{"id":1711,"date":"2018-12-11T10:53:59","date_gmt":"2018-12-11T10:53:59","guid":{"rendered":""},"modified":"2018-12-11T18:54:22","modified_gmt":"2018-12-11T10:54:22","slug":"pi%e5%87%ad%e5%80%9f%e6%95%88%e7%8e%87%e9%ab%98%e8%be%be98.5%25%e7%9a%84%e9%a9%b1%e5%8a%a8%e5%99%a8%e6%88%90%e5%8a%9f%e5%88%87%e5%85%a5bldc%e5%b8%82%e5%9c%ba","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=1711","title":{"rendered":"PI\u51ed\u501f\u6548\u7387\u9ad8\u8fbe98.5%\u7684\u9a71\u52a8\u5668\u6210\u529f\u5207\u5165BLDC\u5e02\u573a"},"content":{"rendered":"

\n\t\u65e0\u5237\u76f4\u6d41\u7535\u673a\uff08BLDC\uff09\u56e0\u5176\u8fd0\u8f6c\u566a\u97f3\u5c0f\u548c\u53ef\u9760\u6027\u9ad8\u800c\u5907\u53d7\u5e02\u573a\u9752\u7750\uff0c\u6839\u636e\u6743\u5a01\u5e02\u573a\u7814\u7a76\u516c\u53f8IHS\u6700\u8fd1\u53d1\u5e03\u7684\u4e3b\u8981\u5bb6\u7528\u7535\u5668\u5168\u7403\u5e02\u573a\u9700\u6c42\u62a5\u544a\uff0c\u4ece2018\u5e74\u52302023\u5e74\uff0c\u7535\u98ce\u6247\u3001\u51b0\u7bb1\/\u51b0\u67dc\u3001\u6d17\u8863\u673a\u3001\u7a7a\u8c03\u3001\u5de5\u4e1a\u7528\u6cf5\u5bf9BLDC\uff08\u65e0\u5237\u7535\u673a\uff09\u7684\u9700\u6c42\u91cf\u5e74\u590d\u5408\u589e\u957f\u7387\u5206\u522b\u9ad8\u8fbe20%\u300117%\u300111%\u30018%\u548c15%\uff0c\u53ef\u4ee5\u8bf4\u5448\u73b0\u5168\u9762\u589e\u957f\u6001\u52bf\u3002<\/p>\n

\n\t <\/div>\n

\n\t\u9762\u5bf9\u8fd9\u4e00\u9700\u6c42\u52c3\u53d1\u7684\u9ad8\u589e\u957f\u5e94\u7528\u5e02\u573a\uff0c\u5168\u7403\u9ad8\u80fd\u6548AC-DC\u7535\u6e90\u89e3\u51b3\u65b9\u6848\u9886\u5bfc\u5382\u5546PI\uff08Power Inte<\/u>grati<\/u>ons\uff09\u4e5f\u5750\u4e0d\u4f4f\u4e86\uff0c\u51ed\u501f\u5176\u64c5\u957f\u7684\u529f\u7387\u5f00\u5173\u6280\u672f\uff0c\u4eceBLDC\u9a71\u52a8\u89d2\u5ea6\u5207\u5165\u8fd9\u4e00\u5e02\u573a\uff0c\u6700\u8fd1\u6210\u529f\u5411\u5e02\u573a\u53d1\u5e03\u4e86\u6548\u7387\u8fbe98.5%\u7684\u9ad8\u538bBLDC\u7535\u673a\u9a71\u52a8\u5668\u3002<\/p>\n

<\/div>\n

\n\t\u8fd9\u4e00\u96c6\u6210\u4e86\u534a\u6865\u81c2\u7535\u8def\u7684BLDC\u7535\u673a\u9a71\u52a8\u5668BridgeSwitch\u96c6\u6210\u4e86\u9ad8\u6548600V\u529f\u7387FREDFET\uff0c\u5177\u6709\u5168\u9762\u7684\u4fdd\u62a4\u548c\u76d1\u63a7\u7279\u6027\uff0c\u5305\u62ec\u8fc7\u6d41\u3001\u8fc7\u538b\u3001\u6b20\u538b\u3001\u8fc7\u6e29\uff0c\u6563\u70ed\u5747\u5206\u4e8e\u5404\u5668\u4ef6\u5c01\u88c5\uff0c\u65e0\u9700\u6563\u70ed\u7247\uff0c\u7279\u522b\u9002\u5408\u4e8e30-300W\u7684\u65e0\u5237\u76f4\u6d41\u7535\u673a\u9006\u53d8\u5668\u9a71\u52a8\u5e94\u7528\u3002<\/p>\n

