Boosting technique for a bi-directional switch in a power...

Details Boosting technique for a bi-directional switch in a power... Boosting technique for a bi-directional switch in a power...

2011-03-15

2011-03-15

Laxton, Gary L (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C363S021060, C363S021140, C363S127000

Reexamination Certificate

active

07906953

ABSTRACT:
A bi-directional switch for a power converter comprises first and second transistors (SW1, SW2) and a floating supply capacitor (C2) associated with the second transistor (SW2). The drive circuit and/or gate of the first transistor (SW1) is charged by the floating supply capacitor (C2) of the second transistor (SW2). The charging takes place at a predetermined moment in the switching cycle, and in particular at a moment in the switching cycle when the voltage across the bi-directional switch is substantially a minimum.

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Williams, R, K; et al “Single Package 30-V Battery Disconnect Switch Facilitates Battery Multiplexing in Notebook Computers” Applied Power Electronics Conference and Exposition, 1998. vol. 2, Feb. 15, 1998, pp. 691-699.

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