Lossless gate drivers for high-frequency PWM switching cells

Details Lossless gate drivers for high-frequency PWM switching cells Lossless gate drivers for high-frequency PWM switching cells

1994-06-27

1996-05-07

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

327108, 327427, 327440, 363 98, H01H 3600

Patent

active

055149219

ABSTRACT:
A gate driver circuit, including either a full-bridge or a half-bridge configuration of gate drive switching devices, is capable of applying gate drive signals of variable pulse widths in a substantially loss,less manner to power switching devices of a high-frequency resonant switching converter, while providing transformer isolation between the gate drive electronics and the power switching devices.

REFERENCES:
patent: 4593204 (1986-06-01), McMurray
patent: 4912622 (1990-03-01), Steigerwald et al.
patent: 4937470 (1990-06-01), Zeiler
patent: 5302862 (1994-04-01), Steigerwald
patent: 5408150 (1995-04-01), Wilcox
patent: 5430633 (1995-07-01), Smith
"High-Frequency Switching Circuits Operable in a Natural Zero-Voltage Switching Mode," RL Steigerwald, Ser. No. 08/262,177, (GE Docket No. RD-23,039), filed Jun. 20, 1994.

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