In this video, Marco Palma and Andrea Nicotera, both from EPC, present experimental tests on two high‑performance reference designs: the EPC91107 four‑level flying capacitor totem‑pole PFC and the EPC91110 four‑level ISOP LLC resonant DC‑DC converter. Filmed at the Power Electronics Innovation Center, Politecnico di Torino, they demonstrate a complete 5.5 kW AC‑to‑50 V DC conversion chain, highlighting the test setup, measurement equipment, and the system’s excellent efficiency at high power levels.

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Maurizio Di Paolo Emilio, Director of Global Marketing Communications at EPC