{"id":1801,"date":"2018-12-17T04:17:38","date_gmt":"2018-12-17T04:17:38","guid":{"rendered":""},"modified":"2018-12-17T12:17:53","modified_gmt":"2018-12-17T04:17:53","slug":"led+%e7%94%b5%e8%b7%af%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=1801","title":{"rendered":"LED \u7535\u8def\u8bbe\u8ba1"},"content":{"rendered":"

\u73b0\u4eca\u4eba\u4eec\u770b\u5230\u6700\u591a\u7684\u663e\u793a\u88c5\u7f6e\u662f\u4ec0\u4e48\uff1f\u5927\u5bb6\u7684\u56de\u7b54\u60f3\u5fc5\u90fd\u662f\u663e\u793a\u5c4f\uff0c\u5176\u5b9e\u6709\u4e00\u4e2a\u5df2\u7ecf\u878d\u5165\u6211\u4eec\u751f\u6d3b\u5404\u4e2a\u89d2\u843d\u7684\u91cd\u8981\u663e\u793a\u88c5\u7f6e\uff0c\u90a3\u5c31\u662f\u5e38\u89c1\u7684\u5c0fLED\uff0c\u4ed6\u4eec\u662f\u5982\u4f55\u5b9e\u73b0\u663e\u793a\u5462\uff1f

\n

\n\u4e0a\u671f\u6211\u4eec\u4ece“\u84dd\u9ed1\u767d\u91d1\u88d9”\u4e4b\u4e89\u8bf4\u5230\u5c4f\u5e55\u56fe\u5f62\u683c\u5f0f\u8f6c\u6362\uff0c\uff08\u8be6\u7ec6\u53ef\u70b9\u51fb\u67e5\u770b\u300a\u3010\u5e72\u8d27\u3011\u4ece\u8272\u5f69\u89d2\u5ea6\u770b\u4eba\u673a\u4ea4\u4e92\u754c\u9762\u8bbe\u8ba1\u300b\uff09\uff0c\u4f46\u663e\u793a\u88c5\u7f6e\u9664\u4e86\u5c4f\u5e55\u5916\uff0c\u8fd8\u6709\u5f88\u591a\u4e0d\u8d77\u773c\u4f46\u5374\u878d\u5165\u6211\u4eec\u751f\u6d3b\u5404\u4e2a\u89d2\u843d\u7684\u91cd\u8981\u5c0f\u89d2\u8272\uff0c\u6bd4\u5982\u6211\u4eec\u5e38\u89c1\u7684LED\uff0c\u60f3\u8981\u70b9\u4eae\u4ed6\u4eec\u5176\u5b9e\u53ef\u4ee5\u66f4\u7b80\u5355\u3002

