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TPS62873: Design review

JH Shin
Guru 11270 points
Part Number: TPS62873


Tool/software:

Hello,

My customer requested a review from TI for their TPS62873 design below.

Please review the circuit design to see if there are any problems.

5633.TPS62873 SCH.PDF

Thank you.

JH

  • +1
    TI__Guru**** 151290 points

    Hi JH,

    Did you have any design requirements for this design, such as transient response or efficiency?

    Are all the output caps that are shown installed, or are some placeholders?  We usually don't use tantalum caps, for example.  Why is that one used here?

    The EN pin must see at least 15k of resistance in series, between it and the driving source.  I do not see this resistance on the schematic.

    Thanks,

    Chris