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关于BQ76940的休眠异常问题

Other Parts Discussed in Thread: BQ76940

我用BQ76940,其他功能完成正常,采集,传输。

就是无法正常进入休眠,给04寄存器发送00,01,02命令后,REGOUT的3.3V变成1.6V,并且afe的功耗增加几倍。我测试过在发了shut down命令马上回读,读回来的也是00,01,02,感觉写入的命令码没有问题。在开机上电后TS1也一直是低电平。

百思不得其解,所有来咨询大家。