{"id":1902,"date":"2018-12-22T09:16:55","date_gmt":"2018-12-22T09:16:55","guid":{"rendered":""},"modified":"2018-12-22T17:16:08","modified_gmt":"2018-12-22T09:16:08","slug":"%e8%83%8c%e5%85%89%e9%a9%b1%e5%8a%a8%e7%94%b5%e8%b7%af%e7%9a%84%e9%80%89%e6%8b%a9%e7%ad%96%e7%95%a5%e5%92%8c%e5%ba%94%e7%94%a8%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=1902","title":{"rendered":"\u80cc\u5149\u9a71\u52a8\u7535\u8def\u7684\u9009\u62e9\u7b56\u7565\u548c\u5e94\u7528\u4ecb\u7ecd"},"content":{"rendered":"

\n\t\u8d8a\u6765\u8d8a\u591a\u7684\u4fbf\u643a\u5f0f\u6d88\u8d39\u7535\u5b50\u4ea7\u54c1\u914d\u5907\u4e86\u5f69\u8272\u663e\u793a\u5c4f\uff0c\u4f8b\u5982\u624b\u673a\u3001\u6570\u7801\u76f8\u673a\u3001PDA\u3001MP3\u3001PMP\u64ad\u653e\u5668\u7b49\uff0c\u5176\u4e2d\u624b\u673a\u53c8\u5360\u636e\u4e86\u8fd9\u4e2a\u5e02\u573a\u7684\u7edd\u5927\u90e8\u5206\u4efd\u989d\uff0c\u4ece\u800c\u5bfc\u81f4\u4e86\u8fd9\u4e24\u5e74\u6765\u4e2d\u5c0f\u5c3a\u5bf8\u663e\u793a\u5c4f\u4ea7\u4e1a\u94fe\u7684\u98de\u901f\u53d1\u5c55\u3002\u6839\u636e\u5e94\u7528\u7684\u4e0d\u540c\uff0c\u663e\u793a\u5c4f\u4f1a\u6709\u4e0d\u540c\u7684\u79cd\u7c7b\uff0c\u4f8b\u5982TFT-LCD\u3001CSTN-LCD\u4ee5\u53caOLED\u663e\u793a\u5c4f\uff0c\u4ece\u5e02\u573a\u7684\u5e94\u7528\u770b\uff0cOLED\u663e\u793a\u5c4f\u53ea\u662f\u5728\u6298\u53e0\u5f0f\u624b\u673a\u7684\u526f\u5c4f\u4ee5\u53caMP3\u7684\u5e02\u573a\u4e0a\u5360\u6709\u4e00\u5b9a\u7684\u4efd\u989d\uff0c\u800c\u5e02\u573a\u7684\u4e3b\u6d41\u4f9d\u7136\u662fTFT\u548cCSTN\uff0c\u8fd9\u4e24\u79cd\u7c7b\u578b\u7684LCD\u5c4f\u5360\u636e\u4e86\u73b0\u6709\u7684\u4e2d\u5c0f\u5c3a\u5bf8\u663e\u793a\u5c4f\u51fa\u8d27\u91cf\u7684\u7edd\u5927\u90e8\u5206\u3002\u672c\u6587\u91cd\u70b9\u5c31\u4e2d\u5c0f\u5c3a\u5bf8\u7684LCD\u663e\u793a\u5c4f\u7684\u80cc\u5149\u9a71\u52a8\u89e3\u51b3\u65b9\u6848\u4f5c\u4e00\u4e2a\u5206\u6790\u4ecb\u7ecd\u3002 <\/p>\n

\t\"\"\u56fe1\uff1a\u4e00\u79cd\u5178\u578b\u7684\u4e32\u8054\u9a71\u52a8\u7535\u8def\u3002
\n\t\u80cc\u5149\u9a71\u52a8\u7684\u6280\u672f\u5206\u6790 <\/p>\n

\tLCD\u663e\u793a\u5c4f\u81ea\u8eab\u5e76\u4e0d\u53d1\u5149\uff0c\u4e3a\u4e86\u53ef\u4ee5\u6e05\u695a\u5730\u770b\u5230LCD\u663e\u793a\u5c4f\u7684\u5185\u5bb9\uff0c\u9700\u8981\u4e00\u5b9a\u7684\u767d\u5149\u80cc\u5149\u6e90\u3002\u5728\u4e2d\u5c0f\u5c3a\u5bf8LCD\u663e\u793a\u5c4f\u4e2d\uff0c\u4e00\u822c\u91c7\u7528\u767d\u5149LED\u4f5c\u4e3a\u663e\u793a\u5c4f\u7684\u80cc\u5149\u6e90\u3002\u767d\u8272LED\u80cc\u5149\u7535\u6e90\u7531\u6570\u4e2a\u767d\u5149LED\u7ec4\u6210\uff0c\u5982\u624b\u673a\u3001\u6570\u7801\u76f8\u673a\u4e00\u822c\u4ec5\u9700\u89812\u52303\u4e2a\u767d\u5149LED\uff0c\u800cPDA\u548cPMP\u5219\u6839\u636e\u5176\u663e\u793a\u5c4f\u7684\u9762\u79ef\uff0c\u53ef\u80fd\u9700\u89813\u52306\u4e2aLED\u3002\u5bf9\u80cc\u5149\u9a71\u52a8\u7535\u8def\u7684\u8981\u6c42\u662f\uff1a <\/p>\n

