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bq25703a 在主板开机后,插入DC充电器不能充电,量到VBUS是18V,但chrg_ok 是低,可能是什么问题?



在主板开机后,插入DC充电器不能充电,量到VBUS是18V,但chrg_ok 是低,可能是什么问题?该如何排查?