SLUAB09
October 2025
AMC0386-Q1
,
TPS61170
,
TPS61170-Q1
,
TPSI2140-Q1
1
Abstract
1
Introduction
1.1
Background
1.2
System Requirements
1.3
Typical Challenges
1.3.1
Influence of Y-Capacitors
1.3.2
High Potential Testing
1.3.3
Wide AC Voltage Range
2
Insulation Monitoring Architectures
2.1
Basic Architecture
2.2
Dual-Switch Architecture
2.3
Active Single-Switch Architecture
2.4
Architecture Comparison
3
Key Components
3.1
Solid-State Relay
3.2
Voltage Sensor
3.3
DC Power Supply
4
Summary
5
Reference
Trademarks
Technical White Paper
A Comparative Analysis of Insulation Monitoring Device (IMD) Architectures in Bidirectional Onboard Chargers