Design of highly efficient charge pump for energy harvesting RFID applications

Shabana, S and Thej, C and Sankar, H and Pandava, R and Dutta, Asudeb and Singh, Shiv Govind (2012) Design of highly efficient charge pump for energy harvesting RFID applications. In: Asia Pacific Conference on Postgraduate Research in Microelectronics and Electronics, 5-7, December 2012, Hyderabad; India.

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This paper proposes an improved charge pump circuit for low voltage RFID applications. The architecture of charge transfer switch based dynamic charge pump has been modified to provide higher output voltage than existing one. This has been achieved by replacing the diode with a charge transfer block at the last stage of the dynamic CTS charge pump. The modified charge pump eliminates the threshold voltage loss and the effects of leakage currents. A 10-stage charge pump circuit with each pumping capacitance of 1pF is designed and simulated with an input voltage of 1V and clock frequency of 500MHz. The proposed charge-pump circuit is designed and simulated by Cadence virtuoso with UMC 0.18-μm CMOS technology parameters.

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IITH Creators:
IITH CreatorsORCiD
Singh, Shiv Govind
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Charge pump (CP); Charge Transfer Switch (CTS); MOSFET (MOS); Radio frequency (RF); Radio Frequency Identification (RFID)
Subjects: Others > Engineering technology
Others > Electronic imaging & Singal processing
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 29 Oct 2014 10:17
Last Modified: 11 Sep 2017 10:00
Publisher URL:
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