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请问bq24103a的OUT引脚是怎么工作，是不是当有外部电源时OUT引脚输出一个额定电压（这个电压是多少？）当外部电源断开时OUT引脚和电池相连等于电池电压
这个急用啊，那位高人指点下。就是在有外接电源时OUT引脚输出电压是多少，外接电源断开时是不是芯片内部OUT引脚与BAT引脚相连，OUT引脚输出的是电池电压
