Multi-voltage bootstrapping drivers

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12149232
APP PUB NO 20230179195A1
SERIAL NO

18062698

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Abstract

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A bootstrapping circuit that utilizes multiple pre-charged capacitor voltages and applies the capacitor voltages to the high side FET of a GaN bootstrapping driver. During the pre-charging phase of the bootstrapping driver, multiple capacitors are charged in parallel to the supply voltage. During the driving phase of the bootstrapping driver, the capacitors are connected in series through a number of FETs and connected to the gate terminal of the high side FET of the bootstrapping driver. As a result, the gate-to-source voltage of the high side FET is equal to or greater than the supply voltage during the driving phase, increasing the driving capability of the high side FET and reducing the total required capacitance and die area of the bootstrapping driver.

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Patent Owner(s)

Patent OwnerAddress
EFFICIENT POWER CONVERSION CORPORATION909 N PACIFIC COAST HIGHWAY SUITE 230 EL SEGUNDO CA 90245

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ananth, Ravi Laguna Niguel, US 15 22
Chapman, Michael Long Beach, US 40 319
Lee, Edward Fullerton, US 162 1445

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