1、现在通讯正常。输入源为+5V和GND,SYS管脚为单片机供电。
2、CHG_CONFIG置1,使能充电后,电池并未充电,请问什么原因??输入电流一直为20mA,是否太低了??
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SYS不对外供电时(SYS管脚悬空),电池未接入时,插上输入源5V,SYS管脚电压为3.667V,BAT管脚电压为0.15V。
当电池接入时,输入源也接入时,SYS管脚电压为3.870V,BAT管脚电压为3.806V。输入电流一直为10mA,请问什么原因?