Protection arrangement for protecting a power semiconductor...

Details Protection arrangement for protecting a power semiconductor... Protection arrangement for protecting a power semiconductor...

2011-01-25

2011-01-25

Fureman, Jared J (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Circuit interruption by thermal sensing

C361S093800, C361S093900

Reexamination Certificate

active

07876545

ABSTRACT:
A protection arrangement for a power semiconductor component made of a plurality of cells, in which a current sensor made of a current sense transistor and current sense resistors and also a temperature sensor, is disclosed. The current sense transistor and the temperature sensor are provided in a gap or in different gaps between the cells, while the current sense resistor is fitted directly on at least one cell. The temperature sensor may, include a plurality of stages which are located from the center of the power semiconductor component to an edge of the latter in the gap between two cells.

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“AND8140/D: Smart HotPlug Current Limit Function”; ON Semiconductor; Nov. 2004—Rev. I.
“NIS5101: Smart Hotplug IC/Inrush Limiter/Circuit Breaker”; ON Semiconductor; Feb. 2005—Rev. 15.

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