{"id":853,"date":"2018-09-11T14:52:24","date_gmt":"2018-09-11T14:52:24","guid":{"rendered":""},"modified":"2018-09-11T22:52:51","modified_gmt":"2018-09-11T14:52:51","slug":"18w%e5%8f%8c%e5%90%91%e5%bf%ab%e5%85%85%e7%a7%bb%e5%8a%a8%e7%94%b5%e6%ba%90%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=853","title":{"rendered":"18W\u53cc\u5411\u5feb\u5145\u79fb\u52a8\u7535\u6e90\u65b9\u6848"},"content":{"rendered":"
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\n
\n

\n\t\t\t\t18W\u5168\u517c\u5bb9\u5feb\u5145\u79fb\u52a8\u7535\u6e90\u65b9\u6848\u662f\u7531\u6613\u80fd\u5fae\u7535\u5b50\u79d1\u6280\u6709\u9650\u516c\u53f8\u63d0\u4f9b\u7684\u79fb\u52a8\u7535\u6e90SOC\u82af\u7247EDP3012\u6765\u8bbe\u8ba1\u5b9e\u73b0\uff0c\u8be5\u65b9\u6848\u5927\u4f53\u4f18\u52bf\u5982\u4e0b\uff1a<\/span><\/p>\n

\n\t\t\t\tEDP3012\u82af\u7247\uff1a<\/span><\/strong><\/span><\/p>\n

\n\t\t\t\t\u662f\u4e3a\u5feb\u5145\u79fb\u52a8\u7535\u6e90\u8bbe\u8ba1\u7684\u4e00\u9897SOC\u82af\u7247\uff1b\u82af\u7247\u5185\u90e8\u96c6\u6210\u4e86 QC2.0\/3.0 \u3001PE1.0\u3001BC1.2 DCP\u3001APPLE 2.4A \u5feb\u5145\u534f\u8bae\uff1b\u8fd8\u96c6\u6210\u4e86\u5145\u653e\u7535\u7ba1\u7406\u6a21\u5757\uff0cLED\u6307\u793a\u6a21\u5757\uff0c\u7535\u6c60\u8fc7\u5145\u3001\u8fc7\u653e\u4fdd\u62a4\u548c\u9ad8\u4f4e\u6e29\u4fdd\u62a4\uff0c\u8f93\u51fa\u8fc7\u538b\u3001 \u6b20\u538b\u3001\u77ed\u8def\u4fdd\u62a4\u3001\u7535\u6d41\u8fc7\u6d41\u4fdd\u62a4\uff0c\u8f93\u5165\u8fc7\u538b\/\u6b20\u538b\u4fdd\u62a4\u53ca\u7535\u6d41\u81ea\u9002\u5e94\u529f\u80fd\u7b49\u591a\u91cd\u5b89\u5168\u4fdd\u62a4\u529f\u80fd; \u82af\u7247\u652f\u6301\u53cc \u53e3\u968f\u673a\u63d2\u5165\u5feb\u653e\u529f\u80fd\uff08\u63d2\u5165\u4efb\u610f A\u53e3\u90fd\u53ef\u4ee5\u5b9e\u73b0\u5feb\u653e\uff0c\u518d\u63d2\u5165\u53e6\u4e00\u4e2a\u624b\u673a\u65f6\u964d\u5230 5V\u5e76\u540c\u65f6\u653e\u7535\uff09\uff1b\u652f\u6301\u8fb9 \u5145\u8fb9\u653e\uff1a\u5148\u7ed9\u624b\u673a\u5145\u7535\uff0c\u624b\u673a\u5145\u6ee1\u540e\u518d\u7ed9\u7535\u6c60\u5145\u7535. \u652f\u6301 AABC \u63a5\u53e3\u5f62\u5f0f\u3002<\/span><\/p>\n

\n\t\t\t\t <\/p>\n

\n\t\t\t\t\u552e\u540e\u6709\u4fdd\u969c\uff1a<\/strong>\u534e\u5f3a\u82af\u57ce\u63d0\u4f9b\u4ea7\u54c1\u8d28\u91cf\u670d\u52a1\uff0c\u6613\u80fd\u5fae\u7535\u5b50\u79d1\u6280\u6709\u9650\u516c\u53f8\u552f\u4e00\u4ee3\u7406\u5546\u4e2d\u7535\u63d0\u4f9b\u6280\u672f\u652f\u6301\u3002<\/span><\/p>\n

