TIDT367 December   2023

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Test Setup
      1. 1.3.1 Hardware Setup
      2. 1.3.2 Software Setup
    4. 1.4 Running the Code for Different Labs
      1. 1.4.1 Lab 1. Primary to Secondary Power Flow, Open Loop Check PWM Driver
      2. 1.4.2 Lab 2. Primary to Secondary Power Flow, Open Loop CheckPWM Driver and ADC With Protection
      3. 1.4.3 Lab 3. Primary to Secondary Power Flow, Closed Voltage Loop Check
      4. 1.4.4 Lab 4. Primary to Secondary Power Flow, Closed Current Loop Check
      5. 1.4.5 Lab 6. Secondary to Primary Power Flow, Open Loop Check PWM Driver
      6. 1.4.6 Lab 7. Secondary to Primary Power Flow, Open Loop Check PWM Driver and ADC With Protection
      7. 1.4.7 Lab 8. Secondary to Primary Power Flow, Closed Voltage Loop Check
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Load Transients
    3. 3.3 Start-Up Sequence
    4. 3.4 Dynamic Response
    5. 3.5 Mode Transition

Efficiency Data

Efficiency data is shown in the following tables.

Table 2-1 Open-Loop Efficiency Data in Charging Mode
VIN (V) IIN (A) VOUT (V) IOUT (A) PIN (W) POUT (W) Efficiency (%)

399.17

0.639

46.96

4.976

255.07

233.673

91.61

398.93

1.222

46.84

9.955

487.492

466.292

95.651

398.75

1.791

46.21

14.935

714.161

690.146

96.637

398.72

2.366

46.14

19.904

943.372

918.371

97.35

398.45

2.946

46.03

24.885

1173.83

1145.46

97.583

398.33

3.525

45.94

29.865

1404.11

1372

97.713

398.13

4.104

45.85

34.847

1633.93

1597.73

97.785

398.11

4.682

45.79

39.823

1863.95

1823.5

97.83

399.33

5.284

45.86

44.966

2110.06

2026.14

97.729

399.31

5.865

45.78

49.964

2341.95

2287.35

97.669

399.26

6.446

45.7

54.967

2573.63

2511.99

97.605

399.23

7.028

45.62

59.964

2805.79

2735.56

97.497

399.18

7.607

45.52

64.97

3036.56

2957.43

97.394

399.06

8.189

45.44

69.98

3267.9

3179.89

97.307

399.05

8.768

45.32

74.97

3498.87

3397.64

97.107

Table 2-2 Close-Loop Efficiency Data in Charging Mode
VIN (V) IIN (A) VOUT (V) IOUT (A) PIN (W) POUT (W) Efficiency (%)

399.05

0.642

47.08

4.971

256.19

234.035

91.35

398.93

1.233

47.08

9.951

491.881

468.493

95.245

398.76

1.827

47.08

14.931

728.535

702.951

96.488

398.6

2.423

47.08

19.901

965.808

936.939

97.011

398.42

3.02

47.08

24.885

1203.23

1171.59

97.37

398.24

3.619

47.08

29.862

1441.23

1405.9

97.549

398.13

4.22

47.07

34.841

1680.11

1639.97

97.611

398

4.824

47.07

39.822

1919.95

1874.42

97.629

399.23

5.425

47.04

44.953

2165.82

2114.59

97.634

399.18

6.032

47.04

49.954

2407.85

2349.84

97.59

399.13

6.641

47.04

54.96

2650.62

2585.32

97.536

399.08

7.255

47.04

59.963

2895.33

2820.66

97.421

399.04

7.868

47.04

64.965

3139.65

3055.95

97.334

399.08

8.461

46.91

69.98

3376.62

3282.76

97.22

398.99

9.328

46.91

76.97

3721.78

3610.66

97.014

Table 2-3 Open-Loop Efficiency Data in Discharging Mode
VIN (V) IIN (A) VOUT (V) IOUT (A) PIN (W) POUT (W) Efficiency (%)

45.98

5.44

401.6

0.498

250.131

199.997

79.96

45.98

9.56

392.57

0.998

439.569

391.785

89.13

45.97

13.4

376.35

1.498

615.998

563.772

91.52

45.97

17.45

373.94

1.998

802.177

747.132

93.14

46.96

21.61

381.51

2.498

1014.81

953.012

93.91

46.96

25.71

380.17

2.998

1207.34

1139.75

94.4

46.96

29.72

378.3

3.498

1395.65

1323.29

94.82

45.95

33.82

377.06

3.998

1587.85

1507.49

94.94

45.95

37.91

376.02

4.498

1779.87

1691.34

95.03

45.94

42.01

375.22

4.998

1971.95

1875.35

95.1

45.94

46.12

374.22

5.498

2164.87

2057.46

95.04

45.94

50.24

373.25

5.998

2358.27

2238.75

94.93

47.93

54.35

372.26

6.498

2550.65

2418.95

94.84

47.93

58.5

379.75

6.99

2803.91

2654.45

94.67

47.92

62.62

378.54

7.499

3000.75

2838.67

94.6