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  • UCC2897A: Application to three phase power supply

    TI Thinks Resolved
    Part Number: UCC2897A Other Parts Discussed in Thread: UCC2894 Hellow , I would like to design a offline power supply using forward converter topology. The specifications are as follows Input voltage: 280V to 330V Output voltage: 100V Power…

  • UCC27517: Schematic Review

    TI Thinks Resolved
    Part Number: UCC27517 Hi Team There is a good new that we DIN UCC27517 ! Please help confirm the SCH is ok? THX Spec : Vin=90~264Vac / Vo=54V / Io=15A 6864.CHARGERD3.pdf
    • Answered

  • TIDA-00779: Snubber for Diode

    Resolved
    Part Number: TIDA-00779 Hello, In the Schematic we see that resistor selected is of 300kOhm for snubber but when we search part mentioned in BOM it shows 43.2 Ohm. Please suggest what value should be used and relevant footprint. Please see the attached…
    • Resolved
    • Answered

  • TIDA-00779: Two sets of Bleed Resistor

    Resolved
    Part Number: TIDA-00779 Hello, I see there are two sets of bleed resistor in the design guide. One on the input side, one on the output side. Why is that? Why can't one set of bleed resistor be sufficient? Why is the input side resistor value so small…
    • Resolved
    • Answered

  • TIDA-00779: Current Limit Resistor Bypass Circuit Equation for 0.2s calculation and other Queries

    Resolved
    Part Number: TIDA-00779 Other Parts Discussed in Thread: UCC28180EVM-573 Hi TI Expert, Can you let us know how you calculated these 0.2s switch delays using which RC Values in the Design ? Also, what is the importance of having 2 signal PFC ON and a rectifier…
    • Resolved

  • TIDA-00779: TIDA-00779 Inrush Protection Circuit Reference Design Circuit for PFC 3.3kW.

    TI Thinks Resolved
    Part Number: TIDA-00779 Dear TI Expert, Please let me know the purpose of the D9 Diode in Series. Also, if we provide the PFC ON the initial, then this Inrush-Limiting circuit won't generate a delay, right? Also, 1K (R39), 47.5k (R31), and D10 are used…
    • Answered

  • UCC28180EVM-573: Is there a gerber file for this EVM board????

    Resolved
    Part Number: UCC28180EVM-573 I want to buy this EVM board, but can I get a gerber file with this module for further application??
    • Resolved
    • Answered

  • TIDA-00779: Magnetic component details

    Resolved
    Part Number: TIDA-00779 Hi, The magnetic components used in the design are from QingDao YunLu Energy Technology CO.,LTD. We wish to procure few samples of all three magnetics used on board. Please provide the contact details of the vendor as these…
    • Resolved

  • UCC28910: Request for Schematic Review – 25.2V, 20A Charger Design (Based on UCC28910 and PMP41106)

    TI Thinks Resolved
    Part Number: UCC28910 Other Parts Discussed in Thread: PMP41106 , Tool/software: I'm developing a 25.2V, 20A charger using the PMP41106 reference design. The design includes a PFC, LLC, and flyback stage. I have developed a schematic and PCB, and I would…

  • RE: PMP41106: Request for Schematic Review – 25.2V, 20A Charger Design (Based on PMP41106)

    Hi, I check the calculation sheet, and modify some points, it doesn't have the red highlight issue now. Pls see my comments attached. UCC25660x_LLC_25.2V_20A.xlsx review comments.docx

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