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bq24195充电电流总是被限制为100mA

Other Parts Discussed in Thread: BQ24195, BQ24195L

本人正在使用BQ24195给电池充电. 当用USB电源(5V 2A) 插入时,电流总是只有100mA。BQ24195被MCU控制,方式如下:

  1. 写入0x8A 至REG05 
  2. 写入0x1B 至REG01
  3. 写入0x36 至REG00
  4. 写入0x00 至REG06 

REG08读得0x00,REG09读得0x23。

D+\D-悬空。

求教各位原因,谢谢!