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:
Mar. 31, 2015

Filed:

Oct. 14, 2013
Applicant:

Infineon Technologies Ag, Neubiberg, DE;

Inventors:

Dieter Draxelmayr, Villach, AT;

Karl Norling, Villach, AT;

Assignee:

Infineon Technologies AG, Neubiberg, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B 1/00 (2006.01); H03K 3/00 (2006.01); H03K 17/94 (2006.01); H02M 3/337 (2006.01); H02M 7/538 (2007.01); H03K 5/151 (2006.01); H03K 17/687 (2006.01);
U.S. Cl.
CPC ...
H03K 17/94 (2013.01); H02M 3/337 (2013.01); H02M 7/538 (2013.01); H03K 5/1515 (2013.01); H03K 2017/6875 (2013.01); H03K 2217/0081 (2013.01);
Abstract

In accordance with an embodiment, a driver circuit includes a low-side driver having a first output configured to be coupled to a control node of a first semiconductor switch, and a reference input configured to be coupled to a reference node of the first semiconductor switch. The low-side driver also includes a first capacitor coupled between an output node of the first semiconductor switch and a first node, a first diode coupled between the first node and a first power input of the driver, and a second capacitor coupled between the first power input of the low-side driver and the reference node of the first semiconductor switch.


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