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Microchip announces production release of Silicon Carbide (SiC) products for high-voltage power electronics

Published: 1 May 2019 - Christian Lynn

 

Microchip announces, via its Microsemi subsidiary, the production release of a family of SiC power devices that offer proven ruggedness and the performance benefits of wide-bandgap technology. Complemented by Microchip’s broad range of microcontrollers (MCUs) and 

analogue solutions, the SiC devices join a growing family of SiC products. These products meet the need to improve system efficiency, robustness and power density in Electric Vehicles (EVs), as well as other high-power applications in the industrial, aerospace and defence markets.

Microchip supplies a range of both silicon and SiC discrete module solutions. The company’s products are suited for the growing number of EV systems, including external charging stations, onboard chargers, DC-DC converters and powertrain/traction control solutions. The new SiC devices are backed by Microchip’s customer-driven obsolescence practice, which ensures devices will continue to be produced as long as they are needed.

Particularly, Microchip’s SiC MOSFETs and SBDs offer efficient switching at higher frequencies and pass ruggedness tests at levels critical for guaranteeing long-term reliability. The company’s SiC SBDs perform well in Unclamped Inductive Switching (UIS) ruggedness tests, measuring how well devices withstand degradation or premature failure under avalanche conditions, which occur when a voltage spike exceeds the device’s breakdown voltage. Microchip’s SiC MOSFETs perform similarly in these ruggedness tests, with gate oxide shielding and channel integrity ensuring little lifetime degradation in parameters, even after 100,000 cycles of Repetitive UIS (RUIS) testing. 

Microchip supplies a range of both silicon and SiC discrete module solutions. The company’s products are suited for the growing number of EV systems, including external charging stations, onboard chargers, DC-DC converters and powertrain/traction control solutions. The new SiC devices are backed by Microchip’s customer-driven obsolescence practice, which ensures devices will continue to be produced as long as they are needed. For more information, visit: www.microchip.com

 



 
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