A CMOS dual-mode brain-computer interface chipset with 2-mV precision time-based charge balancing and stimulation-side artifact suppression

H Pu, O Malekzadeh-Arasteh… - IEEE Journal of Solid …, 2021 - ieeexplore.ieee.org
This article presents a multipolar neural stimulation and mixed-signal neural data acquisition
(DAQ) chipset for fully implantable bi-directional brain–computer interfaces (BD-BCIs). The …

Challenges and Trends of Implantable Functional Electrical Neural Stimulators: System Architecture and Parameters

M Katebi, A Erfanian, MA Karami, M Sawan - IEEE Access, 2024 - ieeexplore.ieee.org
Electrical neural stimulators (ENS) play a crucial role in medical applications and have
emerged as promising therapeutic techniques for neurological disorders. The purpose of …

Totally implantable enzymatic biofuel cell and brain stimulator operating in bird through wireless communication

D Lee, SH Jeong, S Yun, S Kim, J Sung, J Seo… - Biosensors and …, 2021 - Elsevier
Animals digest food to fuel brain neurometabolism via cellular respiration. This study
demonstrates the combination of a biofuel cell (BFC) and an animal brain stimulator (ABS) …

A cmos bd-bci: Neural recorder with two-step time-domain quantizer and multi-polar stimulator with dual-mode charge balancing

AR Danesh, H Pu, M Safiallah, AH Do… - … Circuits and Systems, 2024 - ieeexplore.ieee.org
This work presents a bi-directional brain-computer interface (BD-BCI) including a high-
dynamic-range (HDR) two-step time-domain neural acquisition (TTNA) system and a high …

A complete 256-electrode retinal prosthesis chip

N Tran, S Bai, J Yang, H Chun… - IEEE Journal of Solid …, 2014 - ieeexplore.ieee.org
This paper presents a complete 256-electrode retinal prosthesis chip, which is small and
ready for packaging and implantation. It contains 256 separate programmable drivers …

A fully intraocular high-density self-calibrating epiretinal prosthesis

M Monge, M Raj, MH Nazari, HC Chang… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
This paper presents a fully intraocular self-calibrating epiretinal prosthesis with 512
independent channels in 65 nm CMOS. A novel digital calibration technique matches the …

Monopolar biphasic stimulator with discharge function and negative level shifter for neuromodulation SoC integration in low-voltage CMOS process

CC Hsieh, MD Ker - IEEE Transactions on Biomedical Circuits …, 2021 - ieeexplore.ieee.org
A 16-channel monopolar biphasic stimulator chip with discharge function for biomedical
applications is proposed and designed. To provide monopolar biphasic stimulus currents …

A high-voltage-tolerant and precise charge-balanced neuro-stimulator in low voltage CMOS process

Z Luo, MD Ker - IEEE transactions on biomedical circuits and …, 2016 - ieeexplore.ieee.org
This paper presents a 4× VDD neuro-stimulator in a 0.18-μm 1.8 V/3.3 V CMOS process.
The self-adaption bias technique and stacked MOS configuration are used to prevent …

A 22 V Compliant 56 W Twin-Track Active Charge Balancing Enabling 100% Charge Compensation Even in Monophasic and 36% Amplitude Correction in …

N Butz, A Taschwer, S Nessler… - IEEE Journal of Solid …, 2018 - ieeexplore.ieee.org
Closed-loop charge balancers make a considerable contribution to a safe and secure
electrical stimulation and additionally present an alternative to bulky blocking capacitors …

Retinal stimulator ASIC architecture based on a joint power and data optical link

W Lemaire, M Benhouria, K Koua… - IEEE Journal of Solid …, 2021 - ieeexplore.ieee.org
Retinal implants aim to partially restore vision to patients suffering from blindness caused by
age-related macular degeneration (AMD) or retinitis pigmentosa (RP). Up until now, most …