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A 6.78 MHz active voltage doubler with near-optimal on/off delay compensation for wireless power transfer systems
Mao F.3; Lu Y.3; Seng-Pan U.3; Martins R.P.3
2018-06-05
Source Publication2018 International Symposium on VLSI Design, Automation and Test, VLSI-DAT 2018
Pages1-4
AbstractThis paper presents a fully integrated 6.78 MHz active voltage doubler with a near-optimal on/off delay compensation scheme, achieving the maximized AC to DC power conversion efficiency (PCE) and voltage conversion ratio (VCR) for implantable medical devices (IMDs). In the proposed active voltage doubler design, we build sampling-based feedback loops for the real-time active diode on/off delay compensation. The proposed active voltage doubler was designed with a standard CMOS 0.35 Mm process. It achieves a peak PCE of 92.2% with a 500 Ω load, and a peak VCR of 1.92 with a 2 kfí load, improved by 10% and 33%, respectively, when compared with the voltage doubler without the delay compensation scheme. The input range of this design is from 1 V to 1.7 V with a load range from 200 Ω to 2 ΚΩ.
Keyworddelay compensation feedback loop implantable medical devices real time voltage doubler wireless power transfer
DOI10.1109/VLSI-DAT.2018.8373261
URLView the original
Language英語
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Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Synopsys Macau Ltd.
2.Instituto Superior Técnico
3.Universidade de Macau
Recommended Citation
GB/T 7714
Mao F.,Lu Y.,Seng-Pan U.,et al. A 6.78 MHz active voltage doubler with near-optimal on/off delay compensation for wireless power transfer systems[C],2018:1-4.
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