High-Power Resonant AC/DC Converter
ClassEgg is the EcoVoltas architecture for high-power applications that require Power Factor Correction (PFC).
ClassEgg is a Zero Voltage Switching resonant architecture that has been designed to offer a single-stage converter able to act both as PFC and isolated regulator, improving efficiency dramatically in comparison with traditional boost PFC + LLC resonant converters.
ClassEgg efficiency is at a maximum in the range from 50% to 100% load. For this reason, this architecture is best suited to high-power PSUs for servers, large home appliances and electric and hybrid vehicles.
Eggtronic patented resonant topology
Hybrid inductive-capacitive coupling
Hybrid non dissipative rectifier-regulator
ZVS always guaranteed
Weak-coupling transformer (k < 1)
SiC devices preferred
Higher overall efficiency (lower ohmic losses and ZVS)
Strongly reduced BOM
Easy driving of low-side MOSFET at high frequency
Lower overall cost
Extremely compact solution
Better EMI performances
Smaller EMI filter