SLUUD68
December 2024
1
Abstract
1
3
1
General TI High Voltage Evaluation User Safety Guidelines
2
Module Compatibility
2.1
Supported Wolfspeed Modules and Evaluation Platforms
3
System Overview and Functions
3.1
Features
3.2
Specifications
3.3
PCB Pinout
3.4
Device Information
3.4.1
Primary-Side Power
3.4.2
Primary-Side I/O and Diagnostics
3.4.3
Secondary-Side Bias Supply
3.4.4
Output Stage Gate Loop
3.4.5
Short-Circuit Detection - DESAT
4
Using the EVM
4.1
Equipment List
4.2
Test Setups and Procedures
4.2.1
Power-On and Bias Supply Check
4.2.2
Output Switching
5
EVM Example Measurements
5.1
DESAT Functionality Testing
6
EVM Tuning
6.1
Adjust Power Supplies
6.1.1
Adjust Only VDD Bias Supply
6.1.2
Adjust VDD and VEE Bias Supplies Simultaneously
6.1.3
Switch to Unipolar Bias Supply
6.1.4
Bypass VDD LDO
6.2
Adjust Drive Strength
6.3
Adjust Soft Turn-off Strength
7
Hardware Design Files
7.1
Schematics
7.2
PCB Layouts
7.3
Bill of Materials (BOM)
8
Additional Information
8.1
Trademarks
9
Revision History
EVM User's Guide
UCC2189X5Y Half-Bridge EVM User's Guide for Wolfspeed 1200V SiC Platforms