TIDT391 April   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 Dimensions
    4. 1.4 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 Start-Up Sequence
    2. 3.2 Switching
    3. 3.3 Short-Circuit Protection

2.2 Efficiency Data

Table 2-1 shows the efficiency data.

Table 2-1 Test With USB PD Input Source
Input Source Battery Setting VIN (V) IIN (A) PIN (W) VOUT (V) ICHARGE (A) POUT (W) Efficiency (%) PLOSS (W)

5V, 3A

7S

4.60

2.9403

13.53

30.03

0.393

11.80

87.26

1.72

9V, 3A

7S

8.84

2.9152

25.77

30.03

0.788

23.66

91.82

2.11

15V, 3A

7S

15.09

1.9692

29.72

30.03

0.926

27.81

93.58

1.91

20V, 3A

7S

19.92

1.4736

29.35

30.03

0.923

27.72

94.43

1.64

5V, 3A

6S

4.61

2.9411

13.53

26.02

0.458

11.92

88.09

1.61
9V, 3A

6S

8.83

2.9181

25.77

26.02

0.914

23.78

92.30

1.98
15V, 3A

6S

15.11

1.689

25.52

26.02

0.923

24.02

94.11

1.50
20V, 3A

6S

19.99

1.2605

25.20

26.02

0.921

23.96

95.11

1.23
5V, 3A

5S

4.61

2.9435

13.57

22.02

0.549

12.09

89.09

1.48
9V, 3A

5S

8.93

2.4558

21.93

22.02

0.929

20.46

93.28

1.47
15V, 3A

5S

15.18

1.4054

21.33

22.02

0.922

20.30

95.16

1.03
20V, 3A

5S

20.07

1.0465

21.00

22.02

0.919

20.24

96.35

0.77
5V, 3A

4S

4.61

2.9473

13.59

18.02

0.676

12.18

89.66

1.41
9V, 3A

4S

9.01

1.9687

17.74

18.02

0.925

16.67

93.97

1.07
15V, 3A

4S

15.22

1.1357

17.29

18.02

0.920

16.58

95.91

0.71

20V, 3A

4S

20.14

0.864

17.40

18.02

0.918

16.54

95.07

0.86
Table 2-2 Test With Non-USB PD Source Such as 5V, 2A Legacy AC/DC Wall Charger
Input Source Battery Setting VIN (V) IIN (A) PIN (W) VOUT (V) ICHARGE (A) POUT (W) Efficiency (%) PLOSS (W)

5V, 2A Non-USB PD Source

7S

4.263

2.406

10.26

30.03

0.295

8.86

86.37

1.40

5V, 2A Non USB PD Source

6S

4.262

2.405

10.25

26.02

0.345

8.98

87.58

1.27

5V, 2A Non USB PD Source

5S

4.259

2.404

10.24

22.02

0.413

9.09

88.82

1.14

5V, 2A Non-USB PD Source

4S

4.260

2.404

10.24

18.02

0.509

9.17

89.55

1.07