Title :
Adaptable stimulus driver for epileptic seizure suppression
Author :
Ker, Ming-Dou ; Chen, Wei-Ling ; Lin, Chun-Yu
Author_Institution :
Inst. of Electron., Nat. Chiao-Tung Univ., Hsinchu, Taiwan
Abstract :
The novel implantable stimulus driver for epileptic seizure suppression with low power design and adaptive loading consideration was proposed in this work. The stimulus driver consisted of the output stage, charge pump system, and adaptor can constantly provide 40-μA output stimulus currents, as the electrode impedance varies within 10~300 kΩ. The performances of this design have been successfully verified in a silicon chip fabricated by a 0.35-μm 3.3-V/24-V CMOS process. The power consumption of this work was only 1.1~1.4 mW. The proposed stimulus driver has been integrated into closed-loop epileptic seizure monitoring and controlling system for animal test.
Keywords :
CMOS integrated circuits; biomedical electronics; charge pump circuits; diseases; driver circuits; electric impedance; low-power electronics; patient monitoring; power consumption; prosthetics; CMOS process; adaptable stimulus driver; adaptive loading; adaptor; animal test; charge pump system; closed-loop epileptic seizure monitoring; controlling system; current 40 muA; electrode impedance; epileptic seizure suppression; implantable stimulus driver; low power design; output stimulus current; power consumption; silicon chip; size 0.35 mum; Charge pumps; Clocks; Driver circuits; Electrodes; Epilepsy; Impedance; Switches;
Conference_Titel :
IC Design & Technology (ICICDT), 2011 IEEE International Conference on
Conference_Location :
Kaohsiung
Print_ISBN :
978-1-4244-9019-6
DOI :
10.1109/ICICDT.2011.5783233
