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Original question:

BQ24780S: BQ24780S enter battery leran mode

BQ24780S: BQ24780S IDCHG function

xiaowei chen
Intellectual 680 points
Part Number: BQ24780S

Dear all:

   BQ24780S need IDCHG function,register 0X12  bit3 has set 1, but output voltage is 0V,To the issue if have good advice, thank you!

  • 0
    TI__Genius 16185 points

    Hi

    I think your system should be in battery mode condition.

    If yes, then you should disable low power mode otherwise IDCHG pin won't have output for reducing power consumption purpose.

    Please program REG0x12[15] to 0 o put IC in performance mode.

    Thanks