US Patent Issued to Wisconsin Alumni Research Foundation on July 14 for "High-efficiency drive circuit and bidirectional FET" (Wisconsin Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,482, issued on July 14, was assigned to Wisconsin Alumni Research Foundation (Madison, Wis.).

"High-efficiency drive circuit and bidirectional FET" was invented by Chirag Gupta (Madison, Wis.), Shubhra S. Pasayat (Middleton, Wis.) and Daniel Ludois (Middleton, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drive system suitable for motors and the like employs bidirectional FETs with active gate current sourcing and sinking to eliminate series diode losses. In one embodiment, the bidirectional FETs have floating field plates that can be dynamically biased according to device polarity."

The patent was filed on Sept. 21, 2023, under Application...