ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,221, issued on Sept. 9, was assigned to STMicroelectronics International N.V. (Geneva).

"SOA protection of a power transistor" was invented by Sandor Petenyi (Lysa nad Labem, Czech Republic) and Lukas Buryanec (Trutnov, Czech Republic).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power circuit includes a power transistor coupled between input and output nodes and receiving a control signal. A current sensing current senses a power current provided by the power transistor to the output node and generates a sense voltage. A voltage sensing circuit senses a drain-to-source voltage of the power transistor and generates a VDS sense current. A safe op...