May 4, 2016

Wolfspeed Launches the New SpeedFit Online Circuit Simulation Tool to Help Accelerate SiC Device Evaluation and Adoption

Developed using Plexim’s PLECS web-based simulation platform, Wolfspeed’s SpeedFit online simulation tool is the industry’s only such tool that is 100% dedicated to simulating and evaluating SiC power devices
DURHAM, N.C. -- Wolfspeed, A Cree Company, a leading global supplier of silicon carbide (SiC) power products — including best-in-class SiC MOSFETs, Schottky diodes, and modules — has introduced a free online circuit simulation tool that allows power electronics design engineers to simulate and evaluate the performance of SiC-based power circuits, and to aid in the selection of the optimum SiC devices for each application.    

“The SpeedFit simulation tool allows designers to determine the right SiC device for their power system in mere seconds, a process that previously required hours examining datasheets and making calculations,” said Guy Moxey, Wolfspeed’s senior director of power marketing. “We’re confident this tool will increase the rate and ease of SiC-device adoption worldwide.” 

Developed using the proven PLECS® web-based simulation platform from Plexim, the new SpeedFit circuit simulation tool features a simple, intuitive interface that power electronics design engineers can use to simulate any SiC-based power converter circuit topology: DC/DC, AC/DC, or DC/AC. Users simply input their specific application parameters, and the SpeedFit tool generates a comprehensive analysis of SiC device performance, including: voltage and current waveforms, average switching and conduction losses, and maximum junction temperature for specific operating conditions.

Engineers have the ability to select a topology, specify their recommended SiC power device or choose one from the library, define their thermal interface parameters and cooling method, and see the results immediately. The Speedfit simulation tool also allows users to specify external gate resistance, as well as major passive component values present in the circuit, allowing them to compare performance results for several different circuit configurations and devices. The tool quickly, easily, and accurately summarizes system parameters, device part numbers, and simulation results in a single, concise report.   

“Since the SpeedFit simulation tool was successfully developed using our widely-adopted simulation engine, Wolfspeed has made files containing loss and thermal impedance information for their SiC devices available on their website so current PLECS platform users can download and access models for Wolfspeed SiC power devices,” said Kristofer Eberle, business development manager, Plexim. “Our PLECS Standalone tool features a free demo mode that provides access to a collection of pre-built designs, and can be accessed, along with free PLECS trial licenses for custom model development, on the Plexim website.”

Power electronics design engineers can access the free SpeedFit simulation tool now at www.wolfspeed.com/speedfit. Additionally, PCIM 2016 conference attendees can visit the Wolfspeed exhibit at Stand #9-242 to take the SpeedFit Challenge May 10 – 12. Participants who complete the simulation will be eligible to enter a daily drawing for a Holy Stone® X400C FPV RC Quadcopter Drone with WiFi camera.

About Wolfspeed

Wolfspeed, A Cree Company, is leading the innovation and commercialization of silicon carbide and gallium nitride, liberating designers to invent power and wireless systems for a responsible, energy-efficient future.

Wolfspeed’s wide bandgap semiconductor products for power and radio-frequency (RF) applications deliver new levels of performance through increased efficiency, higher switching frequency and reduced system size and weight for the transportation, industrial, energy and communications markets.

Please refer to www.wolfspeed.com for additional product and company information.

About Cree
Cree is a market-leading innovator of lighting-class LEDs, lighting products and semiconductor products for power and radio frequency (RF) applications. Cree believes in better light experiences and is delivering new innovative LED technology that transforms the way people experience light through high-quality, interior and exterior LED lighting solutions.

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

Please refer to www.cree.com for additional product and Company information.

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 the risk we may be unable to manufacture these new products with sufficiently low cost to offer them at competitive prices or with acceptable margins; the risk we may encounter delays or other difficulties in ramping up production of our new products; customer acceptance of our products; the risk that our customer’s plans for additional product purchases may change; 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 28, 2015, and subsequent filings.

Cree® is a registered trademark and Wolfspeed and SpeedFit are trademarks of Cree, Inc.  All other company and product names are the property of their respective owners.