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Showing 9 results View by: Thread Post Sort by
  • UCC28881EVM-680: Question about the maximum voltage of L2 part on the EVM.

    Kazuya Nakai59
    Kazuya Nakai59
    TI Thinks Resolved
    Part Number: UCC28881EVM-680 Tool/software: Hello guys, One of my customers is evaluating UCC28881EVM-680 for their new products. At this moment, they have the following question. Could you please give me your reply? Q1. Wurth Elektronik, 7447471102…
    • 6 months ago
    • Power management
    • Power management forum
  • Answered
  • UCC28881EVM-680: About EVM Sizing

    Ryu Yamashita
    Ryu Yamashita
    Resolved
    Part Number: UCC28881EVM-680 Hi team, What are the length, width, and height sizes of the EVM? Sincerely. Ryu
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • UCC28881EVM-680: Unstable output voltage

    Franz Schellhase
    Franz Schellhase
    TI Thinks Resolved
    Part Number: UCC28881EVM-680 Other Parts Discussed in Thread: UCC28881 Hi Team, Can you have a look at the following customer questions, please? I’m trying to test and measure some of the UCC28881 EVM-680 as your support by connect to the main voltage…
    • over 3 years ago
    • Power management
    • Power management forum
  • UCC28881EVM-680: When loading 0-130ma with TI UCC28881 EVM(UCC28881EVM-680), the board makes a harsh sound.How to solve this issue? Thanks!

    user4359409
    user4359409
    TI Thinks Resolved
    Part Number: UCC28881EVM-680 Other Parts Discussed in Thread: UCC28881 Dear Sirs, When loading 0-130ma with TI UCC28881 EVM (UCC28881EVM-680), the board makes a harsh sound.How to solve this issue? Thanks!
    • over 6 years ago
    • Power management
    • Power management forum
  • UCC28881EVM-680: Making a battery charging circuit with UCC28881EVM-680

    Ayan Moni
    Ayan Moni
    TI Thinks Resolved
    Part Number: UCC28881EVM-680 Other Parts Discussed in Thread: UCC28881 , UCC28704 , BQ24401 We are trying to use the UCC28881 to charge a nickel cadmium battery. The input power should not exceed 0.8 W and we are eyeing 80% efficiency. The max battery…
    • over 8 years ago
    • Power management
    • Power management forum
  • UCC28881EVM-680: 230Vac to 5Vdc/400mA

    CHAMKHI HAITHEM
    CHAMKHI HAITHEM
    TI Thinks Resolved
    Part Number: UCC28881EVM-680 Other Parts Discussed in Thread: LM25007 , UCC28881 , Hi, I'm designing a power supply that should deliver 3.3V and 5V from 230VAC. The current rating is 300mA @ 3.3V and 100 mA @ 5V (Maximum values). My biggest concern…
    • over 8 years ago
    • Power management
    • Power management forum
  • UCC28881EVM-680: Any issue with a smaller inductor current for L1?

    Christina Lim
    Christina Lim
    TI Thinks Resolved
    Part Number: UCC28881EVM-680 Other Parts Discussed in Thread: UCC28881 Hi, We are trying to build a solution with reference to UCC28881 Offline High side Buck regulator. For L2, we are having issue fitting a larger inductor like what spec in the reference…
    • over 9 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC28180EVM-573: Substrate Size and Safety Distance

    Ryu Yamashita
    Ryu Yamashita
    Resolved
    Part Number: UCC28180EVM-573 Other Parts Discussed in Thread: UCC28180 , UCC28881EVM-680 , UCC28881 Hi team, I am trying to evaluate UCC28180EVM-573 in a case for safety reasons, but there was no size information provided. Could you please provide me…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • RE: UCC28910: Non isolated implementation: PMP 4443

    Jaden Ning
    Jaden Ning
    Hi Adelson, Please refer to above schematic , can you add a auxiliary winding for VDD ? And we have another controller IC named UCC28881 which can meet your requirement without a aux winding for your application . I attached the EVM board for your…
    • over 8 years ago
    • Power management
    • Power management forum

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