SLUUCK0A
September 2023 – June 2026
1
Description
Features
4
1
Evaluation Module Overview
1.1
Introduction
1.2
Kit Contents
1.3
Specifications
1.4
General TI High Voltage Evaluation User Safety Guidelines
2
Hardware
2.1
Module and Gate Driver Compatibility
2.1.1
Supported Wolfspeed Modules and Evaluation Platforms
2.1.2
Supported Gate Drivers
2.2
System Overview and Functions
2.2.1
PCB Pinout
2.2.2
Block Diagram
2.2.2.1
Primary-Side Power
2.2.2.2
Primary-Side I/O and Diagnostics
2.2.2.3
Secondary-Side Bias Supply
2.2.2.4
Output Stage Gate Loop
2.2.2.5
Current Booster
2.2.2.6
Short-Circuit Detection System
2.2.2.6.1
Short-Circuit Detection - DESAT
2.2.2.6.2
Short-Circuit Detection - OC
2.2.2.7
Temperature-Sense System
2.3
Test Setups and Procedures
2.3.1
Equipment List
2.3.2
Power-On and Bias Supply Check
2.3.3
Output Switching
2.3.4
AIN-APWM Test
3
Implementation Results
3.1
EVM Example Measurements
3.1.1
Short-Circuit Testing
3.1.1.1
OC Variant: Normal Switching vs Short Circuit Soft Turn-Off
3.1.1.2
DESAT Variant: Normal Switching vs Short Circuit Soft Turn-Off
3.1.2
Analog Sensing
3.2
EVM Tuning
3.2.1
Adjust Power Supplies
3.2.1.1
Adjust VDD Bias Supply
3.2.1.2
Adjust VEE Bias Supply
3.2.1.3
Switch to Unipolar Bias Supply
3.2.1.4
Bypass VDD LDO
3.2.2
Adjust Drive Strength
3.2.2.1
Without Booster
3.2.2.2
Enabling/Disabling Booster Stage
3.2.3
Adaptations for Other ISO5x5x / UCC217xx Variants
3.2.3.1
Adapting EVM for UCC21732/39
3.2.3.2
Adapting EVM for UCC21737
3.2.3.3
Adapting EVM for ISO5451/ISO5851
4
Hardware Design Files
4.1
Schematics
4.2
PCB Layouts
4.3
Bill of Materials (BOM)
5
Additional Information
5.1
Trademarks
6
Revision History
EVM User's Guide
UCC2181xx, UCC217xx, and ISO5x5x Evaluation Module