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TPS62742: TPS62740/TPS62742

6247563
Prodigy 10 points
Part Number: TPS62742
Other Parts Discussed in Thread: TPS62740,

Hello

The datasheet suggests (to me) that TPS62742 can be used as a drop in replacement for TPS62740. If I do this can we safely say there will be no change in EMC signature, switching frequency will be the same, efficiency will not be degraded (especially at very low currents 10-15uA) etc - or would all this need to be shown by putting the replacement device through the design-in process as if we were starting from scratch? Thanks for your help.

Best regards

Des

  • 0
    TI__Expert 7585 points

    Hi Des, 

    Thanks for your question.

    The two devices are pretty similar, but they still have some differences (mainly the switch current limits, in order to allow an higher current capability).

    I don't expect that you will find any major differences, but I would advise you to check the parameters (if any) that was already critical for your design with TPS62740.

    Please ask again if you need further support.

    Thanks,

    Stefano

    All information in this correspondence and in any related correspondence is provided “as is” and “with all faults”, and is subject to TI’s Important Notice (http://www.ti.com/corp/docs/legal/important-notice.shtml).