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BQ25890: OTG and USB charging support

JH Shin
Mastermind 7830 points
Part Number: BQ25890

Hello,

Does the OTG function of BQ25890 only support the OTG function when it is in High ? Or can it support OTG and USB charging together?

Thank you.

JH

  • 0
    TI__Mastermind 21825 points

    Hi JH, 

    The BQ25890 cannot support charging and OTG functions at the same time. The same switching FETs (Q2 and Q3) are used for buck charging and OTG boost operation, hence the IC cannot be in OTG mode while charging. 

    Best Regards,

    Garrett