\n\tPI\u8d44\u6df1\u6280\u672f\u57f9\u8bad\u7ecf\u7406\u960e\u91d1\u5149\u8bf4\uff1a“BridgeSwitch\u4ea7\u54c1\u7cfb\u5217\u91c7\u7528\u4e86PI\u72ec\u6709\u7684\u81ea\u4f9b\u7535\u65b9\u5f0f\u6765\u964d\u4f4e\u7cfb\u7edf\u5143\u4ef6\u6570\u76ee\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u8f93\u5165\u529f\u7387260W\u7684\u5e94\u7528\u6765\u8bf4\uff0c\u5b83\u53ef\u4ee5\u628aBLDC\u9006\u53d8\u5668\u6548\u7387\u63d0\u53471.5%\uff0c\u8282\u77013.9W\u529f\u8017\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5ba2\u6237\u6ee1\u8db3\u5404\u79cd\u5168\u7403\u8303\u56f4\u7684\u8282\u80fd\u6807\u51c6\u3002”<\/p>\n

\n\tBridgeSwitch\u7535\u673a\u9a71\u52a8\u5668IC\u4ea7\u54c1\u7cfb\u5217\u5185\u90e8\u96c6\u6210\u4e86\u4e24\u4e2a\u6027\u80fd\u52a0\u5f3a\u7684FREDFET\uff08\u5177\u6709\u5feb\u6062\u590d\u5916\u5ef6\u578b\u4e8c\u6781\u7ba1<\/u>\u7684\u573a\u6548\u5e94\u6676\u4f53\u7ba1<\/u>\uff09\u5206\u522b\u7528\u4e8e\u534a\u6865\u7535\u8def\u7684\u4e0a\u7ba1\u548c\u4e0b\u7ba1\uff0c\u4e14\u5177\u6709\u65e0\u635f\u8017\u7684\u7535\u6d41<\/u>\u68c0\u6d4b\u529f\u80fd\uff0c\u53ef\u4f7f300W\u4ee5\u5185\u7684\u65e0\u5237\u76f4\u6d41(BLDC)\u7535\u673a\u9a71\u52a8\u5668\u5e94\u7528\u4e2d\u7684\u9006\u53d8\u5668\u8f6c\u6362\u6548\u7387\u8fbe\u523098.5%\u3002IHB\u9a71\u52a8\u5668\u6240\u63d0\u4f9b\u7684\u4f18\u5f02\u6548\u7387\u548c\u5206\u5e03\u5f0f\u6563\u70ed\u65b9\u6cd5\u53ef\u7701\u53bb\u6563\u70ed\u7247\uff0c\u6709\u52a9\u4e8e\u964d\u4f4e\u7cfb\u7edf\u6210\u672c\u548c\u91cd\u91cf\u3002<\/p>\n

\n\t\u7531\u4e8e\u5177\u6709\u96c6\u6210\u65e0\u635f\u8017\u7535\u6d41\u68c0\u6d4b\u3001\u603b\u7ebf\u7535\u538b\u68c0\u6d4b\u548c\u7cfb\u7edf\u7ea7\u8fc7\u6e29\u68c0\u6d4b\u7b49\u7279\u6027\uff0c\u56e0\u6b64\u8be5\u5668\u4ef6\u7cfb\u5217\u975e\u5e38\u9002\u5408\u5bb6\u7535\u4e2d\u7684BLDC\u7535\u673a\u9a71\u52a8\u5e94\u7528\u3002BridgeSwitch\u5668\u4ef6\u9002\u5408\u51b0\u7bb1\u538b\u7f29\u673a\u3001\u6696\u901a\u7a7a\u8c03\u7cfb\u7edf\u98ce\u6247\u4ee5\u53ca\u5176\u4ed6\u5bb6\u7528\u548c\u8f7b\u578b\u5546\u7528\u6cf5\u3001\u98ce\u6247\u548c\u98ce\u673a\u3002<\/p>\n

