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SpeedFit 2.0 Design Simulator™

Welcome to SpeedFit 2.0, the industry’s most comprehensive system-level circuit simulator for silicon carbide power applications.

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SpeedFit Design Simulator

Accelerate the design process with simulation results you can trust. SpeedFit 2.0 quickly calculates losses and estimates junction temperature for power devices based on lab data for common topologies ranging from simple buck and boost converters to a fully bi-directional totem pole PFC with resonant DC/DC converter. Using SpeedFit 2.0, you can quickly determine:

  • The right product for an application
  • Comparative performance for different devices
  • How the performance with varies Rg
  • How many devices need to be paralleled

Returning users, please perform a hard refresh on your browser (press Ctrl+F5 in most browsers) to ensure you are working with the latest version of the SpeedFit Simulator.

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Knowledge Center

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Design Resources

AC/DC Topologies: SpeedFit Examples

SpeedFit 2.0 is an efficient simulation tool that optimizes the design process by allowing users to quickly compare different system specifications, topologies, devices and thermal parameters.
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 Technical Articles

Modeling with SpeedFit

Wolfspeed’s SpeedFit is a powerful online simulator that allows designers to quickly evaluate different power conversion topologies and Silicon Carbide (SiC) devices. The platform is best utilized early in a design cycle to analyze design tradeoffs between different topologies, estimate semiconductor losses and junction temperatures, as well as identifying the best Silicon Carbide (SiC) MOSFETs and Silicon Carbide (SiC) diodes to use in a given design. This saves a great deal of time by reducing the need to sort through datasheets and calculate device losses to select an optimized device. The SpeedFit tool supports numerous power conversion topologies for DC-DC, AC-DC, and DC-AC to support a wide range of applications. This whitepaper will explore some of the topologies including newly added options and demonstrate how SpeedFit can be used to evaluate different device packages and paralleling options.
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 White Paper

Webinar: Modeling with SpeedFit

Wolfspeed’s SpeedFit is a powerful online simulator that allows designers to quickly evaluate different power conversion topologies and Silicon Carbide (SiC) devices. The platform is best utilized early in a design cycle to analyze design tradeoffs between different topologies, estimate semiconductor losses and junction temperatures, as well as identifying the best Silicon Carbide (SiC) MOSFETs and Silicon Carbide (SiC) diodes to use in a given design. This saves a great deal of time by reducing the need to sort through datasheets and calculate device losses to select an optimized device. The SpeedFit tool supports numerous power conversion topologies for DC-DC, AC-DC, and DC-AC to support a wide range of applications. This whitepaper will explore some of the topologies including newly added options and demonstrate how SpeedFit can be used to evaluate different device packages and paralleling options.
Continue Reading 
 Webinars

Modeling with the SpeedFit Design Simulator Webinar

Adam Anders of Wolfspeed covers how to model with the SpeedFit Design Simulator™, a powerful online simulator that allows designers to quickly evaluate different power conversion topologies and Silicon Carbide (SiC) devices. The platform is best utilized early in a design cycle to analyze design tradeoffs between different topologies, estimate semiconductor losses and junction temperatures, as well as identifying the best SiC MOSFETs and SiC diodes to use in a given design.
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