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:
Jul. 19, 2022

Filed:

Feb. 14, 2020
Applicant:

Infineon Technologies Ag, Neubiberg, DE;

Inventors:

Johannes Georg Laven, Taufkirchen, DE;

Thomas Basler, Riemerling, DE;

Hans-Joachim Schulze, Taufkirchen, DE;

Assignee:

Infineon Technologies AG, Neubiberg, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 3/20 (2006.01); H01L 23/528 (2006.01); H01L 27/02 (2006.01); H01L 29/06 (2006.01); H01L 29/10 (2006.01); H01L 29/417 (2006.01); H01L 29/423 (2006.01); H01L 29/78 (2006.01); H02H 7/122 (2006.01); H02M 1/00 (2006.01); H02M 3/135 (2006.01); H02M 7/44 (2006.01); H02M 7/48 (2007.01); H01L 27/082 (2006.01); H01L 27/088 (2006.01); H01L 29/739 (2006.01);
U.S. Cl.
CPC ...
H02H 3/202 (2013.01); H01L 23/528 (2013.01); H01L 27/0255 (2013.01); H01L 29/06 (2013.01); H01L 29/0611 (2013.01); H01L 29/0619 (2013.01); H01L 29/0696 (2013.01); H01L 29/1033 (2013.01); H01L 29/1045 (2013.01); H01L 29/41708 (2013.01); H01L 29/4236 (2013.01); H01L 29/42324 (2013.01); H01L 29/42336 (2013.01); H01L 29/7397 (2013.01); H01L 29/78 (2013.01); H02H 7/1225 (2013.01); H02M 1/00 (2013.01); H02M 3/135 (2013.01); H02M 7/44 (2013.01); H02M 7/48 (2013.01); H01L 27/088 (2013.01); H01L 27/0825 (2013.01); H01L 29/1095 (2013.01); H01L 2924/0002 (2013.01);
Abstract

A power inverter includes a bridge circuit including a first half-bridge and a second half-bridge, each half-bridge including a high-side device and a low-side device, and a gate driver circuit connected with each gate of the high-side device and low-side power device of the first and second half-bridges and operable to provide each gate with a respective voltage to control operation of the respective power device. The gate driver is operable to provide a first voltage which is higher than a first threshold voltage of the respective power device, and a second voltage which is higher than a surge threshold of the respective power device. The surge threshold is higher than the first threshold and defines the onset of a surge current operation area of the respective power device at which the power device becomes conducts a surge current that is larger than the rated current of the device.


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