{"id":6519,"date":"2021-11-10T15:20:13","date_gmt":"2021-11-10T07:20:13","guid":{"rendered":"http:\/\/www.szryc.com\/?p=6519"},"modified":"2021-11-10T15:20:13","modified_gmt":"2021-11-10T07:20:13","slug":"%e7%94%b5%e5%8a%a8%e5%b7%a5%e5%85%b7%e4%b8%ad%e4%b8%83%e7%a7%8d%e9%ab%98%e8%be%b9%e9%a9%b1%e5%8a%a8%e6%96%b9%e6%a1%88%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=6519","title":{"rendered":"\u7535\u52a8\u5de5\u5177\u4e2d\u4e03\u79cd\u9ad8\u8fb9\u9a71\u52a8\u65b9\u6848\u5206\u6790"},"content":{"rendered":"

\u00a0 \u00a0 \u00a0 \u00a0\u7535\u52a8\u5de5\u5177\u662f\u4e00\u79cd\u4ee5\u5c0f\u578b\u7535\u52a8\u673a\u6216\u7535\u78c1\u94c1\u4f5c\u4e3a\u52a8\u529b\u3002\u901a\u8fc7\u4f20\u52a8\u673a\u6784\u9a71\u52a8\u5de5\u4f5c\u5934\u8fdb\u884c\u4f5c\u4e1a\u7684\u5c0f\u578b\u5de5\u5177\uff0c\u7535\u52a8\u5de5\u5177\u54c1\u724c\u7e41\u591a\uff0c\u529f\u80fd\u9f50\u5168\uff0c\u643a\u5e26\u65b9\u4fbf\uff0c\u4f7f\u7528\u7b80\u5355 \uff0c\u5728\u5404\u884c\u4e1a\u90fd\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5e76\u5df2\u8fdb\u5165\u5bb6\u5ead\uff0c\u7535\u52a8\u5de5\u5177\u5206\u4e3a\u624b\u6301\u5f0f\u548c\u53ef\u79fb\u52a8\u5f0f\u4e24\u79cd\uff0c\u624b\u6301\u5f0f\u7535\u52a8\u5de5\u5177\u4f7f\u7528\u66f4\u7075\u6d3b\uff0c\u65b9\u4fbf\uff0c\u5e94\u7528\u66f4\u5e7f\uff0c\u5f88\u591a\u54c1\u79cd\u5df2\u6210\u4e3a\u751f\u4ea7\uff0c\u751f\u6d3b\u5fc5\u5907\u7684\u5de5\u5177\uff0c\u7535\u52a8\u5de5\u5177\u54c1\u724c\u7e41\u591a\uff0c\u6309\u7167\u7535\u52a8\u5de5\u5177\u7684\u529f\u80fd\u548c\u7528\u9014\uff0c\u5c06\u5176\u5206\u4e3a\u4e86\u4e5d\u5927\u7c7b\u3002\u00a0<\/p>\n

\u00a0\u7535\u52a8\u5de5\u5177\u4e3b\u8981\u5206\u4e3a\u91d1\u5c5e\u5207\u524a\u7535\u52a8\u5de5\u5177\u3001\u7814\u78e8\u7535\u52a8\u5de5\u5177\u3001\u88c5\u914d\u7535\u52a8\u5de5\u5177\u548c\u94c1\u9053\u7528\u7535\u52a8\u5de5\u5177\u3002\u5404\u7c7b\u7535\u52a8\u5de5\u5177<\/span>\u5e38\u89c1\u7684\u7535\u52a8\u5de5\u5177\u6709\u7535\u94bb\u3001 \u7535\u52a8\u7802\u8f6e\u673a\u3001 \u7535\u52a8\u6273\u624b\u548c\u7535\u52a8\u87ba\u4e1d\u5200\u3001\u7535\u9524\u548c\u51b2\u51fb\u7535\u94bb\u3001\u6df7\u51dd\u571f\u632f\u52a8\u5668\u3001\u7535\u5228\u3002<\/p>\n

