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BQ76922: loading REG18

Keith Keller
Expert 7230 points
Part Number: BQ76922

Tool/software:

Hello,

Would it be possible to draw 400uA off the REG18 integrated linear regulator?

IC max draw on REG18?

Thank you, Keith

  • 0
    TI__Genius 17755 points

    Hello Keith,

    The REG18 pin is mainly for internal circuitry, however, a 400uA load should be okay on the REG18 pin. Something to keep in mind, is if there are any transients from it, it could affect some ADC measurements that use the pin as a voltage reference internally.

    The IC max draw on REG18 is shown below in Section 6.10 REG18 LDO (continued) of the datasheet.

    Best Regards,
    Alexis