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\u73b0\u5728\u4ea7\u54c1\u7684PCB\u90fd\u662f\u9ad8\u5bc6\u5ea6\u677f\uff0c\u901a\u5e38\u4e3a4\u5c42\u677f\u3002\u968f\u7740\u5bc6\u5ea6\u7684\u589e\u52a0\uff0c\u8d8b\u52bf\u662f\u4f7f\u75286\u5c42\u677f\uff0c\u5176\u8bbe\u8ba1\u6291\u5236\u90fd\u9700\u8981\u8003\u8651\u6027\u80fd\u4e0e\u9762\u79ef\u7684\u5e73\u8861\u3002\u4e00\u65b9\u9762\uff0c\u8d8a\u5927\u7684\u7a7a\u95f4\u53ef\u4ee5\u6709\u66f4\u591a\u7684\u7a7a\u95f4\u6446\u653e\u5143\u5668\u4ef6\uff0c\u540c\u65f6\uff0c\u8d70\u7ebf\u7684\u7ebf\u5bbd\u548c\u7ebf\u8ddd\u8d8a\u5bbd\uff0c\u5bf9\u4e8eEMI\u3001\u97f3\u9891\u3001ESD\u9759\u7535\u7b49\u5404\u65b9\u9762\u6027\u80fd\u90fd\u6709\u597d\u5904\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u6570\u7801\u4ea7\u54c1\u8bbe\u8ba1\u7684\u5c0f\u5de7\u53c8\u662f\u8d8b\u52bf\u4e0e\u9700\u8981\u3002\u6240\u4ee5\uff0c\u8bbe\u8ba1\u65f6\u9700\u8981\u627e\u5230\u5e73\u8861\u70b9\u3002\u5c31ESD\u9759\u7535\u95ee\u9898\u800c\u8a00\uff0c\u8bbe\u8ba1\u4e0a\u9700\u8981\u6ce8\u610f\u7684\u5730\u65b9\u5f88\u591a\uff0c\u5c24\u5176\u662f\u5173\u4e8eGND\u5e03\u7ebf\u7684\u8bbe\u8ba1\u4ee5\u53ca\u7ebf\u8ddd\uff0c\u5f88\u6709\u8bb2\u7a76\u3002\u6709\u4e9b\u4ea7\u54c1\u4e2dESD\u9759\u7535\u5b58\u5728\u5f88\u5927\u7684\u95ee\u9898\uff0c\u4e00\u76f4\u627e\u4e0d\u5230\u539f\u56e0\uff0c\u901a\u8fc7\u53cd\u590d\u7814\u7a76\u4e0e\u5b9e\u9a8c\uff0c\u53d1\u73b0PCB\u8bbe\u8ba1\u4e2d\u51fa\u73b0\u7684\u95ee\u9898\u3002<\/p>\n \u4e3a\u6b64\uff0c\u8fd9\u91cc\u603b\u7ed3\u4e86PCB\u8bbe\u8ba1\u4e2d\u5e94\u8be5\u6ce8\u610f\u7684\u8981\u70b9\uff1a<\/p>\n 3.2.1.PCB\u677f\u8fb9\uff08\u5305\u62ec\u901a\u5b54Via\u8fb9\u754c\uff09\u4e0e\u5176\u5b83\u5e03\u7ebf\u4e4b\u95f4\u7684\u8ddd\u79bb\u5e94\u5927\u4e8e0.3mm;<\/p>\n 3.2.2.PCB\u677f\u8fb9\u6700\u597d\u5168\u90e8\u7528GND\u8d70\u7ebf\u5305\u56f4\uff1b<\/p>\n 3.2.3.GND\u4e0e\u5176\u5b83\u5e03\u7ebf\u4e4b\u95f4\u7684\u8ddd\u79bb\u4fdd\u6301\u57280.2mm~0.3mm\uff1b<\/p>\n 3.2.4.Vbat\u4e0e\u5176\u5b83\u5e03\u7ebf\u4e4b\u95f4\u7684\u8ddd\u79bb\u4fdd\u6301\u57280.2mm\uff5e0.3mm;<\/p>\n 3.2.5.