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Showing 10 results View by: Thread Post Sort by
  • RE: PMP22087: Components to change to convert to 12V 15A

    Sheng-yang Yu1
    Sheng-yang Yu1
    Hi Basit, There is actually another design very closed to what you are looping for is the original design that 760895631 designed for. https://www.ti.com/tool/PMP21251 You can just use PMP21251 as your reference. Regards, Sheng-Yang Yu
    • 8 months ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • UCC256304: PMP21251 UCC25630X

    Jack Deng
    Jack Deng
    TI Thinks Resolved
    Part Number: UCC256304 Other Parts Discussed in Thread: PMP21251 Hi TI guys: could you help to provide the PMP21251 transformer design drawings, thx
    • over 6 years ago
    • Power management
    • Power management forum
  • Answered
  • [FAQ] PMP21251: How do UCC28056 and UCC256304 help maintain high efficiency across all load operations in low cost, high efficiency, offline AC/DC converters?

    Sandeep Tare
    Sandeep Tare
    Resolved
    Part Number: PMP21251 Other Parts Discussed in Thread: UCC28056 , UCC256304 How do UCC28056 and UCC256304 help maintain high efficiency across all load operations in low cost, high efficiency, offline AC/DC converters?
    • Resolved
    • over 6 years ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • RE: UCC256404: PFC OFF standby mode

    JCHK
    JCHK
    Hi Marco, The PFC ON/OFF feature is not present in the UCC25640x series. I will get this table updated as that row is incorrect. If you use our UCC28056 along with the UCC25640x you can achieve ultra-low standby power as shown in PMP21251 . This feature…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • RE: UCC256403: How the latch of TIDA-010081 reference design work ?

    Manikanta Pallantla
    Manikanta Pallantla
    Resolved
    Hi Jimmy, You are correct. This circuit is going to make the controller to restart rather than latch. Please refer the following references for implementing Latch up circuit: PMP21251 Schematic Power Tip 38: Simple latch circuit protects power supplies…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UCC256304: New design datasheet/calculator confusion

    Tyler Hutchison
    Tyler Hutchison
    Resolved
    Part Number: UCC256304 Other Parts Discussed in Thread: PMP21251 , , UCC28056 , UCC256404 Hi there, I'm working on a new design with the UCC256304 following up the UCC28056 (very similar to the PMP21251 reference design, but with increase power load). I…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • RE: TL494: SG3525 , TL494 "Short circuit and Overload protection"

    Benjamin Lough
    Benjamin Lough
    Hi Henk, You could use a current sense resistor + CS amplifier. PMP21251 is one example of this: http://www.ti.com/lit/df/tidrvj7/tidrvj7.pdf This circuit was used to do latched overcurrent protection in PMP21251. Best Regards, Ben Lough
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: UCC24624: Switching Frequency above 625kHz - what's going to happen?

    Benjamin Lough
    Benjamin Lough
    Resolved
    Hi Andre, You could place a PNP transistor in between the VDD pin of UCC24624 and its voltage bias. You could then use a circuit such as what is shown in PMP21251 but instead of doing OCP, use it to turn on or off the transistor to enable/disable UCC24624…
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC28056: to use with UCC256304, Inrush current prevent

    Hiroshi Doi35
    Hiroshi Doi35
    Resolved
    Part Number: UCC28056 Other Parts Discussed in Thread: PMP21251 , , Hi all, For PMP21251 , Inrush current prevent circuit is absolutely necessary? UCC28056 is very small ,but no merit because required a lot of space of Q100,Q102,Q103,D108,C113,C116,C117…
    • Resolved
    • over 7 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC256304: Inquire UCC28056 + UCC256301/UCC256304 design question

    user4773172
    user4773172
    Resolved
    Part Number: UCC256304 Other Parts Discussed in Thread: UCC28056 , UCC256301 , PMP21251 , UCC256302 Hi Sir, May I have your help for below quesitons? 1. Focus on UCC28056 + UCC256301/UCC256304 2. Could TI solution pass CoC Tier 2 and no load under 100mW…
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum

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