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TPS25983: Priority Mux Switch Schematic Review

Caner Alp
Prodigy 115 points
Part Number: TPS25983
Other Parts Discussed in Thread: ALP

Tool/software:

Hi,

I am designing a priority mux using TPS25983. I want to use UVLO and OVLO, therefore I am controlling the secondary eFuse with the PGOOD signal from the primary. Is this approach correct? Do you see any drawbacks? Can you please review my approach?



Regards,

Caner
Alp

  • 0
    TI__Mastermind 38985 points

    Hi caner,

    I don't see any concern in the method. For the implementation, I would recommend pulling EN low using the FET instead of shorting the OVLO pin to Supply. Shorting the OVLO pin to Vin may result in abs max violation of the device (depending on the operating voltage condition).

    Best Regards,
    Arush