{"id":102,"date":"2026-09-16T11:27:22","date_gmt":"2026-09-16T03:27:22","guid":{"rendered":"https:\/\/www.oldhamburger.cn\/?p=102"},"modified":"2026-09-16T11:27:22","modified_gmt":"2026-09-16T03:27:22","slug":"tvs-esd-selection-guide","status":"publish","type":"post","link":"https:\/\/www.oldhamburger.cn\/index.php\/2026\/09\/16\/tvs-esd-selection-guide\/","title":{"rendered":"TVS\u4e0eESD\u4fdd\u62a4\u5668\u4ef6\u9009\u578b\u8be6\u89e3\uff1a\u4ece\u96f6\u7406\u89e3\u9759\u7535\u3001\u6d6a\u6d8c\u3001\u53c2\u6570\u8ba1\u7b97\u4e0e\u63a5\u53e3\u4fdd\u62a4"},"content":{"rendered":"<blockquote>\n<p>\u9762\u5411\u521a\u5165\u95e8\u7684\u7535\u5b50\u7231\u597d\u8005\u4e0e\u786c\u4ef6\u5de5\u7a0b\u5e08\u3002\u672c\u6587\u4ece\u7535\u538b\u3001\u7535\u6d41\u548c\u56de\u6d41\u8def\u5f84\u8bb2\u8d77\uff0c\u9010\u6b65\u89e3\u91ca TVS\/ESD \u7684\u53c2\u6570\u3001\u63a5\u7ebf\u3001\u8ba1\u7b97\u3001\u63a5\u53e3\u5b9e\u4f8b\u548c\u91c7\u8d2d\u7b5b\u9009\u3002\u56fe\u793a\u5747\u4e3a\u539f\u521b\u6559\u5b66\u56fe\uff1b\u6807\u6ce8\u201c\u5047\u8bbe\u201d\u7684\u53c2\u6570\u7528\u4e8e\u6f14\u7b97\uff0c\u4e0d\u4ee3\u8868\u67d0\u4e2a\u771f\u5b9e\u5668\u4ef6\u7684\u4fdd\u8bc1\u503c\u3002<\/p>\n<\/blockquote>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/01-cover.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"max-width:100%;height:auto\" loading=\"lazy\" alt=\"TVS\u4e0eESD\u4fdd\u62a4\uff1a\u6b63\u5e38\u5de5\u4f5c\u3001\u77ac\u6001\u5206\u6d41\u4e0e\u6b8b\u4f59\u94b3\u4f4d\u7535\u538b\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/01-cover.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<p>\u5f88\u591a\u7535\u8def\u5728\u684c\u9762\u4e0a\u80fd\u6b63\u5e38\u5de5\u4f5c\uff0c\u63d2\u62d4\u4e00\u6b21\u7ebf\u7f06\u5374\u7a81\u7136\u91cd\u542f\uff1b\u6709\u4e9b\u8bbe\u5907\u51ac\u5929\u4e00\u6478\u5916\u58f3\u5c31\u5931\u7075\uff1b\u8fd8\u6709\u4e00\u4e9b\u677f\u5b50\u5df2\u7ecf\u52a0\u4e86 TVS\uff0c\u505a\u6d6a\u6d8c\u6d4b\u8bd5\u65f6\uff0cTVS \u6ca1\u574f\uff0c\u540e\u9762\u7684\u7535\u6e90\u82af\u7247\u5374\u574f\u4e86\u3002\u8fd9\u4e9b\u73b0\u8c61\u7684\u5171\u540c\u70b9\u662f\uff1a\u7535\u8def\u4e0d\u4ec5\u8981\u5904\u7406\u6b63\u5e38\u4fe1\u53f7\uff0c\u8fd8\u8981\u627f\u53d7\u4ece\u5916\u90e8\u8fdb\u5165\u7684\u77ac\u6001\u7535\u538b\u548c\u7535\u6d41\u3002<\/p>\n<p>TVS\/ESD \u9009\u578b\u8981\u540c\u65f6\u56de\u7b54\u4e09\u4e2a\u95ee\u9898\uff1a<strong>\u6b63\u5e38\u5de5\u4f5c\u65f6\uff0c\u5b83\u4f1a\u4e0d\u4f1a\u5e72\u6270\u7535\u8def\uff1b\u51b2\u51fb\u53d1\u751f\u65f6\uff0c\u5b83\u80fd\u4e0d\u80fd\u4fdd\u62a4\u540e\u7ea7\uff1b\u5206\u6d41\u8fc7\u7a0b\u4e2d\uff0c\u5b83\u81ea\u5df1\u80fd\u4e0d\u80fd\u627f\u53d7\u3002<\/strong> \u53ea\u770b\u201c\u591a\u5c11\u4f0f\u201d\u201c\u591a\u5c11\u74e6\u201d\u6216\u201c\u591a\u5c11\u5343\u4f0f\u9632\u9759\u7535\u201d\uff0c\u90fd\u4e0d\u8db3\u4ee5\u56de\u7b54\u8fd9\u4e09\u4e2a\u95ee\u9898\u3002<\/p>\n<h2 id=\"_1\">\u9605\u8bfb\u8def\u7ebf<\/h2>\n<ul>\n<li>\u7b2c 1\uff5e4 \u8282\uff1a\u5efa\u7acb\u9759\u7535\u3001\u6d6a\u6d8c\u3001\u94b3\u4f4d\u4e0e\u56de\u6d41\u8def\u5f84\u7684\u76f4\u89c9\u3002<\/li>\n<li>\u7b2c 5\uff5e8 \u8282\uff1a\u8bfb\u61c2\u53c2\u6570\uff0c\u638c\u63e1\u7535\u538b\u3001\u7535\u6d41\u3001\u529f\u7387\u3001\u80fd\u91cf\u548c\u6e29\u5ea6\u7684\u8ba1\u7b97\u3002<\/li>\n<li>\u7b2c 9\uff5e13 \u8282\uff1a\u7528\u7535\u6e90\u3001I\u00b2C\u3001USB\u3001\u5de5\u4e1a\u603b\u7ebf\u548c\u6a21\u62df\u8f93\u5165\u7ec3\u4e60\u9009\u578b\u3002<\/li>\n<li>\u7b2c 14\uff5e18 \u8282\uff1a\u5b8c\u6210\u591a\u7ea7\u4fdd\u62a4\u3001PCB \u5e03\u5c40\u3001\u76ee\u5f55\u7b5b\u9009\u3001\u9a8c\u8bc1\u548c\u6545\u969c\u6392\u67e5\u3002<\/li>\n<li>\u6700\u540e\u9644\u672f\u8bed\u8868\u3001\u5b8c\u6574\u9009\u578b\u8bb0\u5f55\u6a21\u677f\u3001\u7ec3\u4e60\u9898\u548c\u5382\u5bb6\u8d44\u6599\u3002<\/li>\n<\/ul>\n<h2 id=\"1\">1. \u9759\u7535\u4e3a\u4ec0\u4e48\u80fd\u635f\u574f\u4e00\u4e2a\u5c0f\u82af\u7247\uff1f<\/h2>\n<h3 id=\"11\">1.1 \u5148\u5206\u6e05\u7535\u538b\u3001\u7535\u6d41\u548c\u80fd\u91cf<\/h3>\n<p>\u7535\u538b\u53ef\u4ee5\u7406\u89e3\u4e3a\u63a8\u52a8\u7535\u8377\u79fb\u52a8\u7684\u201c\u52bf\u5dee\u201d\uff0c\u5355\u4f4d\u662f\u4f0f\u7279 V\uff1b\u7535\u6d41\u8868\u793a\u6bcf\u79d2\u6d41\u8fc7\u591a\u5c11\u7535\u8377\uff0c\u5355\u4f4d\u662f\u5b89\u57f9 A\uff1b\u80fd\u91cf\u63cf\u8ff0\u4e00\u6b21\u4e8b\u4ef6\u603b\u5171\u4f20\u9012\u4e86\u591a\u5c11\u505a\u529f\u80fd\u529b\uff0c\u5355\u4f4d\u662f\u7126\u8033 J\u3002\u7535\u538b\u9ad8\uff0c\u5e76\u4e0d\u610f\u5473\u7740\u80fd\u957f\u65f6\u95f4\u63d0\u4f9b\u5927\u7535\u6d41\uff1b\u7535\u538b\u4e0d\u7b97\u9ad8\uff0c\u4e5f\u53ef\u80fd\u56e0\u4e3a\u7535\u6e90\u6301\u7eed\u4f9b\u80fd\u800c\u9020\u6210\u4e25\u91cd\u70e7\u6bc1\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4eba\u4f53\u6216\u7269\u4f53\u4e0a\u7684\u9759\u7535\u53ef\u80fd\u5177\u6709\u5f88\u9ad8\u7684\u7535\u4f4d\uff0c\u4f46\u50a8\u5b58\u7684\u7535\u8377\u6709\u9650\u3002\u653e\u7535\u65f6\uff0c\u8fd9\u4e9b\u7535\u8377\u4f1a\u5728\u5f88\u77ed\u65f6\u95f4\u5185\u7ecf\u8fc7\u63a5\u89e6\u70b9\uff0c\u5f62\u6210\u975e\u5e38\u9661\u7684\u7535\u6d41\u8109\u51b2\u3002\u82af\u7247\u5185\u90e8\u7684\u7edd\u7f18\u5c42\u5f88\u8584\uff0c\u5bfc\u7535\u7ed3\u6784\u4e5f\u5f88\u7ec6\uff0c\u5373\u4fbf\u603b\u80fd\u91cf\u4e0d\u5927\uff0c\u5c40\u90e8\u7535\u573a\u548c\u7535\u6d41\u5bc6\u5ea6\u4ecd\u53ef\u80fd\u8d85\u8fc7\u627f\u53d7\u80fd\u529b\u3002<\/p>\n<p>\u82e5\u7528\u4e00\u4e2a\u7535\u5bb9\u6765\u7b80\u5316\u8868\u793a\u5e26\u7535\u7269\u4f53\uff0c\u50a8\u80fd\u5173\u7cfb\u662f\uff1a<\/p>\n<p><strong>E = \u00bd C V\u00b2<\/strong><\/p>\n<p>\u8fd9\u91cc E \u662f\u80fd\u91cf\uff0c\u5355\u4f4d J\uff1bC \u662f\u7b49\u6548\u7535\u5bb9\uff0c\u5355\u4f4d F\uff1bV \u662f\u5145\u7535\u7535\u538b\uff0c\u5355\u4f4d V\u3002\u5e73\u65b9\u7b26\u53f7\u610f\u5473\u7740\uff1a\u5728\u7535\u5bb9\u76f8\u540c\u65f6\uff0c\u7535\u538b\u589e\u5927\u5230\u4e24\u500d\uff0c\u50a8\u80fd\u589e\u52a0\u5230\u56db\u500d\u3002<\/p>\n<p>\u5047\u8bbe\u4e00\u4e2a\u6559\u5b66\u6a21\u578b\u7684\u7b49\u6548\u7535\u5bb9\u4e3a 100 pF\uff0c\u5145\u7535\u5230 5 kV\uff1a<\/p>\n<p><strong>E = \u00bd \u00d7 100 \u00d7 10<sup>\u221212<\/sup> \u00d7 (5000)\u00b2 = 1.25 \u00d7 10<sup>\u22123<\/sup> J = 1.25 mJ<\/strong><\/p>\n<p>\u8fd9\u4e0d\u662f\u4eba\u4f53\u653e\u7535\u7684\u901a\u7528\u53c2\u6570\uff0c\u4e5f\u4e0d\u80fd\u76f4\u63a5\u7528\u6765\u5224\u5b9a\u5668\u4ef6\u662f\u5426\u5408\u683c\u3002\u5b83\u53ea\u662f\u8bf4\u660e\uff1a\u6beb\u7126\u8033\u91cf\u7ea7\u7684\u80fd\u91cf\uff0c\u5982\u679c\u96c6\u4e2d\u5230\u5fae\u5c0f\u7ed3\u6784\u3001\u6781\u77ed\u65f6\u95f4\u5185\u91ca\u653e\uff0c\u4e5f\u503c\u5f97\u8ba4\u771f\u9632\u62a4\u3002\u5b9e\u9645\u653e\u7535\u7535\u6d41\u8fd8\u53d7\u7535\u963b\u3001\u7535\u611f\u3001\u63a5\u89e6\u65b9\u5f0f\u548c\u653e\u7535\u901a\u8def\u5f71\u54cd\u3002<\/p>\n<h3 id=\"12\">1.2 \u635f\u574f\u4e0d\u4e00\u5b9a\u8868\u73b0\u4e3a\u201c\u5192\u70df\u201d<\/h3>\n<p>\u9759\u7535\u51b2\u51fb\u540e\u53ef\u80fd\u51fa\u73b0\u4e09\u79cd\u4e0d\u540c\u7ed3\u679c\u3002\u7b2c\u4e00\u79cd\u662f\u6c38\u4e45\u635f\u574f\uff0c\u4f8b\u5982\u7aef\u53e3\u77ed\u8def\u3001\u6f0f\u7535\u589e\u52a0\u6216\u82af\u7247\u5b8c\u5168\u4e0d\u5de5\u4f5c\u3002\u7b2c\u4e8c\u79cd\u662f\u529f\u80fd\u5f02\u5e38\uff0c\u4f8b\u5982\u5355\u7247\u673a\u590d\u4f4d\u3001\u901a\u4fe1\u4e2d\u65ad\u3001\u663e\u793a\u82b1\u5c4f\uff0c\u65ad\u7535\u91cd\u542f\u540e\u53c8\u6062\u590d\u3002\u7b2c\u4e09\u79cd\u662f\u53c2\u6570\u9000\u5316\uff0c\u4f8b\u5982\u6a21\u62df\u8f93\u5165\u504f\u5dee\u589e\u5927\uff0c\u6682\u65f6\u8fd8\u80fd\u4f7f\u7528\uff0c\u4f46\u5df2\u7ecf\u504f\u79bb\u8bbe\u8ba1\u6307\u6807\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u4fdd\u62a4\u9a8c\u8bc1\u4e0d\u80fd\u53ea\u95ee\u201c\u82af\u7247\u6709\u6ca1\u6709\u70e7\u201d\u3002\u8fd8\u8981\u8bb0\u5f55\u529f\u80fd\u662f\u5426\u4e2d\u65ad\u3001\u662f\u5426\u81ea\u52a8\u6062\u590d\uff0c\u4ee5\u53ca\u51b2\u51fb\u540e\u6f0f\u7535\u3001\u529f\u8017\u548c\u7cbe\u5ea6\u6709\u6ca1\u6709\u53d8\u5316\u3002\u4e00\u4e2a\u4e0d\u4f1a\u70e7\u574f\u3001\u5374\u6bcf\u6b21\u90fd\u9700\u8981\u4eba\u5de5\u65ad\u7535\u6062\u590d\u7684\u63a7\u5236\u5668\uff0c\u672a\u5fc5\u6ee1\u8db3\u4ea7\u54c1\u8981\u6c42\u3002<\/p>\n<h2 id=\"2-esdeft\">2. ESD\u3001\u6d6a\u6d8c\u3001EFT \u548c\u6301\u7eed\u8fc7\u538b\u5206\u522b\u662f\u4ec0\u4e48\uff1f<\/h2>\n<p>\u201c\u8fc7\u538b\u201d\u662f\u4e00\u4e2a\u5f88\u5bbd\u7684\u6982\u5ff5\uff0c\u4e0d\u80fd\u628a\u6240\u6709\u5f02\u5e38\u90fd\u4ea4\u7ed9\u540c\u4e00\u9897\u4e8c\u6781\u7ba1\u5904\u7406\u3002<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th>\u4e8b\u4ef6<\/th>\n<th>\u76f4\u89c2\u6765\u6e90<\/th>\n<th>\u4e3b\u8981\u7279\u70b9<\/th>\n<th>\u8bbe\u8ba1\u65f6\u9996\u5148\u5173\u6ce8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>ESD\uff0c\u9759\u7535\u653e\u7535<\/td>\n<td>\u4eba\u4f53\u63a5\u89e6\u3001\u5e26\u7535\u7ebf\u7f06\u6216\u7269\u4f53\u63a5\u8fd1<\/td>\n<td>\u524d\u6cbf\u6781\u5feb\uff0c\u5b58\u5728\u5f88\u5927\u7684\u7535\u6d41\u53d8\u5316\u7387<\/td>\n<td>\u521d\u59cb\u8fc7\u51b2\u3001\u94b3\u4f4d\u8868\u73b0\u3001\u5bc4\u751f\u7535\u611f\u3001\u7cfb\u7edf\u529f\u80fd<\/td>\n<\/tr>\n<tr>\n<td>Surge\uff0c\u6d6a\u6d8c<\/td>\n<td>\u5916\u90e8\u7ebf\u8def\u8026\u5408\u3001\u5f00\u5173\u52a8\u4f5c\u3001\u96f7\u7535\u95f4\u63a5\u5f71\u54cd<\/td>\n<td>\u6301\u7eed\u65f6\u95f4\u901a\u5e38\u6bd4 ESD \u957f\uff0c\u70ed\u5e94\u529b\u53ef\u80fd\u66f4\u5927<\/td>\n<td>\u6ce2\u5f62\u3001\u6e90\u963b\u6297\u3001\u5206\u6d41\u7535\u6d41\u3001\u6e29\u5ea6\u4e0e\u80fd\u91cf<\/td>\n<\/tr>\n<tr>\n<td>EFT\uff0c\u7535\u5feb\u901f\u77ac\u53d8\u8109\u51b2\u7fa4<\/td>\n<td>\u7ee7\u7535\u5668\u3001\u63a5\u89e6\u5668\u7b49\u5f00\u5173\u5e72\u6270<\/td>\n<td>\u591a\u4e2a\u5feb\u901f\u8109\u51b2\u6210\u7fa4\u51fa\u73b0<\/td>\n<td>\u8026\u5408\u8def\u5f84\u3001\u6ee4\u6ce2\u3001\u91cd\u590d\u8109\u51b2\u4e0e\u6297\u6270\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>\u6301\u7eed\u8fc7\u538b<\/td>\n<td>\u63a5\u9519\u9002\u914d\u5668\u3001\u7a33\u538b\u5668\u5931\u63a7\u3001\u63a5\u7ebf\u9519\u8bef<\/td>\n<td>\u4f9b\u80fd\u53ef\u80fd\u6301\u7eed\u5f88\u591a\u6beb\u79d2\u4e43\u81f3\u957f\u671f\u5b58\u5728<\/td>\n<td>\u65ad\u5f00\u3001\u9650\u6d41\u3001\u8010\u538b\u548c\u6545\u969c\u9694\u79bb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>ESD\u3001EFT\u3001\u6d6a\u6d8c\u7684\u5e38\u89c1\u7cfb\u7edf\u6d4b\u8bd5\u5206\u522b\u6d89\u53ca IEC 61000-4-2\u3001IEC 61000-4-4 \u548c IEC 61000-4-5\u3002\u5177\u4f53\u6d4b\u8bd5\u7ea7\u522b\u3001\u8026\u5408\u65b9\u5f0f\u548c\u6027\u80fd\u5224\u636e\u8981\u6839\u636e\u4ea7\u54c1\u9002\u7528\u8981\u6c42\u786e\u5b9a\uff0c\u4e0d\u80fd\u4ec5\u51ed\u4ea7\u54c1\u540d\u79f0\u731c\u6d4b\u3002\u82af\u7247\u624b\u518c\u91cc\u7684 HBM\u3001CDM \u5219\u5c5e\u4e8e\u53e6\u5916\u7684\u5668\u4ef6\u7ea7\u9759\u7535\u6a21\u578b\uff0c\u4e0d\u80fd\u4e0e\u7cfb\u7edf\u7ea7 IEC \u6d4b\u8bd5\u6309\u201c\u540c\u6837\u591a\u5c11 kV\u201d\u76f4\u63a5\u4e92\u6362\u3002<a href=\"https:\/\/www.ti.com\/lit\/slla305\">TI\uff1aESD \u6570\u636e\u624b\u518c\u9605\u8bfb\u6307\u5357<\/a><\/p>\n<p>\u4e00\u4e2a\u5f88\u6709\u7528\u7684\u5224\u65ad\u987a\u5e8f\u662f\uff1a<strong>\u5e72\u6270\u4ece\u54ea\u91cc\u6765\u3001\u6301\u7eed\u591a\u4e45\u3001\u6e90\u80fd\u63d0\u4f9b\u591a\u5927\u7535\u6d41\u3001\u7535\u6d41\u6700\u7ec8\u56de\u5230\u54ea\u91cc\u3002<\/strong> \u5148\u56de\u7b54\u8fd9\u4e9b\u95ee\u9898\uff0c\u518d\u6311\u5668\u4ef6\uff0c\u6bd4\u5148\u641c\u7d22\u201c24V TVS \u63a8\u8350\u578b\u53f7\u201d\u66f4\u5bb9\u6613\u5f97\u5230\u6b63\u786e\u7ed3\u679c\u3002<\/p>\n<h2 id=\"3-tvs\">3. TVS \u662f\u600e\u6837\u5de5\u4f5c\u7684\uff1f<\/h2>\n<h3 id=\"31\">3.1 \u628a\u5b83\u770b\u6210\u4e00\u6761\u53d7\u7535\u538b\u63a7\u5236\u7684\u5206\u6d41\u901a\u8def<\/h3>\n<p>TVS \u662f Transient Voltage Suppressor \u7684\u7f29\u5199\uff0c\u4e2d\u6587\u901a\u5e38\u53eb\u77ac\u6001\u7535\u538b\u6291\u5236\u5668\u3002\u5e38\u89c1\u4e8c\u7aef\u96ea\u5d29\u578b TVS\uff0c\u5728\u6b63\u5e38\u7535\u538b\u4e0b\u53ea\u6709\u5f88\u5c0f\u7684\u6f0f\u7535\u6d41\uff1b\u5f53\u4e24\u7aef\u7535\u538b\u5347\u9ad8\u5230\u76f8\u5e94\u533a\u57df\u65f6\uff0c\u7535\u6d41\u8fc5\u901f\u589e\u52a0\uff0c\u8ba9\u5916\u6765\u77ac\u6001\u7684\u4e00\u90e8\u5206\u7535\u6d41\u7ecf\u8fc7\u5b83\u6d41\u5411\u8fd4\u56de\u7aef\uff0c\u4ece\u800c\u9650\u5236\u88ab\u4fdd\u62a4\u8282\u70b9\u7684\u7535\u538b\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/02-shunt-circuit.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"max-width:100%;height:auto\" loading=\"lazy\" alt=\"\u5355\u5411TVS\u7684\u5e76\u8054\u63a5\u7ebf\u53ca\u6b63\u5e38\u548c\u77ac\u6001\u7535\u6d41\u8def\u5f84\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/02-shunt-circuit.