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TPS23730: PoE bt solution

blue lan
Prodigy 40 points
Part Number: TPS23730
Other Parts Discussed in Thread: TPS23731

Tool/software:

Hi TI : 

we would like to design 48V to 12V by 802.3bt PoE.

Could you help to provide reference EVB schematic for TPS23730 or TPS23731 ?

do you know what different TPS23730 and TPS23731 ??

  • 0
    TI__Mastermind 26761 points

    Hi Blue,

    Thanks for reaching out!

    In short TPS23730 is rated for 51W (Class-6) standard PD and TPS23731 is rated for 25.5W (Class-4) standard PD. 

    In majority of cases, BT PoE is for Class 5-8 (40W - 71.3W), and TPS23730 is recommended. Please see below pictures for more detailed information. 

    Best regards,

    Diang