NDLI: A high-voltage, high-current CMOS pulse generator ASIC for deep brain stimulation

Content Provider	IEEE Xplore Digital Library
Author	Laotaveerungrueng, N. Lahiji, R.R. Garverick, S.L. Mehregany, M.
Copyright Year	2010
Description	Author affiliation: Department of Electrical Engineering and Computer Science, Case Western Reserve University, Cleveland, OH 44106, USA (Laotaveerungrueng, N.; Lahiji, R.R.) \|\| West Wireless Health Institute, La Jolla, CA 92037, USA (Garverick, S.L.; Mehregany, M.)
Abstract	A high-voltage, high-current pulse generator ASIC based on 0.35-εm high-voltage CMOS technology is presented. The chip has eight independently-controlled biphasic output channels that can generate either current- or voltage-controlled pulses. The output driver is capable of delivering current up to 1.26 mA or 5.04 mA and voltage up to 2.36 V or 9.45 V; all with 6-bit resolution. The stimulation frequency can be adjusted between 3 Hz to 5 kHz, while pulse width can vary from 20 µs to 640 εs in 20 εs steps for 100-kHz clock frequency. The timing parameters can be adjusted further by varying the clock frequency. These parameters, including pulse phase, can be programmed independently in each channel to allow different waveform generation. The foregoing provides an on-chip solution for an arbitrary function generator that can be monolithically fabricated with the rest of the circuitry. Based on its configuration this chip is an ideal solution for deep brain stimulation (DBS) electrode for targeted stimulation through current steering.
Starting Page	1519
Ending Page	1522
File Size	857178
Page Count	4
File Format	PDF
ISBN	9781424441235
ISSN	1557170X
DOI	10.1109/IEMBS.2010.5626836
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-31
Publisher Place	Argentina
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transistors Electrodes Operational amplifiers Satellite broadcasting Voltage control Computer architecture Driver circuits
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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