A power-efficient wireless system with adaptive supply control for deep brain stimulation

HM Lee, H Park, M Ghovanloo - IEEE journal of solid-state …, 2013 - ieeexplore.ieee.org
A power-efficient wireless stimulating system for a head-mounted deep brain stimulator
(DBS) is presented. A new adaptive rectifier generates a variable DC supply voltage from a …

Automatic frequency controller for power amplifiers used in bio-implanted applications: Issues and challenges

MA Hannan, HA Hussein, S Mutashar, SA Samad… - Sensors, 2014 - mdpi.com
With the development of communication technologies, the use of wireless systems in
biomedical implanted devices has become very useful. Bio-implantable devices are …

A fully-integrated high-compliance voltage SoC for epi-retinal and neural prostheses

YK Lo, K Chen, P Gad, W Liu - IEEE transactions on …, 2013 - ieeexplore.ieee.org
This paper presents a fully functionally integrated 1024-channel mixed-mode and mixed-
voltage system-on-a-chip (SoC) for epi-retinal and neural prostheses. Taking an AC input …

An Ultra High-Frequency 8-Channel Neurostimulator Circuit With Peak Power Efficiency

A Urso, V Giagka, M van Dongen… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
In order to recruit neurons in excitable tissue, constant current neural stimulators are
commonly used. Recently, ultra high-frequency (UHF) stimulation has been proposed and …

A 20V-compliance implantable neural stimulator IC with closed-loop power control, active charge balancing, and electrode impedance check

L Yao, J Zhao, P Li, RF Xue, YP Xu… - 2014 IEEE Asian Solid …, 2014 - ieeexplore.ieee.org
An inductively powered implantable neural stimulator IC is presented in this paper. It
features closed-loop power control, active charge balancing, and electrode impedance …

An On-Chip Multi-Voltage Power Converter With Leakage Current Prevention Using 0.18 m High-Voltage CMOS Process

YK Lo, K Chen, P Gad, W Liu - IEEE transactions on …, 2015 - ieeexplore.ieee.org
In this paper, we present an on-chip multi-voltage power converter incorporating of a quad-
voltage timing-control rectifier and regulators to produce±12 V and±1.8 V simultaneously …

An external control unit implemented for stimulator ASIC testing

E Noorsal, K Sooksood, H Xu, ZI Rizman - Journal of Fundamental and …, 2017 - ajol.info
This paper presents the design and development of an external control unit (ECU) for a
stimulator ASIC testing purposes. The ECU consists of a graphical user interface (GUI) from …

An energy-efficient, inexpensive, spinal cord stimulator with adaptive voltage compliance for freely moving rats

GE Olafsdottir, WA Serdijn… - 2018 40th Annual …, 2018 - ieeexplore.ieee.org
This paper presents the design and fabrication of an implantable control unit intended for
epidural spinal cord stimulation (ESCS) in rats. The device offers full programmability over …

A multi-channel neural stimulator with resonance compensated inductive receiver and closed-loop smart power management

H Xu, U Bihr, J Becker… - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
This paper presents an integrated neural stimulator with highly efficient power management
solution, which is intended for a 1024 channel epi-retinal implant. The stimulator features an …

Multichannel microstimulating SoC

E Noorsal, H Xu, K Sooksood, M Ortmanns - Handbook of Biochips …, 2022 - Springer
In recent years, limited research was focused on designing a multichannel microstimulator
that could demonstrate high flexibility in terms of pulse parameters, waveshapes, stimulation …