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<p>\u56fe 1\uff1a\u6b63\u7535\u6e90\u4e0a\u7684\u57fa\u672c\u5e76\u8054\u4fdd\u62a4\u3002\u9634\u6781 K \u63a5\u6b63\u7ebf\u8def\uff0c\u9633\u6781 A \u63a5\u8fd4\u56de\u7aef\u3002\u7ea2\u8272\u7bad\u5934\u8868\u793a\u6b63\u5411\u8fc7\u538b\u4e8b\u4ef6\u7684\u4e3b\u8981\u5206\u6d41\u8def\u5f84\uff1b\u5b83\u4e0d\u662f\u6240\u6709\u5e94\u7528\u7684\u5b8c\u6574\u539f\u7406\u56fe\u3002<\/p>\n<p>\u5982\u679c\u628a\u63a5\u53e3\u6bd4\u4f5c\u9053\u8def\uff0c\u6b63\u5e38\u4fe1\u53f7\u8d70\u5411\u82af\u7247\uff0c\u800c TVS \u662f\u65c1\u8fb9\u7684\u4e00\u6761\u6cc4\u6d41\u652f\u8def\u3002\u5b83\u901a\u5e38\u4e0d\u4e32\u5728\u4e3b\u4fe1\u53f7\u7ebf\u4e0a\u3002\u91c7\u8d2d\u9875\u5199\u201c\u5cf0\u503c\u7535\u6d41 20A\u201d\uff0c\u5e38\u6307\u77ed\u65f6\u51b2\u51fb\u6d41\u8fc7\u4fdd\u62a4\u652f\u8def\u7684\u80fd\u529b\uff0c\u5e76\u4e0d\u8868\u793a\u65e5\u5e38\u8d1f\u8f7d\u7535\u6d41\u4e00\u5b9a\u7ecf\u8fc7 TVS\u3002<\/p>\n<h3 id=\"32\">3.2 \u201c\u94b3\u4f4d\u201d\u4e0d\u7b49\u4e8e\u628a\u7535\u538b\u56fa\u5b9a\u5f97\u4e00\u52a8\u4e0d\u52a8<\/h3>\n<p>\u771f\u5b9e TVS \u7684\u7535\u538b\u4f1a\u968f\u7740\u5206\u6d41\u7535\u6d41\u3001\u6e29\u5ea6\u548c\u65f6\u95f4\u53d8\u5316\u3002\u5b83\u5f00\u59cb\u5bfc\u901a\u540e\uff0c\u7535\u538b\u4ecd\u53ef\u80fd\u7ee7\u7eed\u5347\u9ad8\uff0c\u53ea\u662f\u5347\u9ad8\u7a0b\u5ea6\u6bd4\u6ca1\u6709\u4fdd\u62a4\u65f6\u5c0f\u3002\u540e\u9762\u7684\u82af\u7247\u770b\u5230\u7684\u7535\u538b\u8fd8\u4f1a\u53e0\u52a0 PCB \u5f15\u7ebf\u548c\u56de\u6d41\u8def\u5f84\u7684\u538b\u964d\u3002<\/p>\n<p>\u6240\u4ee5\uff0c\u201c\u5df2\u7ecf\u5bfc\u901a\u201d\u4e0e\u201c\u540e\u7ea7\u4e00\u5b9a\u5b89\u5168\u201d\u662f\u4e24\u4ef6\u4e0d\u540c\u7684\u4e8b\u3002\u4e00\u4e2a TVS \u53ef\u4ee5\u987a\u5229\u627f\u62c5\u6574\u6b21\u6d6a\u6d8c\uff0c\u540c\u65f6\u628a\u8282\u70b9\u94b3\u5728\u540e\u7ea7\u65e0\u6cd5\u627f\u53d7\u7684\u7535\u538b\u4e0a\u3002\u4fdd\u62a4\u8bbe\u8ba1\u5fc5\u987b\u628a TVS \u548c\u540e\u7ea7\u8010\u53d7\u80fd\u529b\u653e\u5728\u4e00\u8d77\u5224\u65ad\u3002<\/p>\n<h3 id=\"33\">3.3 \u7535\u6d41\u4e0d\u4f1a\u5728\u63a5\u5730\u7b26\u53f7\u91cc\u6d88\u5931<\/h3>\n<p>\u539f\u7406\u56fe\u4e0a\u7684\u5730\u7b26\u53f7\u8868\u793a\u53c2\u8003\u8282\u70b9\u6216\u8fde\u63a5\u5173\u7cfb\u3002\u5206\u6d41\u7535\u6d41\u4ecd\u5fc5\u987b\u6cbf\u67d0\u6761\u5b9e\u9645\u8def\u5f84\u56de\u5230\u5e72\u6270\u6e90\uff0c\u5305\u62ec\u8fd4\u56de\u5bfc\u7ebf\u3001\u53c2\u8003\u5e73\u9762\u3001\u673a\u58f3\u3001\u6d4b\u8bd5\u8026\u5408\u7f51\u7edc\uff0c\u4ee5\u53ca\u53ef\u80fd\u5b58\u5728\u7684\u5206\u5e03\u7535\u5bb9\u3002<\/p>\n<p>\u5f53\u8fd9\u6761\u8def\u5f84\u5f88\u957f\u6216\u4e0e\u654f\u611f\u7535\u8def\u5171\u7528\u7ec6\u957f\u8fde\u63a5\u65f6\uff0c\u77ac\u6001\u7535\u6d41\u4f1a\u62ac\u9ad8\u5c40\u90e8\u53c2\u8003\u7535\u4f4d\u3002\u5373\u4f7f TVS \u4e24\u7aef\u7684\u7535\u538b\u4e0d\u9ad8\uff0c\u82af\u7247\u5f15\u811a\u76f8\u5bf9\u82af\u7247\u81ea\u8eab\u5730\u7684\u7535\u538b\u4ecd\u53ef\u80fd\u5f88\u9ad8\u3002\u7406\u89e3\u8fd9\u4e00\u70b9\uff0c\u624d\u80fd\u7406\u89e3\u540e\u9762\u4e3a\u4ec0\u4e48\u8981\u53cd\u590d\u5f3a\u8c03\u5e03\u5c40\u3002<\/p>\n<h2 id=\"4-tvs-esd\">4. TVS \u4e0e\u201cESD \u4fdd\u62a4\u4e8c\u6781\u7ba1\u201d\u662f\u4ec0\u4e48\u5173\u7cfb\uff1f<\/h2>\n<p>\u5546\u57ce\u91cc\u7684\u201cTVS\u201d\u201cESD \u7ba1\u201d\u201c\u9759\u7535\u4fdd\u62a4\u5668\u4ef6\u201d\u5b58\u5728\u4ea7\u54c1\u5206\u7c7b\u548c\u547d\u540d\u4e0a\u7684\u4ea4\u53c9\u3002\u5b9e\u9645\u9009\u578b\u65f6\uff0c\u53ef\u4ee5\u5148\u7528\u5e94\u7528\u503e\u5411\u6765\u533a\u5206\uff1a\u7535\u6e90\u7ebf\u8def\u5e38\u4f18\u5148\u8003\u8651\u6d6a\u6d8c\u80fd\u529b\u548c\u6b8b\u538b\uff1b\u9ad8\u901f\u4fe1\u53f7\u7ebf\u8def\u5e38\u4f18\u5148\u8003\u8651\u4f4e\u7535\u5bb9\u3001\u4f4e\u5bc4\u751f\u548c\u9759\u7535\u94b3\u4f4d\u8868\u73b0\u3002\u4f46\u8fd9\u4e0d\u662f\u4e92\u65a5\u5206\u7c7b\uff0c\u540c\u4e00\u5668\u4ef6\u4e5f\u53ef\u80fd\u540c\u65f6\u7ed9\u51fa ESD \u4e0e\u6d6a\u6d8c\u89c4\u683c\u3002<\/p>\n<p>\u8fd8\u6709\u4e00\u4e9b\u591a\u5f15\u811a ESD \u5668\u4ef6\uff0c\u5185\u90e8\u5305\u542b\u8f6c\u5411\u4e8c\u6781\u7ba1\u3001\u516c\u5171\u94b3\u4f4d\u7ed3\u6784\u6216\u5176\u4ed6\u89e6\u53d1\u7ed3\u6784\uff0c\u4e0d\u80fd\u5f53\u4f5c\u51e0\u9897\u5b8c\u5168\u72ec\u7acb\u7684\u666e\u901a TVS \u6765\u63a5\u3002\u5fc5\u987b\u67e5\u770b\u5185\u90e8\u7b49\u6548\u7535\u8def\uff0c\u786e\u8ba4\u6bcf\u4e2a\u5f15\u811a\u7684\u529f\u80fd\u3002<\/p>\n<p>\u666e\u901a\u6574\u6d41\u4e8c\u6781\u7ba1\u3001\u7a33\u538b\u4e8c\u6781\u7ba1\u3001\u538b\u654f\u7535\u963b\u3001\u6c14\u4f53\u653e\u7535\u7ba1\u4e5f\u5404\u6709\u7528\u9014\u3002\u4e0d\u80fd\u56e0\u4e3a\u5916\u5f62\u76f8\u4f3c\uff0c\u5c31\u5047\u5b9a\u5b83\u4eec\u5177\u6709\u76f8\u540c\u7684\u8109\u51b2\u80fd\u529b\u3002\u7528\u4e8e\u77ac\u6001\u4fdd\u62a4\u65f6\uff0c\u5e94\u627e\u5230\u5668\u4ef6\u660e\u786e\u7ed9\u51fa\u7684\u77ac\u6001\u89c4\u683c\uff1b\u4ec5\u51ed\u666e\u901a\u7a33\u538b\u7ba1\u7684\u76f4\u6d41\u529f\u8017\u548c\u7a33\u538b\u7535\u538b\uff0c\u4e0d\u8db3\u4ee5\u4fdd\u8bc1\u5b83\u9002\u5408\u67d0\u4e2a ESD \u6216\u6d6a\u6d8c\u4efb\u52a1\u3002<a href=\"https:\/\/www.st.com\/en\/protections-and-emi-filters\/esd-protection.html\">ST\uff1aESD \u4fdd\u62a4\u5668\u4ef6\u8bf4\u660e<\/a><\/p>\n<h2 id=\"5\">5. \u8bfb\u61c2\u6570\u636e\u624b\u518c\uff1a\u5148\u638c\u63e1\u4e09\u4e2a\u7535\u538b<\/h2>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/03-voltage-parameters.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"max-width:100%;height:auto\" loading=\"lazy\" alt=\"TVS\u53cd\u5411\u7279\u6027\u4e2d\u7684\u5de5\u4f5c\u7535\u538b\u3001\u51fb\u7a7f\u7535\u538b\u4e0e\u94b3\u4f4d\u7535\u538b\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/03-voltage-parameters.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<p>\u56fe 2\uff1a\u4f20\u7edf\u96ea\u5d29\u578b TVS \u7684\u53c2\u6570\u5173\u7cfb\u3002\u4e3a\u65b9\u4fbf\u7406\u89e3\uff0c\u56fe\u4e2d\u653e\u5927\u4e86\u5c0f\u7535\u6d41\u533a\u57df\uff0c\u7eb5\u8f74\u4e0d\u662f\u7ebf\u6027\u5b9e\u6d4b\u6bd4\u4f8b\u3002\u5177\u4f53\u6570\u503c\u548c\u66f2\u7ebf\u5f62\u72b6\u5fc5\u987b\u67e5\u5bf9\u5e94\u5668\u4ef6\u3002<\/p>\n<h3 id=\"51-vrwm\">5.1 V<sub>RWM<\/sub>\uff1a\u6b63\u5e38\u5de5\u4f5c\u65f6\u5141\u8bb8\u65bd\u52a0\u591a\u5927\u7535\u538b<\/h3>\n<p>V<sub>RWM<\/sub> \u5e38\u79f0\u53cd\u5411\u5de5\u4f5c\u7535\u538b\u3001\u53cd\u5411\u622a\u6b62\u7535\u538b\u6216\u53cd\u5411\u5de5\u4f5c\u5cf0\u503c\u7535\u538b\u3002\u6570\u636e\u8868\u8fd8\u53ef\u80fd\u4f7f\u7528 V<sub>R<\/sub>\u3001V<sub>WM<\/sub> \u7b49\u8bb0\u53f7\uff0c\u5e94\u5148\u770b\u5b9a\u4e49\u3002<\/p>\n<p>\u521d\u6b65\u7b5b\u9009\u5173\u7cfb\u662f\uff1a<\/p>\n<p><strong>V<sub>normal,max<\/sub> \u2264 V<sub>RWM<\/sub><\/strong><\/p>\n<p>V<sub>normal,max<\/sub> \u662f TVS \u4e24\u7aef\u5728\u6240\u6709\u6b63\u5e38\u5de5\u51b5\u4e2d\u7684\u6700\u9ad8\u7535\u538b\u3002\u5b9e\u9645\u8bbe\u8ba1\u901a\u5e38\u8fd8\u7559\u6709\u88d5\u91cf\uff0c\u4f46\u4e0d\u5e94\u8131\u79bb\u7cfb\u7edf\u8010\u538b\u7a97\u53e3\u4e00\u5473\u9009\u9ad8\u3002\u8fd9\u91cc\u7684\u201c\u6b63\u5e38\u5de5\u51b5\u201d\u4e0d\u53ea\u5305\u62ec\u7535\u6e90\u94ed\u724c\u6570\u503c\uff0c\u8fd8\u5305\u62ec\u4f9b\u7535\u5bb9\u5dee\u3001\u5145\u7535\u4e0a\u9650\u3001\u5141\u8bb8\u7eb9\u6ce2\u3001\u5730\u7535\u4f4d\u5dee\u3001\u5408\u6cd5\u4fe1\u53f7\u6446\u5e45\uff0c\u4ee5\u53ca\u4ea7\u54c1\u786e\u5b9e\u5141\u8bb8\u957f\u671f\u5b58\u5728\u7684\u5176\u4ed6\u72b6\u6001\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u67d0 24V \u7535\u6e90\u7cfb\u7edf\u5141\u8bb8\u6b63\u5e38\u8f93\u5165\u5230 28.8V\uff0c\u5982\u679c\u9009\u62e9 V<sub>RWM<\/sub> \u4e3a 24V \u7684 TVS\uff0c\u5c31\u53ef\u80fd\u5728\u6b63\u5e38\u4e0a\u9650\u9644\u8fd1\u51fa\u73b0\u65e0\u6cd5\u63a5\u53d7\u7684\u6f0f\u7535\u548c\u53d1\u70ed\u3002\u7528\u6807\u79f0 24V \u76f4\u63a5\u5339\u914d\u201c24V TVS\u201d\u662f\u4e0d\u5145\u5206\u7684\u3002<\/p>\n<p>\u4e5f\u4e0d\u8981\u4e3a\u4e86\u201c\u7edd\u5bf9\u4e0d\u8bef\u52a8\u4f5c\u201d\u5c31\u9009 58V TVS\u3002\u5de5\u4f5c\u7535\u538b\u53d8\u9ad8\uff0c\u51fb\u7a7f\u4e0e\u94b3\u4f4d\u7535\u538b\u5f80\u5f80\u4e5f\u4f1a\u63d0\u9ad8\uff0c\u540e\u7ea7\u53ef\u80fd\u5148\u627f\u53d7\u4e0d\u4f4f\u3002\u6b63\u786e\u76ee\u6807\u662f\u627e\u5230\u53ef\u7528\u7a97\u53e3\uff0c\u800c\u4e0d\u662f\u5355\u72ec\u628a\u67d0\u4e00\u4e2a\u53c2\u6570\u505a\u5f97\u8d8a\u5927\u8d8a\u597d\u3002<\/p>\n<h3 id=\"52-vbr\">5.2 V<sub>BR<\/sub>\uff1a\u5728\u89c4\u5b9a\u6d4b\u8bd5\u7535\u6d41\u4e0b\u7684\u51fb\u7a7f\u7535\u538b<\/h3>\n<p>V<sub>BR<\/sub> \u662f\u5728\u6570\u636e\u624b\u518c\u6307\u5b9a\u7535\u6d41 I<sub>T<\/sub> \u4e0b\u6d4b\u5f97\u7684\u51fb\u7a7f\u7535\u538b\uff0c\u901a\u5e38\u7ed9\u51fa\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u3002I<sub>T<\/sub> \u53ef\u80fd\u662f\u6beb\u5b89\u7ea7\uff0c\u5177\u4f53\u4ee5\u624b\u518c\u4e3a\u51c6\u3002<\/p>\n<p>\u8bbe\u67d0\u6559\u5b66\u5668\u4ef6\u89c4\u5b9a\uff1a\u5728 I<sub>T<\/sub> = 1mA \u65f6\uff0cV<sub>BR<\/sub> \u4e3a 33\uff5e37V\u3002\u5b83\u8868\u793a\u5c0f\u7535\u6d41\u6d4b\u8bd5\u6761\u4ef6\u4e0b\uff0c\u5668\u4ef6\u6837\u54c1\u7684\u76f8\u5e94\u7535\u538b\u53ef\u80fd\u843d\u5728\u8fd9\u4e2a\u8303\u56f4\u5185\u3002\u5b83\u4e0d\u8868\u793a\u6d41\u8fc7 10A \u6216 20A \u6d6a\u6d8c\u65f6\uff0c\u7535\u538b\u4ecd\u9650\u5236\u5728 37V \u4ee5\u4e0b\u3002<\/p>\n<p>\u628a V<sub>BR,max<\/sub> \u62ff\u6765\u76f4\u63a5\u4e0e\u540e\u7ea7\u7edd\u5bf9\u6700\u5927\u989d\u5b9a\u503c\u6bd4\u8f83\uff0c\u662f\u521d\u5b66\u8005\u6700\u5e38\u89c1\u7684\u9519\u8bef\u4e4b\u4e00\u3002\u5b9e\u9645\u5927\u7535\u6d41\u4fdd\u62a4\u4e3b\u8981\u8981\u770b\u4e0b\u4e00\u9879 V<sub>C<\/sub>\u3002<\/p>\n<h3 id=\"53-vc\">5.3 V<sub>C<\/sub>\uff1a\u6307\u5b9a\u8109\u51b2\u7535\u6d41\u4e0b\u7684\u94b3\u4f4d\u7535\u538b<\/h3>\n<p>V<sub>C<\/sub> \u6216 V<sub>CLAMP<\/sub> \u662f\u89c4\u5b9a\u51b2\u51fb\u6761\u4ef6\u4e0b\u7684\u94b3\u4f4d\u7535\u538b\u3002\u6bcf\u6b21\u6284\u8fd9\u4e2a\u6570\u5b57\uff0c\u90fd\u5e94\u8fde\u540c\u4e09\u4e2a\u6761\u4ef6\u4e00\u8d77\u6284\uff1a<strong>\u7535\u6d41\u591a\u5927\u3001\u6ce2\u5f62\u662f\u4ec0\u4e48\u3001\u6e29\u5ea6\u6216\u6d4b\u8bd5\u6761\u4ef6\u662f\u4ec0\u4e48\u3002<\/strong> \u8fd8\u8981\u533a\u5206\u8fd9\u4e2a\u503c\u662f\u5178\u578b\u503c\u8fd8\u662f\u4fdd\u8bc1\u7684\u6700\u5927\u503c\u3002<\/p>\n<p>\u4f8b\u5982\u201cV<sub>C<\/sub> = 48V @ 12A\uff0c10\/1000\u03bcs\u201d\u53ea\u63cf\u8ff0\u8be5\u6761\u6d4b\u8bd5\u6761\u4ef6\u3002\u4e0d\u80fd\u628a\u5b83\u7406\u89e3\u6210\uff1a\u4efb\u610f\u7535\u6d41\u3001\u4efb\u610f\u8109\u51b2\u4e0b\u90fd\u4e0d\u4f1a\u8d85\u8fc7 48V\u3002\u53e6\u4e00\u5668\u4ef6\u82e5\u5199\u201cV<sub>C<\/sub> = 10V @ 1A\uff0cTLP\u201d\uff0c\u4e5f\u4e0d\u80fd\u4ec5\u51ed 10V \u6bd4 48V \u5c0f\uff0c\u5c31\u8ba4\u4e3a\u5b83\u66f4\u9002\u5408\u7535\u6e90\u6d6a\u6d8c\u3002<\/p>\n<h3 id=\"54\">5.4 \u4e3a\u4ec0\u4e48\u4e09\u79cd\u7535\u538b\u4e4b\u95f4\u6709\u5dee\u8ddd\uff1f<\/h3>\n<p>\u5728\u4f20\u7edf\u96ea\u5d29\u578b TVS \u4e2d\uff0c\u5e38\u89c1\u5173\u7cfb\u662f\uff1a<\/p>\n<p><strong>V<sub>RWM<\/sub> &lt; V<sub>BR<\/sub> &lt; V<sub>C<\/sub>\uff08V<sub>C<\/sub> \u5bf9\u5e94\u8f83\u5927\u8109\u51b2\u7535\u6d41\uff09<\/strong><\/p>\n<p>\u6b63\u5e38\u5de5\u4f5c\u533a\u57df\u8981\u8db3\u591f\u5b89\u9759\uff0c\u5c0f\u7535\u6d41\u8fdb\u5165\u51fb\u7a7f\u533a\u57df\u9700\u8981\u66f4\u9ad8\u7535\u538b\uff0c\u800c\u5927\u7535\u6d41\u901a\u8fc7\u5668\u4ef6\u53c8\u4f1a\u4ea7\u751f\u989d\u5916\u538b\u964d\u3002\u56e0\u6b64\u201c5V TVS\u201d\u4e2d\u7684 5V \u5982\u679c\u6307\u5de5\u4f5c\u7535\u538b\uff0c\u5c31\u4e0d\u4ee3\u8868\u5b83\u80fd\u628a\u51b2\u51fb\u94b3\u5728 5V\u3002<\/p>\n<p>\u8fd9\u4e2a\u5927\u5c0f\u5173\u7cfb\u4e0d\u662f\u6240\u6709\u4fdd\u62a4\u7ed3\u6784\u7684\u666e\u9002\u89c4\u5f8b\u3002\u5e26\u56de\u8df3\u7279\u6027\u7684\u5668\u4ef6\u5728\u89e6\u53d1\u540e\uff0c\u5bfc\u901a\u7535\u538b\u53ef\u80fd\u4f4e\u4e8e\u89e6\u53d1\u7535\u538b\uff1b\u9009\u578b\u8fd8\u9700\u68c0\u67e5\u7ef4\u6301\u7535\u538b\u3001\u7ef4\u6301\u7535\u6d41\u548c\u6b63\u5e38\u4f9b\u7535\u4e0b\u662f\u5426\u4f1a\u6301\u7eed\u5bfc\u901a\u3002<a href=\"https:\/\/www.nexperia.com\/products\/esd-protection-tvs-filtering-and-signal-conditioning\">Nexperia\uff1a\u4fdd\u62a4\u5668\u4ef6\u6280\u672f\u95ee\u7b54<\/a><\/p>\n<h3 id=\"55\">5.5 \u5176\u4ed6\u5e38\u89c1\u53c2\u6570\u901f\u67e5<\/h3>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th>\u53c2\u6570<\/th>\n<th>\u542b\u4e49\u4e0e\u5355\u4f4d<\/th>\n<th>\u5165\u95e8\u65f6\u600e\u6837\u4f7f\u7528<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>I<sub>PP<\/sub><\/td>\n<td>\u5cf0\u503c\u8109\u51b2\u7535\u6d41\uff0cA<\/td>\n<td>\u5fc5\u987b\u8fde\u540c\u6ce2\u5f62\u548c\u6e29\u5ea6\u9605\u8bfb<\/td>\n<\/tr>\n<tr>\n<td>P<sub>PP<\/sub><\/td>\n<td>\u5cf0\u503c\u8109\u51b2\u529f\u7387\uff0cW<\/td>\n<td>\u8868\u793a\u7279\u5b9a\u77ed\u65f6\u51b2\u51fb\u80fd\u529b\uff0c\u4e0d\u80fd\u5f53\u6301\u7eed\u529f\u8017<\/td>\n<\/tr>\n<tr>\n<td>I<sub>R<\/sub> \/ I<sub>LEAK<\/sub><\/td>\n<td>\u6f0f\u7535\u6d41\uff0cnA\u3001\u03bcA \u7b49<\/td>\n<td>\u770b\u89c4\u5b9a\u7535\u538b\u548c\u9ad8\u6e29\u6761\u4ef6\uff0c\u7cbe\u5bc6\u8f93\u5165\u5c24\u5176\u654f\u611f<\/td>\n<\/tr>\n<tr>\n<td>C<sub>j<\/sub> \/ C<sub>IO<\/sub><\/td>\n<td>\u7ed3\u7535\u5bb9\u6216\u901a\u9053\u7535\u5bb9\uff0cpF<\/td>\n<td>\u68c0\u67e5\u504f\u7f6e\u3001\u9891\u7387\u3001\u5178\u578b\u503c\/\u6700\u5927\u503c\u3001\u6d4b\u91cf\u7aef\u53e3<\/td>\n<\/tr>\n<tr>\n<td>R<sub>DYN<\/sub><\/td>\n<td>\u52a8\u6001\u7535\u963b\uff0c\u03a9<\/td>\n<td>\u63cf\u8ff0\u5bfc\u901a\u533a\u7535\u538b\u968f\u7535\u6d41\u4e0a\u5347\u7684\u5feb\u6162<\/td>\n<\/tr>\n<tr>\n<td>T<sub>J<\/sub><\/td>\n<td>\u7ed3\u6e29\uff0c\u2103<\/td>\n<td>\u662f\u82af\u7247\u5185\u90e8\u6e29\u5ea6\uff0c\u4e0d\u7b49\u4e8e\u5916\u58f3\u6216\u73af\u5883\u6e29\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>V<sub>F<\/sub><\/td>\n<td>\u6b63\u5411\u538b\u964d\uff0cV<\/td>\n<td>\u5355\u5411 TVS \u5728\u76f8\u53cd\u6781\u6027\u4e0b\u4f1a\u7528\u5230<\/td>\n<\/tr>\n<tr>\n<td>IEC ESD rating<\/td>\n<td>\u5668\u4ef6\u9759\u7535\u8010\u53d7\u80fd\u529b\uff0ckV<\/td>\n<td>\u533a\u5206\u63a5\u89e6\/\u7a7a\u6c14\u653e\u7535\uff0c\u4e0d\u4ee3\u8868\u6574\u673a\u4fdd\u8bc1\u901a\u8fc7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u521d\u6b65\u8bfb\u8868\u65f6\uff0c\u4e5f\u53ef\u5bf9\u7167<a href=\"https:\/\/toshiba.semicon-storage.com\/ap-en\/semiconductor\/knowledge\/e-learning\/basics-of-tvs-diodes\/chap4\/chap4-1.html\">\u4e1c\u829d TVS \u9009\u578b\u8bf4\u660e<\/a>\u3002\u6b63\u5f0f\u5b9a\u6599\u4ecd\u4ee5\u5177\u4f53\u6599\u53f7\u7684\u7535\u6c14\u53c2\u6570\u3001\u6d4b\u8bd5\u6761\u4ef6\u548c\u811a\u6ce8\u4e3a\u51c6\u3002<\/p>\n<h2 id=\"6\">6. \u5355\u5411\u3001\u53cc\u5411\u3001\u591a\u901a\u9053\uff1a\u600e\u6837\u9009\u3001\u600e\u6837\u63a5\uff1f<\/h2>\n<h3 id=\"61-tvs\">6.1 \u5355\u5411 TVS \u80fd\u5904\u7406\u6b63\u3001\u8d1f\u4e24\u79cd\u51b2\u51fb\u5417\uff1f<\/h3>\n<p>\u53ef\u4ee5\uff0c\u4f46\u4e24\u79cd\u65b9\u5411\u7684\u5de5\u4f5c\u673a\u5236\u4e0d\u540c\u3002\u4ee5\u9634\u6781\u63a5\u6b63\u7ebf\u8def\u3001\u9633\u6781\u63a5\u5730\u4e3a\u4f8b\uff1a\u6b63\u5411\u8fc7\u538b\u4f7f\u5668\u4ef6\u8fdb\u5165\u53cd\u5411\u96ea\u5d29\uff1b\u7ebf\u8def\u88ab\u62c9\u5230\u8d1f\u7535\u4f4d\u65f6\uff0c\u5668\u4ef6\u53ef\u80fd\u6b63\u5411\u5bfc\u901a\u3002<\/p>\n<p>\u56e0\u6b64\u201c\u5355\u5411\u201d\u4e0d\u7b49\u4e8e\u201c\u53ea\u80fd\u4fdd\u62a4\u6b63\u9759\u7535\u201d\u3002\u5b83\u63cf\u8ff0\u5668\u4ef6\u7684\u7535\u538b\u2014\u7535\u6d41\u7279\u6027\u4e0d\u5bf9\u79f0\u3002\u8d1f\u5411\u5927\u7535\u6d41\u4e0b\u7684\u538b\u964d\u3001\u521d\u59cb\u8fc7\u51b2\u548c\u8109\u51b2\u627f\u53d7\u80fd\u529b\uff0c\u4ecd\u8981\u67e5\u770b\u624b\u518c\uff0c\u4e0d\u80fd\u628a\u5b83\u6c38\u8fdc\u7b80\u5316\u6210\u7406\u60f3\u7684 \u22120.7V\u3002<\/p>\n<p>\u5bf9\u53ea\u5141\u8bb8\u6b63\u7535\u538b\u7684\u7535\u6e90\u6216\u67d0\u4e9b GPIO\uff0c\u5355\u5411\u5668\u4ef6\u53ef\u80fd\u9002\u7528\u3002\u4f46\u5982\u679c\u7ebf\u8def\u6b63\u5e38\u5c31\u4f1a\u51fa\u73b0\u8d1f\u7535\u538b\uff0c\u5355\u5411\u5668\u4ef6\u53ef\u80fd\u63d0\u524d\u5bfc\u901a\uff0c\u524a\u6389\u5408\u6cd5\u4fe1\u53f7\u3002<\/p>\n<h3 id=\"62-tvs\">6.2 \u53cc\u5411 TVS \u9002\u5408\u4ec0\u4e48\u60c5\u5f62\uff1f<\/h3>\n<p>\u53cc\u5411\u5668\u4ef6\u901a\u5e38\u5728\u6b63\u3001\u8d1f\u4e24\u4e2a\u65b9\u5411\u90fd\u5141\u8bb8\u4e00\u5b9a\u7535\u538b\u6446\u5e45\uff0c\u5e76\u5728\u76f8\u5e94\u533a\u57df\u94b3\u4f4d\uff0c\u9002\u5408\u9700\u8981\u53cc\u6781\u6027\u5de5\u4f5c\u8303\u56f4\u7684\u7ebf\u8def\u3002\u5b83\u5e76\u4e0d\u5929\u7136\u4f18\u4e8e\u5355\u5411\u5668\u4ef6\uff1b\u4ee3\u4ef7\u53ef\u80fd\u662f\u8d1f\u5411\u94b3\u4f4d\u7684\u7edd\u5bf9\u503c\u66f4\u9ad8\u3002<\/p>\n<p>\u9009\u62e9\u4e4b\u524d\uff0c\u5148\u753b\u51fa\u201c\u8fd9\u6839\u7ebf\u76f8\u5bf9 TVS \u8fd4\u56de\u7aef\u201d\u7684\u6b63\u5e38\u7535\u538b\u8303\u56f4\u3002\u6ce8\u610f\u5dee\u5206\u63a5\u53e3\u7684\u4e24\u6839\u7ebf\u867d\u7136\u4e00\u8d77\u4f20\u6570\u636e\uff0c\u4f46\u6bcf\u4e00\u6839\u7ebf\u5bf9\u672c\u5730\u5730\u7684\u7535\u538b\uff0c\u53d7\u5230\u5171\u6a21\u7535\u538b\u5f71\u54cd\uff0c\u4e0d\u80fd\u53ea\u770b\u4e24\u7ebf\u4e4b\u95f4\u7684\u5dee\u5206\u7535\u538b\u3002<\/p>\n<p>\u8fd8\u8981\u6ce8\u610f\uff1a\u53cc\u5411 TVS \u4e0d\u8d1f\u8d23\u963b\u65ad\u63a5\u53cd\u7684\u76f4\u6d41\u7535\u6e90\u3002\u82e5\u63a5\u53cd\u7684\u7535\u538b\u6ca1\u6709\u89e6\u53d1\u5b83\uff0c\u5b83\u53ef\u80fd\u4fdd\u6301\u622a\u6b62\uff0c\u540e\u7ea7\u4ecd\u4f1a\u6536\u5230\u53cd\u5411\u7535\u538b\uff1b\u53cd\u63a5\u4fdd\u62a4\u901a\u5e38\u9700\u8981\u4e32\u8054\u4e8c\u6781\u7ba1\u3001MOSFET \u6216\u4e13\u7528\u63a7\u5236\u5668\u3002<\/p>\n<h3 id=\"63\">6.3 \u591a\u901a\u9053\u9635\u5217\u4e3a\u4ec0\u4e48\u4e00\u5b9a\u8981\u8bfb\u5f15\u811a\u56fe\uff1f<\/h3>\n<p>\u4e00\u4e2a\u516d\u811a\u5c01\u88c5\u53ef\u80fd\u5305\u542b\u4e24\u8def\u4fdd\u62a4\uff0c\u4e5f\u53ef\u80fd\u5305\u542b\u56db\u8def\u4fdd\u62a4\u53ca\u516c\u5171\u7aef\u3002\u770b\u89c1 NC \u4e0d\u80fd\u64c5\u81ea\u8ba4\u4e3a\u5b83\u53ef\u4ee5\u4efb\u610f\u63a5\u5730\uff1b\u770b\u89c1\u4e24\u8fb9\u90fd\u6709 IO \u5f15\u811a\uff0c\u4e5f\u4e0d\u80fd\u672a\u7ecf\u6838\u5b9e\u5c31\u628a\u5b83\u5f53\u4f5c\u5185\u90e8\u76f8\u8fde\u7684\u76f4\u901a\u7aef\u3002\u4e0d\u540c\u5668\u4ef6\u7684 NC\u3001\u516c\u5171\u7aef\u3001\u7535\u6e90\u7aef\u548c\u88f8\u9732\u710a\u76d8\u5b9a\u4e49\u53ef\u80fd\u5b8c\u5168\u4e0d\u540c\u3002<\/p>\n<p>\u5bf9\u4e8e\u5e26\u8f6c\u5411\u4e8c\u6781\u7ba1\u7684\u7535\u6e90\u8f68\u94b3\u4f4d\u9635\u5217\uff0c\u77ac\u6001\u7535\u6d41\u53ef\u80fd\u6ce8\u5165\u67d0\u6761\u4f9b\u7535\u8f68\u3002\u6b64\u65f6\u8981\u68c0\u67e5\u8fd9\u6761\u8f68\u80fd\u5426\u5438\u6536\u6ce8\u5165\u7535\u8377\u3001\u662f\u5426\u4f1a\u88ab\u62ac\u9ad8\u3001\u6389\u7535\u65f6\u662f\u5426\u53cd\u5411\u7ed9\u7cfb\u7edf\u4f9b\u7535\u3002\u7ebf\u4e0a\u7684\u7535\u538b\u964d\u4f4e\u4e86\uff0c\u800c\u7535\u6e90\u8f68\u88ab\u62ac\u9ad8\uff0c\u4ecd\u53ef\u80fd\u9020\u6210\u5176\u4ed6\u7535\u8def\u5f02\u5e38\u3002<\/p>\n<h2 id=\"7\">7. \u8ba1\u7b97\u6d6a\u6d8c\uff1a\u5148\u77e5\u9053\u6e90\u963b\u6297\uff0c\u518d\u7b97\u7535\u6d41<\/h2>\n<h3 id=\"71-1kv\">7.1 \u201c1kV \u6d6a\u6d8c\u201d\u4e3a\u4ec0\u4e48\u8fd8\u4e0d\u591f\uff1f<\/h3>\n<p>\u628a\u540c\u6837\u7684\u7535\u538b\u63a5\u5728\u5f88\u5927\u7535\u963b\u540e\u9762\u548c\u5f88\u5c0f\u7535\u963b\u540e\u9762\uff0c\u80fd\u63d0\u4f9b\u7684\u7535\u6d41\u4e0d\u540c\u3002\u9009\u578b\u9700\u8981\u77e5\u9053\u6d6a\u6d8c\u6e90\u7684\u5f00\u8def\u7535\u538b\u3001\u7b49\u6548\u6e90\u963b\u6297\u3001\u8026\u5408\u7f51\u7edc\u3001\u6ce2\u5f62\u3001\u6781\u6027\u548c\u91cd\u590d\u6761\u4ef6\u3002\u5b9e\u9645\u6807\u51c6\u53d1\u751f\u5668\u7684\u5f00\u8def\u7535\u538b\u4e0e\u77ed\u8def\u7535\u6d41\u6ce2\u5f62\u8fd8\u53ef\u80fd\u4e0d\u540c\u3002<\/p>\n<p>\u5728\u4e00\u4e2a\u7b80\u5316\u7535\u963b\u6e90\u6a21\u578b\u4e2d\uff0c\u5ffd\u7565\u540e\u7ea7\u5206\u6d41\u4e0e\u5bc4\u751f\u6548\u5e94\uff0c\u5cf0\u503c\u9644\u8fd1\u53ef\u7c97\u4f30\uff1a<\/p>\n<p><strong>I<sub>surge<\/sub> \u2248 (V<sub>OC<\/sub> \u2212 V<sub>C<\/sub>) \/ (R<sub>g<\/sub> + R<sub>s<\/sub>)<\/strong><\/p>\n<p>V<sub>OC<\/sub> \u662f\u8be5\u6a21\u578b\u7684\u6e90\u5f00\u8def\u7535\u538b\uff0cV<sub>C<\/sub> \u662f TVS \u94b3\u4f4d\u7535\u538b\uff0cR<sub>g<\/sub> \u662f\u6e90\u7535\u963b\uff0cR<sub>s<\/sub> \u662f\u7535\u8def\u589e\u52a0\u7684\u4e32\u8054\u7535\u963b\u3002\u7535\u538b\u4ee5 V\u3001\u7535\u963b\u4ee5 \u03a9 \u4ee3\u5165\uff0c\u7ed3\u679c\u5c31\u662f A\u3002<\/p>\n<p>\u8fd9\u4e2a\u516c\u5f0f\u4e2d\u7684\u6e90\u7535\u538b\u8981\u6309\u5b9e\u9645\u6d4b\u8bd5\u63a5\u6cd5\u5b9a\u4e49\uff0c\u4e0d\u80fd\u628a\u5e26\u7535\u6d4b\u8bd5\u4e2d\u7684\u7535\u6e90\u504f\u7f6e\u968f\u610f\u6f0f\u6389\u6216\u91cd\u590d\u76f8\u52a0\u3002\u82e5\u8026\u5408\u7f51\u7edc\u663e\u8457\u8868\u73b0\u4e3a\u7535\u5bb9\u3001\u7535\u611f\u6216\u5206\u5e03\u7ebf\u8def\uff0c\u7b80\u5355\u7535\u963b\u6a21\u578b\u53ea\u9002\u5408\u521d\u6b65\u7406\u89e3\uff0c\u9700\u8981\u8fdb\u4e00\u6b65\u4eff\u771f\u6216\u6d4b\u8bd5\u3002<\/p>\n<h3 id=\"72-tvs\">7.2 TVS \u7684\u94b3\u4f4d\u7535\u538b\u968f\u7535\u6d41\u53d8\u5316\uff0c\u600e\u6837\u4e00\u8d77\u6c42\uff1f<\/h3>\n<p>\u5728\u6307\u5b9a\u7535\u6d41\u8303\u56f4\u3001\u6307\u5b9a\u8109\u51b2\u6761\u4ef6\u5185\uff0c\u53ef\u4ee5\u7528\u7ebf\u6027\u8fd1\u4f3c\uff1a<\/p>\n<p><strong>V<sub>C<\/sub> \u2248 V<sub>0<\/sub> + R<sub>D<\/sub> I<sub>surge<\/sub><\/strong><\/p>\n<p>V<sub>0<\/sub> \u662f\u62df\u5408\u5f97\u5230\u7684\u7535\u538b\u622a\u8ddd\uff0cR<sub>D<\/sub> \u662f\u8fd9\u4e00\u6761\u4ef6\u4e0b\u7684\u52a8\u6001\u7535\u963b\u3002V<sub>0<\/sub> \u4e0d\u5e94\u65e0\u6761\u4ef6\u7b49\u540c\u4e8e\u624b\u518c\u7684\u5c0f\u7535\u6d41\u51fb\u7a7f\u7535\u538b\u3002\u628a\u5b83\u4e0e\u524d\u9762\u7684\u6e90\u65b9\u7a0b\u8054\u7acb\uff0c\u53ef\u5f97\uff1a<\/p>\n<p><strong>I<sub>surge<\/sub> \u2248 (V<sub>OC<\/sub> \u2212 V<sub>0<\/sub>) \/ (R<sub>g<\/sub> + R<sub>s<\/sub> + R<sub>D<\/sub>)<\/strong><\/p>\n<p>\u8be5\u6a21\u578b\u5047\u5b9a\u5df2\u8fdb\u5165\u76f8\u5e94\u5bfc\u901a\u533a\uff0c\u4e14\u7535\u6d41\u5904\u4e8e\u62df\u5408\u9002\u7528\u8303\u56f4\u3002\u5b83\u4e0d\u9002\u5408\u63cf\u8ff0\u89e6\u53d1\u77ac\u95f4\u3001\u56de\u8df3\u8f6c\u6298\u533a\u6216\u968f\u610f\u8de8\u6ce2\u5f62\u5916\u63a8\u3002<a href=\"https:\/\/www.ti.com\/lit\/an\/slvae37\/slvae37.pdf\">TI\uff1a\u6d6a\u6d8c\u4e8c\u6781\u7ba1\u9009\u578b\u65b9\u6cd5<\/a><\/p>\n<h3 id=\"73-tvs\">7.3 \u5b8c\u6574\u7b97\u4e00\u6b21\uff1a\u6559\u5b66\u6e90\u4e0e\u6559\u5b66 TVS<\/h3>\n<p>\u5047\u8bbe\u67d0\u77ac\u6001\u6e90\u5cf0\u503c\u9644\u8fd1\u53ef\u7528 V<sub>OC<\/sub> = 100V\u3001R<sub>g<\/sub> = 2\u03a9 \u8868\u793a\u3002\u7535\u8def\u589e\u52a0 R<sub>s<\/sub> = 1\u03a9\uff0c\u5019\u9009 TVS \u5728\u76ee\u6807\u6ce2\u5f62\u4e0b\u7684\u8fd1\u4f3c\u7279\u6027\u662f V<sub>0<\/sub> = 30V\u3001R<sub>D<\/sub> = 0.2\u03a9\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65\uff0c\u8ba1\u7b97\u5cf0\u503c\u9644\u8fd1\u7684\u5206\u6d41\u7535\u6d41\uff1a<\/p>\n<p><strong>I \u2248 (100 \u2212 30) \/ (2 + 1 + 0.2) = 21.875A<\/strong><\/p>\n<p>\u7b2c\u4e8c\u6b65\uff0c\u8ba1\u7b97\u5668\u4ef6\u4e24\u7aef\u7684\u94b3\u4f4d\u7535\u538b\uff1a<\/p>\n<p><strong>V<sub>C<\/sub> \u2248 30 + 0.2 \u00d7 21.875 = 34.375V<\/strong><\/p>\n<p>\u7b2c\u4e09\u6b65\uff0c\u8ba1\u7b97\u8fd9\u4e00\u5de5\u4f5c\u70b9\u7684\u77ac\u65f6\u529f\u7387\uff1a<\/p>\n<p><strong>P \u2248 V<sub>C<\/sub> I = 34.375 \u00d7 21.875 \u2248 752W<\/strong><\/p>\n<p>\u7b2c\u56db\u6b65\uff0c\u68c0\u67e5\u4e32\u8054\u7535\u963b\u7684\u8109\u51b2\u5e94\u529b\uff1a<\/p>\n<p><strong>P<sub>Rs<\/sub> \u2248 I\u00b2R<sub>s<\/sub> = 21.875\u00b2 \u00d7 1 \u2248 479W<\/strong><\/p>\n<p>\u8fd9\u4e2a 479W \u662f\u5cf0\u503c\u9644\u8fd1\u7684\u77ac\u65f6\u529f\u7387\uff0c\u4e0d\u8868\u793a\u5fc5\u987b\u4f7f\u7528\u6301\u7eed\u989d\u5b9a 479W \u7684\u7535\u963b\uff0c\u4e5f\u4e0d\u8868\u793a\u666e\u901a 1\/4W \u7535\u963b\u4e00\u5b9a\u80fd\u627f\u53d7\u3002\u8981\u67e5\u7535\u963b\u81ea\u8eab\u7684\u8109\u51b2\u8fc7\u8f7d\u66f2\u7ebf\u3001\u5cf0\u503c\u7535\u538b\u3001\u80fd\u91cf\u9650\u5236\u548c\u91cd\u590d\u6761\u4ef6\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/04-load-line.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"max-width:100%;height:auto\" loading=\"lazy\" alt=\"TVS\u8fd1\u4f3c\u7279\u6027\u4e0e\u6e90\u8d1f\u8f7d\u7ebf\u7684\u4ea4\u70b9\u8ba1\u7b97\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/04-load-line.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<p>\u56fe 3\uff1a\u8d1f\u8f7d\u7ebf\u4e0e TVS \u7279\u6027\u76f8\u4ea4\u5904\uff0c\u5bf9\u5e94\u6e90\u4e0e\u5668\u4ef6\u5171\u540c\u51b3\u5b9a\u7684\u8fd1\u4f3c\u5de5\u4f5c\u70b9\u3002\u56fe\u4e2d\u7684 752W \u4ecd\u9700\u914d\u5408\u8109\u51b2\u5f62\u72b6\u4e0e\u65f6\u95f4\u5224\u65ad\u3002<\/p>\n<p>\u6700\u540e\uff0c\u8fd8\u8981\u5728\u76f8\u540c\u6ce2\u5f62\u4e0b\u68c0\u67e5 TVS \u7684\u4fdd\u8bc1\u80fd\u529b\uff0c\u5e76\u53e0\u52a0\u6e29\u5ea6\u3001\u5236\u9020\u504f\u5dee\u548c\u5e03\u5c40\u8fc7\u51b2\u3002\u7b97\u51fa 21.9A \u5e76\u4e0d\u80fd\u76f4\u63a5\u5ba3\u5e03\u4e00\u9897\u201c\u6807\u79f0 22A\u201d\u7684\u5668\u4ef6\u8db3\u591f\uff1b\u8fb9\u754c\u5de5\u51b5\u6ca1\u6709\u4f59\u91cf\uff0c\u4e14\u4e0d\u540c\u6761\u4ef6\u4e0b\u7684 22A \u53ef\u80fd\u6839\u672c\u4e0d\u53ef\u6bd4\u3002<\/p>\n<h3 id=\"74\">7.4 \u4e32\u8054\u9650\u6d41\u4e5f\u4f1a\u5f71\u54cd\u6b63\u5e38\u5de5\u4f5c<\/h3>\n<p>\u4e0a\u8ff0 1\u03a9 \u7535\u963b\u5982\u679c\u7528\u4e8e\u6b63\u5e38\u8d1f\u8f7d\u4e3a 0.5A \u7684\u7535\u6e90\uff0c\u5e73\u65f6\u4ea7\u751f\uff1a<\/p>\n<p><strong>\u0394V = IR = 0.5V\uff1bP = I\u00b2R = 0.25W<\/strong><\/p>\n<p>\u5982\u679c\u6b63\u5e38\u8d1f\u8f7d\u662f 3A\uff0c\u540c\u4e00\u4e2a\u7535\u963b\u5c31\u4f1a\u4ea7\u751f 3V \u538b\u964d\u548c 9W \u529f\u8017\u3002\u53ef\u89c1\u201c\u52a0\u5927\u4e32\u8054\u7535\u963b\u964d\u4f4e\u6d6a\u6d8c\u201d\u4e0d\u662f\u65e0\u9650\u5236\u7684\u529e\u6cd5\u3002\u5fc5\u987b\u540c\u65f6\u6ee1\u8db3\u6b63\u5e38\u4f9b\u7535\u3001\u6e29\u5347\u3001\u542f\u52a8\u548c\u8d1f\u8f7d\u77ac\u6001\u8981\u6c42\u3002<\/p>\n<h2 id=\"8\">8. \u529f\u7387\u3001\u80fd\u91cf\u3001\u6ce2\u5f62\u548c\u6e29\u5ea6\uff1a\u56db\u4ef6\u4e8b\u4e00\u8d77\u770b<\/h2>\n<h3 id=\"81\">8.1 \u5cf0\u503c\u529f\u7387\u4e0e\u80fd\u91cf\u4e0d\u662f\u540c\u4e00\u4e2a\u91cf<\/h3>\n<p>\u77ac\u65f6\u529f\u7387\u548c\u5355\u6b21\u5438\u6536\u80fd\u91cf\u5206\u522b\u4e3a\uff1a<\/p>\n<p><strong>p(t) = v(t)i(t)<\/strong><\/p>\n<p><strong>E<sub>TVS<\/sub> = \u222b v(t)i(t) dt<\/strong><\/p>\n<p>\u529f\u7387\u662f\u67d0\u4e00\u65f6\u523b\u201c\u591a\u5feb\u5730\u8017\u80fd\u201d\uff0c\u80fd\u91cf\u662f\u6574\u4e2a\u8109\u51b2\u671f\u95f4\u201c\u603b\u5171\u8017\u4e86\u591a\u5c11\u201d\u3002\u5bf9\u7406\u60f3\u77e9\u5f62\u8109\u51b2\uff0c\u624d\u53ef\u76f4\u63a5\u5199\u6210 E = P \u00d7 t\u3002\u771f\u5b9e\u6d6a\u6d8c\u5b58\u5728\u4e0a\u5347\u6bb5\u3001\u4e0b\u964d\u6bb5\u548c\u968f\u7535\u6d41\u53d8\u5316\u7684\u94b3\u4f4d\u7535\u538b\uff0c\u4e0d\u80fd\u628a\u5cf0\u503c\u529f\u7387\u4e58\u4e0a\u6807\u79f0\u65f6\u95f4\uff0c\u5c31\u5f53\u4f5c\u7cbe\u786e\u80fd\u91cf\u3002<\/p>\n<p>\u4e3a\u4e86\u7ec3\u4e60\u5355\u4f4d\u6362\u7b97\uff1a\u5047\u8bbe\u4e00\u4e2a\u7406\u60f3\u77e9\u5f62\u529f\u7387\u8109\u51b2\u4e3a 500W\uff0c\u6301\u7eed 20\u03bcs\uff0c\u5219\u80fd\u91cf\u662f 0.01J\uff1b\u82e5\u6301\u7eed 1ms\uff0c\u5219\u4e3a 0.5J\u3002\u76f8\u540c\u5cf0\u503c\u529f\u7387\u4e0b\uff0c\u6301\u7eed\u65f6\u95f4\u4e0d\u540c\uff0c\u80fd\u91cf\u53ef\u4ee5\u5dee\u5f88\u591a\u3002\u8fd9\u4e2a\u77e9\u5f62\u6f14\u7b97\u4e0d\u80fd\u62ff\u6765\u6362\u7b97\u4e0d\u540c\u6807\u51c6\u6ce2\u5f62\u7684\u5668\u4ef6\u989d\u5b9a\u503c\u3002<\/p>\n<h3 id=\"82-820s101000s\">8.2 8\/20\u03bcs\u300110\/1000\u03bcs \u600e\u6837\u7406\u89e3\uff1f<\/h3>\n<p>\u8fd9\u4e9b\u8bb0\u53f7\u63cf\u8ff0\u89c4\u5b9a\u7684\u8109\u51b2\u5f62\u72b6\u4e0e\u65f6\u95f4\u53c2\u6570\uff0c\u6d89\u53ca\u524d\u6cbf\u548c\u8870\u51cf\u5230\u534a\u5cf0\u503c\u7684\u65f6\u95f4\u5b9a\u4e49\uff1b\u5177\u4f53\u5b9a\u4e49\u3001\u5bb9\u5dee\u3001\u865a\u62df\u8d77\u70b9\u7b49\u5e94\u4ee5\u5bf9\u5e94\u6807\u51c6\u6216\u6570\u636e\u624b\u518c\u4e3a\u51c6\u3002\u5b83\u4eec\u4e0d\u662f\u201c\u4fdd\u6301\u6ee1\u7535\u6d41 20\u03bcs\u201d\u6216\u201c\u4fdd\u6301\u6ee1\u7535\u6d41 1000\u03bcs\u201d\u7684\u77e9\u5f62\u8109\u51b2\u3002<\/p>\n<p>\u5e38\u89c1\u6d6a\u6d8c\u7ec4\u5408\u6ce2\u53d1\u751f\u5668\u4f1a\u540c\u65f6\u6d89\u53ca\u5f00\u8def\u7535\u538b\u6ce2\u5f62\u548c\u77ed\u8def\u7535\u6d41\u6ce2\u5f62\u3002\u4e0d\u80fd\u628a 1.2\/50\u03bcs \u7684\u5f00\u8def\u7535\u538b\u6ce2\u5f62\u4e0e 8\/20\u03bcs \u7684\u77ed\u8def\u7535\u6d41\u6ce2\u5f62\u5f53\u6210\u540c\u4e00\u6761\u66f2\u7ebf\uff1b\u88ab\u94b3\u4f4d\u540e\u7684\u7535\u6d41\u5f62\u72b6\u8fd8\u53d7\u8fde\u63a5\u7f51\u7edc\u548c\u8d1f\u8f7d\u5f71\u54cd\u3002<\/p>\n<p>\u91c7\u8d2d\u9875\u9762\u4e0a\u4e24\u4e2a\u5668\u4ef6\u90fd\u5199\u201c600W\u201d\uff0c\u4e00\u4e2a\u6309 8\/20\u03bcs \u6d4b\u8bd5\uff0c\u53e6\u4e00\u4e2a\u6309 10\/1000\u03bcs \u6d4b\u8bd5\uff0c\u8fd9\u4e24\u4e2a\u6570\u5b57\u4e0d\u80fd\u76f4\u63a5\u5224\u5b9a\u8c01\u66f4\u5f3a\u3002\u4e0d\u540c\u6ce2\u5f62\u4e4b\u95f4\u4e5f\u4e0d\u80fd\u4ec5\u6309\u65f6\u95f4\u6bd4\u4f8b\uff0c\u4f8b\u5982 1000\/20\uff0c\u8fdb\u884c\u989d\u5b9a\u529f\u7387\u6362\u7b97\u3002<\/p>\n<p>\u4f5c\u4e3a\u8bfb\u624b\u518c\u7684\u771f\u5b9e\u4f8b\u5b50\uff0cLittelfuse SMBJ-E \u7cfb\u5217\u8d44\u6599\u628a 600W \u4e0e 10\/1000\u03bcs\u3001\u521d\u59cb\u6e29\u5ea6\u53ca\u5b89\u88c5\u6761\u4ef6\u8054\u7cfb\u8d77\u6765\uff0c\u5e76\u5355\u72ec\u7ed9\u51fa\u6e29\u5ea6\u964d\u989d\u548c\u8109\u51b2\u66f2\u7ebf\u3002\u8fd9\u6b63\u8bf4\u660e\u529f\u7387\u6570\u5b57\u5fc5\u987b\u8fde\u540c\u6761\u4ef6\u9605\u8bfb\uff0c\u800c\u4e0d\u80fd\u5355\u72ec\u6458\u6284\u3002<a href=\"https:\/\/www.littelfuse.com\/assetdocs\/tvs-diodes-smbj-e-datasheet?assetguid=8505ce32-3e58-4833-a94c-0d8836c637b3\">Littelfuse SMBJ-E \u6570\u636e\u624b\u518c<\/a><\/p>\n<h3 id=\"83\">8.3 \u6e29\u5ea6\u8d8a\u9ad8\uff0c\u4f59\u91cf\u901a\u5e38\u8d8a\u5c11<\/h3>\n<p>TVS \u5728\u73af\u5883\u8f83\u70ed\u3001\u9644\u8fd1\u7535\u6e90\u5668\u4ef6\u53d1\u70ed\u6216\u8fde\u7eed\u53d7\u5230\u51b2\u51fb\u65f6\uff0c\u521d\u59cb\u7ed3\u6e29\u53ef\u80fd\u5df2\u7ecf\u5347\u9ad8\u3002\u5bf9\u4e8e\u8981\u6c42\u964d\u989d\u7684\u5668\u4ef6\uff0c\u9700\u8981\u6309\u624b\u518c\u66f2\u7ebf\u51cf\u5c0f\u5141\u8bb8\u8109\u51b2\u529f\u7387\u6216\u7535\u6d41\uff0c\u800c\u4e0d\u662f\u53ea\u6309 25\u2103 \u53c2\u6570\u8bbe\u8ba1\u3002<\/p>\n<p>\u5047\u8bbe\u67d0\u5019\u9009\u5668\u4ef6\u5728\u76ee\u6807\u6e29\u5ea6\u4e0b\uff0c\u624b\u518c\u5141\u8bb8\u503c\u964d\u4e3a\u5ba4\u6e29\u7684 60%\uff0c\u4e14\u5ba4\u6e29\u4e0b\u5bf9\u5e94\u76ee\u6807\u6ce2\u5f62\u7684\u5141\u8bb8\u5cf0\u503c\u529f\u7387\u4e3a 1000W\uff0c\u90a3\u4e48\u8be5\u6761\u4ef6\u4e0b\u53ea\u80fd\u6309 600W \u8bc4\u4f30\u3002\u8fd9\u91cc\u7684 60% \u662f\u6559\u5b66\u5047\u8bbe\uff0c\u4e0d\u662f\u6240\u6709 TVS \u7684\u901a\u7528\u964d\u989d\u7cfb\u6570\u3002<\/p>\n<p>\u5e38\u89c1\u8fd1\u4f3c\u8868\u8fbe\u662f\uff1a<\/p>\n<p><strong>P<sub>allow<\/sub>(T) = k<sub>T<\/sub> \u00d7 P<sub>rated<\/sub><\/strong><\/p>\n<p>k<sub>T<\/sub> \u5fc5\u987b\u6765\u81ea\u8be5\u5668\u4ef6\u5bf9\u5e94\u7684\u964d\u989d\u89c4\u5b9a\u3002\u8fd8\u8981\u786e\u8ba4\u66f2\u7ebf\u6a2a\u8f74\u662f\u73af\u5883\u6e29\u5ea6\u3001\u5f15\u811a\u6e29\u5ea6\u8fd8\u662f\u521d\u59cb\u7ed3\u6e29\uff0c\u8fd9\u4e9b\u6761\u4ef6\u4e0d\u80fd\u76f4\u63a5\u6df7\u4e3a\u4e00\u8c08\u3002<\/p>\n<h3 id=\"84\">8.4 \u91cd\u590d\u51b2\u51fb\u9700\u8981\u68c0\u67e5\u5e73\u5747\u70ed\u91cf\u548c\u77ac\u6001\u6e29\u5347<\/h3>\n<p>\u82e5\u6bcf\u6b21\u5438\u6536\u80fd\u91cf E\uff0c\u5e73\u5747\u6bcf\u79d2\u53d1\u751f f \u6b21\uff0c\u5e73\u5747\u529f\u8017\u53ef\u5148\u4f30\u7b97\u4e3a\uff1a<\/p>\n<p><strong>P<sub>avg<\/sub> = E \u00d7 f<\/strong><\/p>\n<p>\u4f8b\u5982\u6bcf\u6b21 0.02J\u3001\u6bcf\u79d2 10 \u6b21\uff0c\u5e73\u5747\u4e3a 0.2W\u3002\u4f46\u201c\u5e73\u5747\u53ea\u6709 0.2W\u201d\u4e0d\u7b49\u4e8e\u4e00\u5b9a\u5b89\u5168\uff1a\u5355\u6b21\u51b2\u51fb\u53ef\u80fd\u5148\u8d85\u8fc7\u5cf0\u503c\u9650\u5236\uff0c\u76f8\u90bb\u8109\u51b2\u4e4b\u95f4\u4e5f\u53ef\u80fd\u6765\u4e0d\u53ca\u51b7\u5374\u3002\u5224\u65ad\u7ed3\u6e29\u9700\u8981\u5668\u4ef6\u7684\u77ac\u6001\u70ed\u963b\u3001\u8109\u51b2\u5e8f\u5217\u53ca\u6563\u70ed\u8fb9\u754c\u6761\u4ef6\u3002<\/p>\n<p>ST \u7684\u94b3\u4f4d\u4fdd\u62a4\u5e94\u7528\u7b14\u8bb0\u8ba8\u8bba\u4e86\u8109\u51b2\u3001\u6e29\u5ea6\u4e0e\u94b3\u4f4d\u80fd\u529b\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u53ef\u7528\u4e8e\u6df1\u5165\u7406\u89e3\u8fd9\u4e9b\u7ea6\u675f\u3002<a href=\"https:\/\/www.st.com\/resource\/en\/application_note\/an316-tvs-clamping-protection-mode-stmicroelectronics.pdf\">ST AN316\uff1aTVS \u94b3\u4f4d\u4fdd\u62a4<\/a><\/p>\n<h2 id=\"9-24v-tvs\">9. \u5b9e\u4f8b\u4e00\uff1a\u7ed9 24V \u7535\u6e90\u8f93\u5165\u9009\u62e9 TVS<\/h2>\n<h3 id=\"91\">9.1 \u5148\u5199\u9700\u6c42\uff0c\u6682\u65f6\u4e0d\u8981\u641c\u6599\u53f7<\/h3>\n<p>\u5047\u8bbe\u6211\u4eec\u8bbe\u8ba1\u4e00\u5757\u5c0f\u578b\u5de5\u4e1a\u63a7\u5236\u677f\uff0c\u6761\u4ef6\u5982\u4e0b\u3002\u8fd9\u662f\u4e00\u7ec4\u6559\u5b66\u9700\u6c42\uff0c\u4e0d\u5bf9\u5e94\u67d0\u4e2a\u73b0\u6210\u4ea7\u54c1\u7684\u8ba4\u8bc1\u8981\u6c42\u3002<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th>\u9879\u76ee<\/th>\n<th>\u672c\u4f8b\u5047\u8bbe<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6b63\u5e38\u8f93\u5165<\/td>\n<td>24V \u6807\u79f0\uff0c\u6700\u9ad8 28.8V<\/td>\n<\/tr>\n<tr>\n<td>\u6b63\u5e38\u8d1f\u8f7d<\/td>\n<td>0.5A<\/td>\n<\/tr>\n<tr>\n<td>\u540e\u7ea7\u7535\u6e90\u82af\u7247<\/td>\n<td>\u6b63\u5e38\u5de5\u4f5c\u8f93\u5165\u8303\u56f4\u8986\u76d6\u7cfb\u7edf\u9700\u6c42\uff0c\u7edd\u5bf9\u6700\u5927\u8f93\u5165\u4e3a 60V<\/td>\n<\/tr>\n<tr>\n<td>\u8f93\u5165\u7535\u5bb9\u4e0e\u4e32\u8054\u5668\u4ef6<\/td>\n<td>\u4e5f\u5fc5\u987b\u6838\u5bf9\u5404\u81ea\u5de5\u4f5c\u7535\u538b\u3001\u8109\u51b2\u8010\u53d7\u4e0e\u6e29\u5ea6\u8981\u6c42<\/td>\n<\/tr>\n<tr>\n<td>\u6d6a\u6d8c\u6761\u4ef6<\/td>\n<td>\u7531\u4ea7\u54c1\u9700\u6c42\u5355\u72ec\u7ed9\u5b9a\uff0c\u4e0d\u80fd\u4ec5\u4ee5\u201c\u5de5\u4e1a\u7528\u201d\u4ee3\u66ff<\/td>\n<\/tr>\n<tr>\n<td>\u6700\u9ad8\u4f7f\u7528\u6e29\u5ea6<\/td>\n<td>\u9700\u8981\u7ed3\u5408\u5916\u58f3\u548c\u677f\u4e0a\u53d1\u70ed\u786e\u5b9a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7b2c\u4e00\u6b65\uff0cV<sub>RWM<\/sub> \u5e94\u4e0d\u4f4e\u4e8e 28.8V\u3002\u53ef\u4ee5\u4ece 30V \u6216\u76f8\u90bb\u66f4\u9ad8\u5de5\u4f5c\u7535\u538b\u6863\u4f4d\u5f00\u59cb\u68c0\u67e5\uff0c\u4f46\u8fd9\u53ea\u662f\u8fdb\u5165\u5019\u9009\u540d\u5355\uff0c\u4e0d\u662f\u9009\u578b\u5b8c\u6210\u3002<\/p>\n<p>\u7b2c\u4e8c\u6b65\uff0c\u6838\u67e5\u8be5\u5668\u4ef6\u5728\u76ee\u6807\u7535\u6d41\u3001\u76ee\u6807\u6ce2\u5f62\u548c\u76ee\u6807\u6e29\u5ea6\u4e0b\u7684 V<sub>C,max<\/sub>\u3002\u7b2c\u4e09\u6b65\uff0c\u4f30\u8ba1 PCB \u4e0e\u56de\u6d41\u8def\u5f84\u9020\u6210\u7684\u9644\u52a0\u6b8b\u538b\u3002\u7b2c\u56db\u6b65\uff0c\u628a\u6700\u7ec8\u8282\u70b9\u5e94\u529b\u4e0e\u6240\u6709\u540e\u7ea7\u5668\u4ef6\u5141\u8bb8\u503c\u6bd4\u8f83\uff0c\u800c\u4e0d\u53ea\u770b\u4e3b\u82af\u7247\u3002<\/p>\n<h3 id=\"92\">9.2 \u600e\u6837\u505a\u201c\u7535\u538b\u9884\u7b97\u201d\uff1f<\/h3>\n<p>\u53ef\u628a\u5404\u9879\u6309\u4fdd\u5b88\u540c\u5411\u53e0\u52a0\u505a\u521d\u6b65\u9884\u7b97\uff1a<\/p>\n<p><strong>V<sub>pin,peak<\/sub> \u2272 V<sub>C,worst<\/sub> + |V<sub>parasitic<\/sub>| + V<sub>margin<\/sub><\/strong><\/p>\n<p>\u8fd9\u91cc V<sub>C,worst<\/sub> \u662f\u76ee\u6807\u6761\u4ef6\u4e0b TVS \u7684\u6700\u4e0d\u5229\u94b3\u4f4d\u503c\uff1bV<sub>parasitic<\/sub> \u5305\u542b\u5e03\u5c40\u3001\u8fd4\u56de\u8def\u5f84\u7b49\u4ea7\u751f\u7684\u9644\u52a0\u538b\u5dee\uff1bV<sub>margin<\/sub> \u662f\u8bbe\u8ba1\u4e2d\u4e3a\u672a\u8986\u76d6\u504f\u5dee\u9884\u7559\u7684\u9884\u7b97\u3002\u8be5\u5f0f\u662f\u9884\u7b97\u65b9\u5f0f\uff0c\u4e0d\u662f\u6240\u6709\u7535\u8def\u7684\u7cbe\u786e\u77ac\u6001\u65b9\u7a0b\u3002\u771f\u5b9e\u7535\u538b\u7531\u5177\u4f53\u8282\u70b9\u548c\u53c2\u8003\u5730\u51b3\u5b9a\u3002<\/p>\n<p>\u5047\u8bbe\u67d0\u5019\u9009\u5668\u4ef6\u5728\u76ee\u6807\u6761\u4ef6\u4e0b\u4fdd\u8bc1 V<sub>C,max<\/sub> = 48V\uff0c\u9884\u4f30\u5bc4\u751f\u9644\u52a0\u9879\u4e3a 5V\uff0c\u518d\u7559 3V \u9884\u7b97\uff0c\u5408\u8ba1 56V\u3002\u76f8\u5bf9 60V \u7edd\u5bf9\u6700\u5927\u8f93\u5165\uff0c\u7eb8\u9762\u4e0a\u8fd8\u5269 4V\u3002\u6b64\u65f6\u53ea\u80fd\u8bf4\u5b83\u503c\u5f97\u7ee7\u7eed\u9a8c\u8bc1\uff0c\u4e0d\u80fd\u5ba3\u5e03\u8bbe\u8ba1\u53ef\u9760\uff1a5V \u5bc4\u751f\u9879\u8fd8\u9700\u8981\u4f9d\u636e\u5e03\u5c40\u548c\u5b9e\u6d4b\uff0c56V \u4e5f\u53ef\u80fd\u8d85\u8fc7\u82af\u7247\u6b63\u5e38\u5de5\u4f5c\u8303\u56f4\uff0c\u5bfc\u81f4\u4fdd\u62a4\u3001\u590d\u4f4d\u6216\u529f\u80fd\u4e2d\u65ad\u3002<\/p>\n<p>\u5982\u679c\u540c\u6837\u7535\u8def\u6362\u6210\u7edd\u5bf9\u6700\u5927\u8f93\u5165\u53ea\u6709 36V \u7684\u82af\u7247\uff0c\u5219 48V \u94b3\u4f4d\u5df2\u7ecf\u660e\u663e\u4e0d\u5408\u9002\u3002\u628a TVS \u4ece\u201c600W\u201d\u6362\u6210\u201c1500W\u201d\u4e0d\u4e00\u5b9a\u80fd\u4fee\u6b63\u7535\u538b\u7a97\u53e3\uff1b\u9700\u8981\u5b9e\u9645\u964d\u4f4e\u76ee\u6807\u7535\u6d41\u4e0b\u7684\u6b8b\u538b\u3001\u589e\u52a0\u5408\u9002\u7684\u9650\u6d41\/\u65ad\u5f00\u7ea7\uff0c\u6216\u66f4\u6362\u8010\u538b\u66f4\u9ad8\u7684\u540e\u7ea7\u3002<\/p>\n<h3 id=\"93\">9.3 \u7edd\u5bf9\u6700\u5927\u989d\u5b9a\u503c\u4e0d\u80fd\u5f53\u63a8\u8350\u5de5\u4f5c\u503c<\/h3>\n<p>\u7edd\u5bf9\u6700\u5927\u989d\u5b9a\u503c\u7ed9\u51fa\u5e94\u529b\u8fb9\u754c\uff0c\u4e0d\u627f\u8bfa\u5728\u8fb9\u754c\u9644\u8fd1\u6b63\u5e38\u5de5\u4f5c\u3001\u6027\u80fd\u4e0d\u53d8\u6216\u957f\u671f\u53ef\u9760\u3002\u5bf9\u4e8e\u7535\u6e90\u8f93\u5165\u6d6a\u6d8c\uff0c\u53ef\u4ee5\u5148\u6309\u8f83\u4fdd\u5b88\u7684\u201c\u4e0d\u8d8a\u8fc7\u989d\u5b9a\u8fb9\u754c\u201d\u7b56\u7565\u7b5b\u9009\uff1b\u4f46\u5373\u4fbf\u5982\u6b64\uff0c\u8fd8\u9700\u786e\u8ba4\u529f\u80fd\u8981\u6c42\u4e0e\u6d4b\u91cf\u4f4d\u7f6e\u3002<\/p>\n<p>\u9ad8\u901f ESD \u7684\u65f6\u95f4\u5c3a\u5ea6\u53c8\u6709\u6240\u4e0d\u540c\u3002\u4e0d\u80fd\u81ea\u884c\u5047\u5b9a\u201c\u53ea\u8d85\u9650\u51e0\u7eb3\u79d2\u5c31\u6ca1\u5173\u7cfb\u201d\uff0c\u4e5f\u4e0d\u80fd\u4ec5\u6839\u636e\u4e00\u4e2a\u9759\u6001\u7edd\u5bf9\u6700\u5927\u7535\u538b\uff0c\u5c31\u5ba3\u79f0\u5df2\u7ecf\u51c6\u786e\u9884\u6d4b\u6240\u6709\u7eb3\u79d2\u7ea7\u5931\u6548\u3002\u82e5\u9700\u8981\u5229\u7528\u82af\u7247\u77ed\u65f6\u8010\u53d7\u7279\u6027\uff0c\u5fc5\u987b\u6709\u5382\u5bb6\u652f\u6301\u7684\u77ac\u6001\u6570\u636e\u3001\u53c2\u8003\u65b9\u6848\u6216\u7cfb\u7edf\u9a8c\u8bc1\u4f9d\u636e\u3002<\/p>\n<h3 id=\"94\">9.4 \u4e0d\u8981\u6f0f\u6389\u8f93\u5165\u7535\u5bb9\u548c\u4e32\u8054\u4fdd\u62a4\u5668\u4ef6<\/h3>\n<p>\u4f8b\u5982\u540e\u7ea7\u82af\u7247\u8010\u538b 60V\uff0c\u4f46\u8f93\u5165\u7535\u5bb9\u989d\u5b9a\u53ea\u6709 35V\uff0c\u6574\u4e2a\u8282\u70b9\u4ecd\u4e0d\u80fd\u6309 60V \u770b\u5f85\u3002MOSFET\u3001\u7406\u60f3\u4e8c\u6781\u7ba1\u63a7\u5236\u5668\u3001\u7535\u5b50\u4fdd\u9669\u4e1d\u548c\u91c7\u6837\u7535\u963b\u4e5f\u53ef\u80fd\u5148\u8fbe\u5230\u81ea\u5df1\u7684\u9650\u5236\u3002<\/p>\n<p>\u8bc4\u4f30\u5bf9\u8c61\u5e94\u662f<strong>\u4fdd\u62a4\u8282\u70b9\u4e0a\u6240\u6709\u627f\u53d7\u8be5\u5e94\u529b\u7684\u5143\u4ef6<\/strong>\u3002\u5982\u679c\u65b0\u589e\u4e32\u8054 MOSFET \u7528\u4e8e\u8fc7\u538b\u65ad\u5f00\uff0c\u5b83\u7684\u6f0f\u6e90\u8010\u538b\u3001\u5b89\u5168\u5de5\u4f5c\u533a\u3001\u63a7\u5236\u5668\u54cd\u5e94\u548c\u5173\u65ad\u671f\u95f4\u7684\u7535\u538b\u5206\u914d\u90fd\u8981\u6838\u67e5\u3002\u4ec5\u5728\u539f\u7406\u56fe\u4e0a\u653e\u4e00\u4e2a\u201c\u4fdd\u62a4\u6a21\u5757\u201d\u65b9\u6846\u5e76\u4e0d\u4f1a\u81ea\u52a8\u83b7\u5f97\u989d\u5916\u8010\u538b\u3002<\/p>\n<h2 id=\"10-i2c-esd\">10. \u5b9e\u4f8b\u4e8c\uff1aI\u00b2C \u4e0a\u52a0 ESD\uff0c\u4e3a\u4ec0\u4e48\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5931\u8d25\uff1f<\/h2>\n<h3 id=\"101-i2c\">10.1 \u5148\u590d\u4e60 I\u00b2C \u7684\u4e0a\u62c9\u8fc7\u7a0b<\/h3>\n<p>I\u00b2C \u7684 SDA\u3001SCL \u901a\u5e38\u901a\u8fc7\u4e0a\u62c9\u7535\u963b\u5347\u5230\u9ad8\u7535\u5e73\uff0c\u5668\u4ef6\u901a\u8fc7\u5f00\u6f0f\u8f93\u51fa\u5c06\u7ebf\u8def\u62c9\u4f4e\u3002\u7ebf\u8def\u4ece\u4f4e\u5230\u9ad8\u65f6\uff0c\u4e0a\u62c9\u7535\u963b\u7ed9\u603b\u7ebf\u7535\u5bb9\u5145\u7535\uff0c\u56e0\u6b64\u4e0a\u5347\u6cbf\u53d7\u5230\u7535\u963b\u548c\u603b\u7535\u5bb9\u5f71\u54cd\u3002<\/p>\n<p>\u8fd9\u91cc\u7684\u603b\u7535\u5bb9 C<sub>b<\/sub> \u5305\u62ec\u82af\u7247\u5f15\u811a\u3001PCB \u8d70\u7ebf\u3001\u8fde\u63a5\u5668\u3001\u7ebf\u7f06\u3001\u4fdd\u62a4\u5668\u4ef6\uff0c\u4ee5\u53ca\u6d4b\u91cf\u63a2\u5934\u5f15\u5165\u7684\u7535\u5bb9\u3002\u9009\u62e9 ESD \u5668\u4ef6\u65f6\uff0c\u53ea\u770b\u201c3.3V \u53ef\u7528\u201d\u800c\u4e0d\u770b\u7535\u5bb9\uff0c\u53ef\u80fd\u8ba9\u539f\u672c\u80fd\u901a\u4fe1\u7684\u603b\u7ebf\u53d8\u6162\u3002<\/p>\n<h3 id=\"102-08473\">10.2 0.8473 \u662f\u600e\u6837\u6765\u7684\uff1f<\/h3>\n<p>\u7b80\u5355 RC \u5145\u7535\u6a21\u578b\u4e3a\uff1a<\/p>\n<p><strong>V(t) = V<sub>DD<\/sub>[1 \u2212 e<sup>\u2212t\/(R<sub>P<\/sub>C<sub>b<\/sub>)<\/sup>]<\/strong><\/p>\n<p>\u8ba1\u7b97\u4ece 30% \u7535\u6e90\u7535\u538b\u4e0a\u5347\u5230 70% \u7684\u65f6\u95f4\u5dee\uff0c\u53ef\u4ee5\u5f97\u5230\uff1a<\/p>\n<p><strong>t<sub>r<\/sub> = ln(0.7\/0.3) \u00d7 R<sub>P<\/sub>C<sub>b<\/sub> \u2248 0.8473R<sub>P<\/sub>C<sub>b<\/sub><\/strong><\/p>\n<p>R<sub>P<\/sub> \u662f\u7b49\u6548\u4e0a\u62c9\u7535\u963b\uff0c\u5355\u4f4d \u03a9\uff1bC<sub>b<\/sub> \u662f\u603b\u7535\u5bb9\uff0c\u5355\u4f4d F\uff1b\u7ed3\u679c t<sub>r<\/sub> \u7684\u5355\u4f4d\u4e3a\u79d2\u3002\u8fd9\u4e2a\u7cfb\u6570\u6765\u81ea\u89c4\u5b9a\u7684\u7535\u538b\u6d4b\u91cf\u533a\u95f4\uff0c\u5e76\u4e0d\u662f\u6240\u6709\u6570\u5b57\u63a5\u53e3\u4e0a\u5347\u65f6\u95f4\u90fd\u7edf\u4e00\u4f7f\u7528\u7684\u7cfb\u6570\u3002<\/p>\n<h3 id=\"103\">10.3 \u52a0\u5165\u4fdd\u62a4\u524d\u540e\u7b97\u4e00\u6b21<\/h3>\n<p>\u5047\u8bbe R<sub>P<\/sub> = 2.2k\u03a9\uff0c\u539f\u6709\u603b\u7535\u5bb9 120pF\uff1a<\/p>\n<p><strong>t<sub>r,\u539f<\/sub> \u2248 0.8473 \u00d7 2200 \u00d7 120 \u00d7 10<sup>\u221212<\/sup> \u2248 224ns<\/strong><\/p>\n<p>\u82e5\u67d0 ESD \u65b9\u6848\u7ed9\u5355\u6839\u7ebf\u8def\u989d\u5916\u589e\u52a0 50pF\uff0c\u65b0\u7684\u603b\u7535\u5bb9\u4e3a 170pF\uff1a<\/p>\n<p><strong>t<sub>r,\u65b0<\/sub> \u2248 0.8473 \u00d7 2200 \u00d7 170 \u00d7 10<sup>\u221212<\/sup> \u2248 317ns<\/strong><\/p>\n<p>\u91c7\u7528 Fast-mode \u7684 300ns \u4e0a\u5347\u65f6\u95f4\u8981\u6c42\u505a\u68c0\u67e5\uff0c224ns \u5728\u8fd9\u4e00\u9879\u4e0a\u6ee1\u8db3\u8981\u6c42\uff0c317ns \u5219\u8d85\u8fc7\u4e0a\u9650\u3002\u8fd9\u8bf4\u660e\u4fdd\u62a4\u5143\u4ef6\u5373\u4f7f\u5b8c\u5168\u4e0d\u53d1\u751f\u94b3\u4f4d\uff0c\u5355\u51ed\u5b83\u7684\u7535\u5bb9\u4e5f\u80fd\u5f71\u54cd\u6b63\u5e38\u901a\u4fe1\u3002\u8be5\u6a21\u578b\u548c 300ns \u793a\u4f8b\u6761\u4ef6\u53ef\u53c2\u89c1 <a href=\"https:\/\/www.ti.com\/lit\/an\/slva689\/slva689.pdf\">TI\uff1aI\u00b2C \u4e0a\u62c9\u7535\u963b\u8ba1\u7b97<\/a>\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/05-i2c-capacitance.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"max-width:100%;height:auto\" loading=\"lazy\" alt=\"I2C\u603b\u7535\u5bb9\u53d8\u5316\u5bfc\u81f4\u4e0a\u5347\u65f6\u95f4\u4ece224ns\u53d8\u4e3a317ns\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/05-i2c-capacitance.