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Efficient adaptive switch design for charge pumps in micro-scale energy harvestingPublished in
2012
Pages: 311 - 314
The performance of Micro-scale energy harvesting unit depends on the efficient design of charge-pump. Optimization of the dimension of MOSFET switches in charge pump is one of the techniques to improve the efficiency. In this work, a new optimization technique for transistor sizing and a concept of reconfigurable adaptive switches has been introduced to maximize the extracted power. A control unit is designed for adaptive reconfiguration of the switches. These proposed techniques are validated for linear charge-pump topology in UMC 180nm technology. Combined effect of size optimization of switch along with reconfigurable switch offers an improvement up to 23.5% in the net harvested power with 6% less silicon area. © 2012 IEEE.
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About the journal
| Journal | 20th IFIP/IEEE International Conference on Very Large Scale Integration, VLSI-SoC 2012 - Proceedings |
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