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Optimization of microwatt on-chip charge pump for single-chip solar energy harvesting
Zhiyuan Chen1; Man-Kay Law1; Pui-In Mak1; Rui P. Martins1,2
2013-12-23
Conference NameIEEE International Conference of Electron Devices and Solid-State Circuits (EDSSC)
Source Publication2013 IEEE International Conference of Electron Devices and Solid-state Circuits
Conference DateJUN 03-05, 2013
Conference PlaceHong Kong, PEOPLES R CHINA
Abstract

In this paper, a compact single-chip solar cell with charge pump for microwatt solar energy harvesting is analyzed. Improved solar energy harvesting efficiency is achieved by utilizing lateral photodiodes. To optimize the charge pump (CP) efficiency in the microwatt level, the switch off-resistance (Roff) and the capacitive switching loss (Pc) are analyzed. The optimal (b) flying capacitor size (Cf1y ) to achieve maximum power transfer Fig. 1. Test structures used to determined the lateral current of (a) N+, (b) is also calculated.

DOIhttp://doi.org/10.1109/EDSSC.2013.6628123
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000380585600093
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Document TypeConference paper
专题INSTITUTE OF MICROELECTRONICS
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Department of Electrical and Electronics Engineering, Faculty of Science and Technology, University of Macau.
2.on leave from Instituto Superior Tecnico (IST)ITU of Lisbon, P ortugal.
First Author AffilicationFaculty of Science and Technology
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Zhiyuan Chen,Man-Kay Law,Pui-In Mak,et al. Optimization of microwatt on-chip charge pump for single-chip solar energy harvesting[C],2013.
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