Design of a high voltage stimulator chip for a stroke rehabilitation system

This paper describes the design of an 8-channel high voltage stimulator chip for rehabilitation of stroke patients through surface stimulation, which requires high stimulation currents and high compliance voltage. The chip gets stimulation control data through its Serial Peripheral Interface (SPI),...

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Hauptverfasser: Zeng, Lei, Yi, Xin, Lu, Sheng, Lou, Yuan, Jiang, Jianfei, Qu, Hongen, Lan, Ning, Wang, Guoxing
Format: Tagungsbericht
Sprache:eng
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Zusammenfassung:This paper describes the design of an 8-channel high voltage stimulator chip for rehabilitation of stroke patients through surface stimulation, which requires high stimulation currents and high compliance voltage. The chip gets stimulation control data through its Serial Peripheral Interface (SPI), and can accordingly generate biphasic stimulation currents with different amplitudes, duration, frequencies and polarities independently for each channel. The current driver is implemented with thick oxide devices with a supply voltage up to 90V. The chip is designed in a 0.35μm X-FAB high voltage process.
ISSN:1094-687X
1557-170X
1558-4615
DOI:10.1109/EMBC.2013.6609630