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Showing 215 results View by: Thread Post Sort by
  • UCC28070A: UCC28070A Avionics application

    LAPORTE JEAN-YVES
    LAPORTE JEAN-YVES
    TI Thinks Resolved
    Part Number: UCC28070A Hello, I would like to know if the UCC28070A can accept both 50Hz and 400Hz on its input. Can you tell me which part in particular will be impacted? I hope only the control loop but I prefer confirmation by experts. Our client…
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC28070A: what modification should be taken when transferring from ucc28070 to UCC28070A?

    Marsh Cai
    Marsh Cai
    Resolved
    Part Number: UCC28070A Other Parts Discussed in Thread: UCC28070 , Hi teams, Due to the supply issue, we introduced ucc28070a to CTM to replace ucc28070. The main difference we noticed is the frequency range. Therefore, What modification should…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • UCC28070A: PFC controller that operates at 100kMz~300kMz

    Conor
    Conor
    TI Thinks Resolved
    Part Number: UCC28070A Other Parts Discussed in Thread: UCC28070 Hi, I am considering TI's PFC controller as a replacement for the ICE2PCS05G. https://www.infineon.com/dgdl/Infineon-ICE2PCS05-DataSheet-v01_02-EN.pdf?fileId=db3a30431c69a49d011cdfb46a834373…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UCC28070A: UCC28070A and Rsyn calculation

    LAPORTE JEAN-YVES
    LAPORTE JEAN-YVES
    Resolved
    Part Number: UCC28070A Other Parts Discussed in Thread: UCC28070 Hello, I would like a confirmation on the exact calculation of Rsyn because I see that there are 2 ways to calculate it. In the datasheet it says: And in the application note SLUA479B…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • UCC28070A: Unusual Current-sense signal slope (and inductors that are too hot)

    Jonathan Ramb
    Jonathan Ramb
    TI Thinks Resolved
    Part Number: UCC28070A Hello, The project we're working on is a Power Factor Corrector, PFC board for a customer that uses them to power ozone-reactors for industrial washing machines. More specifically, it is an interleaved boost PFC where the logic…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UCC28070A: Using UCC28070A without current synthesis?

    Andrew Massey
    Andrew Massey
    Resolved
    Part Number: UCC28070A Hi, Can i simply use the UCC28070A without any current sense synthesization...ie just disable it?...i appreciate the power factor wont be as good, but will it still give an output which is correct (vout)?
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • UCC28070A: Efficiency problem

    Ilia Hadzhiev
    Ilia Hadzhiev
    TI Thinks Resolved
    Part Number: UCC28070A Other Parts Discussed in Thread: UCC28180 , UCC28070 Hello, I have designed PFC based on those requirements: 750W output 85-265VAC input 390V output I am facing problem with the efficiency the efficiency is 95% up to 600W output…
    • over 1 year ago
    • Power management
    • Power management forum
  • UCC28070A: Programmable Peak Current Limit Threshold

    Shinichi Yokota
    Shinichi Yokota
    TI Thinks Resolved
    Part Number: UCC28070A Hello, UCC28070A's programmable peak current limit function (PKLMT) uses a signal voltage at CSA/CSB pins. Therefore, an output current when the peak current limit occurs may differ depending on the input voltage since a peak…
    • over 2 years ago
    • Power management
    • Power management forum
  • UCC28070A: One phase inductor current making problem

    Aaqib  Sheikh
    Aaqib Sheikh
    TI Thinks Resolved
    Part Number: UCC28070A Other Parts Discussed in Thread: UCC28070 , Dear Sir, I have designed the 1 KW Interleaved Boost PFC Converter using UCC28070. I am attaching the schematic of the design. I am facing the problem while running it. I am not been able…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UCC28070A: 1 KW Design for UCC28070

    Aaqib  Sheikh
    Aaqib Sheikh
    Resolved
    Part Number: UCC28070A Other Parts Discussed in Thread: UCC28070 Dear Sir, I am attaching the schematic and UCC28070 design file. Kindly please verify my calcula Mathcad - UCC28070 Design Tool .pdf tions for 1 KW design. Please let me know, if any changes…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
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