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BQ24195电源管理无法给电池充电

Other Parts Discussed in Thread: BQ24195

您好,我用BQ24195做电源管理,接电池时可以正常拉高输出5V电压,但是设置为给电池充电时却无法充电,各寄存器值为:

REG00=27;REG01=11;REG02=60;REG03=11;REG04=B3;REG05=8A;REG06=03;REG07=4B;REG08=84;REG09=06;REG0A=23

接5V,3A适配器,OTG和CE都拉低了,VBUS为6.38V,但BAT端只有0.1V到0.2V的跳变输出,

请问是什么原因?