SLVAG18
April 2025
TPSI3100
,
TPSI3100-Q1
1
Abstract
Trademarks
1
Why DESAT Protection Is Needed
1.1
Key Considerations for DESAT Protection
2
Key DESAT Circuit Components
2.1
Circuit Startup Behavior
3
Design Example
3.1
Design Requirements
3.2
Threshold Equations
3.3
Given Parameters
3.4
Inserting Given Parameters into Equations
3.5
Solving Equations for Unknowns
3.6
Selecting Resistances to Satisfy Equations
3.7
Determining Blanking Capacitance
3.8
Final Component Values
3.9
Lab Testing
4
Closing
Application Note
How TPSI3133 DESAT Can Protect Your Expensive SiC MOSFETs and IGBTs