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Showing 21 results View by: Thread Post Sort by
    Answered
  • TPS23770: Layout and SCH review for POE section.

    INDHUMATHI S
    INDHUMATHI S
    Resolved
    Part Number: TPS23770 Tool/software: Hello Sir/ma'am, We have designed our PoE-based product using the TI TPS23770 chip and recently performed radiated emission testing. The results indicate failures at the 25 MHz and 75 MHz frequency ranges. Our…
    • Resolved
    • 6 months ago
    • Power management
    • Power management forum
  • TPS23770: TPS23770

    Maishalini T
    Maishalini T
    Part Number: TPS23770 Hi Team, we are looking for a spice/Tina model for TPS23770. On TI website it shows spice models are available based on request. So, kindly let us know where we can find it. Regards, Maishalini
    • over 3 years ago
    • Power management
    • Power management forum
  • TPS23770: Problem with TPS23770 circuit

    Steven Burr
    Steven Burr
    Part Number: TPS23770 Other Parts Discussed in Thread: TPS23750 , TPS23750EVM-107 , TLV431 I modified the circuit on page 33 with a different switching mosfet and a different diode. For some reason I'm getting 38V or 40V on the output. I did my own…
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS23770: TPS23770 SPICE MODEL

    kenneth nguyen
    kenneth nguyen
    TI Thinks Resolved
    Part Number: TPS23770 Other Parts Discussed in Thread: TPS2379 , TPS2378 Hi, I'm looking for the TPS23770 model for simulation.
    • over 3 years ago
    • Power management
    • Power management forum
  • TPS23770: TPS23770 design review

    Peter Tseng
    Peter Tseng
    TI Thinks Resolved
    Part Number: TPS23770 Hi Sir, Please help to review the YTPS23770 design schematics. Thanks. PoE by TPS23770.pdf
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS23770: 12V output for TPS23770 EVM...

    Peter Tseng
    Peter Tseng
    Resolved
    Part Number: TPS23770 Other Parts Discussed in Thread: TPS23750 Dear Sirs, How to modify the TPS23750EVM-107 for 12V output? My customer wants to use TPS23770 and use TPS23750 EVM with TPS23770 IC for testing. Please help. Thanks.
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • TPS23770: Secondary side MOSFET failure.

    Alen Abraham Mathew
    Alen Abraham Mathew
    Part Number: TPS23770 Hi, We are facing an issue with our PoE design, where the secondary MOSFET is failing(source to drain short) in the isolated flyback buck converter topology. When we measured the U19 MOSFET's drain and gate, we observed spikes…
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS23770: Requesting support on Transformer C1174-ALB in the TPS23770PWPR based design.

    Alen Abraham Mathew
    Alen Abraham Mathew
    Resolved
    Part Number: TPS23770 Hi all, We hope to get some clarity on the drive output of the C1174-ALB transformer. We observed a voltage of 28V on the drive output and a bias voltage of 52V when paired with TPS23770PWPR. (Input is a 48V from PoE). Note;…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • TPS23770: Output instability at low load

    kenneth nguyen
    kenneth nguyen
    TI Thinks Resolved
    Part Number: TPS23770 Other Parts Discussed in Thread: TPS23750 Hi I am currently designing an POE isolated flyback converter with the TPS23770. I am struggling to stabilize the output of my converter at low loads. however, when there is a heavy enough…
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS23770: Startup instabilities if the PSE output voltage rises slowly

    Jana Beck
    Jana Beck
    Resolved
    Part Number: TPS23770 Other Parts Discussed in Thread: TPS23750 , Hello, because the TPS23750 is currently out of stock, we are considering using TPS23770. Is this an issue that occurs a lot? 'Although the TPS23770 works with compliant PSEs, it could…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
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