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. 28, 2025
Filed:
Mar. 23, 2023
Applicant:
Infineon Technologies Austria Ag, Villach, AT;
Inventors:
Florin-Silviu Dumitru, Bucharest, RO;
Niranjan Reddy Suravarapu, Villach, AT;
Alexandra-Oana Petroianu, Bucharest, RO;
Assignee:
INFINEON TECHNOLOGIES AUSTRIA AG, Villach, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/32 (2007.01); H02M 3/158 (2006.01);
U.S. Cl.
CPC ...
H02M 1/32 (2013.01); H02M 3/158 (2013.01);
Abstract
A protection device includes a first protection stage comprising a first p-type transistor comprising a first terminal, a second terminal, and a first gate terminal. A first voltage regulating device is connected between the first terminal and the second terminal. A second voltage regulating device is connected between the first terminal and the first gate terminal. A third voltage regulating device is connected to the first gate terminal. A first current source is connected to the first gate terminal.