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TPS2490: OUT pin damage

Ella KIM
Expert 3942 points
Part Number: TPS2490

Hello Team,

I'm wondering if OUT pin can be damaged if a voltage is applied while input node is open. For customer application, 28V would be applied to OUT while VCC is open.

  • +1
    TI__Guru** 102571 points

    Hi Ella,

    There will be possibility of stressing the GATE with OUT pin powered by active source. They can use back-to-back FET configuration in common source topology to avoid such case. Can you share customer schematic to review.

    Best Regards,

    Rakesh