Current limited bilateral MOSFET switch with reduced switch...

Details Current limited bilateral MOSFET switch with reduced switch... Current limited bilateral MOSFET switch with reduced switch...

2005-12-07

2008-11-25

Sherry, Michael J (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

C361S057000

Reexamination Certificate

active

07457092

ABSTRACT:
A circuit and method for controlling a MOSFET based switch that includes two back-to-back FET to block current flow in the OFF state irrespective of the polarity of the voltage differential across the switch. The MOSFET based switch further has a built-in current limit function by sensing the current flow through one of the two MOSFET switches. Furthermore, the bilateral current-limited switch further includes circuitry required for controlling both P type and N type FET in either common drain or common source configuration.

REFERENCES:
patent: 3532899 (1970-10-01), Wolterman et al.
patent: 4429339 (1984-01-01), Jaeschke et al.
patent: 5359552 (1994-10-01), Dhong et al.
patent: 6160693 (2000-12-01), Sairanen
patent: 7102951 (2006-09-01), Paillet et al.

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