New SPICE Model for Silicon Carbide Power MOSFET

Cree Releases SPICE Model for Silicon Carbide Power MOSFET

Behavior-based model enables power electronic design engineers to quantify benefits of silicon carbide MOSFETs in board-level circuit simulation

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DURHAM, N.C., February 6, 2012 — Cree, Inc. (Nasdaq: CREE), a market leader in silicon carbide (SiC) power devices, has expanded its design-in support for the industry’s first commercially-available SiC MOSFET power devices with a fully-qualified SPICE model. Using the new SPICE model, circuit designers can easily evaluate the benefits Cree’s SiC Z-FET™ MOSFETs provide for achieving a higher level of efficiency than is possible with conventional silicon power switching devices for comparably-rated devices.

SiC MOSFETs have significantly different characteristics than silicon devices and therefore require a SiC-specific model for accurate circuit simulations. Cree’s behavior-based, temperature-dependent SPICE model is compatible with the LT spice simulation program and enables power electronics design engineers to reliably simulate the advanced switching performance of Cree CMF10120D and CMF20120D Z-FETs in board-level circuit designs.

Cree SiC MOSFETs are capable of delivering switching frequencies that are up to 10 times higher than IGBT-based solutions. Their higher switching frequencies can enable smaller magnetic and capacitive elements, thereby shrinking the overall size, weight and cost of power electronics systems.

This SiC MOSFET SPICE model adds to Cree’s comprehensive suite of design-in support tools, technical documentation, and reliability information to provide power electronics engineers with the design resources necessary to implement SiC power devices into the next generation of power systems.

The Cree SiC MOSFET SPICE model is available for download at www.cree.com/power/mosfet.asp. In addition, customers can download published specifications and detailed design guidelines and request samples. For more information about Cree’s SiC power devices, please visit www.cree.com/power.

About Cree
Cree is a market-leading innovator of semiconductor products for power and radio-frequency (RF) applications, lighting-class LEDs, and LED lighting solutions.

Cree's product families include LED fixtures and bulbs, blue and green LED chips, high-brightness LEDs, lighting-class power LEDs, power-switching devices and RF devices. Cree products are driving improvements in applications such as general illumination, electronic signs and signals, power supplies and solar inverters.

For additional product and company information, please refer to www.cree.com

This press release contains forward-looking statements involving risks and uncertainties, both known and unknown, that may cause actual results to differ materially from those indicated. Actual results may differ materially due to a number of factors, including customer acceptance of our products; the rapid development of new technology and competing products that may impair demand or render Cree’s products obsolete; and other factors discussed in Cree’s filings with the Securities and Exchange Commission, including its report on Form 10-K for the year ended June 26, 2011, and subsequent filings.

Cree is a trademark registered in the U.S. Patent and Trademark Office by and Z-FET is a trademark of Cree, Inc.

Media Contact:
Michelle Murray
Cree, Inc.
Corporate Communications
(919) 313-5505
michelle_murray@cree.com