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BQ24725无法充电,请教

Other Parts Discussed in Thread: BQ24725A

你好,我在做bq24725a的实验,适配器接上能正常给系统供电,电池单独接上也可以正常供电,

但是适配器与电池一起接的时候,发现并没有给电池充电,不知道什么原因导致下图中的HIDRV这个MOS管打不开?

希望高手能帮忙解答一下。