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BQ24616: Input resistor and capacitor

Kei Kuwahara
Expert 6530 points
Part Number: BQ24616
Other Parts Discussed in Thread: TPS25948,

Tool/software:

Hello team,

What is the purpose of the input resistor and capacitor (R20 & C16)?

I am considering to use eFuse (TPS25948) before the back to back FET in the diagram below.
I am going to use bypass capacitor at the input of TPS25948, so can I remove the R20 and C16 for BQ24616?

Best Regards,
Kei Kuwahara

  • 0
    TI__Mastermind 22230 points

    Hello Kei,

    R20 & C16 are used as a Input hot-plug snubber circuit. They are used to dampen the ringing due to input inrush current. They are recommened but are optional.

    Best Regards,

    Christian.