{"id":17854,"date":"2022-01-27T10:58:34","date_gmt":"2022-01-27T02:58:34","guid":{"rendered":"https:\/\/www.paiqinano.com\/?p=17854"},"modified":"2022-01-18T15:13:05","modified_gmt":"2022-01-18T07:13:05","slug":"%e7%9c%8b%e6%87%82pcb3%e5%88%86%e9%92%9f%e6%95%99%e4%bd%a0%e7%9c%8b%e6%87%82pcb%e5%8f%a0%e5%b1%82%e6%96%87%e4%bb%b6%e5%8f%a0%e5%b1%82%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/www.paiqinano.com\/?p=17854","title":{"rendered":"3\u5206\u949f\u6559\u4f60\u770b\u61c2PCB\u53e0\u5c42\u6587\u4ef6"},"content":{"rendered":"

\n\t\u5927\u5bb6\u90fd\u77e5\u6653\uff0c\u7ebf\u8def\u677f<\/u>\u7684\u5c42\u53e0\u5206\u914d\u662f\u5bf9PCB<\/u>\u7684\u5168\u90e8\u7cfb\u7edf\u5f00\u53d1\u7684\u57fa\u672c\u3002\u5c42\u53e0\u8bbe\u8ba1\u65b9\u6848\u5982\u6709\u7f3a\u9677\uff0c\u5c06\u6700\u540e\u5371\u5bb3\u5230\u6574\u4f53\u7684emc<\/u>\u7279\u6027\u3002\u90a3\u9ebc\u63a5\u4e0b\u6765\u5c31\u548c\u54b1\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u7a76\u7adf\u600e\u6837\u624d\u770b\u61c2\u5c42\u53e0\u6587\u6863\u5427~<\/p>\n

\n\t\u4e0b\u9762\u7684\u56fe\u662f\u5927\u5bb6\u4e00\u822c\u72b6\u51b5\u4e0b\u89c1\u5230\u7684\u5c42\u53e0\u597d\u7684\u6587\u6863\u56fe\u4f8b\uff1a<\/p>\n

\n\t<\/p>\n

\n\t\u4e00\u3001\u5bf9\uff08\u56fe\u4e00\uff09\u5206\u6790\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

\n\t<\/p>\n

\n\t\u6700\u5148\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5f97\u51fa\u5c42\u53e0\u662f8\u591a\u5c42\u677f<\/u>\uff0c\u67095\u4e2a\u5e03\u7ebf\u5c42\uff08TOP\u3001ART03\u3001ART04\u3001ART06\u3001BOTTOM\uff09\uff0c\u67092\u4e2a\u5730\u8d28\u6784\u9020\uff08GND02\u3001GND05\uff09\uff0c\u67091\u4e2a\u7535\u6e90\u5c42<\/u>\uff08PWR07\uff09\u3002<\/p>\n

\n\t\u6b21\u4e4b\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u5168\u90e8\u6728\u677f\u7684\u91c7\u7528\u7684PP\u7247\u72b6\u51b5\uff0cGND02-ART03\u4e00\u5f20\u7ec6\u6728\u5de5\u677f(core)\uff0cART4-GND05(core) \u4e00\u5f20\u7ec6\u6728\u5de5\u677f\uff0cART06-PWR07(core) \u4e00\u5f20\u7ec6\u6728\u5de5\u677f, \u5176\u4ed6\u7684\u7528PP\u52a0\u94dc\u6cca,\u6700\u7ec8\u538b\u5408\u5728\u4e00\u8d77\u800c\u6210\u7684\u3002TOP\u3001GND02\u5c42\u6b63\u4e2d\u95f4\u7684PP\u7247\u662f2116\u534a\u5e72\u56fa\u7247\uff0cART03\u3001ART04\u5c42\u6b63\u4e2d\u95f4\u7684PP\u7247\u662f\u75312\u4e2a3313\u534a\u5e72\u56fa\u7247\u548c1\u4e2a7628\u534a\u5e72\u56fa\u7247\u538b\u5408\u800c\u6210\uff0cGND05\u3001ART06\u5c42\u6b63\u4e2d\u95f4\u7684PP\u7247\u662f\u75312\u4e2a3313\u534a\u5e72\u56fa\u7247\u548c1\u4e2a7628\u534a\u5e72\u56fa\u7247\u538b\u5408\u800c\u6210\uff0cPWR07\u3001BOTTOM\u5c42\u6b63\u4e2d\u95f4\u7684PP\u7247\u662f2116\u534a\u5e72\u56fa\u7247\u3002<\/p>\n

