United Silicon introduces new SiC FET Gen 4 technology

Industry’s first 750V devices set performance benchmarks for high-growth power applications

UnitedSiC, a leading manufacturer of silicon carbide (SiC) power semiconductors, has launched the first four devices based on its advanced Gen 4 SiC FET technology platform. The first 750V SiC FETs currently available on the market.

UnitedSiC introduces new SiC FET devices based on
advanced Gen 4 technology

Industry’s first 750V devices set performance benchmarks for high-growth power applicationsUnitedSiC, a leading manufacturer of silicon carbide (SiC) power semiconductors, has launched the first four devices based on its advanced Gen 4 SiC FET technology platform. As the first and only 750V SiC FETs currently available on the market, these Gen 4 devices enable new performance levels, based on leadership Figures of Merit (FoM), that benefit power applications across automotive, industrial charging, telecom rectifiers, datacenter PFC, and DC-DC conversion as well as renewable energy and energy storage.

Available in 18 and 60 mOhm options, these new SiC FETs deliver unmatched FoMs with reduced on-resistance per unit area, and low intrinsic capacitance. In hard-switching applications, the Gen 4 FETs exhibit the lowest RDS(on) x EOSS (mohm-uJ) resulting in lower turn-on and turn-off loss. In soft-switching applications, their low RDS(on) x Coss(tr) (mohm-nF) specification provides lower conduction loss and
higher frequency. These devices not only surpass existing competitive SiC MOSFET performance whether running cool (25C) or hot (125C), but also offer the lowest integral diode VF with excellent reverse recovery delivering low dead-time losses and increased efficiency. 

In expanding UnitedSiC’s offering to 750V, the new devices offer more designer headroom and reduced design constraints. This higher VDS rating also makes these FETs beneficial for 400/500V bus voltage applications.  With a widely compatible gate drive of +/-20V, 5V Vth, all devices can be driven with 0 to +12V gate voltages.

 As Anup Bhalla, VP Engineering at UnitedSiC, explains: “These devices help address the challenges facing engineers working across sectors with the highest voltage and power demands - from DC-DC conversion and on-board charging to power factor correction and solar inverters.

 

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