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BQ25895问题

Other Parts Discussed in Thread: BQ25895

Dear TI support team,

我这边新做了一个简单的充电测试模块, 使用的是TI 的BQ25895芯片, 电路图如下, 插上USB电源(VBUS=5V), OTG接地, CEB接地

ILIM端接190欧电阻,察看VBAT输出端电压为0, 其他节点电压如下

PMID=5.1V

SYS=3.6V, 

BTST=7.3V,

REGN=5.1V

请教,充电模式开启是否需要通过I2C设置寄存器值, 我这种情况是否属于正常, 如果不是, 问题会出在什么地方?

谢谢

JasonHu