资料介绍
The proliferation of ultralow power wireless sensor nodes for measurement and control, combined with new energy harvesting technology, has made it possible to produce completely autonomous systems that are powered by local ambient energy instead of batteries. Powering a wireless sensor node from ambient or “free” energy is attractive because it can supplement or eliminate the need for batteries or wires. This is a clear benefit when battery replacement or servicing is inconvenient, costly or dangerous. October 2010 Volume 20 Number 3
I N T H I S I S S U E
Ultralow Voltage Energy Harvester
12 Uses Thermoelectric Generator for
4- and 6-supply monitors
feature ±1.5% accuracy for
Battery-Free Wireless Sensors
rails down to 1.2V 17
David Salerno
4mm × 7mm IC produces The proliferation of ultralow power wireless sensor nodes for
multiple power rails from a measurement and control, combined with new energy harvesting
single Li-ion ce
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