SDAA566
October 2026
1
Abstract
Trademarks
1
Introduction
2
Working Principles
2.1
Electromagnetic Induction
2.2
Mathematical Model and Sensitivity
2.3
Phase Shift: 90° Offset
3
Design Challenges and Workarounds
3.1
Low Signal Amplitude (μV/A)
3.2
Sensitivity to Noise
3.3
Effect of Artificial Load
3.4
Integration needed
3.4.1
Integration Theory
3.4.2
Choosing Integration Frequency: Phase and Gain Margin Versus Number of Decades
3.5
Stray Magnetic Fields Interference
3.6
Crosstalk
3.7
Mechanical Considerations
3.8
Errors From Non-Ideal Coil Design
4
Summary
5
References
Application Note
Understanding the Design Challenges of Rogowski Coils