A multiple-output fixed current stimulation ASIC for peripherally-implantable neurostimulation system

Author

Lee, Edward K. F. ; Matei, E. ; Gang, Van ; Shi, Jack ; Zadeh, Ali

Author_Institution

Alfred Mann Found., Santa Clarita, CA, USA

fYear

2014

fDate

15-17 Sept. 2014

Firstpage

1

Lastpage

4

Abstract

A multiple-output stimulation ASIC for a peripherally-implantable neurostimulaiton system was implemented in a 0.18μm CMOS process. The numbers of anodic outputs (NE_A) and cathodic outputs (NE_C) can be set between 1 and 8 with a fixed total output current up to 32.6mA, independent of NE_A and NE_C. Fast turn on technique was proposed for the stimulator to achieve a settling time of <;5.8μs. The ASIC includes a power management unit and an electrode monitoring circuit, which consists of a 10-b ADC for monitoring the high voltage (~15V) stimulator outputs.

Keywords

CMOS integrated circuits; analogue-digital conversion; application specific integrated circuits; prosthetics; ADC; CMOS process; anodic outputs; cathodic outputs; electrode monitoring circuit; fixed total output current; high voltage stimulator outputs; multiple-output fixed current stimulation ASIC; peripherally-implantable neurostimulation system; power management unit; size 0.18 mum; word length 10 bit; Application specific integrated circuits; Current measurement; Electrodes; Monitoring; Pain; Resistors; Voltage measurement;

fLanguage

English

Publisher

ieee

Conference_Titel

Custom Integrated Circuits Conference (CICC), 2014 IEEE Proceedings of the

Conference_Location

San Jose, CA

Type

conf

DOI

10.1109/CICC.2014.6946072

Filename

6946072