This paper presents a SiC MOSFET-based 6.6 kW bi-directional Electric Vehicle (EV) on-board charger (OBC), with high efficiency and high power density. A digital controlled prototype with a switching frequency of 67kHz for CCM totem pole PFC, and 150kHz-300kHz for a CLLC resonant converter is … [Read more...]
Application of SiC MOSFETs in 6.6kW High-Frequency High-Power-Density Power Converter
This paper presents the application of Silicon Carbide (SiC) devices in a high-frequency LLC resonant DC/DC converter which can be used in bus converters, EV chargers, server powers, and energy storage. With high switching frequencies, the leakage inductance of the LLC transformer can be used as the … [Read more...]
PCB Layout Methodologies for SiC Gate Drivers
When designing the printed circuit board (PCB) layout for any high-power or high-voltage system, the gate drive circuitry can be particularly susceptible to parasitic impedances and signals. Following specific PCB design guidelines can help mitigate these common pitfalls and eliminate failures in … [Read more...]