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<p>\u56fe 4\uff1a\u589e\u52a0\u7535\u5bb9\u4ee5\u540e\uff0c\u7535\u538b\u8d8a\u8fc7\u903b\u8f91\u9608\u503c\u7684\u901f\u5ea6\u53d8\u6162\u3002\u56fe\u4e2d\u66f2\u7ebf\u662f\u7406\u60f3 RC \u6a21\u578b\uff0c\u4e0d\u5305\u542b\u4e3b\u52a8\u4e0a\u62c9\u3001\u603b\u7ebf\u7f13\u51b2\u5668\u3001\u8d70\u7ebf\u5206\u5e03\u53c2\u6570\u7b49\u5f71\u54cd\u3002<\/p>\n<h3 id=\"104-esd\">10.4 \u53cd\u8fc7\u6765\u6c42 ESD \u5668\u4ef6\u7684\u7535\u5bb9\u9884\u7b97<\/h3>\n<p>\u5982\u679c\u4e0a\u5347\u65f6\u95f4\u8981\u6c42\u4e3a 300ns\uff0c\u4e0a\u62c9\u4e3a 2.2k\u03a9\uff0c\u5219\u5141\u8bb8\u7684\u603b\u7535\u5bb9\u7c97\u4f30\u4e3a\uff1a<\/p>\n<p><strong>C<sub>b,max<\/sub> \u2248 300 \u00d7 10<sup>\u22129<\/sup> \/ (0.8473 \u00d7 2200) \u2248 161pF<\/strong><\/p>\n<p>\u5df2\u6709 120pF\uff0c\u5c31\u53ea\u5269\u5927\u7ea6 41pF \u603b\u9884\u7b97\u3002\u8fd9\u4e2a\u4f59\u91cf\u8fd8\u8981\u5206\u7ed9\u65b0\u589e\u8d70\u7ebf\u3001\u8fde\u63a5\u5668\u3001\u63a2\u5934\u548c\u5668\u4ef6\u504f\u5dee\uff0c\u4e0d\u80fd\u628a\u5b83\u5168\u90e8\u6d88\u8017\u5728\u4e00\u4e2a\u6807\u79f0 40pF \u7684 TVS \u4e0a\u3002<\/p>\n<p>\u4e5f\u53ef\u4ee5\u51cf\u5c0f\u4e0a\u62c9\u7535\u963b\u6539\u5584\u4e0a\u5347\u6cbf\uff0c\u4f46\u4e0b\u9650\u53d7\u704c\u7535\u6d41\u80fd\u529b\u7ea6\u675f\uff1a<\/p>\n<p><strong>R<sub>P,min<\/sub> \u2265 (V<sub>DD,max<\/sub> \u2212 V<sub>OL,max<\/sub>) \/ I<sub>OL,guaranteed<\/sub><\/strong><\/p>\n<p>\u5047\u8bbe\u7528 3.3V\u30010.4V \u548c\u4fdd\u8bc1\u704c\u7535\u6d41 3mA \u505a\u521d\u7b97\uff0c\u5219 R<sub>P,min<\/sub> \u2248 967\u03a9\u3002\u5b9e\u9645\u5e94\u4f7f\u7528\u603b\u7ebf\u4e0a\u6700\u5f31\u5668\u4ef6\u5728\u76f8\u5e94\u6761\u4ef6\u4e0b\u7684\u4fdd\u8bc1\u503c\uff0c\u5e76\u8003\u8651\u7535\u6e90\u4e0e\u7535\u963b\u5bb9\u5dee\uff0c\u4e0d\u80fd\u628a\u6240\u6709 I\u00b2C \u5668\u4ef6\u90fd\u5047\u5b9a\u6210\u540c\u6837\u7684\u704c\u7535\u6d41\u80fd\u529b\u3002<\/p>\n<h3 id=\"105\">10.5 \u5b9e\u9645\u600e\u6837\u9009\uff1f<\/h3>\n<p>\u5148\u786e\u8ba4\u6700\u9ad8\u5408\u6cd5\u9ad8\u7535\u5e73\uff0c\u518d\u786e\u5b9a\u5355\u5411\/\u53cc\u5411\u548c\u6389\u7535\u884c\u4e3a\uff1b\u7136\u540e\u6309\u6bcf\u6839\u7ebf\u8ba1\u7b97\u7535\u5bb9\u9884\u7b97\uff0c\u68c0\u67e5\u6700\u5927\u6f0f\u7535\u5bf9\u4e0a\u62c9\u7535\u538b\u7684\u5f71\u54cd\uff1b\u6700\u540e\u9a8c\u8bc1\u9759\u7535\u94b3\u4f4d\u548c\u7cfb\u7edf\u6297\u6270\u5ea6\u3002SDA \u4e0e SCL \u90fd\u53ef\u80fd\u9700\u8981\u4fdd\u62a4\uff0c\u4e0d\u80fd\u53ea\u4fdd\u62a4\u6570\u636e\u7ebf\u800c\u9057\u6f0f\u65f6\u949f\u7ebf\u3002<\/p>\n<p>\u82e5 I\u00b2C \u5f15\u5230\u8f83\u957f\u5916\u90e8\u7ebf\u7f06\uff0c\u95ee\u9898\u8fd8\u5305\u62ec\u5730\u7535\u4f4d\u5dee\u3001\u566a\u58f0\u8026\u5408\u548c\u7ebf\u7f06\u7535\u5bb9\u3002\u6b64\u65f6\u9664\u4e86 ESD \u5668\u4ef6\uff0c\u8fd8\u53ef\u80fd\u9700\u8981\u603b\u7ebf\u7f13\u51b2\u3001\u9694\u79bb\u6216\u66f4\u9002\u5408\u957f\u8ddd\u79bb\u901a\u4fe1\u7684\u63a5\u53e3\u3002\u5355\u72ec\u6362\u4e00\u9897\u66f4\u5f3a\u7684 TVS \u4e0d\u80fd\u89e3\u51b3\u6240\u6709\u4fe1\u53f7\u4f20\u8f93\u95ee\u9898\u3002<\/p>\n<h2 id=\"11-usb\">11. \u5b9e\u4f8b\u4e09\uff1aUSB \u63a5\u53e3\u600e\u6837\u5206\u522b\u4fdd\u62a4\uff1f<\/h2>\n<h3 id=\"111\">11.1 \u5148\u628a\u63a5\u53e3\u62c6\u6210\u4e0d\u540c\u7528\u9014\u7684\u7ebf<\/h3>\n<p>USB \u8fde\u63a5\u5668\u91cc\u53ef\u80fd\u540c\u65f6\u5b58\u5728\u4f9b\u7535\u7ebf\u3001\u5dee\u5206\u6570\u636e\u7ebf\u3001\u914d\u7f6e\u7ebf\u3001\u8f85\u52a9\u7ebf\u548c\u5c4f\u853d\u7ed3\u6784\u3002\u867d\u7136\u5b83\u4eec\u5728\u540c\u4e00\u4e2a\u8fde\u63a5\u5668\u91cc\uff0c\u4f46\u5408\u6cd5\u7535\u538b\u3001\u4fe1\u53f7\u901f\u5ea6\u548c\u6545\u969c\u573a\u666f\u5e76\u4e0d\u76f8\u540c\u3002<\/p>\n<p>\u4f9b\u7535\u7ebf VBUS \u7684\u9009\u578b\u5148\u770b\u7cfb\u7edf\u652f\u6301\u7684\u5b9e\u9645\u6700\u9ad8\u7535\u538b\u548c\u529f\u7387\u8def\u5f84\uff1b\u5dee\u5206\u6570\u636e\u7ebf\u5148\u770b\u5408\u6cd5\u4fe1\u53f7\u8303\u56f4\u3001\u4f4e\u7535\u5bb9\u3001\u94b3\u4f4d\u548c\u9ad8\u901f\u4f20\u8f93\uff1b\u914d\u7f6e\u6216\u8f85\u52a9\u5f15\u811a\u5219\u9700\u6309\u5bf9\u5e94\u63a7\u5236\u5668\u548c\u7aef\u53e3\u65b9\u6848\u68c0\u67e5\u3002\u5982\u679c\u8bbe\u5907\u652f\u6301\u66f4\u9ad8\u7535\u538b\u534f\u5546\uff0c\u4e0d\u80fd\u6cbf\u7528\u201c\u6240\u6709 USB \u4f9b\u7535\u6c38\u8fdc\u90fd\u662f 5V\u201d\u7684\u5047\u8bbe\u3002<\/p>\n<h3 id=\"112\">11.2 \u4e3a\u4ec0\u4e48\u9ad8\u901f\u6570\u636e\u7ebf\u4e0d\u80fd\u53ea\u6bd4\u8f83\u7ed3\u7535\u5bb9\u6570\u5b57\uff1f<\/h3>\n<p>\u7535\u5bb9\u8d8a\u5927\uff0c\u901a\u5e38\u8d8a\u5bb9\u6613\u5f71\u54cd\u9ad8\u9891\u4fe1\u53f7\uff0c\u4f46\u201c\u4f4e\u4e8e\u67d0\u4e2a pF \u5c31\u4e00\u5b9a\u5408\u683c\u201d\u4ecd\u8fc7\u4e8e\u7b80\u5355\u3002\u5c01\u88c5\u3001\u710a\u76d8\u3001\u8d70\u7ebf\u652f\u7ebf\u3001\u5f15\u811a\u6392\u5217\uff0c\u4ee5\u53ca\u901a\u9053\u4e4b\u95f4\u7684\u5339\u914d\u90fd\u4f1a\u5f71\u54cd\u4f20\u8f93\u3002<\/p>\n<p>\u5982\u679c\u7528\u4e00\u4e2a\u5f88\u7b80\u5316\u7684\u96c6\u4e2d\u53c2\u6570 RC \u6a21\u578b\u505a\u521d\u7b5b\uff1a<\/p>\n<p><strong>f<sub>\u22123dB<\/sub> \u2248 1 \/ (2\u03c0R<sub>eq<\/sub>C<sub>total<\/sub>)<\/strong><\/p>\n<p>\u5047\u8bbe\u6709\u6548\u9a71\u52a8\u7535\u963b\u4e3a 50\u03a9\uff0c\u989d\u5916\u96c6\u4e2d\u7535\u5bb9\u4e3a 10pF\uff0c\u5219\u6781\u70b9\u7ea6\u4e3a 318MHz\uff1b\u82e5\u4ec5\u4e3a 1pF\uff0c\u5219\u7ea6\u4e3a 3.18GHz\u3002\u8fd9\u662f\u4e3a\u4e86\u7406\u89e3\u7535\u5bb9\u6570\u91cf\u7ea7\u7684\u5f71\u54cd\uff0c\u4e0d\u662f USB \u5408\u89c4\u5e26\u5bbd\u8ba1\u7b97\uff0c\u66f4\u4e0d\u80fd\u628a\u67d0\u4e2a\u5dee\u5206\u7279\u5f81\u963b\u6297\u76f4\u63a5\u5f53\u6210\u6240\u6709\u62d3\u6251\u4e0b\u7684 R<sub>eq<\/sub>\u3002<\/p>\n<p>\u6570\u5b57\u4fe1\u53f7\u662f\u5426\u5931\u771f\uff0c\u8fd8\u4e0e\u8fb9\u6cbf\u901f\u5ea6\u6709\u5173\uff0c\u4e0d\u80fd\u53ea\u6309\u6570\u636e\u6bcf\u79d2\u591a\u5c11\u4f4d\u5224\u65ad\u3002\u5b9e\u9645\u9ad8\u901f\u63a5\u53e3\u901a\u5e38\u8981\u770b\u5382\u5bb6\u63d0\u4f9b\u7684\u63d2\u5165\u635f\u8017\u3001\u56de\u6ce2\u635f\u8017\u3001S \u53c2\u6570\u3001\u773c\u56fe\u6216\u5bf9\u5e94\u53c2\u8003\u8bbe\u8ba1\uff0c\u5e76\u5728\u771f\u5b9e\u677f\u7ea7\u6761\u4ef6\u4e0b\u9a8c\u8bc1\u3002<\/p>\n<h3 id=\"113-ti-esd441\">11.3 \u771f\u5b9e\u53c2\u6570\u9605\u8bfb\u793a\u4f8b\uff1aTI ESD441<\/h3>\n<p>\u4ee5 TI ESD441 \u5b98\u65b9\u4ea7\u54c1\u8d44\u6599\u4f5c\u4e3a\u201c\u8bfb\u8868\u7ec3\u4e60\u201d\uff1a\u5176\u9875\u9762\u7ed9\u51fa 5.5V \u5de5\u4f5c\u7535\u538b\u30011pF \u5178\u578b IO \u7535\u5bb9\u30017.6V \u94b3\u4f4d\u503c\u5bf9\u5e94 16A TLP \u6761\u4ef6\uff0c\u540c\u65f6\u5217\u51fa\u9759\u7535\u548c\u6d6a\u6d8c\u80fd\u529b\u3002\u8fd9\u91cc\u5e94\u8bfb\u51fa\u7684\u91cd\u70b9\u662f\uff1a<strong>5.5V \u5de5\u4f5c\u7535\u538b\u4e0e 7.6V \u94b3\u4f4d\u7535\u538b\u542b\u4e49\u4e0d\u540c\uff0c\u4e14 TLP \u94b3\u4f4d\u503c\u4e0d\u80fd\u76f4\u63a5\u5f53\u4f5c\u4efb\u610f\u6d6a\u6d8c\u4e0b\u7684\u6b8b\u538b\u3002<\/strong> 1pF \u662f\u5178\u578b\u503c\uff0c\u4e5f\u4e0d\u662f\u4efb\u4f55\u504f\u7f6e\u548c\u4efb\u4f55\u9891\u7387\u4e0b\u90fd\u7cbe\u786e\u7b49\u4e8e 1pF\u3002<a href=\"https:\/\/www.ti.com\/product\/ESD441\">TI ESD441 \u5b98\u65b9\u8d44\u6599<\/a><\/p>\n<p>\u8fd9\u4e2a\u4f8b\u5b50\u4e0d\u4ee3\u8868\u5b83\u9002\u5408\u6240\u6709 USB \u63a5\u53e3\uff0c\u4e5f\u6ca1\u6709\u58f0\u660e\u7acb\u521b\u5546\u57ce\u5f53\u524d\u4e00\u5b9a\u6709\u8d27\u3002\u9009\u7528\u771f\u5b9e\u6599\u53f7\u65f6\uff0c\u8fd8\u8981\u6838\u5bf9\u5b8c\u6574\u540e\u7f00\u3001\u5c01\u88c5\u3001\u5f15\u811a\u3001\u76ee\u6807\u63a5\u53e3\u8981\u6c42\u548c\u6700\u65b0\u7248\u672c\u624b\u518c\u3002<\/p>\n<h3 id=\"114\">11.4 \u4e24\u6839\u5dee\u5206\u7ebf\u8981\u5bf9\u79f0\u770b\u5f85<\/h3>\n<p>\u5982\u679c\u4e24\u6839\u7ebf\u7684\u4fdd\u62a4\u7535\u5bb9\u660e\u663e\u4e0d\u540c\uff0c\u6216\u8005\u4e00\u6839\u7ebf\u591a\u7ed5\u4e86\u4e00\u5927\u6bb5\u652f\u7ebf\uff0c\u53ef\u80fd\u9020\u6210\u4e0d\u5e73\u8861\u3002\u4f18\u5148\u9009\u62e9\u9002\u5408\u5bf9\u5e94\u63a5\u53e3\u3001\u4fbf\u4e8e\u76f4\u901a\u5e03\u7ebf\u7684\u5c01\u88c5\uff1b\u4e24\u4fa7\u8d70\u7ebf\u7ed3\u6784\u3001\u53c2\u8003\u5e73\u9762\u548c\u4fdd\u62a4\u652f\u8def\u5e94\u4fdd\u6301\u5408\u7406\u4e00\u81f4\u3002<\/p>\n<p>\u5c4f\u853d\u5c42\u4e5f\u4e0d\u662f\u7b80\u5355\u63a5\u4e00\u4e2a\u5730\u7b26\u53f7\u5c31\u7ed3\u675f\u3002\u5c4f\u853d\u3001\u673a\u58f3\u5730\u4e0e\u4fe1\u53f7\u5730\u7684\u8fde\u63a5\u65b9\u5f0f\uff0c\u5fc5\u987b\u7ed3\u5408\u6574\u673a\u7ed3\u6784\u3001EMC \u548c\u63a5\u5730\u7b56\u7565\u786e\u5b9a\u3002\u4e0d\u8981\u4e3a\u4e86\u56fe\u7eb8\u201c\u770b\u8d77\u6765\u5e72\u51c0\u201d\u800c\u8ba9\u77ac\u6001\u7535\u6d41\u7ed5\u8fc7\u6574\u4e2a\u677f\u5b50\u518d\u56de\u5230\u8fde\u63a5\u5668\u9644\u8fd1\u3002<\/p>\n<h2 id=\"12-rs-485can\">12. \u5b9e\u4f8b\u56db\uff1aRS-485\u3001CAN \u7b49\u5de5\u4e1a\u603b\u7ebf<\/h2>\n<h3 id=\"121\">12.1 \u7535\u6e90\u7535\u538b\u4e0d\u7b49\u4e8e\u603b\u7ebf\u5f15\u811a\u7684\u5de5\u4f5c\u8303\u56f4<\/h3>\n<p>\u4e00\u4e2a\u6536\u53d1\u5668\u7528 3.3V \u4f9b\u7535\uff0c\u4e0d\u4ee3\u8868\u5916\u90e8\u603b\u7ebf\u5f15\u811a\u5bf9\u672c\u5730\u5730\u53ea\u80fd\u51fa\u73b0 0\uff5e3.3V\u3002\u5de5\u4e1a\u603b\u7ebf\u5f80\u5f80\u9700\u8981\u5bb9\u5fcd\u4e00\u5b9a\u7684\u5171\u6a21\u8303\u56f4\u3001\u5730\u7535\u4f4d\u5dee\uff0c\u67d0\u4e9b\u7cfb\u7edf\u8fd8\u89c4\u5b9a\u8bef\u63a5\u5230\u7535\u6e90\u7684\u6545\u969c\u80fd\u529b\u3002<\/p>\n<p>\u56e0\u6b64\u4e0d\u80fd\u7b80\u5355\u5730\u5728 A\/B \u6216 CANH\/CANL \u4e0a\u5404\u88c5\u4e00\u9897\u201c3.3V TVS\u201d\uff0c\u5c31\u8ba4\u4e3a\u5b8c\u6210\u4e86\u4fdd\u62a4\u3002\u5668\u4ef6\u6709\u53ef\u80fd\u5728\u5408\u6cd5\u5171\u6a21\u72b6\u6001\u4e0b\u5bfc\u901a\uff0c\u9020\u6210\u901a\u4fe1\u5931\u8d25\u548c\u6301\u7eed\u53d1\u70ed\u3002<\/p>\n<p>\u6b63\u786e\u505a\u6cd5\u662f\u5206\u522b\u67e5\uff1a\u6536\u53d1\u5668\u4fdd\u8bc1\u7684\u603b\u7ebf\u6b63\u5e38\u5de5\u4f5c\u8303\u56f4\u3001\u7edd\u5bf9\u6700\u5927\u8303\u56f4\u3001\u603b\u7ebf\u6545\u969c\u8010\u53d7\u8303\u56f4\uff0c\u4ee5\u53ca\u4ea7\u54c1\u8981\u6c42\u7684\u6d6a\u6d8c\u548c ESD \u6761\u4ef6\u3002\u5b83\u4eec\u4e0d\u662f\u540c\u4e00\u5f20\u8868\u91cc\u7684\u540c\u4e00\u4e2a\u6570\u5b57\u3002<\/p>\n<h3 id=\"122\">12.2 \u5171\u6a21\u4e0e\u5dee\u6a21\u8981\u5206\u522b\u7406\u89e3<\/h3>\n<p>\u5dee\u6a21\u5e72\u6270\u662f\u4e24\u6839\u7ebf\u4e4b\u95f4\u7684\u7535\u538b\u5dee\u5f02\u5e38\u589e\u5927\uff1b\u5171\u6a21\u5e72\u6270\u662f\u4e24\u6839\u7ebf\u4e00\u8d77\u76f8\u5bf9\u67d0\u4e2a\u53c2\u8003\u8282\u70b9\u62ac\u9ad8\u6216\u964d\u4f4e\u3002<\/p>\n<p>\u5728\u7ebf\u95f4\u653e\u7f6e TVS\uff0c\u4e3b\u8981\u9650\u5236\u7684\u662f\u4e24\u7ebf\u4e4b\u95f4\u7684\u5dee\u5206\u7535\u538b\u3002\u82e5\u4e24\u7ebf\u540c\u65f6\u76f8\u5bf9\u672c\u5730\u5730\u5347\u9ad8\u5f88\u591a\uff0c\u7ebf\u95f4\u7535\u538b\u53ef\u80fd\u4ecd\u7136\u4e0d\u5927\uff0c\u8fd9\u9897\u7ebf\u95f4 TVS \u5c31\u672a\u5fc5\u80fd\u89e3\u51b3\u5171\u6a21\u5e94\u529b\u3002\u53cd\u8fc7\u6765\uff0c\u4e24\u7ebf\u5404\u5bf9\u5730\u94b3\u4f4d\uff0c\u4e5f\u8981\u68c0\u67e5\u5b83\u4eec\u7684\u5de5\u4f5c\u8303\u56f4\u4e0e\u56de\u6d41\u8def\u5f84\u3002<\/p>\n<p>\u8fd9\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48\u5de5\u4e1a\u63a5\u53e3\u6709\u65f6\u4f7f\u7528\u4e13\u7528\u603b\u7ebf\u4fdd\u62a4\u5668\u4ef6\uff0c\u6216\u6839\u636e\u5a01\u80c1\u7ec4\u5408\u5b89\u6392\u7ebf\u95f4\u3001\u7ebf\u5bf9\u8fd4\u56de\u7aef\u7684\u591a\u7ea7\u4fdd\u62a4\u3002\u9009\u62e9\u54ea\u79cd\u8fde\u63a5\u65b9\u5f0f\uff0c\u8981\u4ece\u88ab\u4fdd\u62a4\u5668\u4ef6\u6bcf\u4e2a\u5f15\u811a\u7684\u53d7\u538b\u60c5\u51b5\u63a8\u5bfc\u3002<\/p>\n<h3 id=\"123\">12.3 \u8fd8\u8981\u5173\u6ce8\u901a\u4fe1\u901f\u7387\u4e0e\u9694\u79bb\u8fb9\u754c<\/h3>\n<p>\u8f83\u9ad8\u603b\u7ebf\u901f\u7387\u9700\u8981\u66f4\u4ed4\u7ec6\u5730\u68c0\u67e5\u4fdd\u62a4\u7535\u5bb9\u548c\u5e03\u7ebf\u3002\u7ec8\u7aef\u7535\u963b\u3001\u504f\u7f6e\u7f51\u7edc\u3001\u5171\u6a21\u7535\u611f\u4e0e TVS \u4e5f\u4f1a\u76f8\u4e92\u5f71\u54cd\uff0c\u4e0d\u80fd\u5206\u5f00\u5404\u81ea\u201c\u9009\u4e00\u4e2a\u5e38\u7528\u503c\u201d\u540e\u5c31\u9ed8\u8ba4\u6574\u673a\u6b63\u786e\u3002<\/p>\n<p>\u5bf9\u4e8e\u9694\u79bb\u6536\u53d1\u5668\uff0cTVS \u7684\u8fd4\u56de\u7aef\u901a\u5e38\u9700\u8981\u5728\u76f8\u5e94\u9694\u79bb\u4fa7\u5185\u89c4\u5212\u3002\u628a\u9694\u79bb\u4fa7\u7aef\u53e3\u7684\u6d6a\u6d8c\u76f4\u63a5\u5f15\u5411\u53e6\u4e00\u4fa7\u903b\u8f91\u5730\uff0c\u53ef\u80fd\u6539\u53d8\u539f\u5148\u7684\u9694\u79bb\u548c\u5171\u6a21\u8bbe\u8ba1\u3002\u5e94\u540c\u65f6\u68c0\u67e5\u722c\u7535\u95f4\u8ddd\u3001\u7535\u6c14\u95f4\u9699\u3001\u5c4f\u853d\u53ca\u7cfb\u7edf\u63a5\u5730\u9700\u6c42\u3002<\/p>\n<h2 id=\"13-gpio\">13. \u5b9e\u4f8b\u4e94\uff1a\u6a21\u62df\u8f93\u5165\u3001\u6309\u952e\u548c GPIO<\/h2>\n<h3 id=\"131\">13.1 \u9ad8\u963b\u6a21\u62df\u8f93\u5165\u9996\u5148\u770b\u6f0f\u7535<\/h3>\n<p>\u5728\u7535\u538b\u6d4b\u91cf\u3001\u4f20\u611f\u5668\u6216\u9ad8\u963b\u5206\u538b\u7f51\u7edc\u4e2d\uff0c\u4fdd\u62a4\u5668\u4ef6\u7684\u6f0f\u7535\u53ef\u80fd\u76f4\u63a5\u53d8\u6210\u6d4b\u91cf\u8bef\u5dee\u3002\u6700\u7b80\u5355\u7684\u8fd1\u4f3c\u5173\u7cfb\u662f\uff1a<\/p>\n<p><strong>|V<sub>error<\/sub>| \u2248 |I<sub>leak<\/sub>| \u00d7 R<sub>source<\/sub><\/strong><\/p>\n<p>\u5047\u8bbe\u8f93\u5165\u7684\u7b49\u6548\u6e90\u7535\u963b\u4e3a 100k\u03a9\uff0c\u4fdd\u62a4\u5668\u4ef6\u5728\u8be5\u7535\u538b\u3001\u8be5\u6e29\u5ea6\u4e0b\u7684\u6f0f\u7535\u4e3a 100nA\uff0c\u5219\u8bef\u5dee\u91cf\u7ea7\u53ef\u8fbe 10mV\uff1b\u82e5\u9ad8\u6e29\u4e0b\u6f0f\u7535\u53d8\u6210 1\u03bcA\uff0c\u5219\u53ef\u8fbe 100mV\u3002\u8bef\u5dee\u6b63\u8d1f\u548c\u51c6\u786e\u503c\u7531\u6f0f\u7535\u65b9\u5411\u53ca\u7f51\u7edc\u7ed3\u6784\u51b3\u5b9a\u3002<\/p>\n<p>\u6240\u4ee5\u7cbe\u5bc6\u8f93\u5165\u4e0d\u80fd\u4ec5\u6bd4\u8f83\u5ba4\u6e29\u5178\u578b\u6f0f\u7535\u3002\u8981\u627e\u6700\u4e0d\u5229\u6e29\u5ea6\u548c\u504f\u7f6e\u4e0b\u7684\u4fdd\u8bc1\u503c\uff0c\u5e76\u628a\u5b83\u8ba1\u5165\u5b8c\u6574\u8bef\u5dee\u9884\u7b97\u3002ADC \u8f93\u5165\u91c7\u6837\u7535\u5bb9\u3001\u524d\u7ea7\u8fd0\u653e\u9a71\u52a8\u80fd\u529b\u548c\u989d\u5916\u4e32\u8054\u7535\u963b\uff0c\u4e5f\u4f1a\u5f71\u54cd\u91c7\u6837\u5efa\u7acb\u65f6\u95f4\u3002<\/p>\n<h3 id=\"132\">13.2 \u6309\u952e\u901f\u5ea6\u6162\uff0c\u4e5f\u4e0d\u7b49\u4e8e\u4efb\u610f\u5927\u7535\u5bb9\u90fd\u53ef\u4ee5<\/h3>\n<p>\u4f4e\u901f\u6309\u952e\u901a\u5e38\u80fd\u63a5\u53d7\u6bd4\u9ad8\u901f\u6570\u636e\u7ebf\u66f4\u5927\u7684\u7535\u5bb9\uff0c\u8bbe\u8ba1\u81ea\u7531\u5ea6\u66f4\u9ad8\u3002\u4f46\u4ecd\u9700\u68c0\u67e5\u6309\u952e\u626b\u63cf\u65f6\u5e8f\u3001\u4f4e\u529f\u8017\u5524\u9192\u3001\u89e6\u6478\u68c0\u6d4b\u7075\u654f\u5ea6\u548c\u53bb\u6296\u7535\u8def\u3002\u7535\u5bb9\u4e0e\u4e0a\u62c9\u5f62\u6210\u7684\u5ef6\u8fdf\uff0c\u53ef\u80fd\u6539\u53d8\u5524\u9192\u8109\u51b2\u6216\u77ed\u6309\u68c0\u6d4b\u884c\u4e3a\u3002<\/p>\n<p>\u4fdd\u62a4\u4f4d\u7f6e\u5e94\u8003\u8651\u5e72\u6270\u771f\u6b63\u8fdb\u5165\u7684\u4f4d\u7f6e\u3002\u5982\u679c\u4eba\u7684\u624b\u80fd\u63a5\u89e6\u91d1\u5c5e\u6309\u952e\u6216\u5916\u90e8\u5f15\u7ebf\uff0c\u5165\u53e3\u9644\u8fd1\u662f\u91cd\u70b9\u3002\u82e5\u53ea\u6709\u5185\u90e8\u6309\u952e\u5374\u7ecf\u7ed3\u6784\u95f4\u9699\u53d1\u751f\u7a7a\u6c14\u653e\u7535\uff0c\u8fd8\u8981\u89c2\u5bdf\u5b9e\u9645\u653e\u7535\u843d\u70b9\u548c\u9644\u8fd1\u8026\u5408\u8def\u5f84\u3002<\/p>\n<h3 