\n

\nLED\u5927\u5bb6\u65cf\u7b80\u8ff0<\/strong>

\nLED\u662fLight Emitting Diode\u7684\u7f29\u5199\uff0c\u5373\u53d1\u5149\u4e8c\u6781\u7ba1\uff0c\u662f\u4e00\u79cd\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\u7684\u534a\u5bfc\u4f53\u53d1\u5149\/\u663e\u793a\u5143\u4ef6\u3002\u53d1\u5149\u4e8c\u6781\u7ba1\u662f\u7531\u2162-\u2163\u65cf\u5316\u5408\u7269\uff0c\u5982GaAs\uff08\u7837\u5316\u9553\uff09\u3001GaP\uff08\u78f7\u5316\u9553\uff09\u3001GaAsP\uff08\u78f7\u7837\u5316\u9553\uff09\u7b49\u534a\u5bfc\u4f53\u5236\u6210\u7684\uff0c\u5176\u6838\u5fc3\u662fPN\u7ed3\u3002\u56e0\u6b64\u5b83\u5177\u6709\u4e00\u822cP-N\u7ed3\u7684I-N\u7279\u6027\uff0c\u5373\u6b63\u5411\u5bfc\u901a\uff0c\u53cd\u5411\u622a\u6b62\u3001\u51fb\u7a7f\u7279\u6027\u3002\u5728\u6b63\u5411\u7535\u538b\u4e0b\uff0c\u7535\u5b50\u7531N\u533a\u6ce8\u5165P\u533a\uff0c\u7a7a\u7a74\u7531P\u533a\u6ce8\u5165N\u533a\uff0c\u8fdb\u5165\u5bf9\u65b9\u533a\u57df\u7684\u5c11\u6570\u8f7d\u6d41\u5b50\uff08\u5c11\u5b50\uff09\u4e00\u90e8\u5206\u4e0e\u591a\u6570\u8f7d\u6d41\u5b50\uff08\u591a\u5b50\uff09\u590d\u5408\u800c\u53d1\u5149\u3002\u901a\u8fc7\u4f7f\u7528\u4e0d\u540c\u7684\u6750\u6599\u53ca\u5de5\u827a\uff0cLED\u53ef\u4ee5\u53d1\u51fa\u7ea2\u8272\u3001\u7eff\u8272\u3001\u9ec4\u8272\u3001\u767d\u8272\u3001\u84dd\u8272\u3001\u6a59\u8272\u7b49\u5149\u3002

\n

\n\u5728\u5e02\u9762\u4e0a\uff0cLED\u4ea7\u54c1\u6709\u53d1\u5149\u4e8c\u6781\u7ba1\u3001\u6570\u7801\u7ba1\u3001\u7c73\u5b57\u7ba1\u3001\u7b26\u53f7\u7ba1\u3001\u70b9\u9635\u663e\u793a\u5c4f\u3001LED\u80cc\u5149\u3001LED\u7167\u660e\u706f\u7b49\uff0c\u53c2\u8003\u5982\u4e0b\u56fe1\u6240\u793a\u3002\u4e8b\u5b9e\u4e0a\uff0c\u6570\u7801\u7ba1\u3001\u7c73\u5b57\u7ba1\u3001\u7b26\u53f7\u7ba1\u3001\u70b9\u9635\u663e\u793a\u5c4f……\u5f53\u4e2d\u7684\u6bcf\u4e2a\u53d1\u5149\u5355\u5143\u90fd\u662f\u4e00\u4e2a\u53d1\u5149\u4e8c\u6781\u7ba1\u3002<\/span><\/span>

\n
<\/p>\n

\n\t<\/div>\n
\n\t \u56fe1 \u5e38\u89c1LED\u663e\u793a\u6a21\u5757<\/span><\/span><\/div>\n



\nLED\u7279\u6027\u5206\u6790<\/strong>

\n\u4f7f\u7528\u4e0d\u540c\u6750\u6599(\u7ba1\u82af\u6750\u6599)\u7684LED\uff0c\u5176\u6b63\u5411\u7535\u538b\u4e5f\u6709\u6240\u4e0d\u540c\uff0c\u5728\u8bbe\u8ba1\u7535\u8def\u524d\u8981\u5148\u4e86\u89e3\u4e00\u4e0b\u5b83\u4eec\u7684\u57fa\u672c\u7279\u6027\uff0c\u53c2\u8003\u5982\u88681\u6240\u5217\u3002

\n

\n\u88681 \u5e38\u7528\u53d1\u5149\u4e8c\u6781\u7ba1\u57fa\u7840\u7279\u6027\u8868<\/span><\/span>
<\/p>\n

\n\t<\/div>\n

 

\n\u6ce8\u610f\uff1a\u8bbe\u8ba1LED\u7535\u8def\u65f6\uff0c\u5de5\u4f5c\u7535\u6d41\u6700\u597d\u5c0f\u4e8e0.6 IFM\uff0c\u8fd9\u6837LED\u4f7f\u7528\u5bff\u547d\u4f1a\u66f4\u957f\u3002

