A millimeter-scale wireless imaging system with continuous motion detection and energy harvesting

  • Gyouho Kim
  • , Yoonmyung Lee
  • , Zhiyoong Foo
  • , Pat Pannuto
  • , Ye Sheng Kuo
  • , Ben Kempke
  • , Mohammad Hassan Ghaed
  • , Suyoung Bang
  • , Inhee Lee
  • , Yejoong Kim
  • , Seokhyeon Jeong
  • , Prabal Dutta
  • , Dennis Sylvester
  • , David Blaauw

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

60 Scopus citations

Abstract

We present a 2×4×4mm3 imaging system complete with optics, wireless communication, battery, power management, solar harvesting, processor and memory. The system features a 160×160 resolution CMOS image sensor with 304nW continuous in-pixel motion detection mode. System components are fabricated in five different IC layers and die-stacked for minimal form factor. Photovoltaic (PV) cells face the opposite direction of the imager for optimal illumination and generate 456nW at 10klux to enable energy autonomous system operation.

Original languageEnglish
Title of host publication2014 Symposium on VLSI Circuits, VLSIC 2014 - Digest of Technical Papers
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)9781479933273
DOIs
StatePublished - 2014
Externally publishedYes
Event28th IEEE Symposium on VLSI Circuits, VLSIC 2014 - Honolulu, HI, United States
Duration: 10 Jun 201413 Jun 2014

Publication series

NameIEEE Symposium on VLSI Circuits, Digest of Technical Papers

Conference

Conference28th IEEE Symposium on VLSI Circuits, VLSIC 2014
Country/TerritoryUnited States
CityHonolulu, HI
Period10/06/1413/06/14

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