Systems and methods for calibrating temperature sensors

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United States of America Patent

PATENT NO 11519795
APP PUB NO 20210088389A1
SERIAL NO

16581659

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Abstract

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Embodiments of a device and method are disclosed. In an embodiment, a calibration circuit for a temperature sensor circuit includes a current source configured to generate a temperature independent reference current and further includes a voltage window generator circuit. The voltage window generator circuit is configured to generate a voltage window for the temperature sensor circuit using at least the temperature independent reference current. The voltage window is defined by a first reference voltage and a second reference voltage. The voltage window generator circuit is further configured to control a width of the voltage window to include a range of proportional to absolute temperature (PTAT) voltage outputs of a temperature sensor in the temperature sensor circuit.

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Patent Owner(s)

  • NXP USA, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ma, Xu Jason Chandler, US 7 2
Maalouf, Elie A Mesa, US 29 147

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