A power-efficient current-mode neural/muscular stimulator design for peripheral nerve prosthesis

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dc.contributor.authorLiu, Xuko
dc.contributor.authorLei, Yaoko
dc.contributor.authorNg, Kian Annko
dc.contributor.authorLi, Pengko
dc.contributor.authorWang, Wensiko
dc.contributor.authorJe, Minkyuko
dc.contributor.authorXu, Yong Pingko
dc.date.accessioned2018-05-24T02:25:44Z-
dc.date.available2018-05-24T02:25:44Z-
dc.date.created2017-11-27-
dc.date.created2017-11-27-
dc.date.created2017-11-27-
dc.date.issued2018-04-
dc.identifier.citationINTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS, v.46, no.4, pp.692 - 706-
dc.identifier.issn0098-9886-
dc.identifier.urihttp://hdl.handle.net/10203/242283-
dc.description.abstractThis paper presents a 16-channel power-efficient neural/muscular stimulation integrated circuit for peripheral nerve prosthesis. First, the theoretical analysis is presented to show the power efficiency optimization in a stimulator. Moreover, a continuous-time, biphasic exponential-current-waveform generation circuit is designed based on Taylor series approximation and implemented in the proposed stimulation chip to optimize the power efficiency. In the 16-channel stimulator chip design, each channel of the stimulator consists of a current copier, an exponential current generator, an active charge-balancing circuit, and a 24-V output stage. Stimulation amplitude, pulse width, and frequency can be set and adjusted through an external field-programmable gate array by sending serial commands. Finally, the proposed stimulator chip has been fabricated in a 0.18-μm advanced complementary metal-oxide-semiconductor process with 24-V laterally diffused metal oxide semiconductor option. The maximum stimulation power efficiency of 95.9% is achieved at the output stage with an electrode model of 10-kΩ resistance and 100-nF capacitance. Animal experiment results further demonstrate the power efficiency improvement and effectiveness of the stimulator.-
dc.languageEnglish-
dc.publisherWILEY-
dc.titleA power-efficient current-mode neural/muscular stimulator design for peripheral nerve prosthesis-
dc.typeArticle-
dc.identifier.wosid000430108000001-
dc.identifier.scopusid2-s2.0-85034789441-
dc.type.rimsART-
dc.citation.volume46-
dc.citation.issue4-
dc.citation.beginningpage692-
dc.citation.endingpage706-
dc.citation.publicationnameINTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS-
dc.identifier.doi10.1002/cta.2434-
dc.contributor.localauthorJe, Minkyu-
dc.contributor.nonIdAuthorLiu, Xu-
dc.contributor.nonIdAuthorLei, Yao-
dc.contributor.nonIdAuthorNg, Kian Ann-
dc.contributor.nonIdAuthorLi, Peng-
dc.contributor.nonIdAuthorWang, Wensi-
dc.contributor.nonIdAuthorXu, Yong Ping-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorelectrode-
dc.subject.keywordAuthorexponential current-
dc.subject.keywordAuthorneural-
dc.subject.keywordAuthormuscular stimulator-
dc.subject.keywordAuthoroptimization-
dc.subject.keywordAuthorperipheral nerve prosthesis-
dc.subject.keywordAuthorpower-efficient-
dc.subject.keywordPlusNEURAL STIMULATOR-
dc.subject.keywordPlusENERGY-EFFICIENT-
dc.subject.keywordPlusVOLTAGE-
dc.subject.keywordPlusEND-
dc.subject.keywordPlusTISSUE-
dc.subject.keywordPlusARRAY-
dc.subject.keywordPlusSAFE-
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