凌力尔特模拟创新杂志 (APRIL 2010)

Advancesinlowpowertechnologyaremakingiteasiertocreatewirelesssensornetworksinawiderangeofapplications,fromremotesensingtoHVACmonitoring,assettrackingandindustrial.automation.Theproblemisthatevenwirelesssensorsrequirebatteriesthatmustberegularlyreplaced—acostlyandcumbersomemaintenanceproject.Abetterwirelesspowersolutionwouldbetoharvestambientmechanical,thermalorelectromagneticenergyfromthesensor’slocalenvironment.April2010Volume20Number1INTHISournewlook2ISSUEEnergyHarvesterProducesPowerdualoutputstep-downfromLocalEnvironment,EliminatingBatteriesinWirelessSensorsregulatorwithDCRsensingina5mm×5mmQFN9MichaelWhitakeraccuratebatterygasgaugeswithI2Cinterface12Advancesinlowpowertechnologyaremakingiteasiertocreatedualbuckregulatorwirelesssensornetworksinawiderangeofapplications