\u5728\u65e0\u7ef3\u7535\u52a8\u5de5\u5177\u5e94\u7528\u4e2d\uff0c\u7535\u6c60<\/u>\u5305\u7684\u7535\u538b\u901a\u5e38\u4e3a16V\u300120V\u300124V\u300140V\u300160V\u548c80V\uff0c\u4f1a\u4f7f\u7528\u673a\u68b0\u5f00\u5173<\/u>\u63a7\u5236\u9a71\u52a8\u677f\u4f9b\u7535\uff0c\u4f46\u662f\u7531\u4e8e\u673a\u68b0\u5f00\u5173\u7684\u7279\u6027\uff0c\u4f1a\u5b58\u5728\u5f00\u5173\u706b\u82b1\u3001\u5bff\u547d\u3001\u4f53\u79ef\u7b49\u7f3a\u70b9\u3002<\/p>\n

\"pYYBAGGKRHeAW2hXAAAM8Gk558g417\"<\/div>\n

\u56fe<\/strong>1<\/strong>\uff1a\u7535\u52a8\u5de5\u5177\u4e2d\u673a\u68b0\u5f00\u5173\u5e94\u7528<\/strong><\/p>\n

\u5728\u7535\u52a8\u5de5\u5177\u4e2d\uff0c\u5f15\u5165\u9ad8\u8fb9\u9a71\u52a8\u65b9\u6848\uff0c\u9664\u4e86\u907f\u514d\u4f20\u7edf\u673a\u68b0\u5f00\u5173\u7684\u56fa\u6709\u7f3a\u70b9\uff0c\u540c\u65f6\u5177\u6709\u53ef\u63a7\u5f3a\u3001\u5bfc\u901a\u65f6\u95f4\u53ef\u8c03\u6574\u3001\u652f\u6301\u591a\u5305\u5e76\u8054\u3001\u77ed\u8def<\/u>\u4fdd\u62a4\u3001\u4f53\u79ef\u5c0f\u7b49\u4f18\u70b9\u3002\u5982\u56fe2\u6240\u793a\uff0c\u9ad8\u8fb9\u9a71\u52a8IC\u4f1a\u4ea7\u751f\u9ad8\u51fa\u7535\u6c60\u530512V\u7684\u7535\u538b\uff0c\u901a\u8fc7\u63a7\u5236MOS\u7684Gate\u7535\u538b\uff0c\u53ef\u4ee5\u63a7\u5236\u4e3b\u56de\u8def\u901a\u65ad\u3002<\/p>\n

\"pYYBAGGKRHmABA-RAAAUrKit8nc755\"<\/div>\n

\u56fe<\/strong>2<\/strong>\uff1a\u7535\u52a8\u5de5\u5177\u4e2d\u9ad8\u8fb9\u9a71\u52a8\u82af\u7247\u65b9\u6848<\/strong><\/p>\n

1.<\/strong>\u652f\u6301\u591a\u5305\u5e76\u8054\u7684<\/strong>LM5050<\/strong><\/p>\n

LM5050\u662fHigh Side Oring FET Controller\uff0c\u5de5\u4f5c\u7535\u538b\u652f\u63011V \u2013 75V\uff0c\u6700\u5927\u627f\u53d7\u7535\u538b\u652f\u6301100V\u3002LM5050\u901a\u8fc7\u68c0\u6d4bVDS\u4e0a\u7535\u538b\uff0c\u63a7\u5236VGS\u4e0a\u7535\u538b\uff0c\u5b9e\u73b0\u7406\u60f3\u4e8c\u6781\u7ba1<\/u>\u7684\u529f\u80fd\u3002\u540c\u65f6\u56e0\u4e3aLM5050\u5185\u90e8\u5df2\u7ecf\u96c6\u6210\u4e86\u7535\u8377\u6cf5\uff0c\u4f9b\u7535\u7535\u538b\u65e0\u9700\u9ad8\u4e8e\u7535\u6c60\u5305\u7535\u538b\u3002\u5728\u65e0\u7ef3\u7535\u52a8\u5de5\u5177\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u5305\u5e76\u8054\u65b9\u5f0f\uff0c\u63d0\u5347\u6574\u4f53\u7684\u7535\u6c60\u5bb9\u91cf\uff0c\u4e5f\u53ef\u4ee5\u5b9e\u73b0\u4e0d\u540c\u7535\u538b\u7b49\u7ea7\u7535\u6c60\u5305\u5e76\u8054\u3002\u5982\u56fe3\u6240\u793a\uff0c\u901a\u8fc7\u7535\u6c60\u5305\u8f93\u51fa\u4e32\u8054MOS\u7684\u6e90\u7ea7\uff0c\u7ecf\u7531LM5050\u7684\u63a7\u5236\uff0c\u53ef\u4ee5\u5b9e\u73b0\u591a\u4e2a\u7535\u6c60\u5305\u5e76\u8054\u3002<\/p>\n

