The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 15, 2025
Filed:
Mar. 13, 2024
GM Global Technology Operations Llc, Detroit, MI (US);
Michael Z. Pieszala, Panama City, FL (US);
Benjamin S. Ngu, Royal Oak, MI (US);
Mohammad N. Anwar, Northville, MI (US);
Chandra S. Namuduri, Troy, MI (US);
Rashmi Prasad, Troy, MI (US);
Brian A. Welchko, Oakland Township, MI (US);
Yilun Luo, Ann Arbor, MI (US);
Khorshed Mohammed Alam, Canton, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A variable slew rate gate drive system for powering an electric machine. The system may include a gate driver operable for controlling each of a plurality of hybrid switch power modules between opened and closed states to facilitate powering the electric machine. The gate driver may be operable for selecting slew rates and controlling ON and OFF states of first and second semiconductor switches included as part of each power module to optimize powering of the electric machine by varying the slew rates as a function of performance characteristics of the first and second semiconductor switches.