SNOU215 January   2025

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1System Description
    1. 1.1 System Block Diagram
    2. 1.2 Kit Contents
    3. 1.3 Voltage and Current Requirements
    4. 1.4 Design Consideration
      1. 1.4.1 Boost Inductor Design
      2. 1.4.2 High Frequency Power Switch Selection
      3. 1.4.3 Input AC Voltage Sensing
      4. 1.4.4 Bulk Voltage Sensing
      5. 1.4.5 Input Current Sensing
      6. 1.4.6 Baby Boost Design
      7. 1.4.7 Relay
      8. 1.4.8 Protection
        1. 1.4.8.1 Over Voltage Protection
        2. 1.4.8.2 Over Current Protection
  7. 2Software
    1. 2.1 Quickstart guide
    2. 2.2 Download Firmware
  8. 3Power Up
    1. 3.1 Required Equipment
    2. 3.2 Considerations
    3. 3.3 Start-Up Sequence
  9. 4Implementation Results
    1. 4.1 Start-Up Waveform
    2. 4.2 THD Performance
    3. 4.3 Power Factor
    4. 4.4 Efficiency Graph
    5. 4.5 E-meter Performance
    6. 4.6 Load Transients
    7. 4.7 Input Current Waveforms
    8. 4.8 AC Drop Test
    9. 4.9 Thermal Images
  10. 5Hardware Design Files
    1. 5.1 Design Files
  11. 6Related Documentation
    1. 6.1 Supplemental Content
  12. 7External Reference

Efficiency Graph

Conditions

  • Switching Frequency: 65kHz
  • GaN Slew Rate: 100V/ns
  • Output: 385V
  • Power analyzer: WT5000
  • Relay and BB bypass FETs shorted
  • Auxiliary supply not included
PFC23338EVM-107 Efficiency GraphFigure 4-7 Efficiency Graph