FURI | Spring 2026

Geometry-Based Planar Transformer Impedance and CM EMI Noise Estimation

The research problem this project seeks to address is the effective modeling of high-frequency planar transformer (HFPT) distributed network parasitic circuit impedance and its impact on power converter (PC) waveform and electromagnetic interference (EMI) prediction. While other models such as lumped network parasitic circuit models exist with reasonable accuracy, this approach aims to improve on lumped models by accounting for the inherently distributed parasitic LC circuit network for PCB HFPT. Accurate analysis is key for transformer longevity, EMI compliance, and improved assessment of component stress. If successful, by deriving new distributed LC-element models based HFPT geometries, these analyses are improved.