\n

\n\u72ec\u7acbLED\u706f\u9a71\u52a8\u7535\u8def<\/strong>

\n1\u3001\u7535\u6e90\u6307\u793a\u706f<\/strong><\/span><\/span>
<\/p>\n

\n\t<\/div>\n
\n\t\u56fe2 5V\u548c3.3V\u7535\u6e90\u6307\u793a\u706f\u7535\u8def<\/span><\/span><\/div>\n



\nD1\u91c7\u7528\u7ea2\u8272LED\u706f(GaAsp\u7ba1\u82af)\uff0c\u5c01\u88c5\u5f62\u5f0f\u7531\u4ea7\u54c1\u8981\u6c42\u51b3\u5b9a\u3002\u5de5\u4f5c\u7535\u6d41\u8ba1\u7b97\u5982\u4e0b\uff1a<\/span><\/span>

\n

\n\u5e38\u89c4\u8bbe\u8ba1\uff0cIf\u8981\u57280.5\uff5e3mA\u8303\u56f4\u5185\uff0c\u51cf\u5c11\u7535\u6e90\u6307\u793a\u706f\u5bf9\u7535\u80fd\u7684\u6d88\u8017\u3002\u5bf9\u4e8e5V\u7535\u6e90\uff0c\u9650\u6d41\u7535\u963bR1\u63a8\u8350\u91c7\u75283K\uff1b\u5bf9\u4e8e3.3V\u7535\u6e90\uff0c\u9650\u6d41\u7535\u963bR1\u63a8\u8350\u91c7\u75281K\u3002

\n

\n2\u3001\u72b6\u6001\u6307\u793a\u706f<\/strong>

\n\u5bf9\u4e8e\u5355\u7247\u673a\uff0c\u5176I\/O\u704c\u7535\u6d41\u53ef\u8fbe20mA(\u5177\u4f53\u82af\u7247\u8981\u4ee5\u6570\u636e\u624b\u518c\u4e3a\u51c6)\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528I\/O\u63a7\u5236LED\u706f\u4f5c\u4e3a\u72b6\u6001\u6307\u793a\u3002<\/span><\/span>

\n<\/p>\n

\n\t\u56fe3 \u72ec\u7acbLED\u706f\u9a71\u52a8—\u704c\u7535\u6d41\u65b9\u5f0f<\/span><\/span>

\n\t <\/div>\n

\u5f53\u76f8\u5e94\u7684I\/O\u8f93\u51fa0\u65f6LED\u706f\u70b9\u4eae\uff0c\u8f93\u51fa1\u65f6LED\u706f\u7184\u706d\u3002\u7535\u6d41\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\uff1a<\/span><\/span>

\n

\n

\n\u5e38\u89c4\u8bbe\u8ba1\uff0cIf\u8981\u57282\uff5e15mA\u8303\u56f4\u5185\u3002\u5f53\u9a71\u52a8\u591a\u4e2aLED\u65f6\u8981\u6ce8\u610f\uff0c\u7531\u4e8eCPU\u5bf9\u603b\u7535\u6d41\u9650\u5236\uff0c\u6bd4\u5982100mA\uff0c\u6240\u4ee5\u8981\u4fdd\u8bc1\u591a\u4e2aLED\u540c\u65f6\u70b9\u4eae\u7684\u7535\u6d41\u8981\u5c0f\u4e8e\u603b\u7535\u6d41\u3002\u5982\u679c\u4f7f\u7528\u4e86\u7eff\u8272\u7684LED\u706f\uff0c\u7531\u4e8e\u7eff\u8272LED\u6b63\u5411\u538b\u964d\u6bd4\u7ea2\u8272\u7684\u5927\uff0c\u6240\u4ee5\u5176\u9650\u6d41\u7535\u963b\u8981\u5c0f\u4e00\u70b9\u3002

