A wirelessly powered log-based closed-loop deep brain stimulation SoC with two-way wireless telemetry for treatment of neurological disorders

Hyo-Gyuem Rhew, J. Jeong, Jeffrey Fredenburg, Sunjay Dodani, Parag G. Patil, M. Flynn
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引用次数: 17

Abstract

A log-based closed-loop Deep Brain Stimulation system detects and processes low-frequency brain field signals to optimize stimulation parameters. The fully self-contained single-chip system incorporates LNAs, a log-ADC, digital log-filters, a log-DSP with a PI-controller, current stimulators, a two-way wireless transceiver, a clock generator, and an RF energy harvester. The 2×2mm2 180nm CMOS prototype consumes 468μW for recording and processing neural signals, stimulation, and for two-way wireless communication.
一种无线供电的基于日志的闭环脑深部刺激SoC,具有双向无线遥测技术,用于治疗神经系统疾病
基于日志的闭环脑深部刺激系统检测和处理低频脑场信号,以优化刺激参数。完全独立的单芯片系统包括lna、对数adc、数字对数滤波器、带pi控制器的对数dsp、电流刺激器、双向无线收发器、时钟发生器和射频能量采集器。2×2mm2 180nm CMOS原型机用于记录和处理神经信号、刺激和双向无线通信,功耗为468μW。
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