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BQ25792: suggestion for input selection FETs

Eric Steimle
Expert 2260 points
Part Number: BQ25792
Other Parts Discussed in Thread: CSD17581Q3A

Do you have any suggestions for input selection FETs for the BQ25792? It's listed as optional in the datasheet.

Thank you

  • 0
    TI__Guru**** 158501 points

    HI Eric,

    Since used only as a MUX switch, those FETs need a voltage rating that is higher than the expected input voltage max and an RDSon that is low enough not to cause more than 100mV of voltage drop at max input current.  The EVM uses TI's CSD17581Q3A but those are not required.

    Regards,

    Jeff