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Global digital controller for multi-channel micro-stimulator with 5-wire interface featuring on-the-fly power-supply modulation and tissue impedance monitoring
Lee, Paul Jung-Ho1; Law, Man-Kay2; Bermak, Amine3
2017-02
Source PublicationMICROELECTRONICS JOURNAL
ISSN0026-2692
Volume60Pages:21-29
Abstract

This paper reports a global digital controller for multi-channel high density micro-stimulator applications. By centralizing the essential functions including stimulation timing controls, tissue-electrode impedance (TED monitoring and power supply modulation in the global digital controller (GDC), digital blocks in the local electrode driver channels (LEDCs) can be greatly simplified, resulting in compact electrode drivers suitable for high density intracellular stimulations. Based on the proposed column-parallel row-scanning (CPRS) stimulator topology, the 5-wire global control ensures customized per channel stimulation with minimal interfacing overhead. A 4-column GDC stimulator prototype is fabricated in a 0.18 gm CMOS process. It features flexible stimulation with a power consumption of 18 mu W/column while enabling global power-supply modulation and real-time TEI monitoring for improved stimulation efficiency and safety.

KeywordMulti-channel Micro-stimulator Global Digital Controller Tissue-electrode Impedance Power Supply Modulation
DOI10.1016/j.mejo.2016.11.014
URLView the original
Indexed BySCIE
Language英语
WOS Research AreaEngineering ; Science & Technology - Other Topics
WOS SubjectEngineering, Electrical & Electronic ; Nanoscience & Nanotechnology
WOS IDWOS:000393250000003
PublisherELSEVIER SCI LTD
The Source to ArticleWOS
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF MICROELECTRONICS
Corresponding AuthorLaw, Man-Kay
Affiliation1.Hong Kong University of Science and Technology, Hong Kong
2.University of Macau, Macau
3.Hong Kong University of Science and Technology, Hong Kong Hamad Bin Khalifa University, Doha, Qatar
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Lee, Paul Jung-Ho,Law, Man-Kay,Bermak, Amine. Global digital controller for multi-channel micro-stimulator with 5-wire interface featuring on-the-fly power-supply modulation and tissue impedance monitoring[J]. MICROELECTRONICS JOURNAL,2017,60:21-29.
APA Lee, Paul Jung-Ho,Law, Man-Kay,&Bermak, Amine.(2017).Global digital controller for multi-channel micro-stimulator with 5-wire interface featuring on-the-fly power-supply modulation and tissue impedance monitoring.MICROELECTRONICS JOURNAL,60,21-29.
MLA Lee, Paul Jung-Ho,et al."Global digital controller for multi-channel micro-stimulator with 5-wire interface featuring on-the-fly power-supply modulation and tissue impedance monitoring".MICROELECTRONICS JOURNAL 60(2017):21-29.
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