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:
May. 16, 2023
Filed:
Feb. 24, 2017
Applicant:
Cree Fayetteville, Inc., Fayetteville, AR (US);
Inventors:
Austin Curbow, Fayetteville, AR (US);
Daniel Martin, Fayetteville, AR (US);
Assignee:
WOLFSPEED, INC., Durham, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/18 (2006.01); H03K 17/16 (2006.01); H03K 17/06 (2006.01); H03K 5/08 (2006.01); H05K 1/14 (2006.01); H05K 7/14 (2006.01);
U.S. Cl.
CPC ...
H03K 17/165 (2013.01); H03K 5/08 (2013.01); H03K 17/063 (2013.01); H03K 17/168 (2013.01); H05K 1/145 (2013.01); H05K 1/181 (2013.01); H05K 1/182 (2013.01); H05K 7/1432 (2013.01); H03K 17/163 (2013.01); H03K 2017/066 (2013.01); H05K 2201/042 (2013.01); H05K 2201/10166 (2013.01);
Abstract
A power module apparatus includes a power substrate, at least one power device electrically connected to the power substrate and a gate-source board mounted relative to the power substrate, the gate-source board electrically connected to the at least one power device, a housing secured to the power substrate, and a clamping circuit electrically connected to the at least one power device. The clamping circuit being configured to reduce a voltage charge up at a gate of the at least one power device to within 8 V of a desired voltage.