Semiconductor protection circuit

Details Semiconductor protection circuit Semiconductor protection circuit

2005-05-10

2005-05-10

Sircis, Brian (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

C361S093700, C361S093900, C327S427000, C307S125000, C307S126000

Reexamination Certificate

active

06891707

ABSTRACT:
In a semiconductor protection circuit comprising a low speed protection circuit having an overcurrent detector for detecting an overcurrent of a predetermined switching element and turning off the semiconductor switching element following detection of the overcurrent, and a high speed protection circuit turning off the semiconductor switching element based on a voltage signal proportional to an output voltage of the semiconductor switching element.

REFERENCES:
patent: 6-53795 (1994-02-01), None
patent: 7-183781 (1995-07-01), None
patent: 9-64707 (1997-03-01), None
patent: 11-68535 (1999-03-01), None

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