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TPS2379: Non-Standard POE

CCphi CCsora
Intellectual 540 points
Part Number: TPS2379
Other Parts Discussed in Thread: TPS23841, TPS23754, TPS23861

Does TPS2379(PD) and TPS23841(PSE) can support non-standard POE as block diagram in attached file ? If cannot, which TI can support ? Thank you. 

  • 0
    TI__Mastermind 40670 points
    Hi CC,

    For the PSE please see below E2E link.
    e2e.ti.com/.../574890

    For the PoE PD depending on the power level you can use TPS2376H with adjustable UVLO or TPS23754 PPD functionality. The available power will be lower with a lower input voltage as the current limits on the PD are not adjustable.

    The TPS2379 does not have an adjustable UVLO and should not be used.
  • 0
    TI__Genius 15655 points

    Hi CC,

    On the PSE side, I have one more comment. TPS23861 also works at your voltage level. As long as the port voltage is >30V, I recommend you to use TPS23861 which is newer part and has better support materials. TPS23841 is the only part can work at 24V input/port voltage. Thanks.

    Best regards,

    Penny