\t1. \u6ee1\u8db3\u80cc\u5149\u7684\u4eae\u5ea6\u8981\u6c42\uff1b <\/p>\n

\t2. \u6574\u4e2a\u663e\u793a\u5c4f\u4eae\u5ea6\u5747\u5300(\u4e0d\u5141\u8bb8\u6709\u67d0\u4e00\u90e8\u5206\u8f83\u4eae\u3001\u53e6\u4e00\u90e8\u5206\u8f83\u6697\u7684\u60c5\u51b5)\uff1b <\/p>\n

\t3. \u4eae\u5ea6\u53ef\u4ee5\u65b9\u4fbf\u5730\u8c03\u8282\uff1b <\/p>\n

\t4. \u9a71\u52a8\u7535\u8def\u5360PCB\u7a7a\u95f4\u8981\u5c0f\uff1b <\/p>\n

\t5. \u5de5\u4f5c\u6548\u7387\u9ad8\uff1b <\/p>\n

\t6. \u7efc\u5408\u6210\u672c\u4f4e\uff1b <\/p>\n

\t7. \u5bf9\u7cfb\u7edf\u5176\u5b83\u6a21\u5757\u5e72\u6270\u5c0f\u3002 <\/p>\n

\t\u6839\u636e\u5e94\u7528\u573a\u5408\u4e0d\u540c\uff0c\u7cfb\u7edf\u8bbe\u8ba1\u8005\u5173\u6ce8\u7684\u91cd\u70b9\u53ef\u80fd\u4f1a\u6709\u6240\u5dee\u522b,\u4f8b\u5982\u5bf9\u4e8e\u4f4e\u6210\u672c\u7684\u4ea7\u54c1\u65b9\u6848\uff0c\u53ef\u80fd\u4f1a\u628a\u6574\u4e2a\u9a71\u52a8\u7535\u8def\u7684\u6210\u672c\u653e\u5728\u7b2c\u4e00\u4f4d\uff1b\u5bf9\u4e8e\u624b\u673a\u5e94\u7528\uff0c\u767d\u5149\u9a71\u52a8\u7535\u8def\u5bf9\u5176\u4ed6\u6a21\u5757\u662f\u5426\u4f1a\u4ea7\u751fEMI\u5e72\u6270\u5219\u662f\u8981\u91cd\u70b9\u8003\u8651\u7684\u56e0\u7d20\uff1b\u800c\u5728MP3\u5e94\u7528\u4e2d\uff0c\u53c8\u6709\u53ef\u80fd\u5bf9EMI\u5e72\u6270\u4e0d\u592a\u5173\u5fc3\u3002<\/p>\n

\t\"\"\u56fe2\uff1a\u4e00\u79cdLED\u5f00\u8def\u4fdd\u62a4\u7535\u8def\u3002
\n\t\u767d\u5149LED\u9a71\u52a8\u5668\u57fa\u672c\u4e0a\u6709\u4e24\u79cd\u9a71\u52a8\u65b9\u5f0f\uff1a1. \u91c7\u7528\u7535\u611f\u5347\u538b\u5f0fDC\/DC\u5347\u538b\u53d8\u6362\u7684\u539f\u7406\u6765\u9a71\u52a8\uff0c\u6240\u6709\u7684LED\u4e32\u8054\u63a5\u5728\u4e00\u8d77\uff0c\u4e00\u822c\u4e5f\u53eb\u505a\u4e32\u8054\u578b\u9a71\u52a8\u65b9\u5f0f\uff1b2. \u91c7\u7528\u5347\u538b\u5f0f\u7535\u8377\u6cf5\u9a71\u52a8\u7535\u8def\uff0c\u6240\u4ea7\u751f\u7684\u7535\u538b\u4e00\u822c\u57285V\/4.5V\u6216\u8005\u662f\u6839\u636eLED\u7684\u6b63\u5411\u5bfc\u901a\u7535\u538b\u800c\u81ea\u9002\u5e94\u786e\u5b9a\u7684\u4e00\u4e2a\u7535\u538b\uff0c\u6240\u6709\u7684LED\u5e76\u8054\u5728\u4e00\u8d77\uff0c\u4e00\u822c\u4e5f\u53eb\u505a\u5e76\u8054\u578b\u9a71\u52a8\u65b9\u5f0f\u3002 <\/p>\n

\t\u4e32\u8054\u9a71\u52a8\u7535\u8def <\/p>\n

\t\u4ece\u6280\u672f\u53d1\u5c55\u7684\u89d2\u5ea6\u770b\uff0c\u4e32\u8054\u578b\u9a71\u52a8\u51fa\u73b0\u7684\u6bd4\u8f83\u65e9\uff0c\u6280\u672f\u4e0a\u4e5f\u6bd4\u8f83\u6210\u719f\u3002\u4ee5\u542f\u6500\u5fae\u7535\u5b50\u7684CP2126\u4e3a\u4f8b\uff0c\u5178\u578b\u7684\u4e32\u8054\u578b\u9a71\u52a8\u7535\u8def\u5982\u56fe1\u6240\u793a\u3002 <\/p>\n

