SLUUD60 October   2024 UCG28826

 

  1.   1
  2.   Description
    1.     Get Started
  3.   Features
  4.   Applications
  5. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
    5. 1.5 General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines
  6. 2Hardware
    1. 2.1 Additional Images
      1. 2.1.1 Using the EVM on a Load with USB-C PD Communication
      2. 2.1.2 Using the EVM on a Load Without USB-C PD Communication
  7. 3Implementation Results
    1. 3.1 Electrical Performance Specifications
    2. 3.2 Test Setup
      1. 3.2.1 Test Setup Requirements
      2. 3.2.2 Test Setup Diagram
      3. 3.2.3 Test Points
    3. 3.3 Performance Data and Typical Characteristic Curves
      1. 3.3.1  Efficiency Result of 4-Point Average on 20VOUT
      2. 3.3.2  Efficiency Result of 4-Point Average at 15VOUT
      3. 3.3.3  Efficiency Result of 4-Point Average at 9VOUT
      4. 3.3.4  Efficiency Result of 4-Point Average at 5VOUT
      5. 3.3.5  Efficiency Typical Results
      6. 3.3.6  Output Characteristics
      7. 3.3.7  Key Switching Waveforms
      8. 3.3.8  Switching Frequency vs Load
      9. 3.3.9  Output Ripple Voltage
      10. 3.3.10 Load Transient Response
      11. 3.3.11 Line transient Response
      12. 3.3.12 Surge Test
      13. 3.3.13 Short Term Overload Operation
      14. 3.3.14 CCM operation
      15. 3.3.15 EN55022 Class B Conducted EMI Test Result
      16. 3.3.16 Thermal Images at Full Load (20 V and 3.25 A)
  8. 4Hardware Design Files
    1. 4.1 Schematics
    2. 4.2 PCB Layouts
    3. 4.3 Transformer Details
      1. 4.3.1 RLTI-1464 (RENCO)
      2. 4.3.2 750847341Rev02 (WURTH)
      3. 4.3.3 TSD-5191 (Premier Magnetics)
      4. 4.3.4 Transformer Summary
    4. 4.4 Bill of Materials
  9. 5Appendix - Efficiency
    1. 5.1 Efficiency Result of 4-Point Average on 20VOUT
    2. 5.2 Efficiency Result of 4-Point Average on 15VOUT
    3. 5.3 Efficiency Result of 4-Point Average on 9VOUT
    4. 5.4 Efficiency Result of 4-Point Average on 5VOUT
    5. 5.5 Efficiency Typical Results
  10. 6Additional Information
    1.     Trademarks

3.3.4 Efficiency Result of 4-Point Average at 5VOUT

VIN (VRMS)

PIN (W)

VOUT (V)

IOUT (A)

POUT (W)

P_EMULATOR (W)

Pout %

EFFICIENCY

4-PT AVERAGE EFFICIENCY

89.99

16.63

5.09

2.994

15.242

0.048

100%

91.94%

92.26%

90

12.38

5.05

2.254

11.382

0.049

75%

92.33%

90

8.223

5.01

1.51

7.5643

0.049

50%

92.58%

90.02

4.151

4.99

0.757

3.7775

0.049

25%

92.17%

90.03

1.723

4.97

0.306

1.5192

0.049

10%

90.99%

115

16.55

5.09

2.995

15.243

0.048

100%

92.39%

92.28%

115

12.349

5.05

2.256

11.395

0.048

75%

92.66%

115.01

8.251

5.01

1.51

7.5648

0.048

50%

92.26%

115.01

4.167

4.99

0.757

3.7773

0.048

25%

91.18%

115.03

1.731

4.97

0.306

1.5204

0.048

10%

90.6%

230.04

16.77

5.08

2.994

15.242

0.049

100%

91.18%

89.23%

230.05

12.72

5.04

2.256

11.395

0.049

75%

89.97%

230.06

8.62

5.01

1.512

7.5737

0.048

50%

88.42%

230.06

4.381

4.99

0.757

3.7791

0.048

25%

87.35%

230.08

1.811

4.97

0.306

1.5205

0.049

10%

86.64%

264.04

16.96

5.08

2.998

15.258

0.048

100%

90.25%

87.82%

264.05

12.91

5.03

2.257

11.397

0.049

75%

88.66%

264.07

8.79

5.01

1.51

7.5673

0.048

50%

86.64%

264.07

4.462

4.99

0.757

3.777

0.048

25%

85.72%

264.09

1.842

4.97

0.306

1.5192

0.048

10%

85.08%

CoC Tier 2, 4-pt average

81.8%

CoC Tier 2, 10%-load

72.5%

Note:

Please refer "Section 6" section for more efficiency results with a different power analyzer. This was done as the above readings showed some slight offset in the measured input current and hence low line efficiency numbers are marginally low.