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.

BQ24725A 寄存器写对了但是不充电



输入19V

ChargeCurrent  1024

ChargeVoltage 16800

InputCurrent 2048

ChargeOption 最后一位写的0三个寄存器都写了,而且DeviceID值也读到了。

ILIM 840mV

ACOK 3.34V

ACFET和RBFET打开了 ACDRV 25.9V CMSRC 19.9V

但是充电电流很小。

REGN的波形如下图

HIDRV波形如下图

原理图如下图所示