Power controller with low standby current drain

Details Power controller with low standby current drain Power controller with low standby current drain

1989-09-26

1990-05-15

Wong, Peter S.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363132, 363 60, 307270, 307584, H02M 3335, H02M 7537

Patent

active

049263544

ABSTRACT:
A power controller (30) comprising a plurality of MOSFET transistor switches (Q5, Q6, Q13, Q14) adapted to control the current flow through a load such as a DC motor (M), gated charge pump circuits (32a,b) are provided to control the conductivity of two (Q5, Q6) of the switches for applying driving voltages to the motor in response to direction defining control signals (/FWD, /REV) to control the direction of movement of the motor, the charge pump circuits are configured to provide for zero quiescent current flow.

REFERENCES:
patent: 4316243 (1982-02-01), Archer
patent: 4358728 (1982-11-01), Hashimoto
patent: 4733159 (1988-03-01), Edwards et al.
patent: 4802075 (1989-01-01), Bassols
patent: 4811192 (1989-03-01), Egawa
patent: 4864479 (1989-09-01), Steigerwald et al.

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