This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

BQ24172无法充电问题

此电路用于给3节锂电池2A充电,输入15V,但充不进去。该电路,在不接电池时输出端不是该有12.6的电压吗?现在FB只有0.14V,BAT只有0.8V,为什么?经测,各个引脚电平也是正常的。ACDRV=21V,  CMSRC=15V,  VREF=3.3V,  ISET=0.4V,  ACSET=0.8V,  AVCC=15V,  OVSET=1.2V,   TS=1.9V,  REGN=6V,   BATDRV=15V,   SW=SRP=SRN=0.8V。