A Nano Quiescent Current Power Management For Autonomous Wireless Sensor Network

F. Todeschini, C. Planat, P. Milazzo,S. Tricomi,P. Urard,P. Benabes

2013 IEEE 20TH INTERNATIONAL CONFERENCE ON ELECTRONICS, CIRCUITS, AND SYSTEMS (ICECS)（2013）

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摘要

A Nano quiescent current Power Management for Autonomous Wireless Sensor Network dedicated to indoor and outdoor Photovoltaic (PV) Energy Harvesting is presented. The standby current consumption is 130nA @ 2.4V. The battery can be charged with less than 5% of the harvested energy from low light (70 lux) to high light (1 sun). The IP starts charging at light level as low as 10 lux providing similar or equal to 1 mu W. The voltage range is 2.4V - 3.2V. The system load can be powered up to 400mA. This power management is manufactured using the CMOS 90nm technology in a 0.4mm(2) die area.

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关键词

power management,wireless sensor network,energy harvesting,ultra-low power consumption

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