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Texas Instruments TPS549D22 Management IC Manuals
Manuals and User Guides for Texas Instruments TPS549D22 Management IC. We have
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Texas Instruments TPS549D22 Management IC manual available for free PDF download: User Manual
Texas Instruments TPS549D22 User Manual (48 pages)
SWIFT Step-Down Converter Evaluation Module User's Guide
Brand:
Texas Instruments
| Category:
Motherboard
| Size: 2 MB
Table of Contents
Table of Contents
1
1 Introduction
3
2 Description
3
Typical End-User Applications
3
EVM Features
3
3 EVM Electrical Performance Specifications
4
Table 3-1. PWR-784EVM Electrical Performance Specifications
4
4 Schematic
5
Figure 4-1. PWR-784EVM Schematic
5
5 Test Setup
6
Test and Configuration Software
6
6 Test Equipment
7
Out
7
7 Pwr-784Evm
8
Figure 7-1. PWR-784EVM Overview
8
Figure 7-2. Tip and Barrel Measurement
8
Figure 7-3. EVM and USB Interface Adapter
9
8 List of Test Points, Jumpers, and Switch
10
Table 8-1. Test Point Functions
10
9 EVM Configuration Using the Fusion GUI
11
Table 9-1. Key Factory Configuration Parameters
11
10 Test Procedure
12
Line and Load Regulation Measurement Procedure
12
Efficiency
12
Equipment Shutdown
12
Table 10-1. List of Test Points for Line and Load Measurements
12
Table 10-2. List of Test Points for Efficiency
12
11 Performance Data and Typical Characteristic Curves
13
Efficiency
13
Load Regulation
13
Figure 11-1. Efficiency of 1-V Output Vs Load
13
Figure 11-2. Load Regulation of 1-V Output
13
Line Regulation
14
Figure 11-3. Line Regulation of 1-V Output
14
Figure 11-4. Pmbus
14
Figure 11-5. Pmbus
15
Out a
16
Figure 11-7. Pmbus VOUT Step-Down = 1.2 V to 0.6 V at 40 a
17
Figure 11-8. PMBUS Multiple Commands
18
Figure 11-9. Transient Response of 1-V Output at 12 V Figure 11-10. Output Ripple and SW Node of 1-V Output at
19
Output Ripple
19
Transient Response
19
0-A Output
19
Control on
20
Figure 11-11. Output Ripple and SW Node of 1-V Output at 12 V Figure 11-12. Start up from Control, 1-V Output at
20
40-A Output
20
IN , 40-A Output
20
Control off
21
Figure 11-13. 0.5-V Pre-Bias Start up from Control, 1-V Output at 12 V
21
40-A Output
21
Figure 11-14. Soft Stop from Control, 1-V Output at
21
Figure 11-15. Thermal Image at 1-V Output at 12 VIN , 40-A Output
22
Thermal Image
22
12 Fusion GUI
23
Figure 12-1. First Window at Fusion Launch
23
Figure 12-2. Scan Finds Device Successfully
23
Figure 12-3. Software Launch Continued
24
Figure 12-4. Software Launch Continued
24
Figure 12-5. First Screen after Successful Launch Configure: Limits and
25
On/Off
25
Figure 12-6. Configure: Frequency- FS Configuration Pop-Up
26
Figure 12-7. Configure: Frequency- FS Config Pop-Up with Change
27
Figure 12-8. Configure: Store Config to NVM
28
Figure 12-9. Change View Screen to Monitor Screen
29
Figure 12-10. System Dashboard
30
Figure 12-11. Status Screen
31
Figure 12-12. Store Configuration to Memory
32
Figure 12-13. Pmbus Logging
33
Figure 12-14. Pmbus Log Details
34
13 EVM Assembly Drawing and PCB Layout
35
Figure 13-1. PWR-784EVM Top Layer Assembly Drawing
35
Figure 13-2. PWR-784EVM Top Solder Mask (Top View)
35
Figure 13-3. PWR-784EVM Top Layer (Top View)
36
Figure 13-4. PWR-784EVM Inner Layer 1 (Top View)
36
Figure 13-5. PWR-784EVM Inner Layer 2 (Top View)
37
Figure 13-6. PWR-784EVM Inner Layer 3 (Top View)
37
Figure 13-7. PWR-784EVM Inner Layer 4 (Top View)
38
Figure 13-8. PWR-784EVM Bottom Layer
38
Figure 13-9. PWR-784EVM Bottom Solder Mask
39
Figure 13-10. PWR-784EVM Bottom Overlay Layer (Top View)
39
14 List of Materials
40
Table 14-1. PWR784 List of Materials
40
15 Revision History
42
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