{"id":2325,"date":"2019-04-11T01:05:05","date_gmt":"2019-04-11T01:05:05","guid":{"rendered":""},"modified":"2019-04-11T09:05:39","modified_gmt":"2019-04-11T01:05:39","slug":"%e7%94%b5%e6%b1%a0%e5%85%85%e7%94%b5%e5%99%a8%e5%ba%94%e7%94%a8%e4%b8%ad%e7%9a%84%e5%85%85%e7%94%b5%e7%94%b5%e6%b5%81%e8%b0%83%e5%88%b6","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2325","title":{"rendered":"\u7535\u6c60\u5145\u7535\u5668\u5e94\u7528\u4e2d\u7684\u5145\u7535\u7535\u6d41\u8c03\u5236"},"content":{"rendered":"

\n\t\u4f5c\u8005\uff1aVictor Khasiev\uff0cADI<\/u>\u516c\u53f8Power by Linear<\/u>\u9ad8\u7ea7\u5e94\u7528\u5de5\u7a0b\u5e08<\/p>\n

\n\tLTC4012\u662f\u4e00\u6b3e\u975e\u5e38\u53d7\u6b22\u8fce\u7684\u591a\u5316\u5b66\u7ec4\u6210\u7535\u6c60<\/u>\u5145\u7535\u5668\uff0c\u53ef\u7528\u4e8e\u591a\u79cd\u4e0d\u540c\u5e94\u7528\u3002\u8fd9\u6b3e\u63a7\u5236\u5668\u4e3a\u7528\u6237\u63d0\u4f9b\u6805\u6781\u9a71\u52a8\u5668\u3001\u7535\u6d41<\/u>\u68c0\u6d4b\u8f93\u5165\u3001\u6e29\u5ea6\u5408\u683c\u7684\u5145\u7535\u548c\u591a\u4e2a\u4fe1\u53f7\u8f93\u51fa\u3002 \u6570\u636e\u624b\u518c\u8fd8\u8be6\u7ec6\u8bf4\u660e\u4e86\u4e00\u7cfb\u5217\u6709\u7528\u7684\u529f\u80fd\u3002\u5176\u4e2d\u4e4b\u4e00\u662f\u5728\u6b63\u5e38\u5de5\u4f5c\u671f\u95f4\u6539\u53d8\u6216\u8c03\u5236\u5145\u7535\u7535\u6d41\u7684\u529f\u80fd\u3002\u8fd9\u4e00\u529f\u80fd\u4e3b\u8981\u7528\u4e8e\u8f93\u5165\u7535\u6d41\u53d7\u9650\u7684\u7cfb\u7edf\u3002\u4e00\u4e2a\u5f88\u597d\u7684\u4f8b\u5b50\u662f\u7531\u58c1\u5f0f\u9002\u914d\u5668\u4f9b\u7535\u7684\u8ba1\u7b97\u673a\u7cfb\u7edf\uff0c\u5176\u9002\u914d\u5668\u7684\u529f\u7387\u548c\u7535\u6d41\u80fd\u529b\u6709\u9650\u3002\u7136\u800c\uff0cCPU<\/u>\u548c\u5185\u5b58\u53ef\u80fd\u9700\u8981\u5360\u7528\u5f88\u5927\u4e00\u90e8\u5206\u9650\u503c\u3002\u663e\u7136\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u964d\u4f4e\u7535\u6c60\u5145\u7535\u7535\u6d41\u4ee5\u6ee1\u8db3CPU\u7684\u9700\u6c42\u662f\u4e2a\u660e\u667a\u7684\u9009\u62e9\u3002\u5145\u7535\u7535\u6d41\u7684\u7f16\u7a0b\u901a\u8fc7\u4ee5\u53ef\u53d8\u5360\u7a7a\u6bd4\u7684\u4fe1\u53f7\u63a7\u5236\u5916\u90e8\u6676\u4f53\u7ba1<\/u>\u6765\u5b9e\u73b0\uff08\u89c1\u56fe1\uff09\uff0c\u56fe\u793a\u96c6\u6210\u4e86“\u7f16\u7a0bPWM\u7535\u6d41”\u7535\u8def<\/u>\u3002\u672c\u6587\u65e8\u5728\u5efa\u7acb\u5145\u7535\u7535\u6d41\u968f\u63a7\u5236\u4fe1\u53f7\u5360\u7a7a\u6bd4\u6210\u7ebf\u6027\u53d8\u5316\u7684\u533a\u57df\u3002<\/p>\n

\n\t <\/div>\n

\n\t\"\u7535\u6c60\u5145\u7535\u5668\u5e94\u7528\u4e2d\u7684\u5145\u7535\u7535\u6d41\u8c03\u5236\"<\/p>\n

\n\t\u56fe1. \u91c7\u7528\u5145\u7535\u7535\u6d41PWM\u7684LTC4012\u9502\u79bb\u5b50\u7535\u6c60<\/u>\u5145\u7535\u5668\u7684\u7535\u539f\u7406\u56fe<\/p>\n

