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Self-oscillating mu...
Self-oscillating multilevel switched-capacitor DC/DC converter for energy harvesting
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- Nielsen Lönn, Martin (författare)
- Linköpings universitet,Elektroniska Kretsar och System,Tekniska fakulteten
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- Angelov, Pavel (författare)
- Linköpings universitet,Elektroniska Kretsar och System,Tekniska fakulteten
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- Wikner, Jacob (författare)
- Linköpings universitet,Elektroniska Kretsar och System,Tekniska fakulteten
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- Alvandpour, Atila (författare)
- Linköpings universitet,Elektroniska Kretsar och System,Tekniska fakulteten
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(creator_code:org_t)
- IEEE, 2017
- 2017
- Engelska.
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Ingår i: 2017 IEEE NORDIC CIRCUITS AND SYSTEMS CONFERENCE (NORCAS): NORCHIP AND INTERNATIONAL SYMPOSIUM OF SYSTEM-ON-CHIP (SOC). - : IEEE. - 9781538628447
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- This paper presents three self-oscillating multilevel time-interleaved switched-capacitor DC/DC converters implemented and taped-out in 0:18-mu m CMOS targeting microwatt power levels. Two of the converters are step-up with ratios of 1:2, 1:3, and 1:4, and one is a step-down with ratios of 2:1, 3:1, and 4:1. They all regulate the output voltage towards a targeted reference removing the need for a separate regulator. Aimed for use in vibration energy harvesting systems, the converters have a wide combined input voltage range of 450 mV to 20 V. The low voltage step-up converter operates from an input voltage of 475 mV and has a peak measured power efficiency of 82.2 % with an area of 0.62 mm(2). The medium voltage step-up converter operates from an input voltage of 700 mV and has a peak power efficiency of 74.5 % and an area of 0.53 mm(2). Lastly, the step-down converter works with input voltages up to 20 V and achieves a peak power efficiency of 68.7 % with an area of 0.55 mm(2).
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- Switched-capacitor; DC-DC power converter; Energy harvesting
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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