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  • TPS23752: Need to Design Review related to TPS23752 section.

    TI Thinks Resolved
    Part Number: TPS23752 Tool/software: We need to review POE section in our design. We applied that in 2 PCB. Please find both Gerber and schematic file for both PCB. Need to review for improvement. Review POE design.zip

  • TPS23752: TPS23752 POWER OVER ETHERNET, OUR LAN8740 IC heating very much.

    Part Number: TPS23752 Other Parts Discussed in Thread: PMP11254 On normal power supply our circuit of LAN8740 IC heat normal, But on TPS23752 IC POE supply LAN8740 IC heat very much high. Please needful for this.

  • TPS23752: TPS23752 help in redesign gate transformer

    TI Thinks Resolved
    Part Number: TPS23752 Hello, I have a short question how to redesign reference design SLVRB65. The problem is to get gate transformer LTC0266-50. I found a similar one PE-68386NL. After analyzing the schematic I think I should change capacitors C33…

  • TPS23752: Is a buck converter available for the TPS23752?

    TI Thinks Resolved
    Part Number: TPS23752 Other Parts Discussed in Thread: TPS23755 Hi. I have a question. I'm going to design the PD(Powered Device) of PoE(Power over Ethernet). (IEEE 802.3at. / 25W) I will use TPS23752parts. ** If you have any good parts other…

  • TPS23752: Heating of Bridge Rectifier and also output diode and RC snubber circuit

    TI Thinks Resolved
    Part Number: TPS23752 We use attached POE circuit in our device. When our output load is upto 12V, 1.5A then, Bridge rectifiers and output diode and RC snubber ciruit heat upto 80 deg C. Please help to solve this issue. We use B6S Bridge rectifier…

  • TPS23752: TPS23752 Efficiency at 5V 200mA

    TI Thinks Resolved
    Part Number: TPS23752 Other Parts Discussed in Thread: TPS23758EVM-080 Dear Sirs,w we tested the Evalboard for the TPS23752 with a load of 5V 200mA. The efficiency is lower than expected. Is there a way to tune the design for better performance…
    • Answered

  • TPS23752: the threshold between PWM and VFO on output loading

    Resolved
    Part Number: TPS23752 Other Parts Discussed in Thread: TPS23751 , TLV431A , From TPS23752 datasheet " 8.2.2.7 Setting the PWM-VFO Threshold using the SRT pin " as below. How could I know the threshold between PWM and VFO on output loading? Could I…
    • Resolved

  • TPS23752: solution survey and check

    TI Thinks Resolved
    Part Number: TPS23752 Hi Expert, Customer need sleep/wake-up mode function for PD+ DC/DC design, I only found TPS23752 could meet the criterial. to check reference design, our use isolate DC/DC to design. but customer would to implement non-isolate…

  • TPS23752: PD+DC/DC solution with Sleep mode

    TI Thinks Resolved
    Part Number: TPS23752 Hi Expert, Customer would to meet Erp Lot6 “<0.5W at sleep mode” requirement. Below is detail information, 7802 POE spec: Non-isolation Poe class 1 5V output Efficiency >82% Support 48V adapter Sleep mode and wake…

  • RE: TPS23752: How to generate PWM in TPS23752 between PWM and VFO mode

    Yang, I received your email with the diagrams. Let's continue the discussion via email. I'll put this thread as resolved. -Artem

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