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:
Oct. 06, 2020
Filed:
Oct. 25, 2019
Applicant:
Abb Schweiz Ag, Baden, CH;
Inventors:
Uwe Drofenik, Zürich, CH;
Francisco Canales, Baden-Dättwil, CH;
Chunlei Liu, Oberrohrdorf, CH;
Franziska Brem, Küsnacht, CH;
Assignee:
ABB Schweiz AG, Baden, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/32 (2007.01); H01L 25/065 (2006.01); H03K 17/567 (2006.01); H03K 17/687 (2006.01);
U.S. Cl.
CPC ...
H02M 1/32 (2013.01); H01L 25/0657 (2013.01); H03K 17/567 (2013.01); H03K 17/687 (2013.01);
Abstract
A power module included a plurality of normally-on semiconductor switches based on a wide bandgap substrate, the normally-on semiconductor switches connected in parallel; and a balancing unit including a capacitor and a balancing semiconductor switch connected in series, which are connected in parallel to the normally-on semiconductor switches.