\u91cd\u8981\u7684\u7ebf\u5982Reset\u3001Clock\u7b49\u4e0e\u5176\u5b83\u5e03\u7ebf\u4e4b\u95f4\u7684\u8ddd\u79bb\u5e94\u5927\u4e8e0.3mm;<\/p>\n 3.2.6.\u5927\u529f\u7387\u7684\u7ebf\u4e0e\u5176\u5b83\u5e03\u7ebf\u4e4b\u95f4\u7684\u8ddd\u79bb\u4fdd\u6301\u57280.2mm\uff5e0.3mm\uff1b<\/p>\n 3.2.7.\u4e0d\u540c\u5c42\u7684GND\u4e4b\u95f4\u5e94\u6709\u5c3d\u53ef\u80fd\u591a\u7684\u901a\u5b54\uff08VIa\uff09\u76f8\u8fde\uff1b<\/p>\n 3.2.8.\u5728\u6700\u540e\u7684\u94fa\u5730\u65f6\u5e94\u5c3d\u91cf\u907f\u514d\u5c16\u89d2\uff0c\u6709\u5c16\u89d2\u5e94\u5c3d\u91cf\u4f7f\u5176\u5e73\u6ed1\u3002<\/p>\n 3.3\u4ea7\u54c1\u7684\u7535\u8def\u8bbe\u8ba1<\/p>\n \u5728\u58f3\u4f53\u548cPCB\u7684\u8bbe\u8ba1\u4e2d\uff0c\u5bf9ESD\u9759\u7535\u95ee\u9898\u52a0\u4ee5\u6ce8\u610f\u4e4b\u540e\uff0cESD\u9759\u7535\u8fd8\u4f1a\u4e0d\u53ef\u907f\u514d\u5730\u8fdb\u5165\u5230\u4ea7\u54c1\u7684\u5185\u90e8\u7535\u8def\u4e2d\uff0c\u5c24\u5176\u662f\u4ee5\u4e0b\u4e00\u4e9b\u7aef\u53e3\uff1aUSB\u754c\u9762\u3001HDMI\u754c\u9762\u3001IEEE1394\u754c\u9762\u3001\u5929\u7ebf\u754c\u9762\u3001VGA\u754c\u9762\u3001DVI\u754c\u9762\u3001\u6309\u952e\u7535\u8def\u3001SIM\u5361\u3001\u8033\u673a\u53ca\u5176\u4ed6\u5404\u7c7b\u6570\u636e\u4f20\u8f93\u754c\u9762\uff0c\u8fd9\u4e9b\u7aef\u53e3\u5f88\u53ef\u80fd\u5c06\u4eba\u4f53\u7684\u9759\u7535\u5f15\u5165\u5185\u90e8\u7535\u8def\u4e2d\u3002\u6240\u4ee5\uff0c\u9700\u8981\u5728\u8fd9\u4e9b\u7aef\u53e3\u4e2d\u4f7f\u7528ESD\u9759\u7535\u9632\u62a4\u5668\u4ef6\u3002<\/p>\n 4.\u5e38\u7528\u9759\u7535\u6291\u5236\u5668\u4ef6\u7684\u9009\u62e9<\/strong> 4.1.ESD\u9759\u7535\u6291\u5236\u5668\u4ef6\u4f5c\u7528 4.2.ESD\u9759\u7535\u6291\u5236\u5668\u4ef6\u7684\u79cd\u7c7b 4.2.ESD\u9759\u7535\u6291\u5236\u5668\u4ea7\u54c1\u7279\u6027 4.3.ESD\u9759\u7535\u6291\u5236\u5668\u7684\u5e94\u7528\u9886\u57df 5.\u9759\u7535\u6291\u5236\u5668\u4ef6\u4f7f\u7528\u7684\u6ce8\u610f\u4e8b\u9879<\/strong> 5.1.\u5c06\u8be5\u5668\u4ef6\u5c3d\u91cf\u653e\u7f6e\u5728\u9700\u8981\u4fdd\u62a4\u7684\u7aef\u53e3\u9644\u8fd1\uff1b<\/p>\n 5.2.