\n\t\t\t\t\u65b9\u6848\u53ef\u9760\u6027\uff1a<\/strong>\u53ef\u9760\u6027\u9ad8\uff0c\u8be5\u65b9\u6848\u7531\u6613\u80fd\u5fae\u7535\u5b50\u79d1\u6280\u6709\u9650\u516c\u53f8\u6388\u6743\u63d0\u4f9b\uff0c\u672c\u65b9\u6848\u7ecf\u5386\u4e864\u6b21\u7684\u4f18\u5316\u4fee\u6539\u6700\u7ec8\u6210\u5f62\uff1b\u8be5\u65b9\u6848\u4e3b\u82af\u7247\u4e5f\u662f\u7531\u6613\u80fd\u6388\u6743\u63d0\u4f9b\uff0c\u6613\u80fd\u7684\u53ef\u91cd\u6784\u7535\u6e90IC\u5177\u6709\u5b8c\u5168\u7684\u81ea\u4e3b\u77e5\u8bc6\u4ea7\u6743\uff0c\u76ee\u524d\u5df2\u7ecf\u53d6\u5f97\u77e5\u8bc6\u4ea7\u674311\u9879\uff0c\u5b9e\u7528\u65b0\u578b\u4e13\u52297\u9879\uff1b\u96c6\u6210\u7535\u8def\u5e03\u56fe\u8bbe\u8ba12\u9879\uff1b\u53d1\u660e\u4e13\u52291\u9879\uff1b\u8ba1\u7b97\u673a\u8f6f\u4ef6\u8457\u4f5c\u6743\u53d7\u74061\u9879\uff0c\u8363\u83b7\u4e862014\u5e74\u5ea6EET\u6700\u4f73\u7535\u6e90\u82af\u7247\u5956\uff0c2015\u5e74\u5ea6EET\u3001EDN\u3001ESM\u6700\u4f73\u7535\u6e90\u7ba1\u7406IC\u5956\uff0c2015\u5e74\u5de5\u4fe1\u90e8“\u4e2d\u56fd\u82af”\u6700\u5177\u6f5c\u8d28\u4ea7\u54c1\u5956\uff0c\u516c\u53f8\u8fd8\u8363\u83b7\u7b2c\u56db\u5c4a\u4e2d\u56fd\u79d1\u6280\u521b\u65b0\u521b\u4e1a\u5927\u8d5b\u4fe1\u606f\u884c\u4e1a\u7b2c\u4e00\u540d\u7684\u8363\u8a89\u79f0\u53f7\u3002<\/span><\/p>\n

\n\t\t\t\tbom\u7269\u6599\u6e05\u5355\uff1a<\/span><\/strong><\/span><\/p>\n

\n\t\t\t\t\"\u7269\u6599\u6e05\u5355.png\"<\/span><\/strong><\/span><\/p>\n

\n\t\t\t\t

\n\t\t\t\t <\/p>\n<\/p><\/div>\n

\n\t\t\t\u5e94\u7528\u8303\u56f4<\/h3>\n
\n

\n\t\t\t\t\u25c6 \u5feb\u5145\u79fb\u52a8\u7535\u6e90<\/span><\/p>\n

\n\t\t\t\t\u25c6 \u5feb\u5145\u8f66\u5145<\/span><\/p>\n

\n\t\t\t\t\u25c6 \u667a\u80fd\u6392\u63d2<\/span><\/p>\n<\/p><\/div>\n

\n\t\t\t\u7279\u8272<\/h3>\n
\n

\n\t\t\t\tEDP3012 QC\/PE \u53cc\u5411\u5feb\u5145\u79fb\u52a8\u7535\u6e90\u65b9\u6848<\/span><\/p>\n

