Isolation circuit systems and methods thereof

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United States of America Patent

PATENT NO 12028028
APP PUB NO 20210359650A1
SERIAL NO

17390560

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A digital isolator device which includes a first input buffer configured to receive a first differential signal from a transmitter and to provide a second differential signal, the first differential signal being characterized by a first magnitude, the second differential signal being characterized by a second magnitude, the first magnitude being greater than the second magnitude. The device also includes a second input buffer configured to receive a third differential signal from the transmitter and to provide a fourth differential signal, the second input buffer being coupled to the second ground terminal. The device also includes a common-mode circuit coupled to the second differential signal and the fourth differential signal, the common-mode circuit being configured to reduce a common-mode transient voltage, the common-mode transient voltage being associated with a voltage differential between the first ground terminal and the second ground terminal.

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Patent Owner(s)

Patent OwnerAddress
2PAI SEMICONDUCTOR CO LIMITEDROOM 19307 BUILDING 8 NO 498 GUOSHOUJING ROAD CHINA (SHANGHAI) PILOT FREE TRADE ZONE SHANGHAI 201203

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dong, Zhiwei Shanghai, CN 23 528

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