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  • UCC25600: LLC MOSFET burst at light loads

    Part Number: UCC25600 Tool/software: Hello Team, I'm designing a Half Bridge LLC converter Specifications :- Input voltage = 665Vdc Output Voltage = 55Vdc Pout = 150W Considering :- Q = 0.5 Lm/Lr = 5 Fsw = 100kHz Calculated values…

  • UCC25600: Configure Output Voltage

    Part Number: UCC25600 Tool/software: Hello Team, I'm using UCC25600 for LLC HB converter with 'CC' and 'CV' feedback. The feedback loop works well when the reference values to the compensating network are set via fixed ressitors, but when I try to…

  • UCC25600: LLC half bridge resonant converter

    TI Thinks Resolved
    Part Number: UCC25600 Other Parts Discussed in Thread: UCC25640 , UCC28180 Tool/software: Hello, We are working on LLC half/full bridge resonant converter for one of application, Where, Output Voltage is 21KV/ 200W Input Voltage is 230VAC. We…
    • Answered

  • UCC25600: UCC25600 as LLC controller where resonant elements are in the secondary side

    Resolved
    Part Number: UCC25600 Hello, I want to design a LLC converter which will step up the voltage. Due to high currents circulating in the primary side I want to carry LLC resonant part to secondary side which will be high voltage low current so I can…
    • Resolved

  • UCC25600: Full bridge LLC Design 60VDC @ 25A

    TI Thinks Resolved
    Part Number: UCC25600 Other Parts Discussed in Thread: UCD3138 , UCC28950 Tool/software: I am to start working on a dc dc converter, following are my requirements. Vin; 26V, Range:20-32V Vout: 60V, 25A, 1500W, Isolated, conduction cooling, fan-less…

  • UCC25600: circuit of CT for the Overcurrent protection pin

    TI Thinks Resolved
    Part Number: UCC25600 Other Parts Discussed in Thread: UCC25660 Tool/software: Hi all, i'd like to be checked the circuit. I was asking the question in the thread below. (+) UCC25660: ISNS has an indefinite value when turned on - Power management…
    • Answered

  • UCC25600: High voltage start up suggestion

    Resolved
    Part Number: UCC25600 Tool/software: Hi everyone, I'm try to use UCC25600 to control half bridge LLC converter, but I don't have another external voltage to wake up the UCC25600. So I need use input DC voltage to wake up the UCC25600, and then auxiliary…
    • Resolved

  • UCC25600: Issue with Light loads

    TI Thinks Resolved
    Part Number: UCC25600 Tool/software: Dear Team, I'm design a HB- LLC converter with UCC25600, with Input as 665VDC from PFC and the output of the LLC is 30VDC and 8A. I have selected the Lm=612uH, Lr=120uH and Cr=16.5nF. I have tested the circuit…
    • Answered

  • UCC25600: Similar Device Functionality

    Resolved
    Part Number: UCC25600 Other Parts Discussed in Thread: UCC25660 Tool/software: I am designing a resonant LLC converter. I plan to operate this converter at a constant 1.4MHz, and the UCC25600 is almost logically what I need. I need to be able to pin-program…
    • Resolved

  • UCC25600: confusion in Datasheet typical application schematic

    TI Thinks Resolved
    Part Number: UCC25600 Tool/software: Hi Team, My customer was confused by the typical application circuit vs the reference design schematic. Can you maybe change the datasheet here. and I discussed it with the Power Design Team and got the…

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