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电子工程专辑
4 年
3分钟说一说手机VBUS OVP电路
大家好,我是记得诚。 手机VBUS电路上,一般会有OVP防护,今天简单聊一聊这个电路。 OVP的全称是Over Voltage Protection,意为过压保护,在手机VBUS上加过压保护电路,一般有如下几个原因: 1、手机充电,用一些非原装劣质的充电器,会导致VBUS输出异常,异常的高 ...
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