\n\t\t\t\t\u7528\u4e00\u9897\u82af\u7247\u5b8c\u6210\u4e86 DC-DC \u5347\u964d\u538b\u548c\u5feb\u5145\u534f\u8bae\uff0c \u65b9\u6848\u96c6\u6210\u5ea6\u9ad8\uff0c\u5916\u56f4\u539f\u4ef6\u5c11\uff0c\u70ed\u6548\u7387\u975e\u5e38\u4f18\u79c0\uff0c18W \u65f6\u6700\u4f4e\u6548\u7387\u8d85\u8fc7 90%.\u5143\u4ef6\u6e29\u5ea6\u4f4e\u4e8e 70\u2103\u3002 \u652f\u6301 BC1.2 DCP, QC2.0\/3.0\uff0cPE1.0, APPLE 2.4A \u8f93\u5165\u8f93\u51fa\u53cc\u5411\u5feb\u5145\u534f\u8bae. \u6d4b\u8bd5\u4e86\u5e02\u573a\u4e0a\u51e0\u4e4e\u6240\u6709\u76f8\u5173\u534f\u8bae\u7684\u5feb\u5145\u624b\u673a\uff0c\u517c\u5bb9\u6027\u51e0\u4e4e\u505a\u5230 100%. \u5177\u6709\u5b8c\u5584\u7684\u7535\u6c60\u5145\u653e\u7535\u7ba1\u7406\uff0c\u72ec\u7acb\u7684\u9502\u7535\u4fdd\u62a4\u7535\u8def\uff0c\u652f\u6301\u8fc7\u538b\/\u6b20\u538b\uff0c\u8fc7\u6d41\uff0c\u53cd\u5411\u7535\u6d41\uff0c\u77ed\u8def, \u8fc7\u6e29\u4fdd\u62a4\u529f\u80fd.\u5b89\u5168\u6027\u9ad8\uff0c\u53ef\u9760\u6027\u597d\uff0c\u751f\u4ea7\u7b80\u5355\uff0c\u662f\u4e00\u6b3e\u9ad8\u6027\u4ef7\u6bd4\u7684\u5feb\u5145\u79fb\u52a8\u7535\u6e90\u65b9\u6848.<\/span><\/p>\n<\/p><\/div>\n

\n\t\t\t\u529f\u80fd<\/h3>\n
\n

\n\t\t\t\t\u2714 \u652f\u6301 BC1.2 DCP, QC2.0, QC3.0\uff0cPE1.0, APPLE 2.4A \u5feb\u5145\u534f\u8bae <\/span><\/p>\n

\n\t\t\t\t\u2714 AABC \u63a5\u53e3 <\/span><\/p>\n

\n\t\t\t\t\u2714 \u989d\u5b9a\u8f93\u5165\u8f93\u51fa\u529f\u7387 18W <\/span><\/p>\n

\n\t\t\t\t\u2714 18W \u6700\u4f4e\u5145\u7535\u6548\u7387\u9ad8\u4e8e 90% <\/span><\/p>\n

\n\t\t\t\t\u2714 C \u53e3\u5355\u5411\u53ea\u505a\u5145\u7535<\/span><\/p>\n

\n\t\t\t\t\u2714 B \u53e3\u548c C \u53e3\u5148\u63d2\u5165\u7684\u8fdb\u884c\u5145\u7535\uff0c\u540e\u63d2\u5165\u7684 \u65e0\u6548<\/span><\/p>\n

\n\t\t\t\t\u2714 \u63d2\u5165\u4efb\u610f\u4e00\u4e2a A \u53e3\u8f93\u51fa\u90fd\u652f\u6301\u5feb\u5145, \u4e24\u4e2a A \u53e3\u540c\u65f6\u63d2\u5165\u624b\u673a\u8f93\u51fa\u7535\u538b\u964d\u5230 5V<\/span><\/p>\n

\n\t\t\t\t\u2714 \u652f\u6301\u8fb9\u5145\u8fb9\u653e\u529f\u80fd\uff1a\u5148\u7ed9\u624b\u673a\u5145\u7535\uff0c\u5145\u6ee1\u540e\u518d\u7ed9\u7535\u6c60\u5145\u7535. <\/span><\/p>\n

\n\t\t\t\t\u2714 \u8f93\u5165\u7535\u6d41\u81ea\u9002\u5e94<\/span><\/p>\n

\n\t\t\t\t\u2714 \u8f93\u51fa\u7535\u538b\u81ea\u9002\u5e94 <\/span><\/p>\n

\n\t\t\t\t\u2714 NTC \u68c0\u6d4b <\/span><\/p>\n

\n\t\t\t\t\u2714\u7535\u91cf\u7b49\u7ea7 4 \u4e2a LED \u6307\u793a\uff0c \u72ec\u7acb\u7684\u5feb\u5145\u6307 \u793a LED <\/span><\/p>\n

