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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.7
- 수록면
- 1,131 - 1,138 (8page)
이용수
초록· 키워드
오류제보하기
This study presents an input-powered high-efficiency interface circuit for energy harvesting systems, and introduces a zero standby power design to reduce power consumption significantly while removing the external power supply. This interface circuit is composed of two stages. The first stage voltage doubler uses a positive feedback control loop to improve considerably the conversion speed and efficiency, and boost the output voltage. The second stage active diode adopts a common-grid operational amplifier (op-amp) to remove the influence of offset voltage in the traditional comparator, which eliminates leakage current and broadens bandwidth with low power consumption. The system supplies itself with the harvested energy, which enables it to enter the zero standby mode near the zero crossing points of the input current. Thereafter, high system efficiency and stability are achieved, which saves power consumption. The validity and feasibility of this design is verified by the simulation results based on the 65 nm CMOS process. The minimum input voltage is down to 0.3 V, the maximum voltage efficiency is 99.6% with a DC output current of 75.6 μA, the maximum power efficiency is 98.2% with a DC output current of 40.4 μA, and the maximum output power is 60.48 μW. The power loss of the entire interface circuit is only 18.65 μW, among which, the op-amp consumes only 2.65 μW.
목차
Abstract
I. INTRODUCTION
II. PROPOSED INTERFACE CIRCUIT
III. SIMULATION RESULTS AND ANALYSIS
IV. CONCLUSION
REFERENCES
참고문헌 (8)
참고문헌 신청
[학술지(정기간행물)] - E. Dallago / 2014 / An interface circuit for low-voltage low-current energy harvesting systems / IEEE Trans. Power Electron. 30 (3) : 1411 ~ 1420
[학술지(정기간행물)] - X. Do / 2014 / A self-powered high-efficiency rectifier with automatic resetting of transducer capacitance in piezoelectric energy harvesting systems / IEEE Trans. Very Large Scale Integr. (VLSI) Syst. 23 (3) : 444 ~ 453
[학술지(정기간행물)] - T. H. Tsai / 2014 / A self-sustaining integrated CMOS regulator for solar and HF RFID energy harvesting systems / IEEE Journal of Emerging and Selected Topics in Power Electronics 2 (3) : 434 ~ 442
[학술대회논문] - L. Joachim / 2012 / Autonomous and self-starting efficient micro energy harvesting interface with adaptive MPPT, buffer monitoring, and voltage stabilization / European Solid-State Circuits Conference (ESSCIRC) : 101 ~ 104
[학술대회논문] - S. H. Abdalrahman / 2013 / An ultra-low power active AC-DC CMOS converter for sub-1V integrated energy harvesting applications / Sensors, 2013 IEEE, Baltimore : 1 ~ 4
[학술지(정기간행물)] - X. Do / 2014 / A self-powered high-efficiency rectifier with automatic resetting of transducer capacitance in piezoelectric energy harvesting systems / IEEE Trans. Very Large Scale Integr. (VLSI) Syst. 23 (3) : 444 ~ 453
[학술지(정기간행물)] - T. H. Tsai / 2014 / A self-sustaining integrated CMOS regulator for solar and HF RFID energy harvesting systems / IEEE Journal of Emerging and Selected Topics in Power Electronics 2 (3) : 434 ~ 442
[학술대회논문] - L. Joachim / 2012 / Autonomous and self-starting efficient micro energy harvesting interface with adaptive MPPT, buffer monitoring, and voltage stabilization / European Solid-State Circuits Conference (ESSCIRC) : 101 ~ 104
[학술대회논문] - S. H. Abdalrahman / 2013 / An ultra-low power active AC-DC CMOS converter for sub-1V integrated energy harvesting applications / Sensors, 2013 IEEE, Baltimore : 1 ~ 4
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UCI(KEPA) : I410-ECN-0101-2016-560-001684486