\t\u4ee5CP2126\u4e3a\u4f8b\uff0c\u4e00\u822c\u800c\u8a00\uff0c\u91c7\u7528\u4e32\u8054\u65b9\u5f0f\u4f7f\u6d41\u8fc7\u6bcf\u4e00\u4e2aLED\u7684\u7535\u6d41\u90fd\u4e00\u6837\uff0c\u5219\u53d1\u5149\u7684\u5747\u5300\u6027\u597d\uff1b\u540c\u65f6\u7531\u4e8e\u5176\u5347\u538b\u539f\u7406\uff0c\u6240\u4ea7\u751f\u7684\u7535\u538b\u4f9d\u8d56\u4e8eLED\u5bfc\u901a\u6307\u5b9a\u7535\u6d41\u65f6\u6240\u9700\u8981\u7684\u7535\u538b\uff0c\u53cd\u9988\u7535\u538bCS\u5185\u90e8\u8bbe\u5b9a\u4e3a95mV\uff0c\u53ef\u4ee5\u8ba1\u7b97\u51fa\u5f53\u9700\u898115mA\u7684LED\u7535\u6d41\u65f6\uff0cR1\u7684\u503c\u5e94\u8be5\u4e3a\uff1a 
\n\t\"\"<\/p>\n

\t\u65e0\u8bba\u662f\u9a71\u52a82\u4e2aLED\u8fd8\u662f\u591a\u8fbe5\u4e2aLED\uff0c\u90fd\u53ef\u4ee5\u901a\u8fc7\u6539\u53d8R1\u7684\u7535\u963b\u503c\u7075\u6d3b\u5730\u8bbe\u5b9aLED\u7684\u4eae\u5ea6\uff0c\u5728SHDN\u5f15\u811a\u65bd\u52a0\u4e00\u5b9a\u5360\u7a7a\u6bd4\u7684PWM\u63a7\u5236\u4fe1\u53f7\uff0c\u53ef\u4ee5\u4f7fLED\u7684\u4eae\u5ea6\u4ece\u4e0d\u4eae\u5230\u6ee1\u4eae\u5ea6\u4e4b\u95f4\u65e0\u7ea7\u53d8\u5316\u3002 <\/p>\n

\"\"<\/div>\n

\n\t\u56fe3\uff1a\u4e24\u500d\u7535\u8377\u6cf5\u9a71\u52a8\u7535\u8def\u3002<\/p>\n

\n\t <\/p>\n



\n\u5728CP2126\u7684\u8bbe\u8ba1\u4e2d\u6ce8\u610f\u4e86\u4e24\u4e2a\u95ee\u9898\uff1a <\/span>

\n

\n1. \u907f\u514d\u4e86EMI\u7684\u5e72\u6270\u95ee\u9898 <\/span>

\n

\nCP2126\u907f\u514d\u4e86\u4e00\u822c\u7684\u4e32\u8054\u578bLED\u9a71\u52a8\u7535\u8def\u4e2d\u7535\u611f\u548c\u5927\u7535\u6d41\u5f00\u5173\u6240\u4ea7\u751f\u7684EMI\u5e72\u6270\u95ee\u9898\uff0c\u5bf9\u4e8e\u8bf8\u5982MP3\u3001PMP\u4e4b\u7c7b\u7684\u5e94\u7528\u573a\u5408\uff0c\u8fd9\u4e2a\u95ee\u9898\u53ef\u80fd\u5f71\u54cd\u4e0d\u5927\uff0c\u4f46\u662f\u5728\u624b\u673a\u5e94\u7528\u4e2d\uff0cEMI\u5e72\u6270\u4f1a\u9020\u6210\u624b\u673a\u7684\u63a5\u6536\u7075\u654f\u5ea6\u53d8\u5dee\u3002CP2126\u901a\u8fc7\u4f18\u5316\u5185\u90e8\u7535\u8def\u7684\u8bbe\u8ba1\uff0c\u907f\u514d\u4e86\u8fd9\u4e2a\u95ee\u9898\u3002\u88681\u5bf9\u6bd4\u4e86\u4e24\u6b3e\u4e32\u8054\u9a71\u52a8\u82af\u7247\u5728\u76f8\u540c\u7684\u5e94\u7528\u60c5\u51b5\u4e0b\uff0c\u5bf9\u624b\u673a\u63a5\u6536\u7075\u654f\u5ea6\u7684\u5f71\u54cd\u3002 <\/span>

\n

\n\u53ef\u4ee5\u770b\u5230\uff0cCP2126\u7684\u5de5\u4f5c\u4e0e\u5426\u5bf9\u624b\u673a\u63a5\u6536\u7075\u654f\u5ea6\u7684\u6307\u6807\u51e0\u4e4e\u6ca1\u6709\u5f71\u54cd\uff0c\u800c\u82af\u7247X\u5728\u5de5\u4f5c\u65f6\uff0c\u7531\u4e8eEMI\u7684\u5e72\u6270\u9020\u6210\u4e86\u624b\u673a\u63a5\u6536\u7075\u654f\u5ea6\u7684\u4e0b\u964d\u3002\u540c\u65f6\uff0cCP2126\u5728\u8f93\u51653.6V\u9a71\u52a83\u4e2a\u767d\u5149LED\u7684\u5178\u578b\u5e94\u7528\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u8fbe\u523083%\u7684\u8f6c\u6362\u6548\u7387\u3002 <\/span>

