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Design & Simulation of an LLC Half-Bridge Resonant Power Converter

Resonant LLC resonant converters have attracted much attention in recent years due to the soft-switching characteristics over a wide load/line range, high peak efficiency, high power density, and low EMI footprint. However, the optimal design of a resonant LLC converter is a non-trivial task as the converter is highly nonlinear and the design process involves many iterations.
That’s why the Power Supply Design Suite (PSDS) in PSIM provides design tools for analyzing and optimizing resonant converters with accuracy
This webinar covers the theory, circuit topology and various design considerations of an LLC Half-Bridge Resonant Power Converter including simulation in PSIM.

The half-bridge power stages are commonly used for isolated, medium-power applications such as on-board charging applications for EV with high-voltage input are often designed with resonant switching to achieve higher efficiency.

The concept of unique analysis tool known as first harmonic approximation (FHA) for controlling frequency modulation is also introduced. A design example with PSIM simulation will be elaborated.

Jun 28, 2022 11:00 AM in Paris