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BQ25895: BQ25895 consumed solar cells was relatively high,

Jerry Yang48
Intellectual 640 points
Part Number: BQ25895

Hello,.
         In the course of testing, we found that when BQ25895 was input to solar panels, when the input power of BQ25895 was low, the current of 25895 sometimes up to 1.xmA. See annex, the picture is the input waveform of BQ25895. I would like to ask what causes excessive battery current consumption in this state, and how to avoid it reasonably. Thank you for your support！

  • 0
    TI__Genius 16175 points
    Hi,
    If you use external power supply for BQ25895, how about the situation?
    From your waveform, it seems input solar power is crush.
    And what is your battery voltage and input current, VINDPM and charge current setting?
    Do you have any system load during testing?
    Thanks
  • 0 in reply to Paul Yeh
    TI__Genius 10240 points
    Hi there,

    We haven’t heard back from you. We are assuming you were able to resolve your issue. If not, just post a reply below or create a new thread if the thread has locked due to time-out.