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3 Implementation Results
3.1 Test Equipment
Power Supply: Connect to VIN(-) and Ammeter1. The power supply must be capable of supplying 16A.
Adjustable voltage range must be from 6V to 36V.
Multimeters:
•
Voltmeter 1: Measure the input voltage at VINS+ to VINS–.
•
Voltmeter 2: Measure the output voltage at VOUTS+ to VOUTS–.
•
Ammeter: Measure the input current. Connect to the power supply and VIN(+).
Electronic Load:
•
Load: Connect to VOUT(+) and VOUT(-). The electronic load must be capable of sinking 12A.
3.2 Test Data and Performance Curves
Unless otherwise indicated, VIN = 12V, VOUT= 5V, IOUT = 12A and F
3.2.1 Efficiency and Load Regulation Performance
Vout=3.3V Fsw=1MHz FPWM
100
90
80
70
60
50
40
30
20
10
0
0
1
2
3
4
Output Current (A)
Figure 3-1. Efficiency, VOUT = 3.3V, FPWM Mode
Vout=5V Fsw=1MHz FPWM
100
92
84
76
68
60
52
44
36
28
20
0
1
2
3
4
Output Current (A)
Figure 3-3. Efficiency, VOUT = 5.0V, FPWM Mode
SLVUCT1 – APRIL 2024
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12V
24V
36V
5
6
7
8
9
10
11
12
12V
24V
36V
5
6
7
8
9
10
11
12
Copyright © 2024 Texas Instruments Incorporated
= 1MHz.
SW
Vout=3.3 Fsw=1MHz AUTO
95
92.5
90
87.5
85
82.5
80
77.5
75
72.5
70
0
1
2
3
4
Figure 3-2. Efficiency, VOUT = 3.3V, AUTO Mode
Vout=5V Fsw=1MHz AUTO
95
92.5
90
87.5
85
82.5
80
77.5
75
72.5
70
67.5
65
0
1
2
3
4
Figure 3-4. Efficiency, VOUT = 5.0V, AUTO Mode
TPSM64406 4-Phase, 36V, Single 12A Output, Synchronous, Buck Module
Implementation Results
12V
24V
36V
5
6
7
8
9
10
11
Output Current (A)
12V
24V
36V
5
6
7
8
9
10
11
Output Current (A)
Evaluation Module
12
12
5
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