Accurate simulation is critical to modern power converter design, yet magnetics remain one of the most difficult components to model with confidence. While SPICE-based approaches relying on linear inductors and mutual coupling can approximate ideal behavior, they often fail to capture the nonlinear core physics, saturation effects, and hysteresis phenomena that fundamentally govern real transformer performance. As switching frequencies rise and efficiency targets tighten, these limitations translate directly into design risk, unexpected losses, instability, and costly board spins.
Magnetics play a pivotal role in today’s high-performance applications, from high-density DC-DC converters to isolated power architectures supporting AI accelerators and next-generation data centers, where efficiency, thermal margins, and power density are paramount. Accurate modeling is no longer optional. It is foundational to achieving first-pass success.
The session will introduce a workflow enabled by Magnetics Designer in Power Electronics EM Professional, demonstrating how schematic-level nonlinear core modeling can be integrated with EM-extracted parasitics to produce realistic, simulation-ready transformer models. Finally, we will briefly touch on adjacent modeling domains such as layout parasitics, thermal effects, and advanced transistor models, and why a comprehensive physics-based simulation strategy is essential for modern power electronics design.
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