ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,539, issued on April 21, was assigned to LG Energy Solution Ltd. (Seoul, South Korea).
"Switch mode pre-charge circuit" was invented by Lilu Wang (Garland, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A switch mode control circuit, comprising a battery link configured to connect to a battery, a capacitor link configured to connect to a capacitor, and a pre-charge circuit connected in series between the battery link and the capacitor link configured to limit inrush current to the capacitor during initial power connection. The pre-charge circuit includes a switching mechanism configured to alternate between an open state and a closed state, a...