TIDUEZ3B april   2021  – april 2023

 

  1.   Description
  2.   Resources
  3.   Features
  4.   Applications
  5.   5
  6. 1System Description
  7. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
    3. 2.3 Highlighted Products
      1. 2.3.1 LMG342xR030
      2. 2.3.2 TMS320F28002x
      3. 2.3.3 OPA607
      4. 2.3.4 UCC21222
  8. 3Hardware, Testing Requirements, and Test Results
    1. 3.1 Hardware Requirements
    2. 3.2 Test Setup
    3. 3.3 Test Results
      1. 3.3.1 Test Procedures
      2. 3.3.2 Performance Data: Efficiency, iTHD, and Power Factor
      3. 3.3.3 Functional Waveforms
        1. 3.3.3.1 Current Sensing and Protection
        2. 3.3.3.2 Power Stage Start-Up and Input Waveforms
        3. 3.3.3.3 AC Drop Test
        4. 3.3.3.4 Surge Test
        5. 3.3.3.5 EMI Test
      4. 3.3.4 Thermal Test
      5. 3.3.5 GaN FET Switching Waveform
  9. 4Design and Documentation Support
    1. 4.1 Design Files
      1. 4.1.1 Schematics
      2. 4.1.2 BOM
    2. 4.2 Documentation Support
    3. 4.3 Support Resources
    4. 4.4 Trademarks
  10. 5About the Author
  11. 6Revision History

3.3.3.3 AC Drop Test

In this design, the power stage was tested acting under AC 45°C drop with 2.8-kW load conditions. The test results show that control logic is not disturbed by AC distortion. The results are illustrated in the waveform in Figure 3-13.


GUID-20210309-CA0I-D9TB-B3ZQ-DRLFFJGWJB6N-low.png

Figure 3-13 AC Drop Test