\n\t\t\t\t\u2714 \u7535\u82af\u7535\u538b 4.2V, 4.3V,4.35V,4.4V \u53ef\u914d\u7f6e. <\/span><\/p>\n

\n\t\t\t\t\u2714 4 \u4e2a\u7b49\u7ea7\u7535\u91cf\u7535\u538b\u70b9\u53ef\u914d\u7f6e <\/span><\/p>\n

\n\t\t\t\t\u2714 \u8fc7\u6d41, \u53cd\u5411\u7535\u6d41\uff0c\u8fc7\u538b\/\u6b20\u538b\uff0c\u77ed\u8def\uff0c\u9ad8\u4f4e \u6e29\u4fdd\u62a4<\/span><\/p>\n

\n\t\t\t\t <\/p>\n

\n\t\t\t\tQ&A<\/span><\/strong> <\/span><\/span><\/p>\n

\n\t\t\t\tQ1\uff1a\u4ea7\u54c1\u4e0d\u652f\u6301\u624b\u673a\u5feb\u5145\uff1f<\/span><\/p>\n

\n\t\t\t\tA1: \u624b\u673a\u4e0d\u517c\u5bb9\u5feb\u5145\u53ef\u80fd\u662f\u56e0\u4e3a\u6ca1\u6709\u8d2d\u4e70\u5230\u5408\u9002\u7684\u5145\u7535\u7ebf\uff0c\u82e5\u786e\u5b9e\u4e0d\u517c\u5bb9\u53ef\u4ee5\u53cd\u9988\u7ed9\u6211\u4eec\u3002<\/span><\/p>\n

\n\t\t\t\t <\/p>\n

\n\t\t\t\t <\/p>\n

\n\t\t\t\t    Q2:\u8f93\u5165\u8f93\u51fa\u63a5\u53e3\u5916\u58f3\u662f\u5426\u53ef\u4ee5\u63a5GND.<\/span><\/p>\n

\n\t\t\t\t   A2:\u4e0d\u53ef\u4ee5.\u56e0\u4e3a\u67d0\u4e9b\u63a5\u53e3\u8fde\u63a5\u7ebf\u8d1f\u6781\u662f\u4e0e\u5916\u58f3\u76f8\u8fde\u7684\uff0c\u800c\u6211\u4eec\u7684\u91c7\u6837\u7535\u963b\u8981\u63a5\u5728GND\u4e0e\u63a5\u53e3\u8d1f\u6781\u4e2d\u95f4\u82e5\u4e24\u8005\u76f8\u8fde\u5219\u76f8\u5f53\u4e8e\u91c7\u6837\u7535\u963b\u77ed\u8def\u4e86\u3002<\/span><\/p>\n

\n\t\t\t\t\"\u7535\u6c14\u53c2\u6570.png\"<\/span><\/p>\n

\n\t\t\t\t <\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n

\n

\n\t\t\u7cfb\u7edf\u65b9\u5757\u56fe<\/h2>\n
\n

\n\t\t\t\u7535\u8def\u56fe\uff1a<\/span><\/strong><\/span><\/p>\n

\n\t\t\t\"\u5e94\u7528\u7535\u8def\u56fe.png\"<\/p>\n

\n\t\t\tPCB \u8bbe\u8ba1\u53c2\u8003\uff1a <\/strong><\/span><\/p>\n

\n\t\t\t1\uff0eIC \u4e0b\u9762\u9700\u6577\u94dc\u6563\u70ed\uff08IC \u886c\u5e95\u8981\u8fde\u63a5\u5230 PGND),\u6563\u70ed\u9762\u79ef\u5c3d\u91cf\u5927\uff0c\u886c\u5e95\u710a\u76d8\u6253\u901a\u5b54\u5230PCB \u5e95\u5c42\uff0c\u5e76\u9002\u5f53\u9732\u94dc\u76ae\u589e\u5f3a\u6563\u70ed\u3002<\/span><\/p>\n

\n\t\t\t2\uff0eLDO18 \u811a\u7684 10uF \u7535\u5bb9\u8981\u9760\u8fd1\u82af\u7247\u7ba1\u811a; AGND \u7528\u5355\u70b9\u63a5\u8fde\u7684\u65b9\u5f0f\u56de\u5230 PGND\u3002<\/span><\/p>\n

