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  • TPS23754: Differences between TPS23756 and TPS23754

    TI Thinks Resolved
    Part Number: TPS23754 Other Parts Discussed in Thread: TPS23756 Tool/software: Hello TI: I am planning to use a PoE PD controller which needs to support up to class 4, and I am checking the differences between TPS23754 and TPS23756, in the datasheet…

  • RE: TPS23754-1: Regarding TPS23754-1(TPS23754PWPR-1) 802.3at POE issue

    Hi Shermen, Thanks for your patience. For C11 = 47uF or 22uF shermen fang said: From FAE/ Ian and you said that " 25.5W 推薦33-47 uF. 22uF 比較worst的250us 0-current transient不行，但99.9%的情况影響不大。" Yes this is for the C11: 33-47uF is recommended to fully…
    • Answered

  • TPS23754: Inquiry about Secondary-Side MOSFET Operation of TPS23754 PD IC

    Resolved
    Part Number: TPS23754 Other Parts Discussed in Thread: UCC2897A Tool/software: Dear Team, Hello, I would like to inquire about the secondary-side synchronous rectification N-MOSFET (Q4) and the N-MOSFET (Q1) that controls it in relation to the TPS23754…
    • Resolved

  • RE: TPS23754-1: Regarding TPS23754-1(TPS23754PWPR-1) 802.3at POE design question

    Hi shermen, Thanks for your patience. The calculation does not consider capacitance changes with higher voltage (DC bias). I think other parts of your concerns about caps are answered in " ">e2e.ti.com/.../5715484 We could not provide personal…
    • Answered

  • PMP22301: TPS23754

    Resolved
    Part Number: PMP22301 Other Parts Discussed in Thread: TPS23730 Tool/software: We are referring to the PMP22301 reference design to develop a 30W (24V/1.25A) PD based on the guidelines outlined in SLVA305C, using the POE300F-24L_ transformer. According…
    • Resolved

  • TPS23754: TPS23754 for LINE UV function

    Part Number: TPS23754 Other Parts Discussed in Thread: TPS23731 Tool/software: Hi TIer, May I know the TPS23754/6/1 can archive the line undervoltage soft-stop protection by external circuits? please help provide the reference circuit. we need option…

  • RE: TPS23754: T2P not becoming active when APD is active

    Hi Michael, Thanks for your patience. Michael Gilge said: My question is, what could be the reason for not having the T2P go low when adapter power is present and the ADP-pin is higher than 1.5V? Except the faults like over temperature, or transients during…
    • Answered

  • TPS23754: PoE 24V 30W Reference Design

    Resolved
    Part Number: TPS23754 Tool/software: Hello everyone, Is there any 24V reference design for TPS23754? I want to design a 24V 30W PoE circuit and I am very new in this PoE world. I've checked one reference design but I think the PoE transformer is now…
    • Resolved
    • Answered

  • TPS23754: Request for dual output flyback transformer for TPS23754

    Resolved
    Part Number: TPS23754 Other Parts Discussed in Thread: PMP22301 Tool/software: Hi I am looking for a PoE PD with dual outputs of 24v and 3.3v using the TPS23754. I have not found the right transformer for this. So far the closest option is the JA4372…
    • Resolved

  • RE: TPS23754: PoE PD controller

    Hi Sijo, This transformer is for flyback only. May I know if you also changed the circuit from forward converter to flyback converter? If so, could you share you updated schematic. Sijo Augustine said: Flyback can also use, if there is a design having 12V…

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