SDAA253
January 2026
TPSI2240-Q1
1
Abstract
Trademarks
1
Introduction
1.1
Insulation Monitor
2
Detailed Description
2.1
Solving for the Unknown Isolation Resistances
2.2
Addressing Large Time Constant Cases
2.3
Prediction Algorithms
2.4
Understanding Error Sources
2.5
Test Results
3
Summary
4
References
Application Note
Design Considerations for Large Y-Capacitor Resistive-Bridge DC Insulation Monitoring Device