{"id":954,"date":"2021-03-27T17:33:06","date_gmt":"2021-03-27T09:33:06","guid":{"rendered":"http:\/\/www.tinywsn.net\/wordpress\/?p=954"},"modified":"2021-03-28T08:39:07","modified_gmt":"2021-03-28T00:39:07","slug":"power-supply","status":"publish","type":"post","link":"http:\/\/www.tinywsn.net\/wordpress\/index.php\/2021\/03\/27\/power-supply\/","title":{"rendered":"\u5e38\u7528\u7684\u51e0\u79cd\u7535\u6e90\u7ed3\u6784"},"content":{"rendered":"\n

\u5e38\u89c1\u7684\u7535\u6e90\u7ed3\u6784\u4e3b\u8981\u5206\u6210\u5982\u4e0b\u4e24\u7c7b<\/p>\n\n\n\n

\u7ebf\u6027\u7535\u6e90<\/td>LDO<\/td><\/tr>
\u5f00\u5173\u7535\u6e90<\/td>BUCK\uff0cBOOST\uff0c BUCK-BOOST<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u7ebf\u6027\u7535\u6e90\u548c\u5f00\u5173\u7535\u6e90\u7279\u70b9<\/h3>\n\n\n\n
<\/td>\u7ebf\u6027\u7535\u6e90<\/td>\u5f00\u5173\u7535\u6e90<\/td><\/tr>
\u4f18\u70b9<\/td>\u7a33\u5b9a\u6027\u597d\uff0c\u8d1f\u8f7d\u54cd\u5e94\u5feb\uff0c\u8f93\u51fa\u7eb9\u6ce2\u5c0f\uff0c\u7535\u8def\u8bbe\u8ba1\u7b80\u5355\uff0c\u5916\u56f4\u5668\u4ef6\u5c11<\/td>\u6548\u7387\u9ad8\uff0c\u8f93\u5165\u7535\u538b\u8303\u56f4\u8f83\u5bbd<\/td><\/tr>
\u7f3a\u70b9<\/td>\u6548\u7387\u4f4e\uff0c\u8f93\u5165\u8f93\u51fa\u7684\u7535\u538b\u5dee\u4e0d\u80fd\u592a\u5927<\/td>\u8d1f\u8f7d\u54cd\u5e94\u6bd4LDO\u5dee\uff0c\u8f93\u51fa\u7eb9\u6ce2\u6bd4LDO\u5927\uff0c\u7535\u8def\u8bbe\u8ba1\u590d\u6742\uff0c\u5916\u56f4\u5668\u4ef6\u591a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

LDO\u4f4e\u538b\u5dee\u7ebf\u6027\u7a33\u538b\u5668<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

MOS\u7ba1\u5145\u5f53\u4e00\u4e2a\u53ef\u8c03\u5f00\u5173\uff0c\u8f93\u51fa\u7535\u538b\u548c\u57fa\u51c6\u7535\u538b\u8fdb\u884c\u6bd4\u8f83\u540e\uff0c\u7136\u540e\u8fdb\u884c\u53cd\u9988\u63a7\u5236\uff0c\u7a33\u5b9a\u8f93\u51fa\u3002<\/p>\n\n\n\n

BUCK\u964d\u538b\u5f00\u5173\u7535\u6e90<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u4e09\u6781\u7ba1\u7528PWM\u63a7\u5236\u901a\u65ad\u7684\u6bd4\u4f8b\uff0c\u5176\u4e2d\u7535\u538b\u5173\u7cfb\u5982\u4e0b
Vo = Vin – Vlf,
\u7535\u5bb9Cf\u7528\u4e8e\u8f93\u51fa\u7a33\u538b\uff0c\u7535\u611fLf\u7528\u4e8e\u50a8\u80fd\uff0c\u5f53Q\u622a\u6b62\u65f6\u4e8c\u7ea7\u7ba1D\u7528\u4e8e\u7eed\u6d41\uff0c\u7535\u611fLf\u8865\u5145\u7535\u5bb9Cf\u6d88\u8017\u7684\u80fd\u91cf\u3002<\/p>\n\n\n\n

