Motor control circuit and motor drive system using the same

Details Motor control circuit and motor drive system using the same Motor control circuit and motor drive system using the same

1993-07-06

1996-06-04

Shoop, Jr., William M.

Electricity: motive power systems

Switched reluctance motor commutation control

318801, 318439, 323223, 323265, 327480, 327490, H02P 700

Patent

active

055236600

ABSTRACT:
A first current mirror circuit for driving a first output stage transistor to flow out current to a coil in a motor is disposed between a power source voltage line and a reference voltage line, and a second current mirror circuit for driving a second output stage transistor to receive a current flowing out from the coil of the motor is disposed between a reference voltage line and a ground line.

REFERENCES:
patent: 4464588 (1984-08-01), Wieser
patent: 4634956 (1987-01-01), Davis et al.
patent: 4908527 (1990-03-01), Van Antwerp
patent: 4922131 (1990-05-01), Anderson
patent: 4939442 (1990-07-01), Carvajal et al.
patent: 5087891 (1992-02-01), Cytera
patent: 5160873 (1992-11-01), Tukiyama et al.
patent: 5187389 (1993-02-01), Hall et al.
patent: 5229658 (1993-07-01), Ide et al.
patent: 5289425 (1994-02-01), Horiguchi et al.

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