TY - GEN
T1 - A reconfigurable 16-channel HV stimulator ASIC for Spinal Cord Stimulation systems
AU - Wang, Chua Chin
AU - Sung, Tzu Chiao
AU - Wu, Yi Hong
AU - Hsu, Chia Hao
AU - Shmilovitz, Doron
PY - 2012
Y1 - 2012
N2 - A 16-channel stimulation waveform generator ASIC using high voltage CMOS technology to generate high voltage stimulation signals for Spinal Cord Stimulation (SCS) systems is presented in this study. To enlarge the voltage swing on high-impedance electrodes, the output stage of the proposed for the SCS systems is implemented on silicon using a 0.25 μm high-voltage (60 V) devices. Particularly, a charge pump composed of 5 cascaded voltage doublers is used to boost the core voltage (2.5 V) to higher than 10 V required by the SCS systems to execute electrical stimulation therapy [1]. A total of 16 stimulation waveform generators are included to drive 16 sets of electrodes, where each generator is composed of an HV operational amplifier and an HV analog switch. Compared with existing commercial products, the proposed SCS system attains better flexibility to meet the spinal cord stimulation high voltage demand in addition to the reduction of cost and PCB size.
AB - A 16-channel stimulation waveform generator ASIC using high voltage CMOS technology to generate high voltage stimulation signals for Spinal Cord Stimulation (SCS) systems is presented in this study. To enlarge the voltage swing on high-impedance electrodes, the output stage of the proposed for the SCS systems is implemented on silicon using a 0.25 μm high-voltage (60 V) devices. Particularly, a charge pump composed of 5 cascaded voltage doublers is used to boost the core voltage (2.5 V) to higher than 10 V required by the SCS systems to execute electrical stimulation therapy [1]. A total of 16 stimulation waveform generators are included to drive 16 sets of electrodes, where each generator is composed of an HV operational amplifier and an HV analog switch. Compared with existing commercial products, the proposed SCS system attains better flexibility to meet the spinal cord stimulation high voltage demand in addition to the reduction of cost and PCB size.
KW - 16-channel stimulation waveform generator
KW - high-voltage process
KW - spinal cord stimulation (SCS)
UR - http://www.scopus.com/inward/record.url?scp=84874133863&partnerID=8YFLogxK
U2 - 10.1109/APCCAS.2012.6419031
DO - 10.1109/APCCAS.2012.6419031
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AN - SCOPUS:84874133863
SN - 9781457717291
T3 - IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS
SP - 300
EP - 303
BT - 2012 IEEE Asia Pacific Conference on Circuits and Systems, APCCAS 2012
T2 - 2012 IEEE Asia Pacific Conference on Circuits and Systems, APCCAS 2012
Y2 - 2 December 2012 through 5 December 2012
ER -