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Design of an Efficient Capacitor-Free Piezoelectric Energy Harvesting PMIC : 저장 커패시터를 가지지 않는 효율적인 압전소자 에너지 하베스팅 전력관리 회로 설계
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- Authors
- Advisor
- 김재하
- Major
- 공과대학 전기·정보공학부
- Issue Date
- 2016-08
- Publisher
- 서울대학교 대학원
- Keywords
- 에너지 하베스팅
- Description
- 학위논문 (석사)-- 서울대학교 대학원 : 전기·정보공학부, 2016. 8. 김재하.
- Abstract
- This research suggests a design methodology of an efficient piezoelectric power management IC which removes the large intermediary buffer capacitor and achieves a high end-to-end energy efficiency that can theoretically be 100%. A prototype IC designed and simulated on a 0.18-μm HVCMOS process showed 460% enhancement on the case of continuous input vibration with respect to the full-bridge diode topology, and showed 61% end-to-end efficiency for a batteryless wireless switch application which is 1.7 times higher than the ideal efficiency of a capacitor-based topology.
- Language
- English
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