Low-Power On-Chip Energy Harvesting
From Interface Circuits Perspective
Shuang Song (Zhejiang University)
Dehong Wang (Zhejiang University)
Mengyu Li (Zhejiang University)
Siyao Cao (Zhejiang University)
Feijun Zheng (Zhejiang University)
Kai Huang (Zhejiang University)
Zhichao Tan (TU Delft - Electronic Instrumentation)
S. Du (TU Delft - Electronic Instrumentation)
Menglian Zhao (Zhejiang University)
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Abstract
Multiple parameter environment monitoring via wireless Internet of Thing sensors is growing rapidly, thanks to low power techniques of the node. More importantly, the ever more complex and highly efficient energy harvesting systems enable long-term continuous monitoring in inaccessible environments without needing to change the battery. This paper reviews existing energy harvesting modalities, including photovoltaic, piezoelectric, pyroelectric, electromagnetic, and vibration, together with circuit techniques of interfacing power management circuits for energy harvesters. Moreover, techniques used to interface with multiple mode energy harvesters to obtain a stable output power with optimal power efficiency are discussed as an emerging direction. The state-of-the-art energy harvesting systems together with future development trends are provided.
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