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求助 BQ24070 不充电,Vref为3.83V左右,超过手册说的3.3V,。电池电压为3.78V 。

Other Parts Discussed in Thread: BQ24070

BQ24070 不充电,Vref为3.83V左右,看手册上显示是3.3V。 电池电压为3.78V 。

经过测试,USB和电池切换正常,测试时CE直接接到USB电源上。 

附上电路图,请高手看看。