\n\tBridgeSwitch IC\u4e2d\u6240\u4f7f\u7528\u7684600V FREDFET\u96c6\u6210\u4e86\u5feb\u901f\u8d85\u8f6f\u6062\u590d\u4f53\u4e8c\u6781\u7ba1\uff0c\u8fd9\u6709\u52a9\u4e8e\u5927\u5e45\u964d\u4f4e\u5f00\u5173\u635f\u8017\u548c\u51cf\u5c11\u566a\u58f0\u7684\u4ea7\u751f\uff0c\u4ece\u800c\u7b80\u5316\u7cfb\u7edf\u7ea7EMC<\/u>\u8bbe\u8ba1\u3002\u8fd9\u6b3e\u65b0\u7684\u9ad8\u538b\u81ea\u4f9b\u7535\u534a\u6865\u7535\u673a\u9a71\u52a8\u5668IC\u8fd8\u5177\u6709\u5185\u7f6e\u7684\u5668\u4ef6\u4fdd\u62a4\u548c\u7cfb\u7edf\u76d1\u6d4b\u7279\u6027\uff0c\u540c\u65f6\u5177\u5907\u4e00\u4e2a\u53ef\u9760\u7684\u5355\u7ebf\u63a5\u53e3\u7528\u4ee5\u8fdb\u884c\u5de5\u4f5c\u72b6\u6001\u7684\u66f4\u65b0\uff0c\u5728\u7535\u673a\u5fae\u5904\u7406\u5668\u548c\u591a\u8fbe\u4e09\u4e2aBridgeSwitch\u5668\u4ef6\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n

\n\t\u6bcf\u4e2aBridgeSwitch\u5668\u4ef6\u7684\u4e0a\u7ba1\u548c\u4e0b\u7ba1\u9650\u6d41\u70b9\u90fd\u53ef\u4ee5\u5355\u72ec\u8fdb\u884c\u8bbe\u5b9a\uff0c\u8fd9\u6837\u65e0\u9700\u5fae\u5904\u7406\u5668\u53ca\u76f8\u5173\u5916\u56f4\u7535\u8def\u5728\u7535\u673a\u7ed5\u7ec4\u5f00\u8def\u6216\u77ed\u8def\u60c5\u51b5\u4e0b\u63d0\u4f9b\u6574\u4e2a\u7cfb\u7edf\u7684\u4fdd\u62a4\u3002\u96c6\u6210\u7684\u65e0\u635f\u8017\u7535\u6d41\u76d1\u6d4b\u7279\u6027\u53ef\u63d0\u4f9b\u57fa\u4e8e\u786c\u4ef6\u7684\u7535\u673a\u6545\u969c\u4fdd\u62a4\uff0c\u6709\u52a9\u4e8e\u7b80\u5316\u7535\u673a\u6545\u969c\u4fdd\u62a4\u673a\u5236\uff0c\u4ece\u800c\u6ee1\u8db3IEC60335-1\u548cIEC60730-1\u8981\u6c42\u3002<\/p>\n

\n\tPI\u9ad8\u7ea7\u4ea7\u54c1\u8425\u9500\u7ecf\u7406CrisTIan Ionescu-Catrina\u8868\u793a\uff1a“\u6211\u4eec\u91cd\u65b0\u5ba1\u89c6\u4e86\u8fc5\u731b\u589e\u957f\u7684BLDC\u5e02\u573a\u6240\u9762\u4e34\u7684\u6311\u6218\uff0c\u4ee5\u53ca\u5168\u7403\u8303\u56f4\u5185\u65e5\u76ca\u4e25\u683c\u7684\u8282\u80fd\u6807\u51c6\u548c\u6cd5\u89c4\uff0c\u4e8e\u662f\u63a8\u51fa\u4e86\u65e2\u53ef\u5b9e\u73b0\u80fd\u6e90\u548c\u7a7a\u95f4\u8282\u7701\uff0c\u53c8\u80fd\u7cbe\u7b80BOM\u7684\u521b\u65b0\u89e3\u51b3\u65b9\u6848\u3002\u65b0\u65b9\u6848\u4e0d\u4ec5\u80fd\u8f7b\u677e\u7b26\u5408\u5b89\u5168\u6807\u51c6\uff0c\u8fd8\u80fd\u7b80\u5316\u7535\u8def\u548c\u7f29\u77ed\u5f00\u53d1\u65f6\u95f4\u3002”<\/p>\n

