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Qorvo boosts performance in 750V EV designs

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SiC FET offers 9mΩ RDS(on) to reduce conduction losses and maximise efficiency

Qorvo has launched an automotive-qualified SiC FET offering what it believes is an industry-best 9mΩ RDS(on) in a compact D2PAK-7L package.

This 750V SiC FET is the first in a new family of pin-compatible SiC FETs from Qorvo with RDS(on) options up to 60mΩ, making them well suited for electric vehicle (EV) applications, including on-board chargers, DC/DC converters and positive temperature coefficient (PTC) heater modules.

The UJ4SC075009B7S features a 9mΩ typical RDS(on) at 25°C needed for reducing conduction losses and maximising efficiency in high voltage, multi-kilowatt automotive applications. Its small, surface-mount package enables automated assembly flows and reduces customer manufacturing costs. This new 750V family complements Qorvo’s existing 1200V and 1700V automotive SiC FETs in D2PAK packaging to form a complete portfolio addressing EV applications that span 400V and 800V battery architectures.

Ramanan Natarajan, director of Product Line Marketing for Qorvo’s Power Products, said, “The launch of this new family of SiC FETs demonstrates our commitment to providing EV powertrain designers the most advanced and efficient solutions for their unique automotive power challenges.”

These fourth generation SiC FETs use Qorvo’s cascode circuit configuration, in which a SiC JFET is co-packaged with a Si MOSFET to produce a device with the efficiency advantages of wide bandgap switch technology and the simpler gate drive of silicon MOSFETs.

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