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U.S. Department of Energy
Office of Scientific and Technical Information

Power management for wireless nodes

Patent ·
OSTI ID:1893097

A system includes a rectifier having an input configured to receive a variable AC input voltage and convert the AC input voltage to a rectified output voltage. A power converter has an input coupled to receive the rectified output voltage and to provide a DC supply voltage at an output thereof. A low drop-out regulator has an input coupled to receive the supply voltage and is configured provide a regulated voltage. A sensor is coupled to receive the regulated voltage as a power source and is configured to sense a condition and provide sensor data indicative of the sensed condition.

Research Organization:
Case Western Reserve Univ., Cleveland, OH (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
EE0006719
Assignee:
Case Western Reserve University (Cleveland, OH)
Patent Number(s):
11374502
Application Number:
16/497,670
OSTI ID:
1893097
Resource Relation:
Patent File Date: 04/02/2018
Country of Publication:
United States
Language:
English

References (8)

Single transducer for data and power in wirelessly powered devices patent July 2018
Converter And Method For Extracting Maximum Power From Piezo Vibration Harvester patent-application September 2011
Energy Harvesting for Wireless Sensor Operation and Data Transmission patent-application May 2005
Low consumption linear voltage regulator with high supply line rejection patent August 1999
CMOS temperature sensor patent December 2002
Circuits And Methods For Adjustable Peak Inductor Current And Hysteresis For Burst Mode In Switching Regulators patent-application February 2008
Sensor Data Acquisition System with Integrated Power Management patent-application August 2016
Low-ripple power rectifier system patent January 1983

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