SiC power modules halve power losses in inverters

SiC power modules halve power losses in inverters

Technology News |
By eeNews Europe

Based on Cree’s C2M SiC MOSFET and Z-Rec SiC Schottky diode technology, the six-pack module enables designers to unlock the traditional constraints of power density, efficiency, and cost associated with Si-based inverters used in industrial power conversion systems.

Cummins, Inc., a global power leader in electrical power generation systems, has tested and confirmed the capabilities of Cree’s all-SiC 1.2 kV six-pack power module family in their inverter platform.   Engineers at Cummins are working to integrate and exploit these capabilities with their next generation, high efficiency products.

"Cree’s new 1.2kV all-SiC six-pack module family will allow us to increase the power rating of our class-leading inverter by 40 percent while reducing power losses by 50 percent to increase efficiency by 5 percent," said Brad Palmer, power electronics product line architect, Cummins, Inc. "This new power module is a significant technological advancement, capable of outperforming Si IGBT modules with four times the current rating."

The all-SiC 1.2 kV, 20A six-pack claims to feature the industry’s lowest switching losses due to the zero turn-off tail current in the MOSFET and the zero reverse recovery current in the Schottky diode. When compared to similar Si IGBT modules, the Cree 20A six-pack module operates at a much lower junction temperature allowing designers to aggressively pursue new paradigms in high frequency and power density without compromising on efficiency.

Cree’s new all-SiC 1.2 kV, 20A six-pack power module (CCS020M12CM2) and companion gate driver evaluation board (CGD15FB45P) are available at authorized distributors, including Mouser, Digi-Key, and Richardson RFPD/Arrow RF & Power.

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