\n

\nPCB\u8bbe\u8ba1\u4e5f\u4f1a\u5bf9\u7535\u8def\u6027\u80fd\u6709\u6bd4\u8f83\u5927\u7684\u5f71\u54cd\u3002\u4e00\u822c\u800c\u8a00\u9ad8\u9891\u90e8\u5206\u7684\u8d70\u7ebf\u5e94\u8be5\u5c3d\u53ef\u80fd\u7684\u77ed\u800c\u7c97\uff0c\u5bf9\u5730\u7684\u8fc7\u5b54\u5c3d\u53ef\u80fd\u7684\u5927\u800c\u591a\uff0c\u5728CP2126\u7684\u76f8\u5173\u8d44\u6599\u4e2d\u5bf9\u6b64\u90fd\u6709\u6bd4\u8f83\u8be6\u7ec6\u7684\u8bf4\u660e\u3002 <\/span>

\n

\n2. \u5185\u7f6e\u8f93\u51fa\u5f00\u8def\u4fdd\u62a4\u7535\u8def <\/span>

\n

\n\u5728\u5e94\u7528\u4e2d\uff0c\u6709\u53ef\u80fd\u51fa\u73b0LED\u7684\u5f00\u8def\u6545\u969c\u60c5\u51b5\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u7531\u4e8eCS\u5f15\u811a\u7684\u53cd\u9988\u7535\u538b\u59cb\u7ec8\u4e3a0\uff0c\u5982\u679c\u6ca1\u6709\u4fdd\u62a4\u7535\u8def\uff0c\u8fd9\u79cd\u5347\u538b\u578b\u7684\u7535\u8def\u5c31\u4f1a\u4e00\u76f4\u5347\u538b\u76f4\u5230\u5185\u90e8\u7684\u5f00\u5173\u7ba1\u88ab\u51fb\u7a7f\u800c\u635f\u574f\u3002\u6240\u4ee5\uff0c\u6ca1\u6709\u5185\u7f6e\u5f00\u8def\u4fdd\u62a4\u7535\u8def\u7684\u82af\u7247\u4f1a\u8981\u6c42\u5916\u90e8\u589e\u52a0\u4e00\u4e2a\u9f50\u7eb3\u4e8c\u6781\u7ba1\uff0c\u5229\u7528\u5b83\u7684\u51fb\u7a7f\u6765\u4fdd\u62a4\u5185\u90e8\u7684\u5f00\u5173\u7ba1\u3002\u4fdd\u62a4\u7535\u8def\u5982\u56fe2\u6240\u793a\u3002 <\/span>

\n\"\"\u56fe4\uff1a\u6df7\u5408\u6a21\u5f0f\u63a7\u5236\u539f\u7406\u56fe\u3002<\/span>

\n\u663e\u800c\u6613\u89c1\uff0c\u8fd9\u6837\u7684\u4fdd\u62a4\u7535\u8def\u53c8\u589e\u52a0\u4e86\u7cfb\u7edf\u7684\u6210\u672c\u548cPCB\u7684\u9762\u79ef\uff0c\u53e6\u4e00\u79cd\u4fdd\u62a4\u65b9\u5f0f\u662f\u589e\u52a0\u4e00\u4e2a\u5f15\u811a\uff0c\u91c7\u7528\u5982SOT23\uff0d6L\u7684\u5c01\u88c5\uff0c\u5bf9VOUT\u7684\u7535\u538b\u91c7\u6837\u5e76\u8fdb\u884c\u68c0\u6d4b\u3002CP2126\u7684\u8bbe\u8ba1\u53ef\u4ee5\u4fdd\u8bc1\u5916\u56f4\u5e94\u7528\u7535\u8def\u65e0\u987b\u505a\u4efb\u4f55\u6539\u52a8\uff0c\u5728LED\u5f00\u8def\u7684\u60c5\u51b5\u4e0b\u82af\u7247\u4f9d\u7136\u4e0d\u88ab\u635f\u574f\uff0c\u5f53\u6545\u969c\u72b6\u6001\u89e3\u9664\u540e\uff0c\u82af\u7247\u53c8\u53ef\u4ee5\u6b63\u5e38\u5de5\u4f5c\u3002 <\/span>

\n

\n\u5e76\u8054\u9a71\u52a8\u7535\u8def <\/span>

\n

\n\u867d\u7136\u4e32\u8054\u9a71\u52a8\u7535\u8def\u5177\u5907\u4e86\u6548\u7387\u9ad8\u7684\u4f18\u70b9\uff0c\u4f46\u662f\u6574\u4f53\u7684\u89e3\u51b3\u65b9\u6848\u9700\u8981\u4e00\u4e2a\u7535\u611f\u548c\u4e00\u4e2a\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\uff0c\u8fd9\u53c8\u989d\u5916\u589e\u52a0\u4e86\u7cfb\u7edf\u6210\u672c\uff0c\u4f7f\u5f97\u6700\u7ec8\u7684\u7efc\u5408\u6210\u672c\u548c\u5e76\u8054\u76f8\u6bd4\uff0c\u5e76\u4e0d\u4e00\u5b9a\u6709\u4f18\u52bf\u3002\u540c\u65f6\uff0c\u8d34\u7247\u7535\u611f\u7684\u4f53\u79ef\u8f83\u5927\uff0c\u4e00\u822c\u67095.2×5.2mm2\u5927\u5c0f\uff0c\u540c\u65f6\u8fd8\u6709\u53ef\u80fd\u4ea7\u751fEMI\u5e72\u6270\u3002 <\/span>

