Rohm adds 10 automotive grade SiC MOSFETs
With the addition of 10 automotive-grade SiC MOSFETs, Rohm Semiconductor claims to offer the industry’s largest line-up of AEC-Q101-qualified SiC MOSFETs that provide the reliability necessary for automotive on-board chargers and DC/DC converters. The SCT3xxxxxHR series use a trench gate structure and are part of a portfolio with variants from 650 to 1,200V.
Although more automotive makers are offering electric vehicles (EVs), their relatively short driving range remains problematic. To improve driving distance, batteries are trending towards larger battery capacities with shorter charging times. This, in turn, demands high power and efficiency on board chargers such as 11 and 22kW, leading to increased adoption of SiC MOSFETs. In addition, higher voltage batteries (800V) require power devices featuring low loss and higher withstand voltages, explains Rohm.
In December 2010 Rohm was the first company to mass produce SiC MOSFETs and continues to mass produce SiC power devices, particularly in the automotive market where demand is increasing. ROHM established automotive-grade quality and began supplying SiC Schottky barrier diodes for on board chargers in 2012 and SiC MOSFETs for DC/DC converters and on board chargers from 2017.
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