AES Semigas


16 March 2021

UnitedSiC launches FET-Jet Calculator

Silicon carbide (SiC) power semiconductor maker United Silicon Carbide Inc (UnitedSiC) of Princeton, NJ, USA has launched the FET-Jet Calculator, a simple, registration-free online tool that facilitates selection and performance comparison in different power applications and topologies. The new tool is intended to allow engineers to make design decisions quickly and with confidence.

To identify the optimal UnitedSiC device for their power design, users can select their application function and topology, enter their design parameter details, and the tool automatically calculates switch current, efficiency and losses, categorized by conduction, turn-on and turn-off contributions. Operating temperature and heatsink rating are included as inputs, to show expected operating junction temperatures.

Users can explore the effect of changing conduction modes in the various topologies by varying storage inductor and switching frequency values. Additionally, single or paralleled devices can be selected to show relative overall performance of devices with various current ratings.

The tool warns if a selection is not appropriate, such as when voltage rating is insufficient for the conditions and topology chosen, helping the user to rapidly arrive at a viable solution.

All UnitedSiC FETs and Schottky diodes can be selected from sortable tables, which include devices in TO-220, TO-247, TO-247/4L and DFN8x8 packages and the recently launched Gen 4 750V devices.

“Selecting the right device in the right power topology shouldn’t be a barrier to power designers considering the switch to SiC,” says Anup Bhalla, VP engineering. ”For engineers working with SiC for the first time, or those looking for the best SiC device to fit evolving designs, the calculator is a quick and easy way to evaluate UnitedSiC FETs in a variety of power topologies – speeding up R&D by avoiding any wasted time creating advanced simulations for inappropriate devices,” he adds.

Tags: SiC power devices