\n\t\u7535\u8def\u8bf4\u660e\u548c\u529f\u80fd<\/h2>\n

\n\t\u56fe1\u4e2d\u7684\u89e3\u51b3\u65b9\u6848\u5305\u62ecLTC4012\u7535\u6c60\u5145\u7535\u5668\u4ee5\u53ca\u7531MOSFET<\/u>S Q1\u3001Q2\u3001\u7535\u611f\u5668<\/u>L1\u548c\u8f93\u5165\u8f93\u51fa\u6ee4\u6ce2\u7535\u5bb9<\/u>\u7ec4\u6210\u7684\u529f\u7387\u94fe\u8def\u3002\u5728\u7535\u6e90\u6545\u969c\u6216\u6389\u7535\u7684\u60c5\u51b5\u4e0b\uff0cMOSFET Q3\u5c06\u5145\u7535\u5668\u4e0e\u8f93\u5165\u7ebf\u8def\u65ad\u5f00\uff0cMOSFET Q4\u5219\u5c06\u7535\u6c60\u8fde\u63a5\u5230\u8d1f\u8f7d\u3002\u901a\u8fc7\u4f4e\u529f\u8017MOSFET Q5\u7684\u6805\u6781\u63d0\u4f9b\u7684\u63a7\u5236\u8109\u51b2\u4fe1\u53f7\u5360\u7a7a\u6bd4\uff0c\u8c03\u5236\u6d41\u81f3\u7535\u6c60BAT\u7684\u5145\u7535\u7535\u6d41\u3002<\/p>\n

\n\t\u57fa\u4e8eLTC4012\u7684\u5145\u7535\u5668\u7528\u4e8e\u6d4b\u8bd5\u4e0d\u540c\u7684\u7535\u6c60\u548c\u5145\u7535\u7535\u6d41\u6c34\u5e73\u3002 \u6709\u6548\u5145\u7535\u7535\u6d41\u503c\u4e0e\u63a7\u5236\u8109\u51b2\u4fe1\u53f7\u7684\u5360\u7a7a\u6bd4\u5448\u7ebf\u6027\u53d8\u5316\u7684\u533a\u57df\u4f4d\u4e8e15\uff05\u81f380\uff05\u5360\u7a7a\u6bd4\u4e4b\u95f4\u3002\u5982\u679c\u5360\u7a7a\u6bd4\u8d85\u8fc780\uff05\uff0c\u5145\u7535\u7535\u6d41\u9010\u6e10\u51cf\u5c0f\uff0c\u4e0d\u518d\u589e\u5927\uff1b\u53cd\u4e4b\uff0c\u5982\u679c\u5360\u7a7a\u6bd4\u4f4e\u4e8e15\uff05\uff0c\u5219\u5145\u7535\u7535\u6d41\u6025\u5267\u4e0b\u964d\u3002 \u56fe2\u793a\u51fa\u4e86\u8fd9\u4e00\u70b9\uff0c\u663e\u793a\u4e86\u65bd\u52a0\u4e8e\u6676\u4f53\u7ba1Q5\u6805\u6781\u7684\u63a7\u5236\u8109\u51b2\u5360\u7a7a\u6bd4\u572815\uff05\u81f380\uff05\u4e4b\u95f4\u7684\u5b8c\u7f8e\u7ebf\u6027\u533a\u57df\u3002<\/p>\n

\n\t\"\u7535\u6c60\u5145\u7535\u5668\u5e94\u7528\u4e2d\u7684\u5145\u7535\u7535\u6d41\u8c03\u5236\"<\/p>\n

\n\t\u56fe2. \u6700\u5927\u5145\u7535\u7535\u6d41\u4e3a3.3A\u548c5.0A\u65f6\uff0c\u5145\u7535\u7535\u6d41\u968fPWM\u5360\u7a7a\u6bd4\u53d8\u5316\u7684\u56fe\u5f62<\/p>\n

\n\t\u7f16\u7a0b\u5145\u7535\u7535\u6d41\u7535\u963b<\/u>\u503c\u7684\u8ba1\u7b97<\/h2>\n

\n\t\u8003\u8651\u5230PWM\u6700\u5927\u5360\u7a7a\u6bd4\u7684\u9650\u5236\u4e3a80\uff05\uff0c\u56fe1\u4e2d\u786e\u5b9a\u5145\u7535\u7535\u6d41\u7684\u7535\u963b\u53ef\u6309\u7167\u4ee5\u4e0b\u8868\u8fbe\u5f0f\u6765\u8ba1\u7b97\uff1a<\/p>\n

\n\t\"\u7535\u6c60\u5145\u7535\u5668\u5e94\u7528\u4e2d\u7684\u5145\u7535\u7535\u6d41\u8c03\u5236\"<\/p>\n

