Brown-out detector and power-on-reset circuit

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United States of America Patent

PATENT NO 9917577
SERIAL NO

15253731

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A brown-out detector and power-on-reset circuit can be used to monitor a supply voltage to determine when brown-out and power-on events occur and provide the appropriate reset signal in response. The circuit can include a comparator to generate the reset signal and a first monitoring circuit that operates in conjunction with a second monitoring circuit to provide an input voltage to the comparator. The first monitoring circuit can incorporate a bandgap circuit and can be used to control the input voltage based on the comparison of the supply voltage and a corresponding supply voltage threshold. The second monitoring circuit can incorporate a diode and can be used when the supply voltage is lower than a threshold voltage for the bandgap circuit. The second monitoring circuit can be used to control the input voltage based on a comparison of the supply voltage and a threshold voltage for the diode.

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Patent Owner(s)

Patent OwnerAddress
BLOCK INC1955 BROADWAY SUITE 600 OAKLAND CA 94612

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Julavittayanukool, Kajornsak Toronto, CA 8 45
Rezayee, Afshin Richmond Hill, CA 73 745
Rousson, Alain Toronto, CA 8 45
Shivnaraine, Ravi Brampton, CA 11 45
Yang, Yue Thornhill, CA 181 1146

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