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TPS7H4003-SEP: PG timing difference at parallel operation

David Park
Expert 6680 points
Part Number: TPS7H4003-SEP

Tool/software:

Hi,

Could you let me know PG timing difference between 2 parallel devices?

Customer would like to use it for parallel operation with 2 devices.

Due to some issue, they want to use PWRGD of device1  and device2 separately.

Please let me know the tolerance of timing of PWRGD between 2 devices.

Thanks.

  • 0
    TI__Expert 5161 points

    Hi David,

    The answer to this will depend on the customer's implementation, and part-to-part variation.

    Part-to-part variation in PWRGD threshold and VREF, as well as the slope of VOUT during soft start, will be the determining factors in any PWRGD timing differences between the two devices.

    Thanks,

    Andy