\n

\n\u56fa\u5b9a\u6a21\u5f0f\u5e76\u8054\u9a71\u52a8\u7535\u8def <\/span>

\n

\n\u65e9\u671f\u7684\u5e76\u8054\u9a71\u52a8\u7535\u8def\u53ea\u662f\u89e3\u51b3\u4e86LED\u6240\u9700\u8981\u7684\u7535\u538b\u95ee\u9898\uff0c\u5b83\u628a\u7535\u6c60\u7535\u538b\u7edf\u4e00\u901a\u8fc7\u7535\u8377\u6cf5\u7684\u65b9\u5f0f\u5347\u538b\u52305V\u6216\u80054.5V\u7684\u8fd9\u6837\u4e00\u4e2a\u56fa\u5b9a\u7684\u7535\u538b\uff0c\u7136\u540e\u6bcf\u4e00\u4e2aLED\u901a\u8fc7\u4e32\u8054\u4e00\u5b9a\u7684\u7535\u963b\u963b\u503c\u6765\u63a7\u5236LED\u7684\u7535\u6d41\u3002 <\/span>

\n

\n\u7535\u8377\u6cf5\u7535\u8def\u7684\u4e00\u4e2a\u57fa\u672c\u7f3a\u70b9\u5728\u4e8e\uff0c\u5728\u7ed9\u5b9a\u7684\u8f93\u51fa\u7535\u538b\u8981\u6c42\u60c5\u51b5\u4e0b\uff0c\u968f\u7740\u8f93\u5165\u7535\u538b\u7684\u53d8\u5316\uff0c\u8f6c\u6362\u6548\u7387\u53d8\u5316\u5f88\u5927\uff0c\u7406\u8bba\u4e0a\uff0c\u4e24\u500d\u7535\u8377\u6cf5\u7535\u8def\u6240\u80fd\u8fbe\u5230\u7684\u6700\u9ad8\u6548\u7387\u4e3a\uff1a <\/span>

\n

\n\"\"

\n

\n\u4f8b\u5982\uff0c\u5f53VIN=3.1V\uff0cVOUT=5V\u65f6\uff0c\u6548\u7387\u53ef\u4ee5\u8fbe\u523083.3%\uff0c\u7531\u4e8e\u5185\u90e8\u5668\u4ef6\u7684\u635f\u8017\uff0c\u4e00\u822c\u4e5f\u53ef\u4ee5\u8fbe\u523080%\u4ee5\u4e0a\u3002\u4f46\u662f\uff0c\u5f53VIN=4.2V,VOUT=5V\u65f6\uff0c\u7406\u8bba\u6548\u7387\u6700\u9ad8\u5c31\u53ea\u670959.5%\u3002<\/span>

\n

\n\"\"<\/p>\n

\n\t\u56fe5\uff1aCP2130\/1\/3\u7684\u5de5\u4f5c\u6548\u7387\u56fe\u3002<\/p>\n



\n\u4ece\u56fe3\u4e2d\u53ef\u4ee5\u770b\u5230\uff0cCP2128\u5916\u56f4\u5143\u4ef6\u53ea\u9700\u8981\u4e09\u4e2a\u7535\u5bb9\uff0c\u6839\u636e\u9a71\u52a8LED\u706f\u7684\u6570\u76ee\u7684\u4e0d\u540c\uff0c\u9700\u89811\u52305\u4e2a\u7535\u963b\uff0c\u548c\u4e32\u8054\u9a71\u52a8\u7535\u8def\u76f8\u6bd4\uff0c\u867d\u7136\u5177\u6709\u6548\u7387\u4e0d\u9ad8\u7684\u7f3a\u70b9\uff0c\u4f46\u662f\u5916\u56f4\u5143\u4ef6\u7684\u6210\u672c\u548c\u6240\u5360PCB\u9762\u79ef\u90fd\u6bd4\u8f83\u5c0f\uff0c\u8fd8\u53ef\u4ee5\u8bf4\u662f\u4e00\u4e2a\u6210\u672c\u76f8\u5f53\u4f4e\u7684\u89e3\u51b3\u65b9\u6848\u3002 <\/span>

\n

\n\u6df7\u5408\u6a21\u5f0f\u5e76\u8054\u9a71\u52a8\u7535\u8def <\/span>

\n

\n\u4e3a\u4e86\u80fd\u591f\u548c\u4e32\u8054\u9a71\u52a8\u76f8\u6297\u8861\uff0c\u5e76\u8054\u9a71\u52a8\u7535\u8def\u8981\u91cd\u70b9\u89e3\u51b3\u4e24\u4e2a\u95ee\u9898\uff1a\u4e00\u4e2a\u662f\u6548\u7387\uff0c\u4e00\u4e2a\u662f\u7535\u6d41\u5339\u914d\u3002\u4e3a\u4e86\u63d0\u9ad8\u6548\u7387\uff0c\u975e\u5e38\u6709\u5fc5\u8981\u5f15\u5165\u65b0\u7684\u5de5\u4f5c\u6a21\u5f0f\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u9a71\u52a8\u7535\u8def\u6240\u4ea7\u751f\u7684\u8f93\u51fa\u7535\u538b\u4e0d\u518d\u662f\u4e00\u4e2a\u56fa\u5b9a\u503c\uff0c\u800c\u662f\u4e00\u4e2a\u9002\u5f53\u5e76\u4e14\u53ef\u4ee5\u9a71\u52a8LED\u7684\u7535\u538b\u503c\u3002 <\/span>