id=\"133\">13.3 \u4e32\u8054\u7535\u963b\u53ef\u4ee5\u5e2e\u5fd9\uff0c\u4f46\u4e0d\u80fd\u76f2\u76ee\u8ba9\u82af\u7247\u5185\u4fdd\u62a4\u5403\u7535\u6d41<\/h3>\n<p>\u5728\u4f4e\u901f GPIO \u4e0a\uff0c\u4e32\u8054\u7535\u963b\u6709\u65f6\u53ef\u4ee5\u9650\u5236\u6d41\u5165\u540e\u7ea7\u7684\u6b8b\u4f59\u7535\u6d41\u3002\u4e0d\u8fc7\uff0c\u53ea\u6709\u5728\u660e\u786e\u77e5\u9053\u94b3\u4f4d\u7ed3\u6784\u548c\u5141\u8bb8\u6ce8\u5165\u7535\u6d41\u65f6\uff0c\u624d\u53ef\u4ee5\u8fdb\u884c\u76f8\u5e94\u8ba1\u7b97\uff1a<\/p>\n<p><strong>R \u2265 (V<sub>upstream,clamp<\/sub> \u2212 V<sub>pin,clamp<\/sub>) \/ I<sub>injection,allow<\/sub><\/strong><\/p>\n<p>\u8fd9\u4e2a\u516c\u5f0f\u53ea\u7ed9\u51fa\u7279\u5b9a\u7b80\u5316\u6761\u4ef6\u4e0b\u7684\u7535\u963b\u4e0b\u9650\uff0c\u524d\u63d0\u662f\u5206\u5b50\u4e3a\u6b63\u4e14\u76f8\u5173\u94b3\u4f4d\u548c\u7535\u6d41\u53c2\u6570\u6709\u4f9d\u636e\u3002\u8fd8\u8981\u68c0\u67e5\u7535\u963b\u538b\u964d\u3001RC \u5ef6\u8fdf\u3001\u8109\u51b2\u8010\u53d7\uff0c\u4ee5\u53ca\u88ab\u6ce8\u5165\u7684\u7535\u6e90\u8f68\u80fd\u5426\u5438\u6536\u7535\u6d41\u3002<\/p>\n<p>\u4e0d\u5e94\u628a\u82af\u7247\u5185\u90e8\u7684 ESD \u7ed3\u6784\u9ed8\u8ba4\u5f53\u4f5c\u4e00\u4e2a\u53ef\u4ee5\u53cd\u590d\u4f7f\u7528\u7684\u5927\u7535\u6d41\u7a33\u538b\u5668\u3002\u82e5\u624b\u518c\u6ca1\u6709\u7ed9\u51fa\u76f8\u5e94\u77ac\u6001\u6216\u6ce8\u5165\u4fdd\u8bc1\uff0c\u4e0d\u80fd\u4ec5\u9760\u516c\u5f0f\u8865\u51fa\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u4fdd\u8bc1\u503c\u3002<\/p>\n<h2 id=\"14-tvs\">14. \u591a\u7ea7\u4fdd\u62a4\uff1a\u4ec0\u4e48\u65f6\u5019\u4e00\u9897 TVS \u4e0d\u591f\uff1f<\/h2>\n<h3 id=\"141\">14.1 \u77ac\u6001\u3001\u53cd\u63a5\u3001\u8fc7\u6d41\u4e0e\u6301\u7eed\u8fc7\u538b\u9700\u8981\u5206\u522b\u5904\u7406<\/h3>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/06-power-coordination.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"max-width:100%;height:auto\" loading=\"lazy\" alt=\"TVS\u3001\u4fdd\u9669\u4e1d\u4e0e\u4e32\u8054\u65ad\u5f00\u4fdd\u62a4\u7684\u529f\u80fd\u914d\u5408\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/06-power-coordination.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<p>\u56fe 5\uff1a\u4e00\u79cd\u7535\u6e90\u8f93\u5165\u529f\u80fd\u67b6\u6784\u3002\u56fe\u4e2d TVS \u4f4d\u4e8e\u4fdd\u9669\u4e1d\u4e4b\u540e\u3001\u4e32\u8054\u65ad\u5f00\u4fdd\u62a4\u4e4b\u524d\uff0c\u65e8\u5728\u5c55\u793a\u529f\u80fd\u5206\u5de5\uff1b\u5b9e\u9645\u4f4d\u7f6e\u8981\u7ed3\u5408\u4fdd\u62a4\u5668\u4ef6\u8010\u538b\u3001\u53cd\u63a5\u9700\u6c42\u548c\u6d6a\u6d8c\u7535\u6d41\u8def\u5f84\u786e\u5b9a\u3002<\/p>\n<p>TVS \u9002\u5408\u627f\u62c5\u89c4\u5b9a\u6761\u4ef6\u4e0b\u7684\u77ed\u65f6\u5206\u6d41\u3002\u53cd\u63a5\u4fdd\u62a4\u8d1f\u8d23\u5904\u7406\u7535\u6e90\u6781\u6027\u9519\u8bef\uff1b\u9650\u6d41\u5668\u4ef6\u9650\u5236\u6545\u969c\u7535\u6d41\uff1b\u8fc7\u538b\u65ad\u5f00\u7535\u8def\u963b\u6b62\u6301\u7eed\u9ad8\u7535\u538b\u8fdb\u5165\u540e\u7ea7\uff1b\u4fdd\u9669\u4e1d\u53ef\u5728\u67d0\u4e9b\u6545\u969c\u4e2d\u9694\u79bb\u7535\u6e90\u3002\u8fd9\u4e9b\u529f\u80fd\u53ef\u4ee5\u7531\u79bb\u6563\u5143\u4ef6\u5b9e\u73b0\uff0c\u4e5f\u53ef\u4ee5\u7531\u96c6\u6210\u65b9\u6848\u5b9e\u73b0\uff0c\u4f46\u90fd\u8981\u6838\u5b9e\u5404\u81ea\u7684\u8fb9\u754c\u6761\u4ef6\u3002<\/p>\n<p>\u5047\u8bbe\u4e00\u4e2a\u539f\u672c 24V \u7684\u8f93\u5165\u88ab\u63a5\u5230\u6301\u7eed 48V \u7535\u6e90\u4e0a\uff0cTVS \u82e5\u6301\u7eed\u5bfc\u901a\uff0c\u5c31\u53ef\u80fd\u4e0d\u65ad\u53d1\u70ed\u3002\u6b64\u65f6\u8981\u95ee\u7684\u4e0d\u662f\u201c\u77ac\u95f4\u80fd\u627f\u53d7\u591a\u5c11\u74e6\u201d\uff0c\u800c\u662f\u201c\u8c01\u4f1a\u5728\u591a\u957f\u65f6\u95f4\u5185\u9650\u5236\u6216\u5207\u65ad\u80fd\u91cf\u201d\u3002<\/p>\n<h3 id=\"142-tvs\">14.2 \u4fdd\u9669\u4e1d\u4e3a\u4ec0\u4e48\u4e0d\u4fdd\u8bc1\u6551\u5f97\u4e86 TVS\uff1f<\/h3>\n<p>\u4fdd\u9669\u4e1d\u7684\u52a8\u4f5c\u4e0e\u7535\u6d41\u5927\u5c0f\u548c\u6301\u7eed\u65f6\u95f4\u6709\u5173\uff0c\u4e0d\u662f\u8d85\u8fc7\u989d\u5b9a\u7535\u6d41\u5c31\u7acb\u523b\u65ad\u5f00\u3002\u6301\u7eed\u6545\u969c\u4e2d\uff0c\u7535\u6e90\u5982\u679c\u8fdb\u5165\u8f83\u4f4e\u7535\u6d41\u9650\u6d41\u72b6\u6001\uff0c\u53ef\u80fd\u4e0d\u8db3\u4ee5\u5feb\u901f\u7194\u65ad\u4fdd\u9669\u4e1d\uff0c\u5374\u8db3\u4ee5\u8ba9 TVS \u957f\u65f6\u95f4\u53d1\u70ed\u3002<\/p>\n<p>\u8bbe\u8ba1\u65f6\u5e94\u628a\u7535\u6e90\u77ed\u8def\u80fd\u529b\u3001\u4fdd\u9669\u4e1d\u65f6\u95f4\u2014\u7535\u6d41\u66f2\u7ebf\u3001\u5206\u65ad\u80fd\u529b\u3001TVS \u6545\u969c\u6a21\u5f0f\u548c\u70ed\u6761\u4ef6\u653e\u5728\u4e00\u8d77\u68c0\u67e5\u3002\u4e0d\u80fd\u9ed8\u8ba4 TVS \u4e00\u5b9a\u6c38\u4e45\u77ed\u8def\uff0c\u4e5f\u4e0d\u80fd\u9ed8\u8ba4\u5b83\u4e00\u5b9a\u5b89\u5168\u5f00\u8def\uff1b\u5b9e\u9645\u5931\u6548\u7ed3\u679c\u53d6\u51b3\u4e8e\u5668\u4ef6\u548c\u8fc7\u5e94\u529b\u8fc7\u7a0b\u3002<\/p>\n<h3 id=\"143-tvs\">14.3 \u4e24\u9897 TVS \u76f4\u63a5\u5e76\u8054\uff0c\u4e0d\u7b49\u4e8e\u80fd\u529b\u7ffb\u500d<\/h3>\n<p>\u5668\u4ef6\u7684\u51fb\u7a7f\u548c\u52a8\u6001\u7279\u6027\u5b58\u5728\u504f\u5dee\uff0c\u5148\u5bfc\u901a\u6216\u6b8b\u538b\u66f4\u4f4e\u7684\u4e00\u9897\u53ef\u80fd\u627f\u62c5\u66f4\u591a\u7535\u6d41\uff0c\u5e03\u5c40\u5dee\u5f02\u4e5f\u4f1a\u5f71\u54cd\u5206\u6d41\u3002\u56e0\u6b64\u4e24\u9897\u6807\u79f0\u76f8\u540c\u7684 TVS \u76f4\u63a5\u5e76\u8054\uff0c\u4e0d\u80fd\u672a\u7ecf\u9a8c\u8bc1\u5c31\u628a\u5141\u8bb8\u7535\u6d41\u76f8\u52a0\u3002<\/p>\n<p>\u591a\u7ea7\u4fdd\u62a4\u540c\u6837\u9700\u8981\u534f\u8c03\u3002\u5982\u679c\u524d\u7ea7\u6b8b\u538b\u6bd4\u540e\u7ea7\u89e6\u53d1\u7535\u538b\u9ad8\uff0c\u800c\u4e24\u7ea7\u4e4b\u95f4\u53c8\u51e0\u4e4e\u6ca1\u6709\u9694\u79bb\u963b\u6297\uff0c\u540e\u7ea7\u5c0f\u5668\u4ef6\u53ef\u80fd\u627f\u62c5\u8fc7\u591a\u7535\u6d41\uff0c\u524d\u7ea7\u5927\u5668\u4ef6\u53cd\u800c\u6ca1\u6709\u53d1\u6325\u9884\u671f\u4f5c\u7528\u3002\u9700\u8981\u6309\u52a8\u6001\u7535\u6d41\u5206\u914d\u5206\u6790\uff0c\u800c\u4e0d\u662f\u53ea\u628a\u201c\u7c97\u4fdd\u62a4\u201d\u548c\u201c\u7cbe\u4fdd\u62a4\u201d\u4e24\u4e2a\u540d\u5b57\u5199\u5728\u56fe\u4e0a\u3002<\/p>\n<h3 id=\"144-movgdt\">14.4 MOV\u3001GDT\u3001\u5171\u6a21\u7535\u611f\u5404\u6709\u4f5c\u7528<\/h3>\n<p>\u66f4\u9ad8\u80fd\u91cf\u7684\u5916\u90e8\u7ebf\u8def\u53ef\u80fd\u9700\u8981\u538b\u654f\u7535\u963b\u3001\u6c14\u4f53\u653e\u7535\u7ba1\u6216\u5176\u4ed6\u524d\u7ea7\u5668\u4ef6\uff0c\u518d\u914d\u5408\u540e\u7ea7 TVS\u3002\u8fd9\u6d89\u53ca\u89e6\u53d1\u3001\u7eed\u6d41\u3001\u8001\u5316\u3001\u7edd\u7f18\u548c\u80fd\u91cf\u534f\u8c03\u7b49\u95ee\u9898\uff0c\u4e0d\u5e94\u628a\u67d0\u4e2a\u901a\u7528\u8fde\u63a5\u56fe\u5f53\u6210\u6240\u6709\u5e94\u7528\u7684\u7b54\u6848\u3002<\/p>\n<p>\u5171\u6a21\u7535\u611f\u4e3b\u8981\u6539\u53d8\u5171\u6a21\u5e72\u6270\u4f20\u64ad\u7279\u6027\uff0c\u4e0d\u4f1a\u81ea\u52a8\u6d88\u9664\u6240\u6709\u5dee\u6a21\u8fc7\u538b\uff1b\u67d0\u4e9b\u8109\u51b2\u6761\u4ef6\u4e0b\u78c1\u82af\u8fd8\u53ef\u80fd\u9971\u548c\u3002\u6ee4\u6ce2\u4e0e\u94b3\u4f4d\u53ef\u4ee5\u534f\u540c\uff0c\u4f46\u5404\u81ea\u90fd\u8981\u5728\u5b9e\u9645\u5a01\u80c1\u6761\u4ef6\u4e0b\u9a8c\u8bc1\u3002<\/p>\n<h2 id=\"15-pcb\">15. PCB \u5e03\u5c40\uff1a\u4e3a\u4ec0\u4e48\u540c\u4e00\u9897\u5668\u4ef6\u6362\u4e2a\u4f4d\u7f6e\u5c31\u4e0d\u4e00\u6837\uff1f<\/h2>\n<h3 id=\"151\">15.1 \u5feb\u901f\u7535\u6d41\u4f7f\u5f88\u5c0f\u7684\u7535\u611f\u4e5f\u53d8\u5f97\u91cd\u8981<\/h3>\n<p>\u7535\u611f\u4e0a\u7684\u7535\u538b\u4e3a\uff1a<\/p>\n<p><strong>V<sub>L<\/sub> = L \u00d7 di\/dt<\/strong><\/p>\n<p>L \u7684\u5355\u4f4d\u662f H\uff0cdi\/dt \u7684\u5355\u4f4d\u662f A\/s\uff0c\u7ed3\u679c\u662f V\u3002\u5047\u8bbe\u4e00\u4e2a\u56de\u8def\u5bc4\u751f\u7535\u611f\u4e3a 2nH\uff0c\u800c\u67d0\u4e2a\u77ac\u95f4\u7684\u7535\u6d41\u53d8\u5316\u7387\u4e3a 10A\/ns\uff1a<\/p>\n<p><strong>V<sub>L<\/sub> = 2 \u00d7 10<sup>\u22129<\/sup> \u00d7 10 \u00d7 10<sup>9<\/sup> = 20V<\/strong><\/p>\n<p>\u8fd9\u662f\u89e3\u91ca\u654f\u611f\u6027\u7684\u6559\u5b66\u6570\u503c\uff0c\u5e76\u975e\u627f\u8bfa\u4efb\u610f PCB \u4e0a\u90fd\u6709 2nH \u6216\u4efb\u610f\u653e\u7535\u90fd\u6709\u6b64\u659c\u7387\u3002\u5b83\u8bf4\u660e\uff1a\u5728\u5f88\u5feb\u7684\u7535\u6d41\u53d8\u5316\u4e0b\uff0c\u770b\u4f3c\u4e0d\u5927\u7684\u5bc4\u751f\u53c2\u6570\u4e5f\u80fd\u4ea7\u751f\u660e\u663e\u538b\u5dee\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/07-layout.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"max-width:100%;height:auto\" loading=\"lazy\" alt=\"TVS\u957f\u652f\u7ebf\u5e03\u5c40\u4e0e\u5c31\u8fd1\u76f4\u901a\u5e03\u5c40\u7684\u5bf9\u6bd4\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/07-layout.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<p>\u56fe 6\uff1a\u5e03\u5c40\u7684\u76ee\u6807\u662f\u63a7\u5236\u5b8c\u6574\u5206\u6d41\u56de\u8def\u7684\u963b\u6297\u3002\u53f3\u56fe\u7684\u597d\u5904\u4e0d\u53ea\u662f TVS \u9760\u8fd1\u8fde\u63a5\u5668\uff0c\u8fd8\u5305\u62ec\u5176\u8fd4\u56de\u8def\u5f84\u4e5f\u77ed\u3001\u5e76\u63a5\u5165\u5408\u9002\u7684\u53c2\u8003\u5e73\u9762\u3002<\/p>\n<h3 id=\"152-tvs\">15.2 \u5165\u53e3\u3001TVS\u3001\u540e\u7ea7\u7684\u987a\u5e8f\u8981\u660e\u786e<\/h3>\n<p>\u53ef\u4f18\u5148\u91c7\u7528\u4fbf\u4e8e\u76f4\u901a\u7684\u5e03\u7ebf\u65b9\u5f0f\uff0c\u8ba9\u5916\u90e8\u7ebf\u8def\u8fdb\u5165\u677f\u5b50\u540e\u5148\u5230\u4fdd\u62a4\u5668\u4ef6\u7684\u4f4d\u7f6e\uff0c\u518d\u8fdb\u5165\u88ab\u4fdd\u62a4\u533a\u57df\uff0c\u907f\u514d\u4ece\u4e3b\u7ebf\u4e0a\u62c9\u4e00\u6761\u5f88\u957f\u7684\u652f\u7ebf\u53bb\u627e TVS\u3002\u53c2\u8003\u5e03\u5c40\u5efa\u8bae\u8fd8\u5f3a\u8c03\uff1a\u56de\u6d41\u8fde\u63a5\u3001\u8fc7\u5b54\u4e0e\u76f8\u90bb\u8d70\u7ebf\u8026\u5408\u90fd\u4f1a\u5f71\u54cd\u6700\u7ec8\u6b8b\u538b\u3002<a href=\"https:\/\/www.ti.com\/lit\/an\/slva680\/slva680.pdf\">TI\uff1aESD \u4fdd\u62a4\u5e03\u5c40\u6307\u5357<\/a><\/p>\n<p>\u4f46\u201c\u9760\u8fd1\u63a5\u53e3\u201d\u5e76\u4e0d\u662f\u552f\u4e00\u68c0\u67e5\u9879\u3002\u82e5 TVS \u7684\u8fd4\u56de\u7aef\u7ed5\u4e86\u534a\u5757\u677f\u624d\u63a5\u5230\u6709\u6548\u56de\u6d41\u5e73\u9762\uff0c\u6216\u8005\u6070\u597d\u4e0e\u590d\u4f4d\u3001\u6676\u632f\u3001\u6a21\u62df\u8f93\u5165\u5171\u7528\u4e00\u6bb5\u7ec6\u957f\u5730\u7ebf\uff0c\u4ecd\u53ef\u80fd\u4ea7\u751f\u95ee\u9898\u3002<\/p>\n<h3 id=\"153\">15.3 \u5e03\u677f\u65f6\u6cbf\u7740\u4e00\u6574\u5708\u7535\u6d41\u8def\u5f84\u68c0\u67e5<\/h3>\n<p>\u53ef\u4ee5\u5728 PCB \u622a\u56fe\u4e0a\u753b\u51fa\uff1a\u5165\u53e3\u710a\u76d8\u2192\u4fdd\u62a4\u652f\u8def\u2192TVS\u2192\u56de\u6d41\u8fde\u63a5\u2192\u5916\u90e8\u8fd4\u56de\u8def\u5f84\u3002\u7136\u540e\u68c0\u67e5\u5b83\u662f\u5426\u7a7f\u8fc7\u654f\u611f\u533a\u3001\u662f\u5426\u6709\u660e\u663e\u74f6\u9888\u3001\u662f\u5426\u8de8\u8d8a\u5e73\u9762\u5f00\u7f1d\uff0c\u4ee5\u53ca\u662f\u5426\u4e0e\u540e\u7ea7\u5171\u7528\u9ad8\u963b\u6297\u8fde\u63a5\u3002<\/p>\n<p>\u5927\u7535\u6d41\u8def\u5f84\u65c1\u8fb9\u4e0d\u8981\u7d27\u8d34\u4e00\u6761\u6ca1\u6709\u4fdd\u62a4\u7684\u654f\u611f\u7ebf\u3002\u5373\u4f7f\u6ca1\u6709\u76f4\u63a5\u7535\u6c14\u8fde\u63a5\uff0c\u5feb\u901f\u7535\u538b\u548c\u7535\u6d41\u53d8\u5316\u4e5f\u53ef\u80fd\u901a\u8fc7\u7535\u5bb9\u3001\u7535\u611f\u8026\u5408\u5f71\u54cd\u5b83\u3002<\/p>\n<p>\u5bf9\u4e8e\u9ad8\u901f\u5dee\u5206\u7ebf\uff0c\u4fdd\u62a4\u5e03\u5c40\u540c\u65f6\u8981\u7ef4\u62a4\u4fe1\u53f7\u53c2\u8003\u5e73\u9762\u548c\u5dee\u5206\u7ed3\u6784\u3002\u4e0d\u8981\u4e3a\u4e86\u628a TVS \u5730\u5f15\u5230\u67d0\u4e2a\u9065\u8fdc\u201c\u5e72\u51c0\u5730\u201d\uff0c\u53cd\u800c\u5207\u65ad\u9ad8\u901f\u4fe1\u53f7\u56de\u6d41\u3002\u673a\u58f3\u5730\u3001\u4fe1\u53f7\u5730\u548c\u5c4f\u853d\u5982\u4f55\u8fde\u63a5\uff0c\u9700\u8981\u4f5c\u4e3a\u6574\u673a\u65b9\u6848\u51b3\u5b9a\u3002<\/p>\n<h3 id=\"154\">15.4 \u6d4b\u6b8b\u538b\u4e5f\u4f1a\u88ab\u63a2\u5934\u5e03\u5c40\u5f71\u54cd<\/h3>\n<p>\u957f\u63a2\u5934\u63a5\u5730\u7ebf\u4f1a\u5f15\u5165\u989d\u5916\u73af\u8def\uff0c\u53ef\u80fd\u628a\u6d4b\u91cf\u7ed3\u679c\u4e2d\u7684\u8fc7\u51b2\u653e\u5927\u6216\u6df7\u5165\u8026\u5408\u3002\u6d4b\u91cf\u65f6\u5e94\u4f7f\u7528\u9002\u5408\u76ee\u6807\u5e26\u5bbd\u3001\u5171\u6a21\u548c\u7535\u538b\u8303\u56f4\u7684\u65b9\u6cd5\uff0c\u660e\u786e\u6d4b\u7684\u662f TVS \u4e24\u7aef\u8fd8\u662f\u82af\u7247\u5f15\u811a\u76f8\u5bf9\u82af\u7247\u5730\u3002<\/p>\n<p>\u540c\u65f6\u8bb0\u5f55\u63a2\u5934\u578b\u53f7\u3001\u8fde\u63a5\u65b9\u5f0f\u3001\u5e26\u5bbd\u8bbe\u7f6e\u548c\u6d4b\u91cf\u4f4d\u7f6e\u3002\u5426\u5219\u4e24\u6b21\u6d4b\u8bd5\u770b\u4f3c\u6b8b\u538b\u4e0d\u540c\uff0c\u53ef\u80fd\u53ea\u662f\u6d4b\u91cf\u73af\u8def\u4e0d\u540c\uff0c\u800c\u4e0d\u662f\u5668\u4ef6\u771f\u7684\u6539\u5584\u6216\u53d8\u5dee\u3002<\/p>\n<h2 id=\"16\">16. \u5728\u7acb\u521b\u76ee\u5f55\u4e2d\u600e\u6837\u4e00\u6b65\u6b65\u7b5b\u9009\uff1f<\/h2>\n<p>\u672c\u6587\u5bf9\u5e94\u7684\u91c7\u8d2d\u5165\u53e3\u662f<a href=\"https:\/\/list.szlcsc.com\/catalog\/526.html\">\u7acb\u521b\u5546\u57ce\uff1a\u9759\u7535\u548c\u6d6a\u6d8c\u4fdd\u62a4\uff08TVS\/ESD\uff09<\/a>\u3002\u76ee\u5f55\u9002\u5408\u7f29\u5c0f\u5019\u9009\u8303\u56f4\uff0c\u6700\u7ec8\u7535\u6c14\u5224\u65ad\u4ecd\u5e94\u56de\u5230\u5382\u5bb6\u539f\u59cb\u6570\u636e\u624b\u518c\u3002\u672c\u6587\u672a\u6838\u9a8c\u8be5\u76ee\u5f55\u7684\u5b9e\u65f6\u5e93\u5b58\u548c\u4ef7\u683c\uff0c\u4e5f\u4e0d\u628a\u67d0\u4e2a\u6f14\u7b97\u53c2\u6570\u5192\u5145\u5546\u57ce\u73b0\u552e\u6599\u53f7\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/08-selection-flow.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"max-width:100%;height:auto\" loading=\"lazy\" alt=\"\u4ece\u63a5\u53e3\u9700\u6c42\u5230\u6d4b\u8bd5\u9a8c\u8bc1\u7684TVS\u548cESD\u516d\u6b65\u9009\u578b\u6d41\u7a0b\" data-original=\"https:\/\/www.oldhamburger.cn\/wp-content\/uploads\/2026\/09\/08-selection-flow.