\n\t\u6700\u7ec8\uff0c\u53ef\u83b7\u77e5\u5168\u90e8\u677f\u539a<\/u>\u4e3a1.6mm\uff08\u751f\u4ea7\u5236\u9020\u65f6\u5bb9\u8bb8\u670910%\u5c3a\u5bf8\u516c\u5dee\uff09\u3002\u677f\u539a\u6d4b\u7b97\u5982\u4e0b\u6240\u793a\u793a\uff1a<\/p>\n

\n\t\u6b21\u5916\u5c422116\u8584\u539a\uff1a<\/p>\n

\n\t\u8bc4\u6d4b\u8584\u539a=\u57fa\u7840\u7406\u8bba\u8584\u539a\u2014\u94dc\u539a<\/u>*\uff081\u2014\u6b8b\u94dc\u7387\uff09<\/p>\n

\n\t=0.1174*39.3701mi<\/u>l\u20141.25*\uff081\u201465%\uff09<\/p>\n

\n\t=4.1845mil<\/p>\n

\n\t\u91cc\u5c423313*2 7628 \u8584\u539a\uff1a<\/p>\n

\n\t\u8bc4\u6d4b\u8584\u539a=\u57fa\u7840\u7406\u8bba\u8584\u539a\u2014\u94dc\u539a1*\uff081\u2014\u6b8b\u94dc\u73871\uff09\u2014\u94dc\u539a2*\uff081\u2014\u6b8b\u94dc\u73872\uff09<\/p>\n

\n\t=(0.0987*2 0.1933)*39.3701mil\u20141.25*(1\u201465%)\u20141.25*(1\u201415%)<\/p>\n

\n\t=13.8819mil<\/p>\n

\n\t\u57fa\u7840\u7406\u8bba\u677f\u539a\uff1a<\/p>\n

\n\t\u677f\u539a=\u5185\u8868\u5c42\u94dc\u539a PP\u7247\u8584\u539a \u7ec6\u6728\u5de5\u677f\u8584\u539a<\/p>\n

\n\t=0.7087*2 1.25*6 4.1845*2 13.8819*2 5.1*3<\/p>\n

\n\t=60.3502mil<\/p>\n

\n\t=1.5329mm<\/p>\n

\n\t\u4e8c\u3001\u6211\u4eec\u7136\u540e\u5c42\u53e0\u597d\u7684\u6750\u6599\u56fe\u4e8c<\/p>\n

\n\t\u4ece\uff08\u56fe\u4e8c\uff09\u4e0a\uff0c\u53ef\u4ee5\u4e86\u89e3\u6bcf\u4e2a\u5e03\u7ebf\u5c42\u5355\u7aef50R\u7279\u6027\u963b\u6297\u7684\u5e03\u7ebf\u603b\u5bbd\u548c\u53c2\u7167\u5c42\u3002\u5728\u5176\u4e2dTOP\u3001BOTTOM\u5c42\u5e03\u7ebf\u603b\u5bbd\u4e3a6mil\uff0cTOP\u5c42\u53c2\u7167GND02\u5c42\uff0cBOTTOM\u53c2\u7167PWR07\u5c42\uff1bART03\u3001ART04\u5c42\u5e03\u7ebf\u603b\u5bbd\u4e3a5.7mil\uff0cART03\u5c42\u53c2\u7167GND02\u5c42\uff0cART04\u53c2\u7167GND05\u5c42\uff1bART06\u5c42\u5e03\u7ebf\u603b\u5bbd\u4e3a5.4mil\uff0c ART06\u53c2\u7167GND05\u3001PWR07\u5c42\u3002\u5b9e\u9645\u53c2\u6570\u6211\u4eec\u53ef\u4ee5\u4ecePolar SIAPP\u4e2d\u63a8\u7b97\u51fa\u6765\u3002<\/p>\n

