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BQ25703A的BATDRV#处于常高,MOS打不开

 DSN见截图,是参考的官方EVM,目前Vsys是12.27V,正常情况下应该打开BATDRV#那一路的MOS让我给VBAT充电,但是G级一直是12V。不是MOS的原因,请问下什么状况会导致G级不拉低呢?