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TPS23756: Asking for the TPS23756 POE design

SHH
Mastermind 30301 points
Part Number: TPS23756

Hi Team,

Customer is designing TPS23756 POE.

Can TPS23756 inform the system MCU the PSE connection is POE or POE+ via T2P?

 

BR,

SHH

  • 0
    TI__Mastermind 21320 points

    Hello SHH,

    The T2P pin detects if the PSE is a Type 2 (PD Class 4, 25W). 

    Back when there was only IEEE802.3.af standard (up to 13W), people called the new IEEE802.3.at standard (up to 25W) "PoE+."

    Then anything >25W was called "PoE++"

    However, PoE++ is not IEEE802.3.bt standard. 

    So the T2P pin shows if a valid IEEE802.3.at 25W PSE is present. 

    Does that make sense?

    If this post answers your question, please indicate so by marking this thread as resolved. Thank you.

     

    Regards, 

     

    Michael P.

    Applications Engineer

    Texas Instruments