High voltage bridge interface

Details High voltage bridge interface High voltage bridge interface

1990-02-26

1990-10-30

Stephan, Steven L.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

363 17, 363 98, H02M 75387

Patent

active

049673360

ABSTRACT:
A high voltage bridge interface circuit is provided for AC and brushless DC motor control having a high voltage isolation circuit and drive circuits which simplify the high voltage interface and reduce the total system integration effort. The isolation circuit provides the high voltage unilateral isolation between the control circuit and the high voltage power supply conductors, while the drive circuits improve the noise immunity at the gate termimals of the power MOSFET bridge. The high voltage bridge interface circuit is partitioned by providing the high voltage interface within one IC thereby permitting the integration of the discrete components of the power MOSFET drive circuits and simplifying the overall system integration.

REFERENCES:
patent: 4513362 (1985-04-01), Aizawa
patent: 4546422 (1985-10-01), Okado
patent: 4597037 (1986-06-01), Okado
patent: 4819157 (1989-04-01), Hirose et al.
patent: 4903187 (1990-02-01), Doi et al.
patent: 4905135 (1990-02-01), Unehara et al.

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