Patent · US Active

Method and device for short circuit detection in power semiconductor switches

US10254327B2 · kind B2 · utility

2Cited by

4References

14Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Anton Mauder · Kolbermoor, DE
Stefan Hain · Rückersbach, DE
Mark-Matthias Bakran · Erlangen, DE

Key dates

Filing date	Mar 2, 2016
Grant date	Apr 9, 2019
Priority date	—
Expiry date	Feb 10, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH03K17/0826
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Devices and methods are provided, which detect a short circuit condition related to a semiconductor switch. A short circuit condition may be determined when a control signal of the switch exceeds a first reference, and a change of load current of the switch exceeds a second reference.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.