Part Number: BQ24610
Dears,
issue description,
The HIDRV and LODRV output have failed in charge process, normal is PWM waveform, failed waveform is p ulses with a period of 4ms, the STAT1 STAT2 PG is normal voltage.
HIDRV output
BTST voltage
Part Number: INA226 Other Parts Discussed in Thread: BQ24610 我在项目中使用了两片ina226,一片用于监测BQ24610给电池充电时的电流和电池电压,另一片用于检测一路buck电路的输入电压及电流。原理图如下
两路ina226模块挂载在同一片mcu的iic外设上,在测试代码时发现问题:当 BQ24610使用电源适配器供电时(未接入电池),输入电压为24.5v,电池充电电压设置为16.8V(4s锂电池),使用万用表测试16.8V无误,但此时ina226返回的Vbus电压仅有11…