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Modern power systems demand higher efficiency, increased power density, and reduced electromagnetic interference (EMI)—all while adhering to shrinking size constraints. Among the converter topologies addressing these challenges, the Flying Capacitor Multilevel (FCML) converter stands out for its unique advantages. When combined with Gallium Nitride (GaN) power transistors, FCML converters offer an unprecedented level of performance, particularly in the realm of medium-voltage applications such as 48 V data center power delivery, battery management systems, and high-efficiency power factor correction (PFC) circuits.
Power Systems Design
June 2025
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