Motor driving apparatus having back-gate-floating MOSFET for avo

Details Motor driving apparatus having back-gate-floating MOSFET for avo Motor driving apparatus having back-gate-floating MOSFET for avo

1998-07-30

2000-03-28

Sircus, Brian

Electricity: motive power systems

Switched reluctance motor commutation control

318801, 318811, H02K 2300

Patent

active

060436182

ABSTRACT:
In an apparatus for driving a motor including first and second terminals, a back-gate-floating MOSFET has a drain connected to the first terminal. A bridge circuit is connected between the source of the back-gate-floating MOSFET and the second terminal, and supplies a load current to the motor. A step-up circuit is connected to the first terminal and the gate of the back-gate-floating MOSFET, and controls the back-gate-floating MOSFET in accordance with a voltage at the first terminal.

REFERENCES:
patent: 4319174 (1982-03-01), Cook et al.
patent: 5455496 (1995-10-01), Williams et al.
patent: 5504402 (1996-04-01), Menegoli
patent: 5508874 (1996-04-01), Williams et al.
patent: 5543734 (1996-08-01), Volk et al.

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