bq24700是怎么控制电池和适配器的切换,图中mos管的DS应该调换一下,PMOS都是从S进D出吗,但是反过来的话,接上适配器电流不就通过内部二极管到电池了吗,这样行吗
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这个pmos接法没错,用法类似同步整流。
MOS管本身对电流方向是没有要求的,两个方向都可以导通。