Design optimization of a fully integrated charge-pump with LC tank oscillator for ultra-low voltage energy harvesting

Jayaweera, Herath M. P. C.; Muhtaroğlu, Ali

doi:10.1016/j.mejo.2016.10.010

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Inductor Based Modified Dickson Charge Pump Model1

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Cited by 12 publications

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“…There have been other attempts to design better charge pumps through structural modifications [13,14]. The schematic of the basic operation of the first stage of the inductor-based Dickson charge pump is shown in figure (3).…”

Section: Inductor Based Modified Dickson Charge Pump Modelmentioning

confidence: 99%

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2018

JESTR

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This paper proposes an inductor-based DC-DC conversion technique using the 5-stage Dickson charge pump that achieves efficiency up to 96%. The converter that the Dickson charge pump is built on is a novel series inductor and parallel capacitive construction, that is profitable for energy harvesting applications. In this paper, we have shown the use of an inductor in five stage Dickson charge pump to generate an output voltage of 8.76 V at 20 Ω resistive load with a 50 MHz external frequency. Least drop in voltage is at output capacitor that is used as an energy storage element. In the experiment, the integrated charge-up converter is based on LC tank features. This unique simulation study is done in the T-Spice 0.18µm CMOS process using an input voltage of 1.8 V, using high Vt and low oxide thickness Tox for reducing threshold voltage drop in latter stages.

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Section: Inductor Based Modified Dickson Charge Pump Modelmentioning

confidence: 99%