\n

\n\u5bf9\u4e8e\u5355\u7247\u673a\uff0c\u5176I\/O\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u63a8\u633d\u8f93\u51fa\u6a21\u5f0f\uff0c\u9a71\u52a8\u7535\u6d41\u53ef\u8fbe20mA\uff0c\u8fd9\u7c7bCPU\u53ef\u4ee5\u91c7\u7528\u62c9\u7535\u6d41\u7684\u65b9\u5f0f\u9a71\u52a8\uff0c\u5982\u56fe4\u6240\u793a\u3002<\/span><\/span>

\n
<\/p>\n

\n\t<\/div>\n
\n\t\u56fe4 \u72ec\u7acbLED\u706f\u9a71\u52a8—\u62c9\u7535\u6d41\u65b9\u5f0f<\/span><\/span>

\n\t <\/div>\n

\u5f53\u76f8\u5e94\u7684I\/O\u8f93\u51fa1\u65f6LED\u706f\u70b9\u4eae\uff0c\u8f93\u51fa0\u65f6LED\u706f\u7184\u706d\u3002\u7535\u6d41\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\uff1a<\/span><\/span>

\n

\n 

\n\u901a\u5e38\u8bbeI\/O\u7684Voh\u7b49\u4e8eVCC\u3002\u5e38\u89c4\u8bbe\u8ba1\uff0cIf\u8981\u57282\uff5e15mA\u8303\u56f4\u5185\u3002\u5f53\u9a71\u52a8\u591a\u4e2aLED\u65f6\u8981\u6ce8\u610f\uff0c\u7531\u4e8eCPU\u5bf9\u603b\u7535\u6d41\u9650\u5236\uff0c\u6bd4\u5982100mA\uff0c\u6240\u4ee5\u8981\u4fdd\u8bc1\u591a\u4e2aLED\u540c\u65f6\u70b9\u4eae\u7684\u7535\u6d41\u8981\u5c0f\u4e8e\u603b\u7535\u6d41\u3002\u5bf9\u4e8e\u5176\u5b83\u7c7b\u578b\u7684CPU(\u59823.3V\u7684ARM)\uff0c\u6839\u636e\u5176I\/O\u7279\u6027\uff0c\u4e5f\u53ef\u4ee5\u91c7\u7528\u8fd9\u4e24\u79cd\u9a71\u52a8\u65b9\u5f0f\u3002

\n

\n\u5bf9\u4e8e2\u5f15\u811a\u7684\u53cc\u8272LED\uff0c\u5176\u9a71\u52a8\u65b9\u5f0f\u5982\u56fe5\u6240\u793a\u3002\u5bf9\u4e8eI\/O\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u63a8\u633d\u8f93\u51fa\u6a21\u5f0f\u7684CPU\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528I\/O\u76f4\u63a5\u9a71\u52a8\uff1b\u5bf9\u4e8e\u6807\u51c651\u5355\u7247\u673a\uff0c\u5219\u9700\u8981\u5916\u52a0\u9a71\u52a8\u7535\u8def\uff0c\u59822\u4e2a\u975e\u95e8\u3002\u5f53\u4e00\u4e2a\u53e3\u8f93\u51fa1\uff0c\u53e6\u4e00\u4e2a\u53e3\u8f93\u51fa0\u65f6\uff0c\u5176\u4e2d\u4e00\u4e2aLED\u706f\u70b9\u4eae\uff1b\u5982\u679c\u4e24\u4e2a\u63a7\u5236\u53e3\u5747\u8f93\u51fa1\u6216\u5747\u8f93\u51fa0\uff0c\u5219LED\u706f\u7184\u706d\u3002<\/span><\/span>

\n
<\/p>\n

\n\t<\/div>\n
\n\t \u56fe5 2\u5f15\u811a\u53cc\u8272LED\u706f\u9a71\u52a8\u7535\u8def<\/span><\/span><\/div>\n



