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SWIFT TPS54880EVM-228
Texas Instruments SWIFT TPS54880EVM-228 Manuals
Manuals and User Guides for Texas Instruments SWIFT TPS54880EVM-228. We have
1
Texas Instruments SWIFT TPS54880EVM-228 manual available for free PDF download: User Manual
Texas Instruments SWIFT TPS54880EVM-228 User Manual (44 pages)
SWIFT Regulator Evaluation Module
Brand:
Texas Instruments
| Category:
Motherboard
| Size: 1 MB
Table of Contents
Table of Contents
7
Introduction
11
Background
12
Input Voltage and Output Current Summary
13
Performance Specification Summary
14
TPS54680EVM-228 Performance Specification Summary
14
TPS54880EVM-228 Performance Specification Summary
15
Tracking Regulator and Power Sequencing
16
Different Power Sequencing Technique Selection
16
Modifications
17
Switching Frequency
17
Output Voltage Programming
17
Frequency Trimming Resistor Selection Graph
18
Test Setup and Results
19
Input/Output Connections
20
Connection Diagram
21
Power Sequencing Test
22
Powering up with Tracking
22
Powering down with Tracking
23
Powering up with Ratiometric Sequencing
24
Powering down with Ratiometric Sequencing
24
Powering up with Core Voltage Rising First
25
Powering down with Core Voltage Falling Second
25
Efficiency
26
Measured Efficiency
26
Power Dissipation
27
Measured Board Losses
27
Output Voltage Regulations
28
Load Regulation
28
Line Regulation
28
Load Transients
29
Load Transient Response at Input Voltage 3.3 V, TPS54680
29
Load Transient Response at Input Voltage 5 V, TPS54680/TPS54880
29
Loop Characteristics
30
Measured Loop Response, TPS54680
30
Output and Input Voltage Ripple and Main Switching Waveforms
31
Input and Output Voltage Ripple and Main Switching Waveform at V I = 5 V
32
Board Layout
33
Layout
34
Top Side Layout
35
Internal Layer 2 Layout
35
Internal Layer 3 Layout
36
Bottom Side Layout (Looking from Top Side)
36
Schematic and Bill of Materials
37
Schematic
38
Tps54X80Evm-228 Schematic
38
Bill of Materials
39
Tps54X80Evm-228 Bill of Materials
39
A out of Phase Synchronization of I/O and Core SWIFT Family Regulators
41
Input Voltage Ripple and Main Switching Waveforms at
41
Core Regulator (Ch4) and I/O Regulator (Ch1
42
Input Voltage Ripple
42
Phase Core Regulator (Ch4) and I/O Regulator (Ch1
43
Core Regulator (Ch4) and I/O Regulator (Ch1
43
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