Circuit arrangement having a semiconductor switch for the switch

Details Circuit arrangement having a semiconductor switch for the switch Circuit arrangement having a semiconductor switch for the switch

1994-08-08

1995-12-26

Deboer, Todd

Electricity: electrical systems and devices

Safety and protection of systems and devices

Voltage regulator protective circuits

361 87, H02H 710

Patent

active

054793149

ABSTRACT:
In a circuit arrangement having a semiconductor switch for the switching of a load, in particular of a setting member in manual or automatic control devices, as a function of a switch signal which is fed, a device for disconnect in the event of a short-circuit being adapted to be controlled by a current sensor over a filter, the device for the disconnecting can furthermore be actuated via a logic circuit by the switch signal and by an output signal of a detector for an overvoltage at the semiconductor switch in such a manner that disconnect takes place when an overvoltage is present and the switch signal assumes a level intended for connection.

REFERENCES:
patent: 4441136 (1984-04-01), Hampshire
patent: 4979066 (1990-12-01), Kawata et al.

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