TIDT349A January   2024  – December 2024

 

  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 Considerations
    4. 1.4 Dimensions
    5. 1.5 Test Setup
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
  7. 3Waveforms
    1. 3.1 Charge Mode Start-Up Waveform
    2. 3.2 OTG Mode Start-Up Waveform
    3. 3.3 Voltage Transition at OTG Mode
    4. 3.4 Ripple and Noise at OTG Mode
    5. 3.5 Load Transients at OTG Mode
    6. 3.6 Switching Waveform
    7. 3.7 Overcurrent Protection at OTG Mode
    8. 3.8 Short-Circuit Protection at OTG Mode
    9. 3.9 Short-Circuit Protection at Charge Mode
  8. 4Trademarks

2.2 Efficiency Data

Efficiency data is shown in the following tables.

Table 2-1 Charge Mode Efficiency Data
Vsys (V) Iin (A) Pin (W) Vbat (V) Ichg (A) Pout (W) Efficiency Power Loss (W)
4.62

2.994

13.83

40.41

0.297

11.99

86.68%

1.84

8.83

2.969

26.22

40.52

0.598

24.23

92.43%

1.99

14.92

2.967

44.27

40.62

1.031

41.88

94.60%

2.39

19.04

4.92

93.68

40.87

2.203

90.04

96.11%

3.64

4.62

2.99

13.81

24.47

0.509

12.46

90.17%

1.36

8.85

2.969

26.28

24.6

1.006

24.75

94.18%

1.53

14.93

2.967

44.30

24.76

1.722

42.64

96.25%

1.66

19.24

3.952

76.04

24.99

2.942

73.52

96.69%

2.52

4.61

3.028

13.96

14.58

0.882

12.86

92.12%

1.10

8.85

3.002

26.57

14.77

1.71

25.26

95.07%

1.31

14.93

3.001

44.80

14.96

2.886

43.17

96.36%

1.63

19.52

2.352

45.91

14.97

2.943

44.06

95.96%

1.85
Table 2-2 OTG Mode Efficiency Data
Vbat (V) Idisc (A) Pin (W) Vsys (V) Iout (A) Pout (W) Efficiency Power Loss (W)

39.5

2.596

102.54

19.62

5.009

98.28

95.84%

4.265

39.63

1.953

77.397

19.65

3.759

73.86

95.44%

3.533

39.73

1.313

52.165

19.69

2.511

49.44

94.78%

2.724

39.85

0.678

27.018

19.73

1.262

24.90

92.16%

2.119

39.91

0.287

11.454

19.91

0.51

10.15

88.65%

1.300

39.75

1.189

47.263

14.8

3.009

44.533

94.22%

2.729

39.81

0.9

35.829

14.82

2.26

33.493

93.48%

2.335

39.85

0.612

24.388

14.85

1.51

22.423

91.94%

1.964

39.91

0.318

12.691

14.94

0.76

11.354

89.47%

1.337

39.93

0.135

5.3906

15

0.311

4.665

86.54%

0.725

39.83

0.724

28.837

8.84

3.009

26.59

92.24%

2.237

39.86

0.55

21.923

8.85

2.259

19.99

91.19%

1.930

39.9

0.381

15.202

8.93

1.51

13.48

88.7%

1.717

39.93

0.196

7.826

8.99

0.76

6.832

87.3%

0.9938

39.95

0.086

3.4357

9.01

0.311

2.802

81.56%

0.6336

39.98

0.42

16.792

4.89

3.002

14.68

87..42%

2.111

40.01

0.3201

12.807

4.91

2.254

11.06

86.41%

1.741

40.02

0.2167

8.672

4.96

1.505

7.465

86.08%

1.211

40.03

0.1137

4.551

4.99

0.758

3.782

83.10%

0.771

40.05

0.0518

2.075

5

0.309

1.545

74.47%

0.530
Table 2-3 Standby Loss
Vbat (V) Idisc (A) Pin (mW) Notes

40.5

0.00012

4.65

USB port is unplugged

28.3

0.00014

4.02

 USB port is unplugged

16.2

0.00019

3.03

 USB port is unplugged