\"poYBAGGKRHuAUlRjAAAx7Jr1-P4537\"<\/div>\n

\u56fe<\/strong>3<\/strong>\uff1a<\/strong>LM5050\u00a0<\/strong>\u5e94\u7528\u591a\u5305\u5e76\u8054\u65b9\u6848<\/strong><\/p>\n

2.<\/strong>\u652f\u6301\u9ad8\u8fb9\u9a71\u52a8\u7684<\/strong>LM5060<\/strong><\/p>\n

LM5060\u662fHigh Side ProtecTIon Controller\uff0c\u5de5\u4f5c\u7535\u538b\u652f\u63015.5V- 65V\uff0c\u652f\u6301\u8fc7\u538b\u4fdd\u62a4\u3001\u6b20\u538b\u4fdd\u62a4\u548c\u8fc7\u6d41\u4fdd\u62a4\uff0c\u53ef\u8c03\u6574\u7684\u5f00\u901a\u65f6\u95f4\uff0c\u901a\u8fc7\u63a7\u5236EN\u5f15\u811a\u7535\u538b\uff0c\u53ef\u4ee5\u5f00\u65ad\u8f93\u51fa\u3002LM5060\u5185\u90e8\u96c6\u6210\u4e86\u7535\u8377\u6cf5\uff0c\u4e0d\u9700\u8981\u989d\u5916\u4f9b\u7535\uff0c\u53ef\u4ee5\u5b9e\u73b024uA\u95e8\u6781\u5145\u7535\u7535\u6d41<\/u>\u548c80mA\u7684\u95e8\u6781\u653e\u7535\u7535\u6d41\u3002LM5060\u7684\u529f\u8017\u8f83\u5927\uff0c\u5de5\u4f5c\u7535\u6d411.4mA\uff0c\u5931\u80fd\u7535\u6d41\u4e3a9uA\u3002<\/p>\n

\"poYBAGGKRHyAJOcRAAA1KAgjY68042\"<\/div>\n

\u56fe<\/strong>4<\/strong>\uff1a<\/strong>LM5060\u00a0<\/strong>\u9ad8\u8fb9\u9a71\u52a8\u65b9\u6848<\/strong><\/p>\n

3.<\/strong>\u652f\u6301<\/strong>High Side\u00a0<\/strong>Back-to-back MOS<\/strong>\u9a71\u52a8\u7684<\/strong>BQ76200<\/strong><\/p>\n

BQ76200\u662fHigh Side NFET \u9a71\u52a8\u82af\u7247\uff0c\u5de5\u4f5c\u7535\u538b8V \u2013 75V\uff0c\u6700\u9ad8\u627f\u53d7100V\u7535\u538b\uff0c\u53ef\u4ee5\u5206\u522b\u63a7\u5236\u4e24\u4e2aBack-to-Back MOS\u3002\u76f8\u6bd4LM5060\uff0cBQ76200\u7684\u5de5\u4f5c\u7535\u6d41\u4e3a40uA\uff0c\u5931\u80fd\u72b6\u6001\u4e0b\uff0c\u5185\u90e8\u7535\u8377\u6cf5\u6a21\u5757\u4e5f\u4f1a\u5931\u80fd\uff0c\u9759\u6001\u7535\u6d41\u4e0d\u8d85\u8fc710uA\uff0c\u66f4\u9002\u5408\u7535\u6c60\u4f9b\u7535\u7cfb\u7edf\u3002\u540c\u65f6\uff0c\u5145\u7535MOS\u548c\u653e\u7535MOS\u53ef\u4ee5\u5206\u522b\u72ec\u7acb\u63a7\u5236\uff0c\u7075\u6d3b\u6027\u66f4\u9ad8\u3002<\/p>\n

\"pYYBAGGKRH2Acr-6AABT1NtcbVI258\"<\/div>\n

\u56fe<\/strong>5<\/strong>\uff1a\u652f\u6301\u5145\u7535<\/strong>\/<\/strong>\u653e\u7535\u72ec\u7acb\u63a7\u5236\u7684<\/strong>BQ76200<\/strong><\/p>\n

