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BQ25792: SDRV pin output voltage

Jimmy Lai
Expert 6845 points
Part Number: BQ25792

Dear Team,

Our customers want to know what is the output voltage of SDRV PIN? Will the output voltage be stable? Thank you!

BR,

Jimmy

  • 0
    TI__Guru*** 143880 points

    Hi Jimmy,

    The output is approx 5V + battery voltage in order to turn on the FET.  The SDRV pin can only drive a small capacitive load, like the gate of a FET.  Any other loading, even the 10Mohm of a scope probe, can cause the SDRV pin to oscillate.

    Regards,

    Jeff