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BQ25895 系统电压设置为3.0V时,电池低电时进入SHIPPING MODE模式后插入DC无法正常开机

Other Parts Discussed in Thread: BQ25895

 当BQ25895 minimum system voltage设置为3.0V时,只有锂电池连接时,通过I2C控制检测到锂电池在3.1~3.5V时低电时关机进入SHIPPING MODE模式,电源适配器(VBUS 5V)连接后无法开机,SYSTEM输出电压还是锂电池的电压,没有切换到DC IN这路电,输出电压跟随锂电池电压变化,重新插拔电源适配一样无法开机,minimum system voltage设置为3.5V时则不会出现上述现象,但是minimum system voltage之前供应商FAE说必须设置为3.0V,不然电池低于3.6V低电时ADC不能正常工作,低于3.6V时IC无法正常检测电池电压,我们想知道为什么系统电压设置为3.0V时接入VBUS系统不能正常由电池切换到DC开机?