Low-threshold CMOS rectifier design for energy harvesting in biomedical sensors

CMOS rectifier; Hybrid energy harvesting; Biosensors; CMOS integrated circuits; Energy harvesting; Energy transfer; Integrated circuit design; Rectifying circuits; Biomedical sensors; Circuit performance; Energy harvesting systems; Experimental analysis; Hybrid energy harvesters; Power conditioning; Power transfer efficiency; Electric rectifiers

Abstract :

[en] The power transfer efficiency of energy harvesting systems is strongly dependent on the power conditioning circuits, especially rectifiers. The voltage drop across rectifier and its leakage current can drastically influence the efficiency. The hybrid energy harvesters impose even more severe constraints on the rectifier. The low Vth transistors and bulk regulation technique are used in this work to mitigated the voltage drop and leakage current, respectively. It has been shown that the bulk regulation stops the current leakage through body of PMOS transistor. A near zero threshold cross connected CMOS rectifier is presented in this work using the standard 180nm UMC technology and experimental analysis are carried out to evaluate the circuit performance. © 2015 ICST.

Disciplines :

Electrical & electronics engineering

Author, co-author :

Mohammadi, A.; Biomedical Integrated Circuits and Sensors Research Lab, Department of Electrical and Computer Systems Engineering, Monash University, Clayton, VIC 3800, Australia

Redouté, Jean-Michel ; Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes microélectroniques intégrés

Yuce, M. R.; Biomedical Integrated Circuits and Sensors Research Lab, Department of Electrical and Computer Systems Engineering, Monash University, Clayton, VIC 3800, Australia

Language :

English

Title :

Low-threshold CMOS rectifier design for energy harvesting in biomedical sensors

Publication date :

2015

Event name :

10th EAI International Conference on Body Area Networks, BODYNETS 2015

Event date :

28 September 2015 through 30 September 2015

Audience :

International

Main work title :

Proceedings 10th EAI International Conference on Body Area Networks, BODYNETS 2015

Peer reviewed :

Peer reviewed

Funders :

FT130100430
CREATE-NET
EAI

Commentary :

129556

Available on ORBi :

since 09 September 2019

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Bibliography

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