Texas Instruments TPS549B22EVM-847 Manuals

Manuals and User Guides for Texas Instruments TPS549B22EVM-847. We have 1 Texas Instruments TPS549B22EVM-847 manual available for free PDF download: User Manual

Texas Instruments TPS549B22EVM-847 User Manual (44 pages)

25-A Single Synchronous Step-Down Converter With Full Differential Sense and PMBus

Brand: Texas Instruments | Category: Media Converter | Size: 3 MB

Table of Contents
1
TPS549B22EVM-847, 25-A Single Synchronous Step-Down Converter with
1
SLUUBN2 – March
2
Introduction
3
- Before You Begin
  3
Description
4
- Typical End-User Applications
  4
- EVM Features
  4
EVM Electrical Performance Specifications
5
PWR-847EVM Electrical Performance Specifications
5
Pmbus V out Step-Up = 0.6 V to 1.2 V at 0 a
6
PWR-847EVM Schematic
6
Schematic
6
Test Setup
7
- Test and Configuration Software
  7
Test Equipment
8
Pwr-847Evm
9
PWR-847EVM Overview
9
Tip and Barrel Measurement
9
EVM and USB Interface Adapter
10
List of Test Points, Jumpers, and Switch
11
Test Point Functions
11
EVM Configuration Using the Fusion GUI
12
Key Factory Configuration Parameters
12
List of Test Points for Efficiency Measurements
13
List of Test Points for Line and Load Measurements
13
Test Procedure
13
Efficiency Vs Output Current SKIP Mode
14
Performance Data and Typical Characteristic Curves
14
- 11.1 Efficiency
  14
- 11.2 Load Regulation
  14
Power Loss Vs Output Current SKIP Mode
14
- 11.3 Line Regulation
  15
Line Regulation of 1-V Output
15
- OUT Step-Down = 1.2 V to 0.6 V at 0 a
  15
- OUT Step-Up = 0.6 V to 1.2 V at 25 a
  16
Submit Documentation Feedback
15
- Copyright © 2017, Texas Instruments Incorporated
  15
PMBUS Multiple Commands
17
Output Ripple and SW Node of 1-V Output at
18
- IN , 25-A Output
  18
- Control on
  19
Transient Response of 1-V Output at
18
- IN , Transient Is 0.5 a to 15.5 A, the Step Is 15 a at 40 A/Μs
  18
Output Ripple and SW Node of 1-V Output at
19
- 0-A Output
  19
Start up from Control, 1-V Output at
19
- IN , 0-A Output
  19
- Control off
  20
  - IN , 10-A Output
    20
Start-Up and Shutdown, 1-V Output at
20
- IN , 0.5-A Output
  20
- Thermal Image
  21
Thermal Image at 1-V Output at
21
- IN , 25-A Output, 650 Khz at 25°C Ambient
  21
First Window at Fusion Launch
22
Fusion GUI
22
Scan Finds Device Successfully
22
Software Launch Continued
22
First Screen after Successful Launch Configure: Limits and On/Off
23
Configure: Frequency- FS Configuration Pop-Up
24
Configure: Frequency- FS Config Pop-Up with Change
25
Configure: Store Config to NVM
26
Change View Screen to Monitor Screen
27
System Dashboard
28
Status Screen
29
Store Configuration to Memory
30
Pmbus Logging
31
Pmbus Log Details
32
EVM Assembly Drawing and PCB Layout
33
PWR-847EVM Top Layer Assembly Drawing (Top View)
33
PWR-847EVM Top Solder Mask (Top View)
33
PWR-847EVM Inner Layer 1 (Top View)
34
PWR-847EVM Top Layer (Top View)
34
PWR-847EVM Inner Layer 2 (Top View)
35
PWR-847EVM Inner Layer 3 (Top View)
35
PWR-847EVM Bottom Layer (Top View)
36
PWR-847EVM Inner Layer 4 (Top View)
36
PWR-847EVM Bottom Overlay Layer (Top View)
37
PWR-847EVM Bottom Solder Mask (Top View)
37
List of Materials
38
PWR847 List of Materials
38

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Texas Instruments TPS549B22EVM-847 User Manual (44 pages)

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