\n\u603b\u7ed3<\/strong>

\n\u672c\u6587\u4ec5\u662f\u7b80\u5355\u7684\u4ecb\u7ecd\u4e86\u5d4c\u5165\u5f0f\u786c\u4ef6\u8bbe\u8ba1\u4e2dLED\u9a71\u52a8\uff0c\u4f46\u6574\u4f53\u5d4c\u5165\u5f0f\u786c\u4ef6\u8bbe\u8ba1\u5bf9\u4e8e\u6280\u672f\u6307\u6807\u7684\u8981\u6c42\u662f\u8f83\u9ad8\u7684\uff0c\u82e5\u4ea7\u54c1\u8bbe\u8ba1\u73af\u8282\u53ef\u4ee5\u9009\u7528\u5408\u9002\u6838\u5fc3\u677f\u8fdb\u884c\u5f00\u53d1\u8bbe\u8ba1\u3002ZLG\u81f4\u8fdc\u7535\u5b50\u5d4c\u5165\u5f0f\u4ea7\u54c1\u7ecf\u8fc7\u8fd1\u4e8c\u5341\u5e74\u7684\u8bbe\u8ba1\u7ecf\u9a8c\u79ef\u7d2f\uff0c\u4ece\u4ea7\u54c1\u7684RTC\u65f6\u949f\uff0c\u7535\u6e90\u7ba1\u7406\uff0cESD\u9632\u62a4\u7535\u8def\uff0c\u5404\u7c7b\u901a\u8baf\u63a5\u53e3\u7b49\u65b9\u9762\u5168\u9762\u4fdd\u8bc1\u4ea7\u54c1\u7684\u7a33\u5b9a\u6027\u3002

\n

\nZLG\u81f4\u8fdc\u7535\u5b50\u4ece2001\u5e74\u4ece8\u4f4d\u5355\u7247\u673a\u65b9\u6848\u8bbe\u8ba1\u5f00\u59cb\uff0c\u9010\u6b65\u638c\u63e1ARM7\u3001ARM9\u3001Cortex-A7\u3001A8\u3001A9\u3001M7\u4ee5\u53ca\u6700\u524d\u6cbf\u7684A53\u7b49ARM\u4f53\u7cfb\u7684\u5904\u7406\u5668\u5e94\u7528\u6280\u672f\uff0c\u62e5\u6709\u5168\u7cfb\u5217\u7684\u5de5\u4e1a\u7ea7ARM\u6838\u5fc3\u677f\u4e0e\u5de5\u63a7\u673a\u3002

\n

\n\u540c\u65f6\uff0c\u57fa\u4e8e\u5bf9\u5d4c\u5165\u5f0f\u6280\u672f\u7684\u7406\u89e3\u4e0e\u79ef\u7d2f\uff0cZLG\u81ea\u4e3b\u7814\u53d1\u4e0b\u4e00\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u5e73\u53f0-Aworks\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5e2e\u52a9\u7528\u6237\u57fa\u4e8e\u7a33\u5b9a\u7684\u8f6f\u786c\u4ef6\u5e73\u53f0\u5feb\u901f\u5b9e\u73b0\u4ea7\u54c1\u5f00\u53d1\uff0c\u57fa\u4e8eZLG\u5de5\u4e1a\u7ea7\u6838\u5fc3\u677f\/\u5de5\u63a7\u677f\u5f00\u53d1\u7684\u4ea7\u54c1\u5df2\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7535\u529b\u3001\u8f68\u9053\u4ea4\u901a\u3001\u5de5\u4e1a\u73b0\u573a\u3001\u533b\u7597\u7b49\u5bf9\u4ea7\u54c1\u53ef\u9760\u6027\u8981\u6c42\u8f83\u4e3a\u82db\u523b\u7684\u573a\u5408\uff0c\u5e76\u4e0d\u65ad\u6df1\u5165\u4e3a\u5404\u884c\u4e1a\u63d0\u4f9b\u6574\u5957\u884c\u4e1a\u5e94\u7528\u89e3\u51b3\u65b9\u6848\u3002<\/span><\/span>

\n
<\/p>\n

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

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

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