Journal
AIP ADVANCES
Volume 8, Issue 4, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.5024243
Keywords
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Funding
- Japan Science and Technology Agency under PRESTO [JPMJPR1689]
- Japan Society for the Promotion of Science under KAKENHI [15KK0209, 17H02222]
- VLSI Design and Education Centre (VDEC), University of Tokyo
- Cadence Corporation
- Mentor Graphics Corporation
- Grants-in-Aid for Scientific Research [17H02222, 15KK0209] Funding Source: KAKEN
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In this work, we present a simple complementary metal-oxide semiconductor (CMOS)-controlled photovoltaic power-transfer platform that is suitable for very small (less than or equal to 1-2 mm) electronic devices such as implantable healthcare devices or distributed nodes for the Internet of Things. We designed a 1.25 mm x 1.25 mm CMOS power receiver chip that contains integrated photovoltaic cells. We characterized the CMOS-integrated power receiver and successfully demonstrated blue light-emitting diode (LED) operation powered by infrared light. Then, we integrated the CMOS chip and a few off-chip components into a 1-mm(3) implantable optogenetic stimulator, and demonstrated the operation of the device. (C) 2018 Author(s).
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