SemiSouth, a SiC leader, announces demo board show casing SiC JFETs in cascode half-bridge configuration

Date
02/08/2012

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SemiSouth Laboratories, Inc., the leading manufacturer of silicon carbide (SiC) transistor technology for high-power, high-efficiency, harsh-environment power management and conversion applications, has announced a demo board showing the operation of its SiC JFETs in a cascode half-bridge configuration. Enabling a quick evaluation of the SJDP120R085 JFET, the demo board platform is suitable for many applications including boost, buck, inverter and PSU half-bridge power stage designs. In the cascode configuration, the JFET is driven via a source-connected MOSFET, allowing existing, commercially available MOSFET drivers to be used. Normally-on SJDP120R085 1200 V power JFETs enable high-speed switching, are compatible with standard gate drive circuitry, and feature a positive temperature coefficient for ease of paralleling. The JFETs have a high saturation current (27A), low on-resistance per unit area (85 m? max), and improved switching performance. The demo board comes complete with Gerber files and a BOM to allow users to build their own circuits. Comments Dieter Liesabeths, VP of Sales and Marketing: "Our SiC JFETs have industry-leading performance and we are committed to supporting them with the best available design tools." About SemiSouth Laboratories, Inc. SemiSouth, a privately owned corporation with its main offices and foundry in Starkville, Mississippi, (USA), focuses on silicon carbide (SiC) power devices and electronics, targeting applications such as: solar inverters; power conversion in computing and network power supplies; variable-speed drives for industrial motors and hybrid electric vehicles; and products used in high-power, harsh-environment military and aerospace environments. The company was formed in 2000, has sold products globally through direct sales or distributors since 2005, and received a major growth investment from Power Integrations (NASDAQ: POWI) in 2010. It introduced the world's first commercial, cost-effective normally-off SiC JFETs in 2008, which have enabled world-record energy efficiencies for its customer's products. More information is available at www.semisouth.com

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