Adaptive gate drive voltage circuit

Details Adaptive gate drive voltage circuit Adaptive gate drive voltage circuit

2007-09-04

2007-09-04

Patel, Rajnikant B. (Department: 2838)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Parallel controlled paths

C327S389000, C323S313000

Reexamination Certificate

active

11207507

ABSTRACT:
A circuit and method for reducing losses in a DC/DC converter by optimizing gate drive voltage. The circuit and method detect a change in the output load, or more specifically the output current, and adjust the gate voltage accordingly; in other words, providing adaptive gate drive voltage. In response to a reduction of output current, the invention reduces the gate voltage so as to reduce both conduction and switching losses in the semiconductor switching devices in the output stage.

REFERENCES:
patent: 5408150 (1995-04-01), Wilcox
patent: 5731731 (1998-03-01), Wilcox et al.
patent: 6157182 (2000-12-01), Tanaka et al.
patent: 6229289 (2001-05-01), Piovaccari et al.

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