电动车充电器32842芯第7角电压是12v 什么毛病？ 12v电瓶能否用48v电动车充电器充电

\u7535\u52a8\u8f66\u7535\u74f6\u4e0e\u5145\u7535\u5668\u5339\u914d\u95ee\u9898

\u4e00\u3001\u7535\u74f6\u662f48V15AH\uff0c\u752848V14AH\u7684\u5145\u7535\u5668\uff0c\u7535\u74f6\u548c\u5145\u7535\u5668\u57fa\u672c\u5339\u914d\u3002
\u4e8c\u3001\u7535\u74f6\u662f48V10AH\uff0c\u752848V14AH\u7684\u5145\u7535\u5668\uff0c\u5145\u7535\u5668\u7684\u529f\u7387\u504f\u5927\uff0c\u7535\u74f6\u5145\u7535\u65f6\u95f4\u77ed\u3001\u4e14\u5feb\uff0c\u57283\uff0d\uff0d5\u5c0f\u65f6\u5185\uff0c\u5c31\u53ef\u628a\u7535\u74f6\u5145\u6ee1\uff0c\u53ea\u8981\u5145\u7535\u65f6\u95f4\u4e0d\u5927\u4e8e10\u4e2a\u5c0f\u65f6\uff0c\u4e14\u5145\u7535\u5668\u7684\u5404\u9879\u6307\u6807\uff0c\u5747\u6b63\u5e38\u7684\u8bdd\uff0c\u5bf9\u7535\u74f6\u6ca1\u4ec0\u4e48\u5927\u7684\u5f71\u54cd\u3002
\u4e09\u3001\u7535\u74f6\u662f48V20AH\uff0c\u752848V14AH\u7684\u5145\u7535\u5668\uff0c\u5145\u7535\u5668\u7684\u529f\u7387\u504f\u5c0f\uff0c\u7535\u74f6\u5145\u7535\u65f6\u95f4\u5ef6\u957f\uff0c\u4e14\u7535\u74f6\u5bb9\u6613\u5931\u6c34\u3002\u4e0d\u80fd\u957f\u671f\u4f7f\u7528\u3002
\u4ee5\u4e0a\u53ea\u662f\u4e2a\u4eba\u89c1\u89e3\u3002

\u51b3\u5bf9\u4e0d\u80fd\uff0c12V\u7535\u74f6\u53ea\u80fd\u752814V\u5145\uff0c48v\u7535\u52a8\u8f66\u5145\u7535\u5668\u7535\u538b\u592a\u9ad8\u670959V

是3842吧？很常用的开关电源pwm，第七脚是供电脚，正常电压就是十几v，看下8脚是否出现5v参考电压。

鐢靛姩杞﹀厖鐢靛櫒32842鑺7瑙鐢靛帇鏄12v 浠涔堟瘺鐥?
绛旓細鏄3842鍚э紵寰堝父鐢ㄧ殑寮鍏崇數婧恜wm锛绗竷鑴氭槸渚涚數鑴氾紝姝ｅ父鐢靛帇灏辨槸鍗佸嚑v锛岀湅涓8鑴氭槸鍚﹀嚭鐜5v鍙傝冪數鍘嬨

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