\n\t(1) \u8868\u9762\u5355\u7aef\uff08TOP\u3001BOTTOM\uff09\uff1a\u7ebf\u8ddd6mil\uff1b =51.51*0.9 3.2=49.56<\/p>\n

\n\t<\/p>\n

\n\t(2)\u91cc\u5c42\u5355\u7aef(ART03\u3001ART04)\uff1a\u7ebf\u8ddd5.7mil\uff1b =50.13<\/p>\n

\n\t<\/p>\n

\n\t(3)\u91cc\u5c42\u5355\u7aef\uff08ART06\uff09\uff1a\u7ebf\u8ddd5.4mil\uff1b =50.08<\/p>\n

\n\t<\/p>\n

\n\t\u5982\u4eca\uff0c\u7136\u540e\u5c42\u53e0\u597d\u7684\u6750\u6599\u56fe\u4e09\u4e09\u3001\u4ece\uff08\u56fe\u4e09\uff09\u6211\u4eec\u53ef\u4ee5\u4e86\u89e3\u6bcf\u4e2a\u5e03\u7ebf\u5c42\u5dee\u5206\u4fe1\u53f7100R\u7279\u6027\u963b\u6297\u7684\u5e03\u7ebf\u603b\u5bbd\u3001\u7535\u7ebf\u95f4\u7a7a\u9699\u548c\u53c2\u7167\u5c42\u3002\u5728\u5176\u4e2dTOP\u3001BOTTOM\u5c42\u5e03\u7ebf\u603b\u5bbd\u4e3a4.5mil\uff0c\u7ebf\u4e0e\u7ebf\u7a7a\u96998mil\uff0cTOP\u5c42\u53c2\u7167GND02\u5c42\uff0cBOTTOM\u53c2\u7167PWR07\u5c42\uff1bART03\u3001ART04\u5c42\u5e03\u7ebf\u603b\u5bbd\u4e3a4.1mil\uff0c\u7ebf\u4e0e\u7ebf\u7a7a\u96998.2mil\uff0cART03\u5c42\u53c2\u7167GND02\u5c42\uff0cART04\u53c2\u7167GND05\u5c42\uff1bART06\u5c42\u5e03\u7ebf\u603b\u5bbd\u4e3a4.1mil\uff0c\u7ebf\u4e0e\u7ebf\u7a7a\u96998.2mil\uff0c ART06\u53c2\u7167GND05\u3001PWR07\u5c42\u3002\u5b9e\u9645\u53c2\u6570\u6211\u4eec\u53ef\u4ee5\u4ecePolar SIAPP\u4e2d\u63a8\u7b97\u51fa\u6765\u3002\uff081\uff09 \u8868\u9762\u5dee\u5206\u4fe1\u53f7\uff08TOP\u3001BOTTOM\uff09\uff1a\u7ebf\u8ddd\/\u7ebf\u8ddd 4.5\/8mil; =107.26*0.9 3.2=99.734<\/p>\n

\n\t<\/p>\n

\n\t\uff082\uff09\u91cc\u5c42\u5dee\u5206\u4fe1\u53f7\uff08ART3\/ART4\u5c42\uff09\uff1a \u7ebf\u8ddd\/\u7ebf\u8ddd 4.1\/8.2mil; =99.27<\/p>\n

\n\t<\/p>\n

\n\t\uff083\uff09 \u91cc\u5c42\u5dee\u5206\u4fe1\u53f7(ART6\u5c42)\uff1a \u7ebf\u8ddd\/\u7ebf\u8ddd 4.1\/8.2mil; =98.58<\/p>\n

\n\t<\/p>\n

 <\/p>\n

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