Design and implementation of a high efficient power converter for self-powered UHF RFID applications

Author

Chen, Cairong ; Nejad, Majid Baghaei ; Zheng, Li-Rong

Author_Institution

ECS/IMIT/ICT, R. Inst. of Technol., Stockholm

fYear

2006

fDate

27-28 June 2006

Firstpage

149

Lastpage

151

Abstract

This paper is an investigation of off-chip solution of power converters for passive UHF RFID transponders. The power converter, consisting of a chain of Schottky diodes and capacitors, is designed and then implemented on Rogers4350 PCB substrate. The ISM unlicensed frequency bands 915 MHz is used for RF signal. The de-embedded measurement results show that with minimum input power of -4.7dBm, the power converter achieves 1.8V/5muA output driving capability, which is sufficient for the transponder operation. It corresponds to a 3.6m operating distance when 4-W EIRP radiation is allowed

Keywords

Schottky diodes; power convertors; printed circuits; radiofrequency identification; transponders; 1.8 V; 5 muA; 915 MHz; EIRP radiation; Rogers4350 PCB substrate; Schottky capacitors; Schottky diodes; UHF radiofrequency identification transponders; power converters; Circuits; Electromagnetic scattering; Impedance matching; Passive RFID tags; Power supplies; Radio frequency; Radiofrequency identification; Schottky diodes; Transponders; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

High Density Microsystem Design and Packaging and Component Failure Analysis, 2006. HDP'06. Conference on

Conference_Location

Shanghai

Print_ISBN

1-4244-0488-6

Type

conf

DOI

10.1109/HDP.2006.1707583

Filename

1707583