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SemiQ Unveils QSiC Power Modules in Half-Bridge Packages


SemiQ has expanded its QSiC power modules portfolio with the introduction of a new series of 1200V SiC power MOSFETs in half-bridge packages.

Engineered and tested to operate reliably in demanding environments, these new compact, high-performance modules enable high-power-density implementations while minimizing dynamic and static losses. Featuring high breakdown voltage (>1400V), the new QSiC modules support high-temperature operation (Tj = 175°C) with low Rds(On) shift over the full temperature range. In addition, the modules are claimed to have industry-leading gate oxide stability and long gate oxide lifetime, avalanche unclamped inductive switching (UIS) ruggedness and long short-circuit withstand time.

With a solid foundation of high-performance ceramics, the new SiC modules are suitable for EV charging, on-board chargers (OBCs), DC-DC converters, E-compressors, fuel cell converters, medical power supplies, photovoltaic inverters, energy storage systems, solar and wind energy systems, data center power supplies, UPS/PFC circuits, Vienna rectifiers, and other automotive and industrial applications.

To ensure that each module has a stable gate threshold voltage and high-quality gate oxide, SemiQ’s modules undergo gate burn-in testing at the wafer level. Besides the burn-in test, which helps to stabilize the extrinsic failure rate, stress tests such as gate stress, high-temperature reverse bias (HTRB) drain stress, and high humidity, high voltage, high temperature (H3TRB) allow achieving the required automotive and industrial grade quality levels. The devices also have extended short-circuit ratings. All modules have undergone testing exceeding 1350V.

Timothy Han, President at SemiQ, said, “SemiQ's commitment to reliability and testing sets us apart in the semiconductor industry. Our high-performance QSiC 1200 V MOSFET modules are proven to withstand challenging conditions, enabling engineers to develop reliable systems for the renewable, automotive, medical, and industrial sectors.”

SemiQ’s new 1200V 5 mΩ, 10 mΩ, and 20 mΩ SiC MOSFET are available in industry standard half-bridge packages. A table with part numbers is shown above.

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