4. \u652f\u6301<\/strong>Ideal\u00a0Diode<\/u><\/strong>\u6a21\u5f0f\u548c\u8f93\u51fa\u5f00\u65ad\u6a21\u5f0f\u7684<\/strong>\u00a0LM7480x<\/strong><\/p>\n

LM7480x\u662fBack-to-Back NFET\u7684\u9a71\u52a8\u5668\uff0c\u540c\u65f6\u652f\u6301Ideal Diode\u6a21\u5f0f\u548c\u8f93\u51fa\u5f00\u65ad\u63a7\u5236\uff0c\u8f93\u5165\u7535\u538b\u652f\u63013V \u2013 65V\uff0c\u6709-65V\u53cd\u5411\u7535\u538b\u627f\u53d7\u80fd\u529b\uff0c\u9a71\u52a8\u5f00\u901a\u7535\u6d4120mA\uff0c\u9a71\u52a8\u5173\u65ad\u7535\u6d412.6A\uff0c\u5de5\u4f5c\u7535\u6d41413uA\uff0c\u5931\u80fd\u4e0b\u9759\u6001\u7535\u6d412.87uA\u3002LM7480x\u5373\u6709LM5050\u7684Ideal Diode\u6a21\u5f0f\uff0c\u4e5f\u5177\u5907LM5060\u8f93\u51fa\u5f00\u65ad\u63a7\u5236\u3002<\/p>\n

\"pYYBAGGKRH-AU-lpAABMadcJ52Q385\"<\/div>\n

\u56fe<\/strong>6<\/strong>\uff1a\u540c\u65f6\u652f\u6301<\/strong>Ideal Diode<\/strong>\u6a21\u5f0f\u548c\u8f93\u51fa\u5f00\u65ad\u6a21\u5f0f\u7684<\/strong>\u00a0LM7480x<\/strong><\/p>\n

5.<\/strong>\u4f7f\u7528\u534a\u6865\u9a71\u52a8\u82af\u7247\u5b9e\u73b0\u9ad8\u8fb9<\/strong>Back-to-Back NFET<\/strong>\u9a71\u52a8<\/strong><\/p>\n

\u5bf9\u4e8e\u4e4b\u524d\u7684\u9a71\u52a8IC\uff0c\u7535\u6c60\u7535\u538b\u4e0d\u8d85\u8fc780V\uff0c\u9a71\u52a8\u7535\u6d41\u4e5f\u76f8\u5bf9\u5c0f\uff0c\u5f00\u5173\u901f\u5ea6\u8f83\u6162\u3002\u5bf9\u4e8e80V\u4ee5\u4e0a\u7684Back-to-Back NFET\u9a71\u52a8\uff0c\u53ef\u4ee5\u8003\u8651\u56fe6\u7684\u65b9\u6848\uff08ApplicaTIon Report SLUAA58\uff09\u3002\u5982\u56fe6\u6240\u793a\uff0c\u901a\u8fc7\u534a\u6865\u9a71\u52a8\u82af\u7247\uff0c\u4f8b\u5982UCC27284\uff0c\u6784\u5efa\u7535\u8377\u6cf5\uff0c\u628a\u7535\u8377\u6cf5\u7535\u5bb9<\/u>\u7535\u538b\u63d0\u534712V\u3002\u901a\u8fc7\u4e0a\u6865\u81c2\u7684\u903b\u8f91\u7535\u5e73\uff0c\u53ef\u4ee5\u63a7\u5236\u529f\u7387\u56de\u8def\u7684\u901a\u65ad\u3002\u540c\u65f6\uff0c\u4e00\u822c\u7684\u534a\u6865\u9a71\u52a8IC\u7684\u5de5\u4f5c\u7535\u6d41\u8f83\u5927\uff0c\u5de5\u4f5c\u7535\u6d41\u8fbemA\u7ea7\u522b\uff1b\u5931\u80fd\u6761\u4ef6\u4e0b\uff0c\u9759\u6001\u7535\u6d41\u4e3a7uA\u3002\u4ece\u9a71\u52a8\u80fd\u529b\u4e0a\u770b\uff0c\u6574\u4f53\u4e0a\u53d6\u51b3\u4e8e\u7535\u8377\u6cf5\u7535\u5bb9\u548c\u9a71\u52a8\u7535\u963b<\/u>\uff0c\u5728\u4f9b\u7535\u7535\u538b12V\uff0c\u9a71\u52a8\u7535\u963b8.25\u2126\uff0c\u7535\u8377\u6cf5\u7535\u5bb9470nF\u7b49\u6761\u4ef6\u4e0b\uff0c\u9a71\u52a8\u7535\u6d41\u4e3a1.68A\uff0c\u5f00\u901a\u5173\u65ad\u65f6\u95f4\u5c0f\u4e8e0.5us\u3002<\/p>\n

