A Versatile 8-Channel High Voltage Stimulator for Comprehensive Neural Stimulation

Kuan Ting Lin*, Ming Dou Ker

*Corresponding author for this work

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

Abstract

A dual-configuration dual-mode 8-channel high voltage stimulator is proposed and designed for biomedical applications. Dual-configuration indicates the choice between a bipolar or monopolar structural arrangement, while dual- =mode refers to the selection between constant current or constant voltage stimulation. With supply voltages of 1.8 V, ±5 V, ±10 V, and ±15 V, the range of stimulus current is ±0.2 mA to ±10 mA with a 0.2 mA/step increment, and the range of stimulus voltage is ±0.2 V to ±10 V with a 0.2 V/step increment. The 8-channel stimulator chip has been fabricated in a 0.18-μm BCD process with a silicon area of 3570 μm x 1636 μm. Moreover, stimulus functions have been successfully verified through experiments in agar with Pt electrodes and in-vivo animal test on pig with DBS electrode.

Original languageEnglish
Title of host publicationISCAS 2024 - IEEE International Symposium on Circuits and Systems
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350330991
DOIs
StatePublished - 2024
Event2024 IEEE International Symposium on Circuits and Systems, ISCAS 2024 - Singapore, Singapore
Duration: 19 May 202422 May 2024

Publication series

NameProceedings - IEEE International Symposium on Circuits and Systems
ISSN (Print)0271-4310

Conference

Conference2024 IEEE International Symposium on Circuits and Systems, ISCAS 2024
Country/TerritorySingapore
CitySingapore
Period19/05/2422/05/24

Keywords

  • Neuromodulation
  • bipolar stimulator
  • current stimulation
  • deep brain stimulation (DBS)
  • high voltage stimulator
  • monopolar stimulator
  • voltage stimulation

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