\u5230GND\u7684\u8fde\u7ebf\u5c3d\u53ef\u80fd\u77ed\uff1b<\/p>\n 5.3.\u6240\u63a5GND\u7684\u9762\u79ef\u5c3d\u53ef\u80fd\u5927\u3002<\/p>\n 6.\u603b\u7ed3<\/strong> 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\n\u5728PCB\u8bbe\u8ba1\u4e2d\u4e3b\u8981\u4f7f\u7528\u7684\u9759\u7535\u9632\u62a4\u5668\u4ef6\u5305\u62ecMLV\u538b\u654f\u7535\u963b\u3001TVS\u9759\u7535\u6291\u5236\u5668\u4ef6\u4ee5\u53caSPE\u3001SAE\u7cfb\u5217\u9ad8\u5206\u5b50ESD\u6291\u5236\u5668\uff0c\u201c\u9759\u7535\u6291\u5236\u5668\u201d\u662f\u4e13\u4e1a\u89e3\u51b3\u9759\u7535\u95ee\u9898\u7684\u4ea7\u54c1\uff0c\u5176\u5185\u90e8\u6784\u9020\u548c\u5de5\u4f5c\u539f\u7406\u6bd4\u5176\u4ed6\u4ea7\u54c1\u66f4\u5177\u79d1\u5b66\u6027\u548c\u4e13\u4e1a\u6027\u3002\u5f53\u9759\u7535\u7535\u538b\u8d85\u8fc7\u8be5\u5668\u4ef6\u7684\u89e6\u53d1\u7535\u538b\u65f6\uff0c\u5c06\u9759\u7535\u5728\u77ac\u95f4\u6cc4\u653e\u5230\u5730\u3002\u5b83\u6700\u5927\u7279\u70b9\u662f\u53cd\u5e94\u901f\u5ea6\u5feb\uff0c\u975e\u5e38\u4f4e\u7684\u6781\u95f4\u7535\u5bb9\uff0c\u5f88\u5c0f\u7684\u6f0f\u7535\u6d41\uff0c\u975e\u5e38\u9002\u5408\u5404\u79cd\u501f\u53e3\u7684\u9632\u62a4\u3002ESD\u9759\u7535\u4e8c\u6781\u7ba1\u7b80\u79f0ESD\uff0c\u4e5f\u53ebESD\u9759\u7535\u4fdd\u62a4\u5668\uff0c\u662f\u4e00\u79cd\u8fc7\u538b\u3001\u9632\u9759\u7535\u4fdd\u62a4\u5143\u4ef6\uff0c\u662f\u4e3a\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u5e94\u7528\u7684I\/O\u7aef\u53e3\u4fdd\u62a4\u8bbe\u8ba1\u7684\u5668\u4ef6\u3002ESD\u4fdd\u62a4\u5668\u4ef6\u662f\u7528\u6765\u907f\u514d\u7535\u5b50\u8bbe\u5907\u4e2d\u7684\u654f\u611f\u7535\u8def\u53d7\u5230ESD(\u9759\u7535\u653e\u7535)\u7684\u5f71\u54cd\u3002\u53ef\u63d0\u4f9b\u975e\u5e38\u4f4e\u7684\u7535\u5bb9\uff0c\u5177\u6709\u4f18\u5f02\u7684\u4f20\u8f93\u7ebf\u8109\u51b2\uff08TLP\uff09\u6d4b\u8bd5\uff0c\u4ee5\u53caIEC6100-4-2\u6d4b\u8bd5\u80fd\u529b\uff0c\u5c24\u5176\u662f\u5728\u591a\u91c7\u6837\u6570\u9ad8\u8fbe1000\u4e4b\u540e\uff0c\u8fdb\u800c\u6539\u5584\u5bf9\u654f\u611f\u7535\u5b50\u5143\u4ef6\u7684\u4fdd\u62a4\u3002<\/p>\n
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