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.

bq24195 REGN LDO 无输出

Other Parts Discussed in Thread: BQ24195

电路图如上,现在问题是:

1、插入电脑USB,5V,VCC_SYS 3.8V 输出正常;不插USB,电池插上,VCC_SYS 3.8V 输出正常;

2、电池插上,且USB 5V ,VCC_SYS 3.8V 输出正常;但是,不充电,寄存器值为:

BQ24195 Reg0-7:

Reg0: 05

  Reg1: 1B

  Reg2: 61  Reg3: 11 Reg4: B2  Reg5: 0A

  Reg6: 01

  Reg7: C3
 

BQ24195 REG08 System Status Register: 04  ,电源good,无输入源?

BQ24195 REG09 Fault Register: 06

REGN  引脚 无任何电压输出。

就是说,一直不充电,怎么回事情?另外,我尝试将D-拉倒GND,也不行。

在线等。