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BQ25703AEVM-732: BQ25703A: Charge, discharge current readback is always 0

Yue TANG
Expert 8705 points
Part Number: BQ25703AEVM-732

Hi,

        I'm testing BQ25703AEVM, I've enabled ADC functions and can get right input current and CMPIN readback. 

but the charge, discharge curent read back is always 0. please kindly suggest how to get this read back? thanks .

  • 0
    TI__Genius 11385 points

    Hi Yue Tang,

    Thanks for reaching out. 

    So the first thing I noticed was that your charge current is set to 0.

    I have tried it on the EVM. Upon POR, if you just enabled the ADC options like you did, you should be able to read the charge current. 


    (screenshots for charge current)

    You may also have to disable low-power mode (EN_LWPWR = 0) to read the values.

     (screenshot for discharge current)

    Thanks and I hope this helps,

    Peng

    *If my answer solves your question, please press "This Resolved My Issue" on the thread.