Output circuit of PWM inverter

Details Output circuit of PWM inverter Output circuit of PWM inverter

1993-10-29

1994-09-13

Stephan, Steven L.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 41, 363132, H02M 544

Patent

active

053474449

ABSTRACT:
An inexpensive output circuit of a PWM inverter for PWM controlling a coil voltage of a motor with small control error of voltage at a motor winding terminal and low power consumption includes an N channel power MOS-FET, a P channel power MOS-FET, a current control circuit 1 having a current output terminal, and a current control circuit 2 having a current input terminal. A current flowing out from the current output terminal of the current control circuit 1 and a current flowing in from the current input terminal of the current control circuit 2 are subjected to particular control to thereby control the N channel power MOS-FET and the P channel power MOS-FET.

REFERENCES:
patent: 4777579 (1988-10-01), Jahns et al.
patent: 4934822 (1990-06-01), Higaki
patent: 5063338 (1991-11-01), Capel et al.

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