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.

Date of Patent:
May. 26, 2020

Filed:

May. 29, 2019
Applicant:

Infineon Technologies Ag, Neubiberg, DE;

Inventors:

Albino Pidutti, Villach, AT;

Damiano Gadler, Klagenfurt, AT;

Ioannis Pachnis, Villach, AT;

Assignee:

Infineon Technologies AG, Neubiberg, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 7/217 (2006.01); H02M 1/14 (2006.01); H01L 27/06 (2006.01);
U.S. Cl.
CPC ...
H02M 7/217 (2013.01); H01L 27/0629 (2013.01); H02M 1/14 (2013.01);
Abstract

A rectifier device is described herein. In accordance with one embodiment, the rectifier device includes a semiconductor body doped with dopants of a first doping type and one or more well regions arranged in the semiconductor body and doped with dopants of a second doping type. The rectifier device further includes a controllable resistance circuit that is electrically connected between the semiconductor body and a first well region of one or more well regions and configured to provide a resistive current path between the semiconductor body and the first well region. The resistance of the current path is dependent on an instantaneous level of an alternating input voltage.


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