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BQ25186: BQ225186

Dante Fasano
Intellectual 290 points
Part Number: BQ25186
Other Parts Discussed in Thread: BQSTUDIO

Tool/software:

Waking BQ25186 from SHIP mode with a button psh does not seem to work

  • 0
    TI__Expert 7920 points

    Hi Dan,

    Thanks for reaching out. I'm replying here to your post from this thread:  BQ25186EVM: BQ25186EVM 

    You're correct that ship mode can be exited either by connecting a valid VIN or by pressing the push button for tSHIPWAKE (2s). In contrast, shutdown mode can only be exited by connecting a valid VIN.

    Could you please share a register dump of the charger when you're unable to wake it up using the push button? If you're using bqStudio, you can click "Save Registers" or just send a screenshot.

    I'd like to confirm that the push button is enabled (EN_PUSH = 1b1). I2C communication is disabled in shutdown mode, so if the device NACKs when this issue occurs, that's likely why.

    Best regards,

    Alec