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Showing 13 results View by: Thread Post Sort by
  • PMP40261 bridgeless PFC is work in interleave condition?

    Jimmy WANG
    Jimmy WANG
    TI Thinks Resolved
    Other Parts Discussed in Thread: PMP40261 , UCC28070 Hi team, I want to know PMP40261 bridgeless PFC use UCC28070, it's work in interleave condition?
    • over 2 years ago
    • Power management
    • Power management forum
  • RE: UCC28070A: Does TI have 2.5KW or up reference design?

    Ray DiCecco
    Ray DiCecco
    Hi Jimmy, Unfortunately, TI currently does not have a reference design for the UCC28070x above 800W. There is an 800W design for the UCC28070: www.ti.com/.../PMP40261 . (Note that the A and non-A versions of this product are essentially the same. The difference…
    • 3 months ago
    • Power management
    • Power management forum
  • Answered
  • RE: Single stage AC DC bridgeless PFC for higher efficiency

    Ray DiCecco
    Ray DiCecco
    Resolved
    Hi Selvam, Unfortunately, we do not have an EVM with and isolated bridgeless PFC. This is a reference design for a bridgeless PFC, but it is non-isolated: https://www.ti.com/tool/PMP40261 The following app note describes how to use our UCC28070 PFC controller…
    • 6 months ago
    • Power management
    • Power management forum
  • RE: TIDA-00779: Increase power rating depand on TIDA-00779

    Hely Zhang
    Hely Zhang
    Hi, Jimmy Traditional boost PFC are suggested to be under 4kW with >180VAC input voltage, if the input voltage is even lower or the power rating >4kW, suggest to design with interleaved boost PFC topology, to reduce the current stress and power loss…
    • 11 months ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • Answered
  • RE: UCC28070: Questions about inductor selection in bridgeless configurations

    David Huang33
    David Huang33
    Resolved
    Hi Kaji, since each PFC inductor need to cover full load at one half main line cycle, so the peak current through each inductor is almost two times compare to interleaved PFC mode. For the peak current requirement, you need a bigger size for PFC inductor…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • RE: PMP4311: THD at 264VAC and low load

    Yunsheng Qu
    Yunsheng Qu
    Resolved
    Hi, Juliaa PMP4311 is very old reference design, there is no such data you required. There is another 800W reference design PMP40261, there are ITHD data for different input voltage and output load. here is link of PMP40261. BTW, PMP40261 is bridgeless…
    • over 1 year ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • Answered
  • RE: UCC28070: About capacitors for high frequency noise countermeasures when semi-bridgeless

    David Huang33
    David Huang33
    Resolved
    Hello user, thanks for your interest in UCC28070, you need more Xcap and input filter circuit for bridgeless PFC. below is a link for an reference design about this application. https://www.ti.com/tool/PMP40261
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • RE: PMP4311: PMP4311

    Yunsheng Qu
    Yunsheng Qu
    Resolved
    Hi, Ayush There is reference design PMP40261 for UCC28070, the schematic and layout is based on Altium designer. You can download design files in below link. https://www.ti.com/tool/PMP40261#technicaldocuments BR, Yunsheng
    • over 2 years ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • RE: UCC28070A: UCC28070A

    David Huang33
    David Huang33
    Hi user4537791, if you look at Vinac and AC voltage, there is a very high spike during the current distortion, please double confirm why there is a spike here. unfortunately I can see clearly the schematic after zoom in. in the datasheet page 21 at paragraph…
    • over 2 years ago
    • Power management
    • Power management forum
  • RE: Bridgeless PFC Reference Design From TI

    John Griffin1
    John Griffin1
    Hello Aneesh, PMP40261 is an 800W reference design available which uses the UCC28070 controller https://www.ti.com/tool/PMP40261 There is no 2kW bridgeless reference design available. Regards John
    • over 2 years ago
    • Power management
    • Power management forum
>

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