Dynamic over-voltage protection scheme for...

Details Dynamic over-voltage protection scheme for... Dynamic over-voltage protection scheme for...

2007-06-12

2007-06-12

Mullins, Burton S. (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

Reexamination Certificate

active

11007954

ABSTRACT:
An integrated circuit having a transistor device and over-voltage protection circuitry. The transistor device is implemented in a technology having a specified operating-voltage range, the transistor device having gate, drain, source, and tub nodes, and the specified operating-voltage range having a specified maximum voltage. The over-voltage protection circuitry is adapted to apply gate and tub voltages to the gate and tub nodes, respectively. If at least one channel voltage applied to at least one of the drain and source nodes exceeds the specified maximum voltage, then the over-voltage protection circuitry controls at least one of the gate voltage and the tub voltage to inhibit one or more adverse effects to the transistor device.

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