Methods and apparatus for reducing MOSFET body diode conduction

Details Methods and apparatus for reducing MOSFET body diode conduction Methods and apparatus for reducing MOSFET body diode conduction

1998-09-28

2000-08-22

Zweizig, Jeffrey

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

327112, H03B 100

Patent

active

061078441

ABSTRACT:
Methods and apparatus for operating first and second switches arranged in a half-bridge configuration are described. First and second gate voltages on the first and second gates, respectively, of the first and second switches are controlled such that the first switch is on and the second switch is off. One of the first and second gate voltages is controlled such that the corresponding one of the first and second switches operates as a constant current source. After one of the first and second switches has been operating as a constant current source, the second gate voltage is controlled such that the second switch is on and the first gate voltage is controlled such that the first switch is off.

REFERENCES:
patent: 4667144 (1987-05-01), Jones et al.
patent: 5576648 (1996-11-01), Rossi et al.
patent: 5598119 (1997-01-01), Thayer et al.
patent: 5828245 (1998-10-01), Brambilla et al.
patent: 5959475 (1999-09-01), Zomorrodi

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