SLUUB60B
May 2015 – August 2021
TPS544B25
,
TPS544C25
Trademarks
1
Introduction
2
Description
2.1
Typical End-User Applications
2.2
EVM Features
3
EVM Electrical Performance Specifications
4
Schematic
5
Test Setup
5.1
Test and Configuration Software
5.1.1
Description
5.1.2
Features
5.2
Test Equipment
5.3
The PWR-681EVM
5.4
List of Test Points, Jumpers ans Switch
6
EVM Configuration Using the Fusion GUI
6.1
Configuration Procedure
7
Test Procedure
7.1
Line/Load Regulation Measurement Procedure
7.2
Efficiency
7.3
Bode Plot Measurement Procedure
7.4
Equipment Shutdown
8
Performance Data and Typical Characteristic Curves
8.1
Efficiency
8.2
Load Regulation
8.3
Line Regulation
8.4
Transient Response
8.5
Output Ripple
8.6
Control On
8.7
Control Off
8.8
Overcurrent Protection
8.9
Control Loop Bode Plot
8.10
Thermal Image
9
Fusion GUI
10
EVM Assembly Drawing and PCB Layout
11
List of Materials
12
Revision History
2.2
EVM Features
Regulated 0.95-V output up to 30-ADC, steady-state output current
Configuarable features via the PMBus interface include:
Programmable Output Voltage via the PMBus Interface
Programmable UVLO, Soft Start, and Enable via the PMBus Interface
Programmable Overcurrent Warning, Fault Limits and Programmable Response to Faults via the PMBus Interface
Programmable Overvoltage, Undervoltage Warning, Fault Limit and Programmable Response to Faults via the PMBus Interface
Programmable external Overtemperature Warning, Fault Limit and Programmable Response to Faults via the PMBus Interface
Convenient Test Points for Probing Critical Waveforms
Optional External Temperature Sensor