Voltage sensors for supply capacitor in passive UHF RFID transponders

被引：0
|
作者：
Morales-Ramos, R. [1 ]
Montiel-Nelson, Juan A. [1 ]
Berenguer, R. [2 ]
Garcia-Alonso, A. [2 ]
机构：
[1] Univ Las Palmas GC, Inst Appl Microelect, Las Palmas Gran Canaria, Spain
[2] CEIT, San Sebastian, Spain
来源：
DSD 2006: 9TH EUROMICRO CONFERENCE ON DIGITAL SYSTEM DESIGN: ARCHITECTURES, METHODS AND TOOLS, PROCEEDINGS | 2006年
关键词：
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents two very low-power consumption voltage-sensor circuits for the supply capacitor in passive UHF RFID transponders. The proposed circuits are key points in a battery-life-free RFID tag, by sensing the charge stored in a supply capacitor, and enabling the rest of the system when enough charge is available. In comparison to previous published circuits, the average current of our circuits is one order of magnitude lower. The average current consumption for our solutions is below 100 nA, for a supply voltage between 2.5 V and 3.3 V. In addition, we have proposed some modifications to the best published results; and diminished the power consumption one order of magnitude.
引用
收藏
页码：625 / +
页数：2
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