High voltage MOS SCR and power MOSFET "H" switch circuit for a D

Details High voltage MOS SCR and power MOSFET "H" switch circuit for a D High voltage MOS SCR and power MOSFET "H" switch circuit for a D

1986-06-30

1987-03-10

Shoop, Jr., William M.

Electricity: motive power systems

Motor-reversing

Armature or primary circuit control

318287, 318291, 318294, 318345G, H02P 122

Patent

active

046493263

ABSTRACT:
An MOS SCR and MOSFET "H" switch circuit for a DC motor is provided which allows for the use of a supply voltage of greater than 20 volts by clamping the gate-to-cathode voltage of the SCR's used therein to a predetermined value which is less than the gate-to-cathode breakdown voltage of said SCR's.

REFERENCES:
patent: 4454454 (1984-06-01), Valentine
patent: 4575662 (1986-03-01), Lehnhoff

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