\n

\n\u4e00\u822c\u6765\u8bf4\uff0c\u767d\u5149LED\u5728\u5de5\u4f5c\u7535\u6d41\u4e3a20mA\u65f6\uff0c\u6b63\u5411\u5bfc\u901a\u7535\u538b\u4e00\u822c\u57283.1~3.5V\u5de6\u53f3\u3002\u9502\u7535\u6c60\u7684\u989d\u5b9a\u7535\u538b\u4e3a3.6V\u62163.7V\uff0c\u5145\u6ee1\u7535\u540e\u7684\u7535\u538b\u4e00\u822c\u57284.2V~4.3V\uff0c\u9502\u79bb\u5b50\u7535\u6c60\u5141\u8bb8\u6df1\u5ea6\u653e\u7535\u52302.7V\uff0c\u4f46\u662f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u4e00\u822c\u624b\u673a\u8bbe\u7f6e\u7684\u5f3a\u5236\u5173\u673a\u7535\u538b\u4e3a3.6V\u5de6\u53f3(\u4e0d\u540c\u6574\u673a\u5382\u5546\u8bbe\u5b9a\u7684\u5f3a\u5236\u5173\u673a\u7535\u538b\u53ef\u80fd\u4e0d\u540c)\u3002\u5728\u7535\u6c60\u5145\u6ee1\u7535\u540e\uff0c\u8fd9\u4e2a\u7535\u538b\u8db3\u4ee5\u76f4\u63a5\u9a71\u52a8LED\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u7535\u8377\u6cf5\u7535\u8def\u4e0d\u5de5\u4f5c\uff0c\u7535\u6c60\u7684\u7535\u538b\u901a\u8fc7\u4e00\u4e2a\u5f00\u5173\u76f4\u63a5\u5230VOUT\u7136\u540e\u9a71\u52a8LED\u3002\u800c\u968f\u7740\u7535\u6c60\u7684\u653e\u7535\uff0c\u7535\u6c60\u7535\u538b\u4f1a\u9010\u6b65\u964d\u4f4e\uff0c\u5f53\u964d\u4f4e\u5230\u4e00\u5b9a\u7a0b\u5ea6\u4e0d\u8db3\u4ee5\u76f4\u63a5\u9a71\u52a8LED\u65f6\uff0c\u7535\u8377\u6cf5\u7535\u8def\u5f00\u59cb\u5de5\u4f5c\u3002\u6240\u4ee5\u96c6\u6210\u591a\u79cd\u9a71\u52a8\u6a21\u5f0f\u6210\u4e3a\u80cc\u5149\u9a71\u52a8\u7684\u4e3b\u6d41\u89e3\u51b3\u65b9\u6848\uff0c\u5373\u6240\u8c13\u96c6\u62101\u500d\u6a21\u5f0f\u548c1.5\u500d\u6a21\u5f0f\uff0c\u5e76\u4e14\u5728\u5c3d\u53ef\u80fd\u7684\u60c5\u51b5\u4e0b\uff0c\u8ba9\u7535\u8def\u5de5\u4f5c\u57281\u500d\u7684\u76f4\u901a\u6a21\u5f0f\u4e0b\u3002\u542f\u6500\u65b0\u63a8\u51fa\u7684CP2130\/1\/3\uff0c\u5f88\u597d\u7684\u89e3\u51b3\u4e86\u8fd9\u4e24\u4e2a\u95ee\u9898\u3002\u5176\u4e2dCP2130\u53ef\u4ee5\u6700\u591a\u9a71\u52a85\u4e2aLED\uff0cCP2131\u53ef\u4ee5\u6700\u591a\u9a71\u52a83\u4e2aLED\uff0cCP2133\u53ef\u4ee5\u6700\u591a\u9a71\u52a84\u4e2aLED\u3002\u56fe4\u4e3a\u6df7\u5408\u6a21\u5f0f\u63a7\u5236\u539f\u7406\u56fe\u3002<\/span>

\n

\n\"\"<\/p>\n

\n\t\u56fe6\uff1a\u4e00\u79cd\u5178\u578b\u7684\u6df7\u5408\u6a21\u5f0f\u9a71\u52a8\u7535\u8def\u3002<\/p>\n



\n\u540c\u6837\uff0c\u5bf9\u4e8e\u7cfb\u7edf\u5e94\u7528\u800c\u8a00\uff0c\u6700\u5173\u5fc3\u7684\u6307\u6807\u4ecd\u662f\u6548\u7387\u548cLED\u7535\u6d41\u5339\u914d\u5ea6\u3002\u6240\u8c13\u6548\u7387\uff0c\u5c3d\u53ef\u80fd\u5730\u5de5\u4f5c\u57281\u500d\u6a21\u5f0f\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u6574\u4e2a\u7535\u6c60\u5de5\u4f5c\u7535\u538b\u8303\u56f4\u7684\u7535\u6e90\u8f6c\u6362\u6548\u7387\u3002 <\/span>

