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TPS25750: Timing Issues of TPS25750

Zach Zhu
Intellectual 1580 points
Part Number: TPS25750

Tool/software:

Hi,

My customer uses TPS25750 and the device only operates in sink mode(power from type-C to BQ charger). In this case, PP5V can be grounded, right? Because VBUS and VBUS_IN should be shorted together, is there any timing issues of power of VIN_3V3 and VBUS?

FAE

Zach

  • 0
    TI__Genius 13880 points

    Hi Zach,

    If operating as a sink only, PP5V can be grounded yes. VIN_3V3 can be powered in this case and subsequently voltage can be applied to VBUS without issue. Additionally, VBUS can be powered first and VIN_3V3 can be subsequently powered, without issue.

    Regards,

    Conner