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  • TPS23758: External Adapter of TPS23758 has Priority

    Part Number: TPS23758 Other Parts Discussed in Thread: TPS23755 Hello E2E Experts, Can TPS23758 achieve the function of prioritizing the supply from the external adapter when the external adapter's voltage is 5V? Simply by not supplying power to the…

  • TPS23758: TPS23758: no voltage on transformer output

    Part Number: TPS23758 Hello, I designed a board using TPS23758RJJR based on the schematic below: https://cdn.hackaday.io/files/1683567202943104/PoE-FeatherWing-1.pdf The transformer I'm using is Coilcraft POE70P-50LD (vs the Chinese HR051067 part…
    • Answered

  • TPS23758: Cbulk voltage rating

    Resolved
    Part Number: TPS23758 Hi Zhining, My customer is wondering could they select 80V rating CAP for Cbulk? They facing a heat problem with the 100V rating cap package Thanks
    • Resolved
    • Answered

  • TPS23758: TPS23758 vs TPS23754 EMI performance

    Resolved
    Part Number: TPS23758 Other Parts Discussed in Thread: TPS23754 , TPS23754EVM-383 , Hi team, My customer is choosing their POE solutions between TPS23754/8 Can you share the following items of TPS23758EVM-080 & TPS23754EVM-383 Overall efficiency…
    • Resolved

  • TPS23758: ESD Issue

    TI Thinks Resolved
    Part Number: TPS23758 Other Parts Discussed in Thread: TPS23755 Tool/software: Hi expert, My customer is testing TPS23758 and found there is an ESD issue, do you have some suggestion to avoids ESD issue or how to recover TPS23758 after it is powered…

  • TPS23758: IEEE 802.3af PoE PD protection mechanisms

    TI Thinks Resolved
    Part Number: TPS23758 Tool/software: Hello, I would like to know in what situations the TPS23758 IEEE 802.3af PoE PD triggers its protection mechanisms. Could you clarify the conditions or scenarios that lead to this? Thank you!
    • Answered

  • TPS23758: Ground connection considerations, VSS, PGND, GND, Earth

    Resolved
    Part Number: TPS23758 Tool/software: I had a previous open ticket regarding my TPS23758 design and at the end of the conversation potential handshaking issues as a result of grounding were brought up. I am seeing an issue resurfacing of failed POE circuits…
    • Resolved

  • TPS23758: ESD issue

    Part Number: TPS23758 Tool/software: Hi Expert, My customer has found an ESD issue of TPS23758 as below. Please help to analyze. Thanks TPS23758 wouldn't output normally (output voltage is 0) after doing ESD test, and R&D must re-power for TPS23758…
    • Answered

  • TPS23758: TPS23758_System

    Resolved
    Part Number: TPS23758 Other Parts Discussed in Thread: TPS23730 Tool/software: Hi Team, My TPS23758 design would have 2 input source, Ethernet Network Port and 48VDC adapter(24W). As I know, TPS23730 have the pin of TPH,TPL,BT# could provide a high…
    • Resolved

  • TPS23758: Vgs of output FET on reference design

    TI Thinks Resolved
    Part Number: TPS23758 Other Parts Discussed in Thread: CSD17308Q3 Tool/software: Hello, Revisiting another aspect of my TPS23758 design and the EVK design. I'm probing Vgs and Vds to ensure they are in spec for the output FET. While comparing my original…

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