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Showing 64 results View by: Thread Post Sort by
  • UCC28950EVM-442: Understanding PSFB converter

    Jonathan Navor
    Jonathan Navor
    TI Thinks Resolved
    Part Number: UCC28950EVM-442 Other Parts Discussed in Thread: UCC28950 , Hi Guys, I need your help on this. Posting in behalf of the customer. Our customer is working on understanding PSFB converter and the topology with the ucc28950 evm-442. They…
    • over 4 years ago
    • Power management
    • Power management forum
  • RE: UCC28950EVM-442: Board Dimension

    Jonathan Geronga
    Jonathan Geronga
    Hi John, Is the 18.03X9.65X2.5 dimension is for UCC28950EVM-442 Power Stage board and in millimeter size? Our customer of Mark is looking for the board dimensions of UCC28950EVM-442 Power Stage board and the daughterboard also. Please let us know if you…
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC28950EVM-442: Calculations for EVM442 using TI Tools

    Danilo A.
    Danilo A.
    Resolved
    Part Number: UCC28950EVM-442 Other Parts Discussed in Thread: UCC28950 , UCC28951 , UCC2895 Hi Team, We would like to ask your help regarding our customer's inquiry below. I was using the tools (TINA TI and Excel Design Tool ) that TI have provided…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • UCC28950EVM-442: UCC28950 EVM-442 light load efficiency poor

    user6004348
    user6004348
    TI Thinks Resolved
    Part Number: UCC28950EVM-442 Other Parts Discussed in Thread: UCC28951 , UCC28950 HI sir I tested the demo board data and found that the efficiency is poor at light load . Because my design that fan is not working at light load In this case,the…
    • over 5 years ago
    • Power management
    • Power management forum
  • UCC28950EVM-442: Pin-to-Pin Short Test Data

    Satoshi
    Satoshi
    TI Thinks Resolved
    Part Number: UCC28950EVM-442 Other Parts Discussed in Thread: UCC28950 Is there Pin to Pin Short test report for UCC28950 EVM? Not only adjacent Pin-to-Pin, but also as far as expected Pin-to-Pin condition. ※These report are require to apply newly…
    • over 6 years ago
    • Power management
    • Power management forum
  • UCC28950EVM-442: Question about function and setting

    Satoshi
    Satoshi
    TI Thinks Resolved
    Part Number: UCC28950EVM-442 Other Parts Discussed in Thread: UCC28950 I have three points question below for UCC28950EVM-442; ①When measured voltage waveform near the transformer, attached below.  It look a little gap:⊿t=162ns, is it normal operation…
    • over 6 years ago
    • Power management
    • Power management forum
  • UCC28950EVM-442: HPA442 - daughter board. need extra

    George Oprica19
    George Oprica19
    TI Thinks Resolved
    Part Number: UCC28950EVM-442 I acquired this Demo board. It works fine. I need to expand my prototype and use 2 interleaved PWM's. Is the control card available for purchasing or sampling? HPA442 - EVM daughter board. I would need an extra one board…
    • over 7 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC28950EVM-442: Remodeling to isolated 1.5kW output

    Ryuji
    Ryuji
    Resolved
    Part Number: UCC28950EVM-442 Other Parts Discussed in Thread: UCC28950 Hello, Our customer would like to remodel the USS28950EVM to 260V, 5.6A , 1.5kW output. Are there any reference circuit for remodeling? Can we use the UCC28950EVM for 1.5kW output…
    • Resolved
    • over 7 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC28950EVM-442: What is the Function of these Resistors?

    Richard Elmquist
    Richard Elmquist
    Resolved
    Part Number: UCC28950EVM-442 Other Parts Discussed in Thread: UCC28950 What function do the R4=R14=R17=1M ohm resistors have on the input of the converter? There does not appear to be a function for them, but I wanted to ask to verify if they should…
    • Resolved
    • over 7 years ago
    • Power management
    • Power management forum
  • UCC28950EVM-442: How to measure Lo-side MOSFET Ids and Vds waveform

    Hiroshi Doi35
    Hiroshi Doi35
    TI Thinks Resolved
    Part Number: UCC28950EVM-442 Other Parts Discussed in Thread: UCC28951-Q1 , UCC28950 Hi All, My customer trying to measure of UCC28950EVM-442. He want to measure the waveforms of Q3 both Vds and Ids. He uses tex. P5205A differential prove to mesure…
    • over 7 years ago
    • Power management
    • Power management forum
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