\"poYBAGGKRIGAQ76lAAA93WARwZg804\"<\/div>\n

\u56fe<\/strong>7<\/strong>\uff1a\u4f7f\u7528\u534a\u6865\u9a71\u52a8\u5b9e\u73b0\u9ad8\u8fb9\u9a71\u52a8<\/strong><\/p>\n

\u6700\u540e\uff0c\u4ece\u6bcd\u7ebf\u7535\u538b\u3001\u529f\u80fd\u3001\u9a71\u52a8\u80fd\u529b\u3001\u9759\u6001\u7535\u6d41\u7b49\u89d2\u5ea6\uff0c\u7ed9\u51fa\u4ee5\u4e0a5\u79cd\u65b9\u5f0f\u7684\u5bf9\u6bd4\u8868\u683c\u3002<\/p>\n

\u8868<\/strong>1<\/strong>\uff1a<\/strong>5<\/strong>\u79cd\u9ad8\u8fb9\u9a71\u52a8\u65b9\u5f0f\u7684\u5bf9\u6bd4\u8868\u683c<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n
\n

\u00a0<\/strong><\/p>\n<\/td>\n

\n

LM5050<\/strong><\/p>\n<\/td>\n

\n

LM5060<\/strong><\/p>\n<\/td>\n

\n

BQ76200<\/strong><\/p>\n<\/td>\n

\n

LM7480x<\/strong><\/p>\n<\/td>\n

\n

Circuit in SLUAA58<\/strong><\/p>\n<\/td>\n<\/tr>\n

\n

FuncTIon<\/strong><\/p>\n<\/td>\n

\n

Ideal Diode Controller<\/p>\n<\/td>\n

\n

High Side ProtecTIon Controller<\/p>\n<\/td>\n

\n

High Side Back-to-Back MOS Driver<\/p>\n<\/td>\n

\n

Ideal Diode Controller, High Side MOS driver<\/p>\n<\/td>\n

\n

High Side Back-to-Back MOS Driver<\/p>\n<\/td>\n<\/tr>\n

\n

Bus Voltage<\/strong><\/p>\n<\/td>\n

\n

75V<\/p>\n<\/td>\n

\n

65V<\/p>\n<\/td>\n

\n

75V<\/p>\n<\/td>\n

\n

65V<\/p>\n<\/td>\n

\n

>100V<\/p>\n<\/td>\n<\/tr>\n

\n

Normal Mode Current<\/strong><\/p>\n<\/td>\n

\n

420uA<\/p>\n<\/td>\n

\n

1.4mA<\/p>\n<\/td>\n

\n

40uA<\/p>\n<\/td>\n

\n

413uA<\/p>\n<\/td>\n

\n

1.1mA<\/p>\n<\/td>\n<\/tr>\n

\n

Shut Down Mode Current<\/strong><\/p>\n<\/td>\n

\n

-<\/p>\n<\/td>\n

\n

9uA<\/p>\n<\/td>\n

\n

10uA<\/p>\n<\/td>\n

\n

2.8uA<\/p>\n<\/td>\n

\n

7uA<\/p>\n<\/td>\n<\/tr>\n

\n

Gate Charge current<\/strong><\/p>\n<\/td>\n

\n

30uA<\/p>\n<\/td>\n

\n

24uA<\/p>\n<\/td>\n

\n

10.9mA\/3.4mA<\/p>\n<\/td>\n

\n

20mA<\/p>\n<\/td>\n

\n

Depends on charge-pump capacitor and gate resistor\uff08Several amperes\uff09<\/p>\n<\/td>\n<\/tr>\n

\n

Gate Discharge current<\/strong><\/p>\n<\/td>\n

\n

2.8A<\/p>\n<\/td>\n

\n

80mA<\/p>\n<\/td>\n

\n

40mA\/12mA<\/p>\n<\/td>\n

\n

2.6A<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

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