Temperature dependent power supply circuitry

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United States of America Patent

PATENT NO 9939827
SERIAL NO

13328917

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Abstract

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An integrated circuit having power supply circuitry configured to generate a temperature dependent power supply voltage is provided. The power supply circuitry may include temperature sensors formed at different regions on the integrated circuit. The power supply circuitry may use a selected one of the temperature sensors to vary the temperature dependent power supply voltage. The power supply circuitry may include voltage clamping circuitry configured to clip the power supply voltage to an upper fixed voltage level when the power supply voltage exceeds a first predetermined threshold and to clip the power supply voltage to a lower fixed voltage level when the power supply voltage falls below a second predetermined threshold. The power supply circuitry may also include voltage overshoot-undershoot protection circuitry configured to keep the temperature dependent power supply voltage within a specified voltage range in the presence of transient perturbations in the temperature dependent power supply voltage.

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Patent Owner(s)

Patent OwnerAddress
TAHOE RESEARCH LTDDUBLIN 15 D15 YH6H

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Ping-Chen Fremont, US 29 231
Philpott, Justin Jon San Francisco, US 3 2
Thiruveedhula, Ravi Santa Clara, US 3 10

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