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31 October 2013

Cree’s SiC MOSFETs used in Shinry’s HEV/EV power converters, achieving 96% efficiency

Cree Inc of Durham, NC, USA says that Shinry Technologies Co Ltd of Shenzhen, China, which focuses on energy-efficient applications in transportation and lighting, has employed its 1200V C2M family of silicon carbide (SiC) MOSFETs in its new, high-efficiency, hybrid electric and electric vehicle (HEV/EV) power converters for passenger cars and buses to achieve what is claimed to be industry-leading efficiency of 96%. According to Shinry, Cree’s C2M SiC MOSFETS also enabled a 25% reduction in product size and over 60% reduction in peak power losses compared to the traditional silicon versions. “Our customers care a great deal about efficiency, compact size and system weight and cost,” comments Shinry’s CEO Dr Wu Ren Hua.

Shinry specializes in creating HEV/EV DC-DC converters, on-board chargers and rapid chargers for a market that demands high reliability, efficiency and compact size. By implementing Cree’s second-generation SiC MOSFETs in its latest 3-10kW DC-DC converters designed for use in electric buses, Shinry says it has achieved considerable efficiency improvement and significant size and weight reduction.

Introduced in March, the C2M family of SiC MOSFETs has been demonstrated to achieve more than three times the power density of typical silicon technology in standard power supply designs, says Cree. The MOSFETs have been actively employed in solar inverters, industrial power supplies, battery chargers, uninterruptible power supply (UPS) systems and several other applications. The new 1200V and 1700V MOSFETs enable  significant improvements in efficiency, reliability and/or power density, the latter of which can also lead to reductions in the size, weight, volume and, in some cases, even the total cost of power systems, claims Cree.

Packaged SiC MOSFETs from Cree are available from DigiKey, Farnell/Newark, Richardson and Mouser, and die are available from SemiDice.

See related items:

Cree begins volume production of second generation SiC MOSFET

Tags: Cree SiC MOSFET

Visit: www.cree.com/power

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