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This paper introduces an efficient reconfigurable, multiple voltage gain switched-capacitor dc-dc buck converter as part of a power management unit for wearable electronics. The proposed switched-capacitor converter has an input voltage of 0.6 V to 1.2 V generated from an energy harvesting source. The switched-capacitor converter utilizes pulse frequency modulation to generate multiple regulated output...
The increase in demand for higher functionality, smaller size, lower cost and near perpetual operation of Wireless Sensor Nodes (WSNs) are posing big challenges for system designers. A major aspect is the operational lifetime of the system which is determined by the finite energy source supplied by the battery. In WSNs, the higher power incurred due to added system functionality and the increase leakage...
Wireless sensor networks (WSN) are used extensively to monitor a wide range of physical and environmental parameters. The collected data can then be used to make various decisions and control actions. The individual sensors nodes of a WSN typically consist of a processor, sensors, and transceiver. As the monitoring device of WSN is increasingly mobile, the need for efficient power management (PM)...
Wireless sensor nodes (WSN) are used extensively to monitor a wide range of physical and environmental parameters. Data acquisition, processing, storage and transmission are mandatory requirements for different applications. These nodes are expected to generate a correct representation of the sensed quantities, which is then used to make various decisions and control actions. This means that the node...
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