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  • UCC28070EVM: Voltage Gain during Low Voltage

    TI Thinks Resolved
    Part Number: UCC28070EVM Dear Sir, Hope you are doing well. I have a confusion about PFC Boost Converter. In PFC, We have Semi-sinusoidal input waveform coming from bridge rectifier. This input is fed to interleaved boost PFC. For Semi-sinusoidal input…

  • UCC28070EVM: Why 200 KHz switching frequency was selected in UCC28070EVM for Just 300W?

    TI Thinks Resolved
    Part Number: UCC28070EVM Other Parts Discussed in Thread: UCC28070 I was studying about the evaluation board UCC28070EVM. I found that you are using 200KHz for just 300 W. Can you explain me the reason to do that? It will be great if you explain in detail…

  • UCC28070EVM: UCC28070EVM

    TI Thinks Resolved
    Part Number: UCC28070EVM Other Parts Discussed in Thread: UCC28070 Hi All. What does IRIPA, IRIPB and F_KHZ pin in UCC28070 Transient model represent?
    • Answered

  • UCC28070EVM: Using with UCC25640EVM-020

    Resolved
    Part Number: UCC28070EVM Other Parts Discussed in Thread: UCC28064EVM-004 , UCC25640EVM-020 , UCC28056EVM-296 , UCC25640 , UCC28070 , UCC28064 , UCC28056 Hello, Can I hook up the UCC28070EVMas a PFC Boost front end to the UCC25640EVM-020? The UCC25640EVM-020 manual…
    • Resolved

  • UCC28070EVM: About UCC28070EVM test report.

    Part Number: UCC28070EVM Hi team, May I ask if UCC28070EVM has ever done a dynamic load test? 4Hz transient test. thanks!

  • UCC28070EVM: Ramp circuit implementation

    TI Thinks Resolved
    Part Number: UCC28070EVM Other Parts Discussed in Thread: UCC28070A , UCC27324 Hi Team, We would like to ask your help regarding our customer's inquiry below. Would you agree, the App Note sluu312b (below) contains a sub-circuit that is wrong?....it…

  • UCC28070EVM: UCC28070

    TI Thinks Resolved
    Part Number: UCC28070EVM Other Parts Discussed in Thread: UCC28070 Hello, We require theortical calculation method for 3KW UCC28070 EVM. Kindly support in this regard

  • UCC28070A: Inductor Current Problem

    Part Number: UCC28070A Other Parts Discussed in Thread: UCC28070 , UCC28070EVM , UCC28180 Tool/software: Hi team, I am doing a boost PFC converter, the input voltage is 90-200Vac, output voltage is 300V ,the output power is 100W. The switching frequency…

  • UCC28070EVM: PID control parameters for Power Factor Correction (HVPFC2PHIL , UserGuide-ILPFC-PowerSUITE.pdf)

    TI Thinks Resolved
    Part Number: UCC28070EVM Other Parts Discussed in Thread: UCC28070 In design reference document (HVPFC2PHIL.pdf) The PID parameters Kp Ki Kd to b0, b1,b2 is as below. In standard PID, b1 = -Kp -2Kd . My question: why there is Ki in equation b1 = -Kp …
    • Answered

  • UCC28070EVM: Test loop current gain and phase

    Resolved
    Part Number: UCC28070EVM Other Parts Discussed in Thread: UCC28070 HI sir I test Figure 6. Current Loop Gain (TdB (f)) and Figure 7. Current Loop Phase (qc (f)) in SLUA479A The Schematic(page 2) in SLUA479A I actually tested it and have some question ,…
    • Resolved

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