Power management unit for battery assisted passive RFID tag

Power management unit for battery assisted passive RFID tag

A power management unit for a battery assisted passive radio frequency identification tag is proposed. The key building blocks are a two-stage wake-up circuit with 23 nA sleep current and process, voltage, and temperature insensitive wake-up detection performance. Wireless energy recycle is realised...

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Veröffentlicht in:Electronics letters 2010-04, Vol.46 (8), p.1-1
Hauptverfasser: Che, W, Chen, W, Meng, D, Wang, X, Tan, X, Yan, N, Min, H
Format: Artikel
Sprache:eng
Schlagworte:
Circuits
Electric batteries
Electric potential
Packages
Power management
Radio frequency identification
Voltage
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Zusammenfassung:A power management unit for a battery assisted passive radio frequency identification tag is proposed. The key building blocks are a two-stage wake-up circuit with 23 nA sleep current and process, voltage, and temperature insensitive wake-up detection performance. Wireless energy recycle is realised with up to 50 μA charge current. The circuits make it possbile to use tag package compatible thin-film batteries.
ISSN:0013-5194
1350-911X