\n\tBridgeSwitch\u5668\u4ef6\u7684\u5176\u4ed6\u7279\u6027\u5305\u62ec\u9ad8\u8fbe20kHz\u7684PWM\u5de5\u4f5c\u9891\u7387\uff0c\u540c\u65f6\u8fd8\u63d0\u4f9b\u53cd\u6620\u7cbe\u786e\u3001\u5b9e\u65f6FREDFET\u6f0f\u6781\u7535\u6d41\u5927\u5c0f\u7684\u5c0f\u4fe1\u53f7\u8f93\u51fa\uff0c\u5176\u5e45\u503c\u4e0e\u7535\u673a\u7ed5\u7ec4\u7684\u6b63\u5411\u7535\u6d41\u6210\u955c\u50cf\u5173\u7cfb\u3002\u5176\u5b89\u5168\u7279\u6027\u5305\u62ec\u4e24\u7ea7\u5668\u4ef6\u8fc7\u6e29\u68c0\u6d4b\u3001\u4e0b\u7ba1\u548c\u4e0a\u7ba1\u9010\u5468\u671f\u7535\u6d41\u9650\u6d41\u4ee5\u53ca\u76f4\u6d41\u603b\u7ebf\u8fc7\u538b\u548c\u6b20\u538b\u4fdd\u62a4\u53ca\u62a5\u544a\u3002
\n\t<\/p>\n

\n\tBridgeSwitch\u5668\u4ef6\u53ef\u517c\u5bb9\u6240\u6709\u5e38\u89c1\u7684\u63a7\u5236\u7b97\u6cd5–\u78c1\u573a\u5b9a\u5411\u63a7\u5236(FOC)\u3001\u6b63\u5f26\u63a7\u5236\u4ee5\u53ca\u63d0\u4f9b\u6709\u4f20\u611f\u5668<\/u>\u548c\u65e0\u4f20\u611f\u5668\u68c0\u6d4b\u7684\u68af\u5f62\u63a7\u5236\u7b97\u6cd5\uff0c\u5173\u4e8e\u8fd9\u4e09\u79cd\u63a7\u5236\u6a21\u5f0f\u8bf7\u53c2\u89c1\u53c2\u8003\u8bbe\u8ba1DER-654\u3001DER-653\u548cDER-749\u3002BridgeSwitch\u91c7\u7528\u8584\u578b\u8868\u9762\u8d34\u88c5\u5f0fInSOP-24C\u5c01\u88c5\uff0c\u5176\u722c\u7535\u8ddd\u79bb\u5927\u4e8e3.2mm\uff0c\u53ef\u901a\u8fc7\u4e24\u4e2a\u88f8\u710a\u76d8\u5b9e\u73b0\u4f7f\u7528PCB\u8fdb\u884c\u6563\u70ed\u3002<\/p>\n

\n\tBridgeSwitch IC\u6837\u54c1\u73b0\u5df2\u5f00\u59cb\u4f9b\u8d27\uff0c1\u4e07\u7247\u8ba2\u8d27\u91cf\u7684\u53c2\u8003\u5355\u4ef7\u4e3a\u6bcf\u72471.69\u7f8e\u5143\u3002<\/p>\n

\n\t\u960e\u91d1\u5149\u6307\u51fa\uff1a“BridgeSwitch\u662f\u65e0\u9700\u6563\u70ed\u5668\u7684\u9ad8\u6548\u65e0\u5237\u76f4\u6d41\u7535\u673a\u9a71\u52a8\u89e3\u51b3\u65b9\u6848\uff0c\u9002\u7528\u4e8e\u4efb\u4f55\u7c7b\u578b\u65e0\u5237\u76f4\u6d41\u7535\u673a\u548c\u63a7\u5236\u7b97\u6cd5\uff0c\u800c\u4e14\u5176\u72ec\u7279\u7684\u786c\u4ef6\u65b9\u5f0f\u5b9e\u73b0\u7684\u6545\u969c\u7ba1\u7406\u53ef\u4ee5\u6709\u6548\u7f29\u77ed\u8f6f\u4ef6\u8ba4\u8bc1\u5468\u671f\u3002”<\/p>\n

\n\tPI\u662f\u9ad8\u538b\u7535\u6e90\u8f6c\u6362\u9886\u57df\u534a\u5bfc\u4f53\u6280\u672f\u7684\u77e5\u540d\u521b\u65b0\u8005\u3002\u8be5\u516c\u53f8\u7684\u4ea7\u54c1\u662f\u6e05\u6d01\u80fd\u6e90\u751f\u6001\u7cfb\u7edf\u5185\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\uff0c\u53ef\u5b9e\u73b0\u65b0\u80fd\u6e90\u53d1\u7535\u4ee5\u53ca\u6beb\u74e6\u7ea7\u81f3\u5146\u74e6\u7ea7\u5e94\u7528\u4e2d\u7535\u80fd\u7684\u6709\u6548\u4f20\u8f93\u548c\u6d88\u8017\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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