\n

\n1. \u6548\u7387 <\/span>

\n

\n\u5bf9\u4e8e\u5173\u6ce8\u7684\u6548\u7387\u95ee\u9898\uff0cCP2130\/1\/3\u5b9e\u73b0\u4e86\u4e24\u79cd\u5de5\u4f5c\u6a21\u5f0f\u81ea\u9002\u5e94\u52a8\u6001\u5207\u6362(\u5373\u6839\u636e\u7535\u6c60\u7535\u538b\u548cLED\u5b9e\u9645\u5bfc\u901a\u538b\u964d\u5224\u65ad)\uff0c\u800c\u4e0d\u662f\u56fa\u5b9a\u7535\u538b\u70b9\u5207\u6362(\u5373\u53ea\u8003\u8651\u7535\u6c60\u7535\u538b)\uff0c\u4ece\u800c\u663e\u8457\u63d0\u9ad8\u4e86\u6548\u7387\u3002\u53ea\u8981\u7535\u6c60\u7535\u538b\u6bd4LED\u7684\u5de5\u4f5c\u7535\u538b\u9ad8350mV\u81f3550mV(\u6839\u636eEN1\u548cEN2\u7684\u5f15\u811a\u8bbe\u5b9a\u4e0d\u540c\u800c\u4e0d\u540c)\u65f6\uff0cCP2130\/1\/3\u5c31\u53ef\u4ee5\u5de5\u4f5c\u5728\u76f8\u5bf9\u6548\u7387\u8f83\u9ad8\u7684\u4e00\u500d\u6a21\u5f0f\u4e0b\u3002<\/span>

\n

\n\u56fe5\u6240\u793a\u4e3a\u5178\u578b\u5e94\u7528\u60c5\u51b5\u4e0bCP2130\/1\/3\u7684\u5de5\u4f5c\u6548\u7387\u3002\u53ef\u4ee5\u770b\u5230\u6548\u7387\u6839\u636e\u5de5\u4f5c\u6a21\u5f0f\u7684\u4e0d\u540c\uff0c\u662f\u4e00\u4e2a\u4e24\u6bb5\u7684\u6298\u7ebf\u56fe\uff0c80\uff05\u7684\u7535\u6c60\u80fd\u91cf\u57283.6V~4.1V\u4e4b\u95f4\uff0c\u5728\u8fd9\u4e2a\u7535\u538b\u8303\u56f4\u5185\u53ef\u4ee5\u83b7\u5f97\u5e73\u574780%\u4ee5\u4e0a\u7684\u5de5\u4f5c\u6548\u7387\u3002 <\/span>

\n

\n2. \u7535\u6d41\u5339\u914d\u5ea6 <\/span>

\n

\n\u548c\u4e32\u8054\u9a71\u52a8\u76f8\u6bd4\uff0c\u5e76\u8054\u9a71\u52a8\u8981\u89e3\u51b3\u7684\u4e00\u4e2a\u91cd\u8981\u95ee\u9898\u5c31\u662f\u5404\u4e2aLED\u95f4\u7684\u7535\u6d41\u5339\u914d\uff0c\u7531\u4e8eLED\u7684\u53d1\u5149\u4eae\u5ea6\u662f\u548c\u5b83\u7684\u5de5\u4f5c\u7535\u6d41\u76f8\u5173\u7684\uff0c\u4e0d\u4e00\u6837\u7684\u7535\u6d41\u4f1a\u5bfc\u81f4\u663e\u793a\u5c4f\u7684\u4eae\u5ea6\u4e0d\u5747\u5300\u3002\u5bf9\u4e8e\u5e76\u8054\u9a71\u52a8\u7684LED\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cLED\u7531\u4e8e\u6279\u6b21\u7684\u4e0d\u540c\u548c\u4e2a\u4f53\u5dee\u5f02\uff0c\u5728\u540c\u6837\u5de5\u4f5c\u7535\u6d41\u60c5\u51b5\u4e0b\u7684\u6b63\u5411\u5bfc\u901a\u538b\u964d\u4e0d\u540c\uff0c\u53ef\u80fd\u4f1a\u670950mV~200mV\u5de6\u53f3\u7684\u7535\u538b\u5dee\u503c\uff0c\u8fd9\u8981\u6c42\u5728\u8bbe\u8ba1\u5185\u90e8\u7684\u7535\u6d41\u63a7\u5236\u7535\u8def\u65f6\u9700\u8981\u8003\u8651\u5230\u8fd9\u4e2a\u5dee\u5f02\u3002CP2130\/1\/3\u91c7\u7528\u7533\u8bf7\u4e86\u56fd\u5bb6\u4e13\u5229\u4fdd\u62a4\u7684Auto-Mirror\u6280\u672f\uff0c\u53ef\u4ee5\u4f7f\u5f97\u5404\u5e76\u8054\u767d\u5149LED\u7535\u6d41\u5339\u914d\u5ea6\u51e0\u4e4e\u4e0d\u968f\u767d\u5149LED\u5bfc\u901a\u538b\u964d\u7684\u5dee\u522b\u800c\u53d8\u5316\u3002\u5373\u4f7f\u5bfc\u901a\u538b\u964d\u5dee\u572850mV~200mV\u4e4b\u95f4\uff0cLED\u7684\u7535\u6d41\u5339\u914d\u5ea6\u4ecd\u7136\u53ef\u4ee5\u8fbe\u52302%\u4ee5\u5185\u3002 <\/span>

\n

\n\u56fe6\u662f\u4e00\u79cd\u5178\u578b\u5e94\u7528\u60c5\u51b5\uff0cCP2130\/1\/3\u91c7\u7528QFN 3*3mm2 16\u5f15\u811a\u7684\u5c01\u88c5\uff0c\u540c\u65f6\u5916\u56f4\u5143\u4ef6\u76f8\u5f53\u7b80\u5355\uff0c\u53ea\u9700\u89814\u4e2a\u7535\u5bb9\u3002 <\/span>

