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A 385×385μm2 0.165V 0.27nW Fully-Integrated Supply-Modulated OOK Transmitter in 65nm CMOS for Glasses-Free, Self-Powered, and Fuel-Cell-Embedded Continuous Glucose Monitoring Contact Lens
Kenya HAYASHI Shigeki ARATA Ge XU Shunya MURAKAMI Cong Dang BUI Atsuki KOBAYASHI Kiichi NIITSU
IEICE TRANSACTIONS on Electronics
Publication Date: 2019/07/01
Online ISSN: 1745-1353
Type of Manuscript: BRIEF PAPER
continuous glucose monitoring, smart contact lens, low-power, wireless transmitter, glucose fuel cell,
Full Text: FreePDF
This work presents the lowest power consumption sub-mm2 supply-modulated OOK transmitter for self-powering a continuous glucose monitoring (CGM) contact lens. By combining the transmitter with a glucose fuel cell that functions as both the power source and a sensing transducer, a self-powered CGM contact lens was developed. The 385×385μm2 test chip implemented in 65-nm standard CMOS technology operates at 270pW with a supply voltage of 0.165V. Self-powered operation of the transmitter using a 2×2mm2 solid-state glucose fuel cell was thus demonstrated.