BOOST\u5347\u538b\u5f00\u5173\u7535\u6e90<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u4e09\u6781\u7ba1\u7528PWM\u63a7\u5236\u901a\u65ad\u7684\u6bd4\u4f8b\uff0c\u5176\u4e2d\u7535\u538b\u5173\u7cfb\u5982\u4e0b
Vo = Vin + Vlf
\u7535\u5bb9Cf\u7528\u4e8e\u8f93\u51fa\u7a33\u538b\uff0c\u7535\u611fLf\u7528\u4e8e\u50a8\u80fd\uff0c\u5f53Q\u5bfc\u901a\u65f6\u4e8c\u7ea7\u7ba1D\u53cd\u5411\u622a\u6b62\uff0c\u4f7f\u5f97\u8f93\u51fa\u7a33\u5b9a\u3002<\/p>\n\n\n\n

BUCK-BOOST\u964d\/\u5347\u538b\u5f00\u5173\u7535\u6e90<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u4e09\u6781\u7ba1\u7528PWM\u63a7\u5236\u901a\u65ad\u7684\u6bd4\u4f8b\uff0cVo\u548cVin\u6ca1\u6709\u76f4\u63a5\u7684\u5bf9\u5e94\u5173\u7cfb\uff0cVo\u4ec5\u4ec5\u662f\u7531\u7535\u611fVlf\u7684\u84c4\u80fd\u8fdb\u884c\u5145\u7535\uff0c\u901a\u8fc7\u63a7\u5236PWM\u5c31\u80fd\u8c03\u6574Vo\u7684\u5927\u5c0f\uff0c\u53ef\u4ee5\u5927\u4e8eVin\u4e5f\u53ef\u4ee5\u5c0f\u4e8eVin\u3002<\/p>\n\n\n\n

\u7535\u6e90\u8bbe\u8ba1\u7684\u5de5\u5177<\/h2>\n\n\n\n

\u5404\u5927\u7535\u6e90\u82af\u7247\u5382\u5546\uff08ADI\uff0cTI\u7b49\uff09\u90fd\u63d0\u4f9b\u7535\u6e90\u8bbe\u8ba1\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u4ece\u4ed6\u4eec\u7684\u5b98\u7f51\u83b7\u53d6\u3002\u4f8b\u5982TI\u63d0\u4f9b\u7684\u662f\u5728\u7ebf\u5de5\u5177
https:\/\/webench.ti.com\/power-designer\/switching-regulator<\/a>
\u63d0\u4f9b\u8f93\u5165\uff0c\u8f93\u5165\u7684\u53c2\u6570\uff0c\u4e5f\u53ef\u4ee5\u9650\u5b9a\u82af\u7247\u7f16\u53f7\uff0c\u5c31\u53ef\u4ee5\u83b7\u5f97\u53c2\u8003\u8bbe\u8ba1\u7684\u539f\u7406\u56fe\u548c\u5e03\u7ebf\u56fe\uff0c\u4ee5\u53ca\u6240\u7528\u5668\u4ef6\u7684BOM\u3002\u5982\u4e0b\u56fe\u5c31\u662fTPS54332\u76843.6V\/3.5A\u8f93\u51fa\u7684\u53c2\u8003\u8bbe\u8ba1\u7684\u539f\u7406\u56fe\u3002

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

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

\u5e38\u89c1\u7684\u7535\u6e90\u7ed3\u6784\u4e3b\u8981\u5206\u6210\u5982\u4e0b\u4e24\u7c7b \u7ebf\u6027\u7535\u6e90 LDO \u5f00\u5173\u7535\u6e90 BUCK\uff0cBOOST\uff0c BUCK-BOOST \u7ebf\u6027 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0},"categories":[6],"tags":[],"_links":{"self":[{"href":"http:\/\/www.tinywsn.net\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/954"}],"collection":[{"href":"http:\/\/www.tinywsn.net\/wordpress\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.tinywsn.net\/wordpress\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.tinywsn.net\/wordpress\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.tinywsn.net\/wordpress\/index.php\/wp-json\/wp\/v2\/comments?post=954"}],"version-history":[{"count":21,"href":"http:\/\/www.tinywsn.net\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/954\/revisions"}],"predecessor-version":[{"id":986,"href":"http:\/\/www.tinywsn.net\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/954\/revisions\/986"}],"wp:attachment":[{"href":"http:\/\/www.tinywsn.net\/wordpress\/index.php\/wp-json\/wp\/v2\/media?parent=954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.tinywsn.net\/wordpress\/index.php\/wp-json\/wp\/v2\/categories?post=954"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.tinywsn.net\/wordpress\/index.php\/wp-json\/wp\/v2\/tags?post=954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}