• UCC28070: UCC28070 Sync Function and Rdmx Resistor

  

  Andrew Fendrich

  Part Number: UCC28070 Hello, I'm attempting operation using a sync pulse to lock operation between multiple converters. I'm generating a 400kHz pulse with a 1us on time (40% duty cycle) to achieve a 200kHz Fpwm. My converter successfully operates…

  • 25 days ago
  • Power management
  • Power management forum

• UCC28070: UCC28070 VSENSE pin absolute maximum rating (7 V)

  

  Conor

  Part Number: UCC28070 Hi, Regarding UCC28070, the VSENSE pin absolute maximum rating is specified as 7 V. Could you please advise: - Is there any additional robustness or margin information beyond the 7 V abs max rating? - Does the VSENSE pin have any…

  • 1 month ago
  • Power management
  • Power management forum

• UCC28070: UCC28070 OVP triggered during power stage transition (LLC to Inverter)

  

  user4891990

  Part Number: UCC28070 Description: I am designing a 3kW power system: UCC28070 (PFC) -> LLC -> DC/AC Inverter . Issue: The UCC28070 triggers its internal Over Voltage Protection (OVP) at 1.06x when the downstream Inverter operates at output frequencies…

  • 1 month ago
  • Power management
  • Power management forum

• UCC28070: Feasibility of 3-channel interleaved boost converter using UCC28070 with 120-degree phase shift via TL594

  

  shibano satonori

  TI Thinks Resolved

  Part Number: UCC28070 Other Parts Discussed in Thread: TL594 I am exploring a system configuration for a 3-channel interleaved boost converter with a DC input. My plan is to use UCC28070 controllers and synchronize them using a TL594 to achieve a 120…

  • 4 days ago
  • Logic
  • Logic forum

• UCC28070: Could you pls help review the Sch for UCC28070?Thanks.

  

  Jon WANG

  Part Number: UCC28070 Dears, My customer want to use UCC28070 for 2.6KW PFC project,could you pls help review the sch? Thanks. Input:190-264VAC output:400V/6.5A Switching Frequency:100Khz

  • 3 months ago
  • Power management
  • Power management forum

• UCC28070: UCC28070 operation question

  

  Ann_Lien

  TI Thinks Resolved

  Part Number: UCC28070 Other Parts Discussed in Thread: UCC28064A , , UCC28064 Tool/software: Hello expert, Could UCC28070(CCM) and UCC28064A(CrM) externally apply High VDC input (100Vdc-300Vdc) then Boost to Bulk cap. for working normally? Its VINAC…

  • 6 months ago
  • Power management
  • Power management forum

• UCC28070: UCC28070 load regulation issues

  

  ROBERTO VOLPINI

  Part Number: UCC28070 Tool/software: Hi Ulrich, I hope this message find you well. I need your help regarding to the design of 2kW PFC based on UCC28070. The problem regards the Vout regulation during transient load. The voltage input specifications…

  • 6 months ago
  • Power management
  • Power management forum

• UCC28070: UCC28070 Input current distortion

  

  Gord Snow

  Part Number: UCC28070 Tool/software: Hello, I am working on 500W PFC design using the UCC28070EVM. I recalculated component values using the Set-up Tool SLUC114 Rev 2.0 and applied these changes to the EVM. The boost inductors are MnZn (example Wurth…

  • 7 months ago
  • Power management
  • Power management forum

• UCC28070: UCC28070 PSIM

  

  Mehmet Tugberk Türkoglu

  Part Number: UCC28070 Tool/software: Hi, I want to simulate interleaved boost pfc on the PSIM with the UCC28070, but I can't get any boost. The input voltage is transferred to the output as is. PWM is always 0. What should I do? I'm attaching the…

  • 8 months ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum

• UCC28070: UCC28070 PSIM

  

  Mehmet Tugberk Türkoglu

  TI Thinks Resolved

  Part Number: UCC28070 Other Parts Discussed in Thread: TINA-TI Tool/software: Hi, I want to simulate interleaved boost pfc on the PSIM with the UCC28070, but I can't get any boost. The input voltage is transferred to the output as is. PWM is always…

  • 8 months ago
  • Power management
  • Power management forum

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