\n\t\u5176\u4e2d\uff0cRS<\/u>ENSE\u662f\u7535\u6c60\u7535\u6d41\u68c0\u6d4b\u7535\u963b\u3002<\/p>\n

\n\t\"\u7535\u6c60\u5145\u7535\u5668\u5e94\u7528\u4e2d\u7684\u5145\u7535\u7535\u6d41\u8c03\u5236\"<\/p>\n

\n\tRP\u662f\u5360\u7a7a\u6bd4\u4e3a80\uff05\u65f6RMAX\u548cRPROG\u5e76\u8054\u8fde\u63a5\u7684\u603b\u963b\u6297<\/p>\n

\n\t\"\u7535\u6c60\u5145\u7535\u5668\u5e94\u7528\u4e2d\u7684\u5145\u7535\u7535\u6d41\u8c03\u5236\"<\/p>\n

\n\tRPROG\u662f\u8fde\u63a5\u81f3Q5\u7684\u7535\u963b\uff0c\u7531\u5360\u7a7a\u6bd4\u53ef\u53d8\u768450kHz\u8109\u51b2\u5207\u6362\u3002<\/p>\n

\n\t\u5bf9\u4e8e\u6700\u5927\u5145\u7535\u7535\u6d41\u4e3a3.3A\u7684\u9502\u79bb\u5b50\u7535\u6c60\u800c\u8a00\uff0c\u5047\u8bbeRMAX\u4e3a511k\uff1f6\uff1f8\uff0cRIN\u4e3a3.01k\uff1f6\uff1f8\uff0c\u6700\u5927\u5360\u7a7a\u6bd4\u4e3a80\uff05\uff0c\u5219\u8ba1\u7b97\u53ef\u5f97RSENSE\u4e3a0.03\uff1f6\uff1f8\uff0cRPOG\u4e3a23.7k\uff1f6\uff1f8\u3002\u56fe2\u663e\u793a\u4e86\u6b64\u7535\u6c60\u7684\u5145\u7535\u7535\u6d41\u968f\u63a7\u5236\u8109\u51b2\u5360\u7a7a\u6bd4\u800c\u53d8\u5316\u7684\u529f\u80fd\u3002\u6b64\u5916\uff0c\u8fd8\u6d4b\u8bd5\u4e86\u6700\u5927\u5145\u7535\u7535\u6d41\u4e3a5.0A\u7684\u53e6\u4e00\u6b3e\u7535\u6c60\uff08RSENSE 0.02\uff1f6\uff1f8\uff0cRPOG 23.7k\uff1f6\uff1f8\uff09\uff0c\u8bf7\u53c2\u89c1\u56fe2\u6240\u793a\u5145\u7535\u7535\u6d41\u968f\u5360\u7a7a\u6bd4\u53d8\u5316\u7684\u56fe\u5f62\u3002<\/p>\n

\n\t\u7ed3\u8bba<\/h2>\n

\n\tLTC4012\u662f\u4e00\u6b3e\u975e\u5e38\u53d7\u6b22\u8fce\u7684\u7535\u6c60\u5145\u7535\u5668\uff0c\u7528\u4e8e\u8bb8\u591a\u5de5\u4e1a\u548c\u5546\u4e1a\u5e94\u7528\u3002\u91c7\u7528\u4f4e\u529f\u8017\u7535\u538b\u6e90\u7684\u7cfb\u7edf\u901a\u5e38\u4f7f\u7528\u8109\u51b2\u5bbd\u5ea6\u8c03\u5236\u6765\u9650\u5236\u548c\u7f16\u7a0b\u9502\u79bb\u5b50\u7535\u6c60\u5145\u7535\u7535\u6d41\uff0c\u4ee5\u5411\u5e94\u7528\u7684\u5173\u952e\u5143\u4ef6\u63d0\u4f9b\u53ef\u7528\u529f\u7387\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cPWM\u5360\u7a7a\u6bd4\u5e94\u9650\u5236\u572815\uff05\u81f380\uff05\u7684\u8303\u56f4\u5185\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4f5c\u8005\uff1aVictor Khasiev\uff0c ADI \u516c\u53f8Power by Linear \u9ad8\u7ea7\u5e94\u7528\u5de5\u7a0b\u5e08 LTC4012\u662f\u4e00\u6b3e\u975e\u5e38\u53d7\u6b22\u8fce\u7684\u591a\u5316\u5b66\u7ec4\u6210 \u7535\u6c60 \u5145\u7535\u5668\uff0c\u53ef\u7528\u4e8e\u591a\u79cd\u4e0d\u540c\u5e94\u7528\u3002\u8fd9\u6b3e\u63a7\u5236\u5668\u4e3a\u7528\u6237\u63d0\u4f9b\u6805\u6781\u9a71\u52a8\u5668\u3001 \u7535\u6d41 \u68c0\u6d4b\u8f93\u5165<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2325"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2325"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2325\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2325"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2325"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2325"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}