Hi support!
我司项目正在对电池BMS方案做预研,bq30z554输出参考原理图问题如下:如下图圈住的MOS管起到什么作用?原理是什么?谢谢!
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这个MOS是用来防止充电器插反。如果插反了,该MOS会导通,从而把放电管的Vgs强制拉到0V,避免放电管导通。