\n\t\t\t3\uff0e\u91c7\u6837\u7535\u963b CSP, CSN \u7aef Layout \u5e94\u9075\u5faa\u5982\u4e0b\u89c4\u5219\uff1a<\/span><\/p>\n

\n\t\t\t      a) CSP\uff0cCSN \u8d70\u7ebf\u8981\u5c3d\u91cf\u907f\u5f00\u5e72\u6270\u6e90\u5668\u4ef6\u6bd4\u5982\u7535\u611f\uff0c\u73af\u8def MOS, Vout \u7b49;<\/span><\/p>\n

\n\t\t\t      b) CSP, CSN \u8d70\u7ebf\u5c3d\u91cf\u5728\u540c\u4e00\u5c42\uff0c\u51cf\u5c11\u6253\u5b54\u7684\u60c5\u51b5;<\/span><\/p>\n

\n\t\t\t      c) CSP, CSN \u4e24\u6761\u7ebf\u90fd\u5fc5\u987b\u9760\u8fd1\u91c7\u6837\u7535\u963b\uff0c\u4ece\u91c7\u6837\u7535\u963b\u4e24\u7aef\u5e73\u884c\u8d70\u7ebf\u63a5\u5165\u82af\u7247\u4e14\u5c3d\u91cf\u9760\u8fd1\u82af\u7247; \u91c7\u6837\u7535\u963b\u5230\u82af\u7247\u7aef\u4e4b\u95f4\u7684\u8fde\u7ebf\u4e0d\u5f97\u8fc7\u7535\u6d41. \u540c\u6837\u539f\u7406 CSN \u4e5f\u662f\u4e0d\u53ef\u4ee5\u76f4\u63a5\u548c PGND \u76f8\u8fde\u3002<\/span><\/p>\n

\n\t\t\t\"\u4f01\u4e1a\u5fae\u4fe1\u622a\u56fe_20180905101230.png\"<\/p>\n

\n\t\t\t\"\u4f01\u4e1a\u5fae\u4fe1\u622a\u56fe_20180905101238.png\"<\/p>\n

\n\t\t\t4\uff0e\u5927\u7535\u6d41\u901a\u8def\uff08\u5347\u964d\u538b\u73af\u8def\u90e8\u5206\u7535\u8def\uff1a BAT– \u7535\u611f – MOS-- VOUT\uff09: \u5c3d\u91cf\u8d70\u5728\u540c\u4e00\u5c42\uff0c\u800c\u4e14\u5c3d\u91cf\u7c97\u77ed\uff0c\u540c\u65f6\u5730\u7684\u9762\u79ef\u4e5f\u5c3d\u91cf\u589e\u5927\u4e14\u8981\u5b8c\u6574. \u8fd9\u6837\u53ef\u4ee5\u589e\u52a0\u6563\u70ed\uff0c\u51cf\u5c0f\u7eb9\u6ce2\u5e76\u964d\u4f4eEMC \u5e72\u6270. <\/span><\/p>\n

\n\t\t\t5. USB\u53e3\u5916\u58f3\u4e0d\u53ef\u4ee5\u76f4\u63a5\u63a5GND. \u56e0\u4e3a\u67d0\u4e9bUSB\u7ebf\u8d1f\u6781\u662f\u4e0e\u5916\u58f3\u76f8\u8fde\u7684\uff0c\u800c\u91c7\u6837\u7535\u963b\u662f\u9700\u8981\u63a5\u5728\u63a5\u53e3\u8d1f\u6781\u4e0e GND \u4e2d\u95f4\uff0c\u82e5\u4e24\u8005\u76f8\u8fde\u5219\u76f8\u5f53\u4e8e\u91c7\u6837\u7535\u963b\u77ed\u8def\u4e86\u3002<\/span><\/p>\n

\n\t\t\t6.\u4e3a\u4fdd\u8bc1\u6563\u70ed\uff0cEMC\u7b49\u6027\u80fd\u6700\u4f73\uff0c\u63a8\u8350\u4f7f\u7528\u56db\u5c42\u677f\u3002<\/span><\/p>\n<\/p><\/div>\n<\/div>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

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