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  • LM51551: Flyback Converter Enters Hiccup Mode at 4A – Need Assistance with CS Pin LPF Tuning & Design Review

    TI Thinks Resolved
    Part Number: LM51551 Tool/software: Flyback Converter.pdf We have developed a flyback converter intended to generate a 12V/4A output from either a 48V/2A DC adapter or a PoE++ input (using the TPS2373-4 PD controller). We’ve attached the smart…

  • TPSF12C1-Q1: What is difference between "TPSF12CX-MATHCAD " and "TPSF12CX-DESIGN-CALC"?

    Part Number: TPSF12C1-Q1 Other Parts Discussed in Thread: TPSF12CX-MATHCAD , TPSF12CX-DESIGN-CALC Tool/software: Hi team, What is difference between "TPSF12CX-MATHCAD " and "TPSF12CX-DESIGN-CALC"? In which case do you recommend using which design files…
    • Answered

  • LM5156: Help Required with Isolated Multi-Output dc dc Flyback Converter Excel Design Tool

    Resolved
    Part Number: LM5156 Tool/software: Hi Team, I am designing an isolated multi-output dc-dc flyback converter with the following specifications: 1) Input Voltage range - 15V to 30V (24V nominal value) 2) Secondary Winding 1 (Load 1) - 24V with 1A…
    • Resolved

  • UCC28881: Isolated flyback design - troubles with output power - following

    TI Thinks Resolved
    Part Number: UCC28881 Tool/software: Hello, lets continue with closed topic: UCC28881: Isolated flyback design - troubles with output power. Sorry for my delay caused by my injury. I have tried 760301306 Wuerth transformer, which has a 1.8mH and circuit…
    • Answered

  • LM5069QUICK-CALC: LM5069 Design Calculator with FET Recommendation

    Resolved
    Part Number: LM5069QUICK-CALC Other Parts Discussed in Thread: LM5069 Dear team, I'm using the LM5069 Design Calculator with FET Recommendation for SOA calculation However Some of the green cells in the calculator is invalid. 1. can't set the…
    • Resolved

  • UCC28881: Isolated flyback design - troubles with output power

    Part Number: UCC28881 Tool/software: Dear support I'm testing my design of UCC28881 flyback voltage source. It works in case of lower input voltage cca up to 90VAC. Once it is barely reaching the requested output parameters (cca 24VDC / 0.15A), it is…

  • LM5155-Q1: PSR flyback design calculation

    TI Thinks Resolved
    Part Number: LM5155-Q1 Other Parts Discussed in Thread: LM5155 , LM5157 Tool/software: Dears: customer want to use LM5155 do PSR flyback , they need TI help provide PSR design calculation then they can design it step by step . I noticed that we have…

  • PMP40467: PMP40467 Flyback Reference Design

    TI Thinks Resolved
    Part Number: PMP40467 Tool/software: Dear TI Support, I see this reference design PMP40467 suitable with our project. I'm looking forward the transformer parameter using in this reference, but i can't find it in all documents have mentioned on website…

  • LM51551: Utilized TI's Designer for ISOLATED FLYBACK configuration. It didn't work. I tried several modifications without success.

    Part Number: LM51551 Tool/software: I used TI's online Designer for the ISOLATED FLYBACK configuration. I wanted to use an off-the-shelf transformer with turns ratio of 1.2 : 2 : 1 (NP:NS:Naux) (10uH primary) I used the Power Stage Designer tool…

  • PMP41031: Technical Inquiry Regarding UCC28740 Application in Flyback Converter Design (300-1500V Vin, 24V Vout, 500W)

    Part Number: PMP41031 Other Parts Discussed in Thread: UCC28740 , Tool/software: Dear TI Engineers, I'm currently designing a flyback converter using the UCC28740 controller, referencing the PMP41031 design, with the following specifications: …

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