\n

\n3. \u652f\u6301PWM\u8c03\u5149 <\/span>

\n

\n\u76ee\u524d\u8c03\u5149\u65b9\u5f0f\u4e3b\u8981\u6709\u4e24\u79cd\uff0c\u4e00\u79cd\u662f\u901a\u8fc7\u6539\u53d8LED\u7684\u76f4\u6d41\u5de5\u4f5c\u7535\u6d41\u7684\u65b9\u5f0f\u6765\u8c03\u6574\u4eae\u5ea6\uff0c\u4f8b\u5982\uff0c\u6709\u7684\u82af\u7247\u901a\u8fc7\u8bbe\u7f6e\u5185\u90e8\u7684\u5bc4\u5b58\u5668\u6765\u76f4\u63a5\u8bbe\u7f6eLED\u7684\u76f4\u6d41\u5de5\u4f5c\u7535\u6d41\uff0c\u4ece\u800c\u8fbe\u5230\u4e0d\u540c\u7684\u4eae\u5ea6\u7ea7\uff0c\u8fd9\u79cd\u65b9\u5f0f\u7684\u7f3a\u70b9\u662f\u53ef\u80fd\u4f1a\u4ea7\u751f\u8272\u79fb\u3002\u6240\u8c13\u767d\u5149LED\uff0c\u5176\u5b9e\u662f\u5229\u7528\u4e00\u79cd\u4f5c\u4e3a\u5176\u7ba1\u82af\u7684\u84dd\u5149\uff2c\uff25\uff24\u6240\u53d1\u51fa\u7684\u77ed\u6ce2\u957f\u7d2b\u84dd\u5149\uff0c\u6fc0\u53d1\u6d82\u5e03\u4e8e\u8f93\u51fa\u5149\u5b66\u900f\u955c\u5185\u58c1\u7684\u8367\u5149\u6750\u6599\uff0c\u8fdb\u800c\u4ea7\u751f\u6ce2\u8c31\u8f83\u5bbd\u7684\u767d\u8272\u590d\u5408\u5149\u3002\u5728\u975e\u989d\u5b9a\u7535\u6d41\u5de5\u4f5c\u60c5\u51b5\u4e0b\uff0cLED\u6240\u4ea7\u751f\u7684\u5149\u8c31\u4f1a\u6709\u53d8\u5316\uff0c\u5bfc\u81f4\u6700\u7ec8\u7684\u767d\u5149\u6709\u8272\u79fb\u3002<\/span>

\n

\n\"\"<\/p>\n

\n\t\u88681\uff1aLED\u9a71\u52a8\u7535\u8def\u5bf9\u624b\u673a\u4fe1\u53f7\u63a5\u6536\u7075\u654f\u5ea6\u5f71\u54cd\u7684\u5bf9\u6bd4\u6d4b\u8bd5<\/p>\n



\n\u800c\u53e6\u4e00\u79cd\u65b9\u5f0f\u5c31\u662fPWM\u8c03\u5149\uff0c\u5229\u7528\u4eba\u773c\u7684\u89c6\u89c9\u6682\u505c\u539f\u7406\uff0c\u4ee5\u4e00\u5b9a\u7684\u9891\u7387\u548c\u5360\u7a7a\u6bd4\u6765\u5468\u671f\u6027\u7684\u63a7\u5236\u767d\u5149LED\u7684\u5bfc\u901a\u7535\u6d41\u5728\u96f6\u7535\u6d41\u5230\u989d\u5b9a\u5de5\u4f5c\u7535\u6d41\u4e4b\u95f4\u6765\u56de\u5207\u6362\uff0c\u4ece\u800c\u8c03\u6574\u4eae\u5ea6\uff0c\u8fd9\u79cd\u8c03\u5149\u65b9\u5f0f\u5c31\u4e0d\u4f1a\u4ea7\u751f\u8272\u79fb\u3002\u5728\u5e94\u7528\u65f6\uff0c\u4e3a\u4e86\u786e\u4fdd\u4eba\u773c\u770b\u4e0d\u5230LED\u5468\u671f\u4eae\u706d\u7684\u60c5\u51b5\uff0cPWM\u8c03\u5149\u7684\u9891\u7387\u4e00\u822c\u8981\u5927\u4e8e100Hz\uff0cCP2130\/1\/3\u53ef\u4ee5\u652f\u63010~50kHz\u7684\u8c03\u5149\u9891\u7387\u8303\u56f4\uff0c\u8fd9\u6837\u5927\u5927\u65b9\u4fbf\u4e86\u7cfb\u7edf\u7684\u8bbe\u8ba1\u3002\u5e76\u4e14\u7531\u4e8e\u82af\u7247\u4f18\u8d8a\u7684\u73af\u8def\u63a7\u5236\u7279\u6027\uff0c\u4fdd\u8bc1\u4e86\u8c03\u5149\u8fc7\u7a0b\u7684\u5e73\u7a33\uff0c\u6d88\u9664\u4e86\u53ef\u80fd\u6f5c\u5728\u7684\u566a\u58f0\u5e72\u6270\u3002 <\/span>

\n

\n\u540c\u65f6\u5bf9\u4e8e\u7b2c\u4e00\u79cd\u8c03\u5149\u65b9\u6cd5\uff0cCP2130\/1\/3\u4e5f\u8bbe\u7f6e\u4e86\u6ee1\u91cf\u7a0b\u30012\/3\u91cf\u7a0b\u548c1\/3\u91cf\u7a0b\u4e09\u4e2a\u7535\u6d41\u7b49\u7ea7\u6765\u5b9e\u73b0\u76f4\u6d41\u8c03\u5149\u65b9\u5f0f\u3002 <\/span>
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