Circuit for and method of protecting overvoltage in universal serial bus interface

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11862964
APP PUB NO 20220224107A1
SERIAL NO

17707062

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Abstract

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A circuit to protect an overvoltage in a universal serial bus (USB) device include an overvoltage protection (OVP) switch connected to a pin of a USB receptacle and a switch controller to turn off the OVP switch when an overvoltage is detected such that power between the pin and the USB device is interrupted. The switch controller supplies a control signal to the OVP switch such that the OVP switch has a first on-resistance when the USB device is operating in a normal mode and no overvoltage is detected, and has a second on-resistance, higher than the first on-resistance, when the USB device is operating in a low-power mode and no overvoltage is detected.

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Patent Owner(s)

Patent OwnerAddress
SAMSUNG ELECTRONICS CO LTD129 SAMSUNG-RO YEONGTONG-GU SUWON-SI GYEONGGI-DO 16677

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Je-kook Yongin-si, KR 38 158

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