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<p>\u56fe 7\uff1a\u628a\u9009\u578b\u53d8\u6210\u516d\u6b65\u7b5b\u9009\u6d41\u7a0b\u3002\u67d0\u4e00\u6b65\u4e0d\u6ee1\u8db3\u65f6\uff0c\u9700\u8981\u8c03\u6574\u5668\u4ef6\u6216\u7535\u8def\uff0c\u800c\u4e0d\u662f\u8df3\u8fc7\u90a3\u4e00\u6b65\u3002<\/p>\n<h3 id=\"_2\">\u7b2c\u4e00\u6b65\uff1a\u5199\u51fa\u63a5\u53e3\u7684\u8fb9\u754c\u6761\u4ef6<\/h3>\n<p>\u5148\u586b\u5199\u6b63\u5e38\u6700\u9ad8\u4e0e\u6700\u4f4e\u7535\u538b\u3001\u540e\u7ea7\u5141\u8bb8\u5e94\u529b\u3001\u4fe1\u53f7\u901f\u7387\u3001\u6e29\u5ea6\u3001\u5916\u63a5\u7ebf\u7f06\u60c5\u51b5\uff0c\u4ee5\u53ca\u76ee\u6807\u5e72\u6270\u6a21\u578b\u3002\u4fe1\u606f\u4e0d\u5168\u65f6\uff0c\u628a\u672a\u77e5\u9879\u660e\u786e\u6807\u51fa\u6765\u3002\u4e00\u4e2a\u8bda\u5b9e\u7684\u201c\u5f85\u786e\u8ba4\u201d\uff0c\u6bd4\u4e00\u4e2a\u968f\u624b\u731c\u7684\u53c2\u6570\u66f4\u80fd\u5e2e\u52a9\u540e\u7eed\u8bbe\u8ba1\u3002<\/p>\n<h3 id=\"_3\">\u7b2c\u4e8c\u6b65\uff1a\u6309\u5de5\u4f5c\u7535\u538b\u3001\u6781\u6027\u4e0e\u901a\u9053\u6570\u7f29\u5c0f\u8303\u56f4<\/h3>\n<p>\u7b5b\u9009\u503c\u8981\u8986\u76d6\u6b63\u5e38\u8303\u56f4\uff0c\u4e5f\u8981\u68c0\u67e5\u6b63\u8d1f\u65b9\u5411\u548c\u53c2\u8003\u8282\u70b9\u3002\u591a\u901a\u9053\u5668\u4ef6\u53ef\u8282\u7701\u9762\u79ef\uff0c\u4f46\u8fd8\u8981\u6838\u5bf9\u6bcf\u901a\u9053\u5185\u90e8\u7ed3\u6784\uff0c\u4e0d\u8981\u53ea\u6309\u201c\u51e0\u8def\u201d\u5339\u914d\u5f15\u811a\u6570\u91cf\u3002<\/p>\n<h3 id=\"_4\">\u7b2c\u4e09\u6b65\uff1a\u4e0b\u8f7d\u5019\u9009\u5668\u4ef6\u624b\u518c\uff0c\u6284\u5b8c\u6574\u53c2\u6570<\/h3>\n<p>\u81f3\u5c11\u8bb0\u5f55 V<sub>RWM<\/sub>\u3001V<sub>BR<\/sub> \u53ca I<sub>T<\/sub>\u3001V<sub>C<\/sub> \u53ca\u7535\u6d41\/\u6ce2\u5f62\u3001I<sub>PP<\/sub>\u3001\u7535\u5bb9\u6761\u4ef6\u3001\u6f0f\u7535\u6761\u4ef6\u3001\u6e29\u5ea6\u8303\u56f4\u3001\u964d\u989d\u66f2\u7ebf\u548c\u5f15\u811a\u56fe\u3002\u5546\u57ce\u6ca1\u6709\u663e\u793a\u7684\u53c2\u6570\uff0c\u4e0d\u80fd\u9ed8\u8ba4\u4e3a\u201c\u8db3\u591f\u597d\u201d\u3002<\/p>\n<h3 id=\"_5\">\u7b2c\u56db\u6b65\uff1a\u7edf\u4e00\u6d4b\u8bd5\u6761\u4ef6\u540e\u518d\u6bd4\u8f83<\/h3>\n<p>\u6bd4\u8f83\u6d6a\u6d8c\u7535\u6d41\u4e4b\u524d\u5148\u7edf\u4e00\u6ce2\u5f62\uff0c\u6bd4\u8f83\u94b3\u4f4d\u4e4b\u524d\u5148\u7edf\u4e00\u7535\u6d41\u548c\u6e29\u5ea6\u3002\u6bd4\u8f83\u7535\u5bb9\u65f6\u68c0\u67e5\u662f\u5178\u578b\u503c\u8fd8\u662f\u6700\u5927\u503c\u3001\u5bf9\u5730\u8fd8\u662f\u7ebf\u95f4\u3001\u96f6\u504f\u8fd8\u662f\u67d0\u4e2a\u76f4\u6d41\u504f\u7f6e\u3002\u6761\u4ef6\u65e0\u6cd5\u7edf\u4e00\u65f6\uff0c\u628a\u201c\u7f3a\u5c11\u53ef\u6bd4\u6570\u636e\u201d\u5199\u5728\u5019\u9009\u8868\u91cc\uff0c\u5411\u5382\u5bb6\u7d22\u53d6\u6216\u5b89\u6392\u9a8c\u8bc1\u3002<\/p>\n<h3 id=\"_6\">\u7b2c\u4e94\u6b65\uff1a\u68c0\u67e5\u5c01\u88c5\u3001\u710a\u76d8\u548c\u4f9b\u5e94\u4fe1\u606f<\/h3>\n<p>\u540c\u4e00\u7535\u6c14\u7cfb\u5217\u53ef\u80fd\u6709\u4e0d\u540c\u5c01\u88c5\u548c\u540e\u7f00\uff1b\u540c\u540d\u4e0d\u540c\u5382\u5bb6\u7684\u5668\u4ef6\u4e5f\u4e0d\u4fdd\u8bc1\u5b8c\u5168\u7b49\u6548\u3002\u67e5\u770b\u5305\u88c5\u3001\u710a\u63a5\u8981\u6c42\u3001\u6e29\u5ea6\u7b49\u7ea7\u548c\u5b8c\u6574\u6599\u53f7\uff0c\u518d\u786e\u8ba4\u53ef\u91c7\u8d2d\u6027\u3001\u4ea4\u671f\u4e0e\u66ff\u4ee3\u6599\u3002<\/p>\n<p>\u5c0f\u5c01\u88c5\u6709\u5229\u4e8e\u7f29\u77ed\u8fde\u63a5\uff0c\u4f46\u4e0d\u81ea\u52a8\u4ee3\u8868\u66f4\u9ad8\u6d6a\u6d8c\u80fd\u529b\uff1b\u5927\u5c01\u88c5\u53ef\u80fd\u4fbf\u4e8e\u5904\u7406\u8f83\u9ad8\u5e94\u529b\uff0c\u4f46\u4e0d\u81ea\u52a8\u9002\u5408\u9ad8\u901f\u7ebf\u3002\u5c01\u88c5\u5c3a\u5bf8\u662f\u7ea6\u675f\u4e4b\u4e00\uff0c\u4e0d\u80fd\u4ee3\u66ff\u7535\u6c14\u53c2\u6570\u3002<\/p>\n<h3 id=\"_7\">\u7b2c\u516d\u6b65\uff1a\u7559\u4e0b\u4e24\u4e09\u79cd\u6709\u4f9d\u636e\u7684\u5019\u9009\uff0c\u800c\u4e0d\u662f\u76f2\u9009\u6700\u4f4e\u4ef7<\/h3>\n<p>\u91c7\u8d2d\u5019\u9009\u8868\u53ef\u91c7\u7528\u4e0b\u9762\u7684\u7ed3\u6784\uff1a<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th>\u9879\u76ee<\/th>\n<th>\u5019\u9009 A<\/th>\n<th>\u5019\u9009 B<\/th>\n<th>\u5224\u5b9a\u89c4\u5219<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5b8c\u6574\u5382\u5bb6\u4e0e\u6599\u53f7<\/td>\n<td>\u5f85\u586b<\/td>\n<td>\u5f85\u586b<\/td>\n<td>\u540e\u7f00\u548c\u5c01\u88c5\u5fc5\u987b\u660e\u786e<\/td>\n<\/tr>\n<tr>\n<td>V<sub>RWM<\/sub>\u3001\u6781\u6027<\/td>\n<td>\u5f85\u586b<\/td>\n<td>\u5f85\u586b<\/td>\n<td>\u8986\u76d6\u6b63\u5e38\u5de5\u4f5c\u8303\u56f4<\/td>\n<\/tr>\n<tr>\n<td>V<sub>C,max<\/sub> \u4e0e\u6761\u4ef6<\/td>\n<td>\u5f85\u586b<\/td>\n<td>\u5f85\u586b<\/td>\n<td>\u6ee1\u8db3\u540e\u7ea7\u7535\u538b\u9884\u7b97<\/td>\n<\/tr>\n<tr>\n<td>I<sub>PP<\/sub> \u4e0e\u6ce2\u5f62<\/td>\n<td>\u5f85\u586b<\/td>\n<td>\u5f85\u586b<\/td>\n<td>\u540c\u6761\u4ef6\u4e0b\u5177\u5907\u8db3\u591f\u80fd\u529b<\/td>\n<\/tr>\n<tr>\n<td>\u6700\u9ad8\u6e29\u5ea6\u4e0b\u80fd\u529b<\/td>\n<td>\u5f85\u586b<\/td>\n<td>\u5f85\u586b<\/td>\n<td>\u5b8c\u6210\u964d\u989d\u6838\u67e5<\/td>\n<\/tr>\n<tr>\n<td>\u7535\u5bb9\u4e0e\u6f0f\u7535<\/td>\n<td>\u5f85\u586b<\/td>\n<td>\u5f85\u586b<\/td>\n<td>\u6ee1\u8db3\u901a\u4fe1\u548c\u7cbe\u5ea6\u9884\u7b97<\/td>\n<\/tr>\n<tr>\n<td>PCB \u4e0e\u5f15\u811a\u517c\u5bb9\u6027<\/td>\n<td>\u5f85\u586b<\/td>\n<td>\u5f85\u586b<\/td>\n<td>\u80fd\u5f62\u6210\u5408\u7406\u4fdd\u62a4\u56de\u8def<\/td>\n<\/tr>\n<tr>\n<td>\u4ef7\u683c\u3001\u5e93\u5b58\u3001\u4ea4\u671f<\/td>\n<td>\u67e5\u8be2\u65f6\u586b\u5199<\/td>\n<td>\u67e5\u8be2\u65f6\u586b\u5199<\/td>\n<td>\u4e0d\u66ff\u4ee3\u7535\u6c14\u5408\u683c\u6761\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>\u672a\u786e\u8ba4\u9879<\/td>\n<td>\u660e\u786e\u5217\u51fa<\/td>\n<td>\u660e\u786e\u5217\u51fa<\/td>\n<td>\u672a\u786e\u8ba4\u4e0d\u80fd\u5199\u201c\u901a\u8fc7\u201d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"17\">17. \u5982\u4f55\u9a8c\u8bc1\uff1a\u4ece\u201c\u7eb8\u9762\u5408\u9002\u201d\u5230\u201c\u677f\u4e0a\u53ef\u7528\u201d<\/h2>\n<h3 id=\"171\">17.1 \u5148\u9a8c\u8bc1\u6b63\u5e38\u5de5\u4f5c\u4e0d\u53d7\u5f71\u54cd<\/h3>\n<p>\u5728\u6ca1\u6709\u65bd\u52a0\u51b2\u51fb\u524d\uff0c\u6d4b\u91cf\u4e0d\u540c\u8f93\u5165\u7535\u538b\u3001\u8d1f\u8f7d\u548c\u6e29\u5ea6\u4e0b\u7684\u6b63\u5e38\u8868\u73b0\u3002\u7535\u6e90\u4fa7\u770b\u538b\u964d\u3001\u6f0f\u7535\u3001\u542f\u52a8\u4e0e\u6e29\u5347\uff1b\u6570\u5b57\u63a5\u53e3\u770b\u8fb9\u6cbf\u3001\u901a\u4fe1\u9519\u8bef\u548c\u5de5\u4f5c\u8ddd\u79bb\uff1b\u9ad8\u901f\u63a5\u53e3\u6309\u9700\u6c42\u770b\u773c\u56fe\u548c\u94fe\u8def\u8d28\u91cf\uff1b\u6a21\u62df\u4fa7\u770b\u504f\u79fb\u3001\u566a\u58f0\u4e0e\u5efa\u7acb\u65f6\u95f4\u3002<\/p>\n<p>\u8fd9\u4e00\u6b65\u5f88\u91cd\u8981\uff0c\u56e0\u4e3a\u4fdd\u62a4\u65b9\u6848\u4e0d\u80fd\u9760\u727a\u7272\u6b63\u5e38\u529f\u80fd\u6765\u201c\u901a\u8fc7\u9632\u62a4\u201d\u3002\u4f8b\u5982\u628a\u7535\u5bb9\u52a0\u5f97\u975e\u5e38\u5927\uff0c\u9759\u7535\u73b0\u8c61\u53ef\u80fd\u7f13\u548c\u4e86\uff0c\u4f46\u901a\u4fe1\u4e5f\u5df2\u7ecf\u4e0d\u6ee1\u8db3\u8981\u6c42\u3002<\/p>\n<h3 id=\"172\">17.2 \u518d\u6309\u76ee\u6807\u6761\u4ef6\u68c0\u67e5\u5e72\u6270<\/h3>\n<p>\u6d4b\u8bd5\u8bb0\u5f55\u5e94\u5305\u62ec\u7aef\u53e3\u3001\u6781\u6027\u3001\u8026\u5408\u65b9\u5f0f\u3001\u7b49\u7ea7\u3001\u6b21\u6570\u3001\u95f4\u9694\u3001\u4f9b\u7535\u72b6\u6001\u3001\u7ebf\u7f06\u5e03\u7f6e\u548c\u6027\u80fd\u5224\u636e\u3002\u6b63\u5411\u901a\u8fc7\u4e0d\u80fd\u4ee3\u66ff\u8d1f\u5411\u901a\u8fc7\uff0c\u5355\u4e2a\u7aef\u53e3\u901a\u8fc7\u4e5f\u4e0d\u80fd\u4ee3\u66ff\u6240\u6709\u53ef\u63a5\u89e6\u4f4d\u7f6e\u901a\u8fc7\u3002<\/p>\n<p>\u677f\u7ea7\u8c03\u8bd5\u53ef\u4ee5\u89c2\u5bdf\u6b8b\u538b\u548c\u529f\u80fd\uff0c\u6b63\u5f0f\u7b26\u5408\u6027\u7ed3\u8bba\u5219\u5e94\u6765\u81ea\u9002\u7528\u8981\u6c42\u4e0b\u7684\u5b8c\u6574\u6d4b\u8bd5\u3002\u4e0d\u8981\u7528\u6253\u706b\u673a\u70b9\u706b\u5668\u6216\u5176\u4ed6\u4e0d\u53ef\u91cd\u590d\u7684\u653e\u7535\u6e90\uff0c\u66ff\u4ee3\u6807\u51c6\u7b49\u7ea7\u7684\u9a8c\u8bc1\u7ed3\u679c\uff1b\u4e24\u8005\u7f3a\u5c11\u53ef\u6bd4\u7684\u6ce2\u5f62\u4e0e\u6821\u51c6\u6761\u4ef6\u3002<\/p>\n<h3 id=\"173\">17.3 \u6d4b\u8bd5\u540e\u8fd8\u8981\u590d\u67e5\u7535\u6c14\u53c2\u6570<\/h3>\n<p>\u6bcf\u8f6e\u6d4b\u8bd5\u540e\uff0c\u9664\u68c0\u67e5\u901a\u4fe1\u548c\u529f\u80fd\uff0c\u8fd8\u53ef\u5bf9\u6bd4\u9759\u6001\u529f\u8017\u3001\u5173\u952e\u8282\u70b9\u6f0f\u7535\u3001\u8f93\u5165\u963b\u6297\u548c\u6a21\u62df\u7cbe\u5ea6\u3002\u82e5\u53c2\u6570\u6301\u7eed\u6f02\u79fb\uff0c\u5373\u4fbf\u5f53\u65f6\u6ca1\u6709\u6b7b\u673a\uff0c\u4e5f\u8981\u89c6\u4e3a\u9700\u8981\u8c03\u67e5\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u5982\u679c TVS \u660e\u663e\u53d1\u70ed\uff0c\u5148\u533a\u5206\u5b83\u662f\u5728\u6b63\u5e38\u72b6\u6001\u6301\u7eed\u6f0f\u7535\uff0c\u8fd8\u662f\u53ea\u5728\u89c4\u5b9a\u51b2\u51fb\u65f6\u5438\u6536\u80fd\u91cf\u3002\u524d\u8005\u53ef\u80fd\u63d0\u793a\u5de5\u4f5c\u7535\u538b\u4e0d\u8db3\u3001\u63a5\u53cd\u3001\u8d1f\u5411\u5408\u6cd5\u4fe1\u53f7\u88ab\u94b3\u4f4d\u6216\u5668\u4ef6\u5df2\u635f\u4f24\uff1b\u540e\u8005\u5219\u9700\u8981\u68c0\u67e5\u6ce2\u5f62\u80fd\u529b\u548c\u70ed\u6062\u590d\u6761\u4ef6\u3002<\/p>\n<h2 id=\"18\">18. \u5e38\u89c1\u8bef\u533a\u4e0e\u6545\u969c\u6392\u67e5<\/h2>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th>\u73b0\u8c61\u6216\u8bf4\u6cd5<\/th>\n<th>\u53ef\u80fd\u7684\u95ee\u9898<\/th>\n<th>\u4f18\u5148\u68c0\u67e5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u201c5V TVS \u5c31\u80fd\u4fdd\u62a4\u6240\u6709 5V \u82af\u7247\u201d<\/td>\n<td>\u6df7\u6dc6\u5de5\u4f5c\u7535\u538b\u4e0e\u94b3\u4f4d\u7535\u538b<\/td>\n<td>\u76ee\u6807\u7535\u6d41\u4e0b\u7684\u6b8b\u538b\u548c\u82af\u7247\u8010\u53d7<\/td>\n<\/tr>\n<tr>\n<td>TVS \u6ca1\u574f\uff0c\u82af\u7247\u574f\u4e86<\/td>\n<td>\u6b8b\u538b\u8fc7\u9ad8\u3001\u5e03\u5c40\u8fc7\u51b2\u6216\u56de\u6d41\u4e0d\u826f<\/td>\n<td>\u82af\u7247\u5f15\u811a\u76f8\u5bf9\u5176\u5730\u7684\u77ac\u6001\u7535\u538b<\/td>\n<\/tr>\n<tr>\n<td>\u52a0\u4e86 TVS \u540e\u901a\u4fe1\u53d8\u5dee<\/td>\n<td>\u7535\u5bb9\u3001\u6f0f\u7535\u3001\u5c01\u88c5\u6216\u8d70\u7ebf\u6539\u53d8<\/td>\n<td>\u4e0a\u5347\u6cbf\u3001\u773c\u56fe\u3001\u6ce2\u5f62\u548c\u901a\u9053\u5339\u914d<\/td>\n<\/tr>\n<tr>\n<td>\u5e73\u65f6 TVS \u5c31\u53d1\u70ed<\/td>\n<td>\u6b63\u5e38\u7535\u538b\u8d8a\u754c\u3001\u6781\u6027\u9519\u8bef\u6216\u6545\u969c<\/td>\n<td>\u5b9e\u9645\u6700\u9ad8\u7535\u538b\u3001\u63a5\u7ebf\u3001\u6f0f\u7535<\/td>\n<\/tr>\n<tr>\n<td>\u6362\u66f4\u5927\u529f\u7387\u578b\u53f7\u4ecd\u5931\u6548<\/td>\n<td>\u80fd\u529b\u4e0d\u8db3\u4ee5\u5916\u8fd8\u6709\u7535\u538b\u7a97\u53e3\u95ee\u9898<\/td>\n<td>V<sub>C<\/sub>\u3001\u524d\u6cbf\u8fc7\u51b2\u548c\u6e90\u963b\u6297<\/td>\n<\/tr>\n<tr>\n<td>\u201c\u5668\u4ef6 30kV\uff0c\u6574\u673a\u4e00\u5b9a\u8fc7 8kV\u201d<\/td>\n<td>\u5668\u4ef6\u8010\u53d7\u4e0e\u7cfb\u7edf\u4fdd\u62a4\u6df7\u4e3a\u4e00\u8c08<\/td>\n<td>\u6574\u673a\u8026\u5408\u8def\u5f84\u3001\u529f\u80fd\u4e0e\u5b9e\u9645\u6b8b\u538b<\/td>\n<\/tr>\n<tr>\n<td>\u4e00\u6b21\u901a\u8fc7\uff0c\u591a\u6b21\u540e\u5f02\u5e38<\/td>\n<td>\u91cd\u590d\u70ed\u5e94\u529b\u3001\u9000\u5316\u6216\u4e0d\u540c\u653e\u7535\u8def\u5f84<\/td>\n<td>\u95f4\u9694\u3001\u6e29\u5ea6\u3001\u51b2\u51fb\u540e\u53c2\u6570<\/td>\n<\/tr>\n<tr>\n<td>\u53ea\u5728\u65ad\u7535\u63d2\u7ebf\u65f6\u51fa\u95ee\u9898<\/td>\n<td>\u6389\u7535\u6ce8\u5165\u3001\u53cd\u5411\u4f9b\u7535\u6216\u521d\u59cb\u6761\u4ef6\u53d8\u5316<\/td>\n<td>\u9635\u5217\u5185\u90e8\u7ed3\u6784\u548c\u672a\u4f9b\u7535\u72b6\u6001<\/td>\n<\/tr>\n<tr>\n<td>\u201c600W \u6bd4 400W \u4e00\u5b9a\u597d\u201d<\/td>\n<td>\u5ffd\u7565\u6ce2\u5f62\u3001\u6e29\u5ea6\u548c\u94b3\u4f4d\u5dee\u5f02<\/td>\n<td>\u540c\u6761\u4ef6\u7684\u53ef\u6bd4\u53c2\u6570<\/td>\n<\/tr>\n<tr>\n<td>\u53cc\u5411 TVS \u5f53\u53cd\u63a5\u4fdd\u62a4\u7528<\/td>\n<td>\u6ca1\u6709\u771f\u6b63\u963b\u65ad\u53cd\u5411\u4f9b\u7535<\/td>\n<td>\u4e32\u8054\u53cd\u63a5\u4fdd\u62a4\u67b6\u6784<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 id=\"181\">18.1 \u6392\u67e5\u65f6\u5148\u786e\u8ba4\u5931\u6548\u8def\u5f84<\/h3>\n<p>\u4e0d\u8981\u53ea\u51ed\u201c\u6253\u5b8c\u9759\u7535\u5c31\u574f\u4e86\u201d\u6765\u51b3\u5b9a\u66f4\u6362 TVS\u3002\u5148\u68c0\u67e5\u51b2\u51fb\u4ece\u54ea\u91cc\u8fdb\u5165\uff0c\u635f\u574f\u7684\u662f\u54ea\u4e2a\u5668\u4ef6\u3001\u54ea\u4e2a\u5f15\u811a\uff0c\u662f\u5426\u6709\u5916\u58f3\u6216\u7ebf\u7f06\u9020\u6210\u65c1\u8def\uff1b\u518d\u68c0\u67e5 TVS \u662f\u5426\u5b9e\u9645\u53c2\u4e0e\u5206\u6d41\u3002<\/p>\n<p>\u5982\u679c\u653e\u7535\u4e3b\u8981\u901a\u8fc7\u5c4f\u853d\u58f3\u8026\u5408\u5230\u590d\u4f4d\u7ebf\uff0c\u6362\u6570\u636e\u7ebf\u4e0a\u66f4\u5927\u7684 TVS \u672a\u5fc5\u6709\u6548\u3002\u5982\u679c TVS \u63a5\u5730\u8def\u5f84\u65ad\u5f00\uff0c\u5355\u72ec\u6bd4\u8f83\u5668\u4ef6\u6570\u636e\u4e5f\u627e\u4e0d\u5230\u771f\u6b63\u539f\u56e0\u3002\u6545\u969c\u5b9a\u4f4d\u5e94\u628a\u7535\u8def\u56fe\u3001PCB\u3001\u673a\u68b0\u7ed3\u6784\u548c\u6d4b\u8bd5\u63a5\u6cd5\u4e00\u8d77\u770b\u3002<\/p>\n<h3 id=\"182\">18.2 \u6bcf\u6b21\u53ea\u6539\u53d8\u6709\u660e\u786e\u4f9d\u636e\u7684\u56e0\u7d20<\/h3>\n<p>\u4f8b\u5982\u5148\u7f29\u77ed\u56de\u6d41\u8def\u5f84\u3001\u4fdd\u6301\u5668\u4ef6\u4e0d\u53d8\uff0c\u89c2\u5bdf\u6b8b\u538b\u4e0e\u529f\u80fd\u662f\u5426\u6539\u5584\uff1b\u6216\u8005\u4fdd\u6301\u5e03\u5c40\u4e0d\u53d8\uff0c\u5bf9\u6bd4\u76f8\u540c\u5de5\u4f5c\u7535\u538b\u4e0b\u66f4\u4f4e\u6b8b\u538b\u7684\u5019\u9009\u3002\u82e5\u4e00\u6b21\u540c\u65f6\u6539 TVS\u3001\u7535\u5bb9\u3001\u4e0a\u62c9\u3001\u63a5\u5730\u548c\u8f6f\u4ef6\uff0c\u5f88\u96be\u5224\u65ad\u54ea\u4e2a\u56e0\u7d20\u8d77\u4f5c\u7528\uff0c\u4e5f\u4e0d\u5229\u4e8e\u540e\u7eed\u91cf\u4ea7\u7ef4\u62a4\u3002<\/p>\n<h2 id=\"19\">19. \u4e00\u5f20\u53ef\u590d\u7528\u7684\u9009\u578b\u8bb0\u5f55\u5355<\/h2>\n<p>\u4e0b\u9762\u7684\u6a21\u677f\u9002\u5408\u5728\u6bcf\u4e2a\u5916\u90e8\u63a5\u53e3\u8bbe\u8ba1\u65f6\u590d\u5236\u4e00\u4efd\u3002\u5b8c\u6210\u540e\uff0c\u5b83\u5e94\u8be5\u80fd\u8ba9\u53e6\u4e00\u4f4d\u5de5\u7a0b\u5e08\u590d\u73b0\u4f60\u7684\u5224\u65ad\uff0c\u800c\u4e0d\u53ea\u770b\u5230\u4e00\u4e2a\u6599\u53f7\u3002<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th>\u5206\u7c7b<\/th>\n<th>\u9700\u8981\u586b\u5199\u7684\u5185\u5bb9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u57fa\u672c\u4fe1\u606f<\/td>\n<td>\u4ea7\u54c1\u3001\u7aef\u53e3\u540d\u79f0\u3001\u539f\u7406\u56fe\u7248\u672c\u3001PCB \u7248\u672c\u3001\u65e5\u671f<\/td>\n<\/tr>\n<tr>\n<td>\u6b63\u5e38\u7535\u538b<\/td>\n<td>\u6700\u5927\u503c\u3001\u6700\u5c0f\u503c\u3001\u5bb9\u5dee\u3001\u7eb9\u6ce2\u3001\u5171\u6a21\u8303\u56f4\u3001\u6389\u7535\u72b6\u6001<\/td>\n<\/tr>\n<tr>\n<td>\u6b63\u5e38\u529f\u80fd<\/td>\n<td>\u8d1f\u8f7d\u7535\u6d41\u3001\u4fe1\u53f7\u901f\u7387\u3001\u4e0a\u5347\u65f6\u95f4\u3001\u7cbe\u5ea6\u3001\u5141\u8bb8\u538b\u964d<\/td>\n<\/tr>\n<tr>\n<td>\u540e\u7ea7\u8fb9\u754c<\/td>\n<td>\u63a8\u8350\u5de5\u4f5c\u8303\u56f4\u3001\u7edd\u5bf9\u6700\u5927\u503c\u3001\u5382\u5bb6\u7ed9\u51fa\u7684\u77ac\u6001\/\u6ce8\u5165\u9650\u5236<\/td>\n<\/tr>\n<tr>\n<td>\u5916\u90e8\u5a01\u80c1<\/td>\n<td>\u91c7\u7528\u7684\u6d4b\u8bd5\u8981\u6c42\u3001\u6ce2\u5f62\u3001\u6e90\u963b\u6297\u3001\u8026\u5408\u3001\u6781\u6027\u3001\u6b21\u6570<\/td>\n<\/tr>\n<tr>\n<td>\u7535\u538b\u8ba1\u7b97<\/td>\n<td>V<sub>RWM<\/sub> \u7b5b\u9009\u503c\u3001\u76ee\u6807\u7535\u6d41\u4e0b\u6b8b\u538b\u3001\u5bc4\u751f\u4e0e\u88d5\u91cf\u9884\u7b97<\/td>\n<\/tr>\n<tr>\n<td>\u70ed\u4e0e\u80fd\u91cf<\/td>\n<td>\u5355\u6b21\u8109\u51b2\u80fd\u529b\u3001\u6e29\u5ea6\u964d\u989d\u3001\u91cd\u590d\u6761\u4ef6\u3001\u6563\u70ed\u8fb9\u754c<\/td>\n<\/tr>\n<tr>\n<td>\u4fe1\u53f7\u9884\u7b97<\/td>\n<td>\u7535\u5bb9\u3001\u6f0f\u7535\u3001\u63d2\u635f\/\u773c\u56fe\u8981\u6c42\u3001\u901a\u9053\u5339\u914d<\/td>\n<\/tr>\n<tr>\n<td>\u7ed3\u6784\u4e0e\u5e03\u5c40<\/td>\n<td>\u5165\u4fb5\u70b9\u3001\u5206\u6d41\u56de\u8def\u3001\u56de\u6d41\u5e73\u9762\u3001\u673a\u58f3\u4e0e\u4fe1\u53f7\u5730\u5173\u7cfb<\/td>\n<\/tr>\n<tr>\n<td>\u5668\u4ef6\u8d44\u6599<\/td>\n<td>\u5b8c\u6574\u6599\u53f7\u3001\u624b\u518c\u7248\u672c\u3001\u5173\u952e\u8868\u683c\u548c\u66f2\u7ebf\u6240\u5728\u9875<\/td>\n<\/tr>\n<tr>\n<td>\u5b9e\u6d4b\u7ed3\u679c<\/td>\n<td>\u6d4b\u91cf\u4f4d\u7f6e\u3001\u63a2\u5934\u3001\u6ce2\u5f62\u3001\u529f\u80fd\u8868\u73b0\u3001\u6d4b\u8bd5\u540e\u53c2\u6570<\/td>\n<\/tr>\n<tr>\n<td>\u7ed3\u8bba<\/td>\n<td>\u53ef\u7528\u3001\u5f85\u9a8c\u8bc1\u6216\u6dd8\u6c70\uff0c\u5e76\u5199\u660e\u7406\u7531\u548c\u672a\u8986\u76d6\u6761\u4ef6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u521d\u5b66\u8005\u53ef\u4ee5\u5148\u628a\u6240\u6709\u201c\u5f85\u786e\u8ba4\u201d\u5217\u51fa\u6765\uff0c\u518d\u9010\u9879\u8865\u9f50\u3002\u6210\u719f\u7684\u9009\u578b\u4e0d\u662f\u6bcf\u4e2a\u6570\u5b57\u90fd\u663e\u5f97\u6f02\u4eae\uff0c\u800c\u662f\u6bcf\u4e2a\u5224\u65ad\u90fd\u6709\u5bf9\u5e94\u7684\u6761\u4ef6\u548c\u8bc1\u636e\u3002<\/p>\n<h2 id=\"20\">20. \u4e94\u9053\u7ec3\u4e60\u9898\uff0c\u68c0\u67e5\u81ea\u5df1\u662f\u5426\u771f\u6b63\u7406\u89e3<\/h2>\n<h3 id=\"1-12v-144v-12v-tvs\">\u9898 1\uff1a\u8f93\u5165\u6807\u79f0 12V\uff0c\u6700\u9ad8\u5141\u8bb8\u6b63\u5e38\u5230 14.4V\uff0c\u9009 12V \u5de5\u4f5c\u7535\u538b\u7684 TVS \u5408\u9002\u5417\uff1f<\/h3>\n<p>\u4e0d\u80fd\u4ec5\u51ed\u6807\u79f0\u7535\u538b\u8ba4\u4e3a\u5408\u9002\u3002\u5e94\u6309 14.4V \u6b63\u5e38\u4e0a\u9650\u53ca\u5fc5\u8981\u88d5\u91cf\u68c0\u67e5\u5de5\u4f5c\u7535\u538b\u548c\u6f0f\u7535\uff0c\u540c\u65f6\u4fdd\u8bc1\u5347\u9ad8\u5de5\u4f5c\u7535\u538b\u540e\u4ecd\u6709\u8db3\u591f\u7684\u94b3\u4f4d\u7a97\u53e3\u3002\u4e0b\u4e00\u6b65\u8fd8\u8981\u77e5\u9053\u540e\u7ea7\u8010\u538b\u548c\u76ee\u6807\u51b2\u51fb\u6761\u4ef6\u3002<\/p>\n<h3 id=\"2-1000w\">\u9898 2\uff1a\u4e24\u9897\u5668\u4ef6\u90fd\u5199 1000W\uff0c\u662f\u5426\u53ef\u4ee5\u4e92\u76f8\u66ff\u4ee3\uff1f<\/h3>\n<p>\u4e0d\u80fd\u3002\u8fd8\u8981\u6bd4\u8f83\u6ce2\u5f62\u3001\u6e29\u5ea6\u3001V<sub>RWM<\/sub>\u3001V<sub>C<\/sub>\u3001\u7535\u6d41\u3001\u7535\u5bb9\u3001\u6781\u6027\u3001\u5c01\u88c5\u548c\u5f15\u811a\u3002\u7279\u522b\u662f\u529f\u7387\u76f8\u540c\uff0c\u4e0d\u4ee3\u8868\u5141\u8bb8\u7535\u6d41\u76f8\u540c\uff0c\u56e0\u4e3a\u529f\u7387\u7ea6\u7b49\u4e8e\u8be5\u5de5\u4f5c\u70b9\u7684\u7535\u538b\u4e58\u7535\u6d41\u3002<\/p>\n<h3 id=\"3-45v-40v\">\u9898 3\uff1a\u67d0\u4fdd\u62a4\u65b9\u6848\u628a\u8282\u70b9\u94b3\u5728 45V\uff0c\u540e\u7ea7\u7edd\u5bf9\u6700\u5927\u503c 40V\uff0c\u53ef\u4ee5\u56e0\u4e3a\u8109\u51b2\u77ed\u5c31\u5ffd\u7565\u5417\uff1f<\/h3>\n<p>\u4e0d\u80fd\u81ea\u884c\u5ffd\u7565\u3002\u9700\u8981\u964d\u4f4e\u6b8b\u538b\u6216\u6539\u53d8\u4fdd\u62a4\u67b6\u6784\uff1b\u82e5\u60f3\u5229\u7528\u540e\u7ea7\u7684\u77ed\u65f6\u8010\u53d7\uff0c\u5fc5\u987b\u53d6\u5f97\u5bf9\u5e94\u6761\u4ef6\u4e0b\u7684\u5382\u5bb6\u4f9d\u636e\u5e76\u5b8c\u6210\u7cfb\u7edf\u9a8c\u8bc1\u3002\u7f3a\u4e4f\u8bc1\u636e\u65f6\uff0c\u5e94\u6309\u4e0d\u6ee1\u8db3\u5904\u7406\u3002<\/p>\n<h3 id=\"4tvs-1nh-5ans\">\u9898 4\uff1aTVS \u652f\u8def\u7535\u611f 1nH\uff0c\u7535\u6d41\u53d8\u5316\u7387 5A\/ns\uff0c\u9644\u52a0\u538b\u964d\u91cf\u7ea7\u662f\u591a\u5c11\uff1f<\/h3>\n<p>V = L \u00d7 di\/dt = 1 \u00d7 10<sup>\u22129<\/sup> \u00d7 5 \u00d7 10<sup>9<\/sup> = 5V\u3002\u7ed3\u679c\u8bf4\u660e\u5728\u5feb\u901f\u77ac\u6001\u4e0b\uff0c\u7eb3\u4ea8\u7ea7\u5bc4\u751f\u4e5f\u503c\u5f97\u5173\u6ce8\u3002<\/p>\n<h3 id=\"5-200k-50na\">\u9898 5\uff1a\u67d0\u9ad8\u963b\u8f93\u5165\u7b49\u6548\u6e90\u7535\u963b 200k\u03a9\uff0c\u4fdd\u62a4\u6f0f\u7535\u6700\u574f\u4e3a 50nA\uff0c\u4f1a\u5f15\u5165\u591a\u5927\u8bef\u5dee\u91cf\u7ea7\uff1f<\/h3>\n<p>\u7ea6\u4e3a 50 \u00d7 10<sup>\u22129<\/sup> \u00d7 200 \u00d7 10\u00b3 = 0.01V\uff0c\u5373 10mV\u3002\u5b9e\u9645\u7b26\u53f7\u4e0e\u5927\u5c0f\u8fd8\u8981\u6309\u8f93\u5165\u7f51\u7edc\u5206\u6790\u3002\u82e5\u603b\u7cbe\u5ea6\u9884\u7b97\u53ea\u6709\u51e0\u6beb\u4f0f\uff0c\u8fd9\u4e2a\u5019\u9009\u5c31\u9700\u8981\u8fdb\u4e00\u6b65\u4f18\u5316\u3002<\/p>\n<h2 id=\"21\">21. \u5165\u95e8\u672f\u8bed\u8868<\/h2>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th>\u672f\u8bed<\/th>\n<th>\u7528\u4e00\u53e5\u8bdd\u7406\u89e3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u77ac\u6001<\/td>\n<td>\u76f8\u5bf9\u6b63\u5e38\u5de5\u4f5c\u8fc7\u7a0b\u5f88\u77ed\u7684\u4e00\u6bb5\u53d8\u5316<\/td>\n<\/tr>\n<tr>\n<td>\u94b3\u4f4d<\/td>\n<td>\u901a\u8fc7\u5bfc\u901a\u5206\u6d41\u7b49\u65b9\u5f0f\u9650\u5236\u8282\u70b9\u7535\u538b<\/td>\n<\/tr>\n<tr>\n<td>\u6b8b\u538b<\/td>\n<td>\u4fdd\u62a4\u52a8\u4f5c\u4ee5\u540e\uff0c\u76f8\u5173\u8282\u70b9\u4ecd\u7136\u627f\u53d7\u7684\u7535\u538b<\/td>\n<\/tr>\n<tr>\n<td>\u96ea\u5d29<\/td>\n<td>\u534a\u5bfc\u4f53\u7ed3\u5728\u76f8\u5e94\u53cd\u5411\u7535\u573a\u4e0b\u53d1\u751f\u7684\u4e00\u79cd\u5f3a\u5bfc\u7535\u673a\u5236<\/td>\n<\/tr>\n<tr>\n<td>\u56de\u6d41\u8def\u5f84<\/td>\n<td>\u7535\u6d41\u4ece\u8fdb\u5165\u70b9\u7ecf\u8fc7\u7535\u8def\u540e\u8fd4\u56de\u6e90\u7684\u5b9e\u9645\u8def\u5f84<\/td>\n<\/tr>\n<tr>\n<td>\u5171\u6a21<\/td>\n<td>\u591a\u6761\u7ebf\u8def\u76f8\u5bf9\u5171\u540c\u53c2\u8003\u8282\u70b9\u4e00\u8d77\u53d8\u5316\u7684\u6210\u5206<\/td>\n<\/tr>\n<tr>\n<td>\u5dee\u6a21<\/td>\n<td>\u4e24\u6761\u7ebf\u8def\u4e4b\u95f4\u7684\u5dee\u503c\u53d8\u5316\u6210\u5206<\/td>\n<\/tr>\n<tr>\n<td>\u52a8\u6001\u7535\u963b<\/td>\n<td>\u5bfc\u901a\u533a\u7535\u538b\u589e\u91cf\u4e0e\u7535\u6d41\u589e\u91cf\u7684\u6bd4\u503c<\/td>\n<\/tr>\n<tr>\n<td>\u7ed3\u7535\u5bb9<\/td>\n<td>\u5668\u4ef6\u7ed3\u7ed3\u6784\u8868\u73b0\u51fa\u7684\u7535\u5bb9\uff0c\u4e0d\u7b49\u4e8e\u989d\u5916\u5e76\u8054\u7684\u7406\u60f3\u5e38\u6570\u7535\u5bb9<\/td>\n<\/tr>\n<tr>\n<td>\u964d\u989d<\/td>\n<td>\u5728\u6e29\u5ea6\u7b49\u6761\u4ef6\u53d8\u5dee\u65f6\uff0c\u51cf\u5c0f\u5141\u8bb8\u4f7f\u7528\u7684\u80fd\u529b<\/td>\n<\/tr>\n<tr>\n<td>TLP<\/td>\n<td>\u4f20\u8f93\u7ebf\u8109\u51b2\u6d4b\u8bd5\uff0c\u7528\u4e8e\u8868\u5f81\u4e00\u5b9a\u6761\u4ef6\u4e0b\u7684\u77ac\u6001\u7535\u538b\u2014\u7535\u6d41\u7279\u6027<\/td>\n<\/tr>\n<tr>\n<td>SOA<\/td>\n<td>\u5b89\u5168\u5de5\u4f5c\u533a\uff0c\u63cf\u8ff0\u5668\u4ef6\u5728\u7535\u538b\u3001\u7535\u6d41\u548c\u65f6\u95f4\u7ec4\u5408\u4e0b\u7684\u5141\u8bb8\u8303\u56f4<\/td>\n<\/tr>\n<tr>\n<td>\u5178\u578b\u503c<\/td>\n<td>\u5177\u6709\u4ee3\u8868\u6027\u7684\u6027\u80fd\uff0c\u901a\u5e38\u4e0d\u80fd\u66ff\u4ee3\u4fdd\u8bc1\u7684\u6700\u5927\/\u6700\u5c0f\u8fb9\u754c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"22\">22. \u9009\u578b\u65f6\u771f\u6b63\u8981\u5e26\u8d70\u7684\u5224\u65ad\u987a\u5e8f<\/h2>\n<p>\u5148\u660e\u786e\u6b63\u5e38\u7535\u538b\u548c\u5e72\u6270\u6765\u6e90\uff0c\u4fdd\u8bc1 TVS \u5728\u65e5\u5e38\u5de5\u4f5c\u65f6\u4e0d\u4f1a\u8bef\u5bfc\u901a\uff1b\u518d\u6309\u540c\u4e00\u6d4b\u8bd5\u6761\u4ef6\u8ba1\u7b97\u5206\u6d41\u7535\u6d41\u4e0e\u94b3\u4f4d\u7535\u538b\uff0c\u786e\u8ba4\u540e\u7ea7\u5177\u6709\u8db3\u591f\u8010\u53d7\uff1b\u968f\u540e\u6838\u5bf9\u5668\u4ef6\u8109\u51b2\u80fd\u529b\u3001\u6e29\u5ea6\u548c\u91cd\u590d\u51b2\u51fb\uff1b\u6700\u540e\u68c0\u67e5\u7535\u5bb9\u3001\u6f0f\u7535\u3001\u5e03\u5c40\u4e0e\u5b9e\u6d4b\u7ed3\u679c\u3002<\/p>\n<p>\u5982\u679c\u627e\u4e0d\u5230\u540c\u65f6\u6ee1\u8db3\u201c\u6b63\u5e38\u4e0d\u5e72\u6270\u201d\u548c\u201c\u51b2\u51fb\u80fd\u4fdd\u62a4\u201d\u7684\u5668\u4ef6\uff0c\u4e0d\u8981\u786c\u51d1\u4e00\u4e2a\u6599\u53f7\u3002\u90a3\u901a\u5e38\u610f\u5473\u7740\u7535\u538b\u7a97\u53e3\u6216\u80fd\u91cf\u5206\u914d\u9700\u8981\u91cd\u65b0\u8bbe\u8ba1\uff1a\u53ef\u4ee5\u8c03\u6574\u540e\u7ea7\u8010\u538b\u3001\u52a0\u5165\u5408\u9002\u7684\u9650\u6d41\/\u65ad\u5f00\u3001\u91c7\u7528\u591a\u7ea7\u4fdd\u62a4\uff0c\u6216\u6539\u53d8\u63a5\u53e3\u67b6\u6784\u3002<\/p>\n<p>\u4e00\u9897\u5408\u9002\u7684 TVS\uff0c\u5fc5\u987b\u653e\u5728\u4e00\u4e2a\u5408\u9002\u7684\u56de\u8def\u91cc\uff0c\u624d\u80fd\u6210\u4e3a\u6709\u6548\u7684\u4fdd\u62a4\u65b9\u6848\u3002<\/p>\n<h2 id=\"_8\">\u53c2\u8003\u8d44\u6599\u4e0e\u7ee7\u7eed\u9605\u8bfb<\/h2>\n<p>\u4ee5\u4e0b\u4ee5\u5382\u5bb6\u539f\u59cb\u8d44\u6599\u4e3a\u4e3b\u3002\u6587\u7ae0\u4e2d\u7684\u8ba1\u7b97\u793a\u4f8b\u4e0e\u56fe\u793a\u7531\u672c\u6587\u72ec\u7acb\u7f16\u6392\uff1b\u4f8b\u9898\u7ed3\u679c\u4e0d\u7b49\u4e8e\u771f\u5b9e\u4ea7\u54c1\u7684\u6d4b\u8bd5\u62a5\u544a\u3002\u91c7\u8d2d\u524d\u5e94\u6838\u5bf9\u5177\u4f53\u6599\u53f7\u548c\u6700\u65b0\u624b\u518c\u7248\u672c\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/www.ti.com\/lit\/slla305\">TI\uff1aReading and Understanding an ESD Protection Data Sheet<\/a>\u2014\u2014\u533a\u5206\u53c2\u6570\u3001\u6d4b\u8bd5\u6761\u4ef6\u548c\u5668\u4ef6\u7ea7\/\u7cfb\u7edf\u7ea7\u9759\u7535\u6a21\u578b\u3002<\/li>\n<li><a href=\"https:\/\/www.ti.com\/lit\/an\/slvae37\/slvae37.pdf\">TI\uff1aHow to select a Surge Diode<\/a>\u2014\u2014\u6d6a\u6d8c\u4fdd\u62a4\u53c2\u6570\u4e0e\u9009\u578b\u601d\u8def\u3002<\/li>\n<li><a href=\"https:\/\/www.ti.com\/lit\/an\/slva680\/slva680.pdf\">TI\uff1aESD Protection Layout Guide<\/a>\u2014\u2014PCB \u56de\u6d41\u3001\u5bc4\u751f\u4e0e\u5e03\u5c40\u3002<\/li>\n<li><a href=\"https:\/\/www.ti.com\/lit\/an\/slva689\/slva689.pdf\">TI\uff1aI\u00b2C Bus Pull-Up Resistor Calculation<\/a>\u2014\u2014\u4e0a\u62c9\u7535\u963b\u548c\u603b\u7ebf\u7535\u5bb9\u8ba1\u7b97\u3002<\/li>\n<li><a href=\"https:\/\/toshiba.semicon-storage.com\/ap-en\/semiconductor\/knowledge\/e-learning\/basics-of-tvs-diodes\/chap4\/chap4-1.html\">Toshiba\uff1aSelection guidelines for TVS diodes<\/a>\u2014\u2014TVS \u5165\u95e8\u53c2\u6570\u68c0\u67e5\u3002<\/li>\n<li><a href=\"https:\/\/www.st.com\/resource\/en\/application_note\/an316-tvs-clamping-protection-mode-stmicroelectronics.pdf\">ST\uff1aAN316 TVS clamping protection mode<\/a>\u2014\u2014\u94b3\u4f4d\u3001\u8109\u51b2\u4e0e\u70ed\u6761\u4ef6\u5206\u6790\u3002<\/li>\n<li><a href=\"https:\/\/www.nexperia.com\/products\/esd-protection-tvs-filtering-and-signal-conditioning\">Nexperia\uff1aESD protection, TVS, filtering and signal conditioning<\/a>\u2014\u2014\u5668\u4ef6\u7ed3\u6784\u4e0e\u56de\u8df3\u7b49\u6280\u672f\u95ee\u7b54\u3002<\/li>\n<li><a href=\"https:\/\/www.ti.com\/product\/ESD441\">TI\uff1aESD441 \u4ea7\u54c1\u4e0e\u6570\u636e\u624b\u518c<\/a>\u2014\u2014\u771f\u5b9e\u53c2\u6570\u9605\u8bfb\u793a\u4f8b\u3002<\/li>\n<li><a href=\"https:\/\/www.littelfuse.com\/assetdocs\/tvs-diodes-smbj-e-datasheet?assetguid=8505ce32-3e58-4833-a94c-0d8836c637b3\">Littelfuse\uff1aSMBJ-E \u7cfb\u5217\u6570\u636e\u624b\u518c<\/a>\u2014\u2014\u8109\u51b2\u529f\u7387\u4e0e\u6d4b\u8bd5\u6761\u4ef6\u793a\u4f8b\u3002<\/li>\n<li><a href=\"https:\/\/list.szlcsc.com\/catalog\/526.html\">\u7acb\u521b\u5546\u57ce\uff1a\u9759\u7535\u548c\u6d6a\u6d8c\u4fdd\u62a4\uff08TVS\/ESD\uff09\u76ee\u5f55<\/a>\u2014\u2014\u5019\u9009\u5668\u4ef6\u67e5\u627e\u5165\u53e3\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u4ece\u96f6\u8bb2\u6e05 TVS \u4e0e ESD \u4fdd\u62a4\uff1a\u5de5\u4f5c\u7535\u538b\u3001\u51fb\u7a7f\u4e0e\u94b3\u4f4d\u7535\u538b\u3001\u6d6a\u6d8c\u8ba1\u7b97\u3001\u529f\u7387\u4e0e\u80fd\u91cf\u300124V \u7535\u6e90\u3001I\u00b2C\u3001USB\u3001\u5de5\u4e1a\u603b\u7ebf\u3001PCB \u5e03\u5c40\u53ca\u9009\u578b\u9a8c\u8bc1\u3002\u5305\u542b 8 \u5f20\u539f\u521b\u914d\u56fe\u3001\u9010\u6b65\u7b97\u4f8b\u548c\u9009\u578b\u8bb0\u5f55\u6a21\u677f\u3002<\/p>\n","protected":false},"author":2,"featured_media":103,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[37,36,40,39,41,38],"class_list":["post-102","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-study","tag-esd","tag-tvs","tag-40","tag-39","tag-41","tag-38"],"_links":{"self":[{"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/posts\/102","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/comments?post=102"}],"version-history":[{"count":1,"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/posts\/102\/revisions"}],"predecessor-version":[{"id":111,"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/posts\/102\/revisions\/111"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/media\/103"}],"wp:attachment":[{"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/media?parent=102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/categories?post=102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oldhamburger.cn\/index.php\/wp-json\/wp\/v2\/tags?post=102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}