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关于BQ24133充电不正常

 

12V、3A的稳压源插入后,稳压源会出现过流保护,稳压源输出电压变成9.76V。板子设计是2A输入,为什么会出现这个问题。后端负载已经断开。

CMSRC 9.35v

ACP:9.42V

ACN:9.37v

ACDRV:15.76V

VREF:3.28V

REGN:5.98V

BATDRV:9.41V

AC采样电阻两端电压正常。电池采样电阻两端电压量不到,为0.板子没有虚焊,封装没有问题。