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Texas Instruments TPS543B22EVM Manuals
Manuals and User Guides for Texas Instruments TPS543B22EVM. We have
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Texas Instruments TPS543B22EVM manual available for free PDF download: User Manual
Texas Instruments TPS543B22EVM User Manual (35 pages)
SWIFT Step-Down Converter Evaluation Module
Brand:
Texas Instruments
| Category:
Motherboard
| Size: 3.25 MB
Table of Contents
Table of Contents
1
Introduction
3
Background
3
Before You Begin
3
Table 1-1. Input Voltage and Output Current
3
Performance Characteristics Summary
4
Table 1-2. TPS543B22EVM Small Size (U1) Performance Characteristics Summary
4
Table 1-3. TPS543B22EVM High Efficiency (U2) Performance Characteristics Summary
4
Configurations and Modifications
5
Output Voltage
5
Table 2-1. VOUT Selection
5
Switching Frequency (FSEL Pin)
6
Current Limit, Soft-Start Time, and Internal Compensation (MODE Pin)
6
Adjustable UVLO
6
Table 2-2. FSEL Selection
6
Table 2-3. MODE Selection
6
Test Setup and Results
7
Input/Output Connections
7
Table 3-1. Connectors and Jumpers
8
Table 3-2. Test Points
9
Efficiency
10
Figure 3-1. P1 Efficiency
10
Figure 3-2. P2 Efficiency - Default Configuration
10
Table 3-3. Efficiency Measurement Test Points
10
Output Voltage Regulation
11
Figure 3-3. U1 Load Regulation
11
Figure 3-4. U1 Line Regulation
11
Figure 3-5. U2 Load Regulation
11
Figure 3-6. U2 Line Regulation
11
Load Transient and Loop Response
12
Figure 3-7. U1 Transient Response
12
Figure 3-8. U2 Transient Response
12
Figure 3-9. U1 Bode Plot
12
Figure 3-10. U2 Bode Plot
12
Output Voltage Ripple
13
Figure 3-11. U1 Output Ripple - no Load
13
Figure 3-12. U1 Output Ripple - 20 a Load
13
Figure 3-13. U2 Output Ripple - no Load
13
Figure 3-14. U2 Output Ripple - 20 a Load
13
Input Voltage Ripple
14
Figure 3-15. U1 Input Ripple - no Load
14
Figure 3-16. U1 Input Ripple - 20 a Load
14
Figure 3-17. U2 Input Ripple - no Load
14
Figure 3-18. U2 Input Ripple - 20 a Load
14
Synchronizing to a Clock
15
Figure 3-19. U1 and U2 Synchronized to a Clock
15
Figure 3-20. U2 Clock Synchronization Transitions
15
Start-Up and Shutdown with en
16
Figure 3-21. U2 Start-Up with en - no Load
16
Figure 3-22. U2 Shutdown with en - no Load
16
Figure 3-23. U2 Startup with en - no Load and Measuring VDRV
16
Start-Up and Shutdown with VIN
17
Figure 3-24. U2 Start-Up with VIN
17
Figure 3-25. U2 Shutdown with VIN
17
Start-Up into Pre-Bias
18
Figure 3-26. U2 Start-Up into 0.5-V Pre-Bias
18
Hiccup Current Limit
19
Figure 3-27. U1 Output Overcurrent Protection - Overload
19
Figure 3-28. U2 Output Overcurrent Protection - Overload
19
Thermal Performance
20
Figure 3-29. U1 Thermal Performance - 20-A Load and U2 off
20
Figure 3-30. U2 Thermal Performance - 20-A Load and U1 off
20
Figure 3-31. U1 Thermal Performance - both 20-A Load
20
Figure 3-32. U2 Thermal Performance - both 20-A Load
20
Board Layout
21
Layout
21
Figure 4-1. Top Overlay
22
Figure 4-2. Top Solder
22
Figure 4-3. Top Layer
22
Figure 4-4. Signal 1
22
Figure 4-5. Signal 2
23
Figure 4-6. Signal 3
23
Figure 4-7. Signal 4
23
Figure 4-8. Bottom Solder
23
Figure 4-9. Bottom Overlay
24
Figure 4-10. Bottom Layer
24
Figure 4-11. Drill Drawing
24
Figure 4-12. Board Dimensions
24
Schematic and Bill of Materials
25
Schematic
25
Figure 5-1. U1 Schematic
25
Figure 5-2. U2 Schematic
26
Bill of Materials
27
Sluuch6B - September 2022 - Revised September 2023
27
Table 5-1. TPS543B22EVM Bill of Materials
27
Revision History
28
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