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This work shows an ultra-miniaturised and ultralow-power CMOS current driver for biphasic intracortical microstimulation. The CMOS driver is composed of a leakage-based voltage-to-current converter and an H-bridge circuit providing biphasic charge-balanced current stimulation. The circuit has been simulated, fabricated and tested. The current driver consumes 1.87 µW with a supply voltage of 1.8 V, and it occupies a silicon area of 15×12.4 µm 2 . The driver works in linearity in the current range between 23−92 µA

Ultra-Miniaturised CMOS Current Driver for Wireless Biphasic Intracortical Microstimulation / Barbruni, Gian Luca; Motto Ros, Paolo; Demarchi, Danilo; Carrara, Sandro; Ghezzi, Diego. - ELETTRONICO. - (2022), pp. 1-4. (Intervento presentato al convegno 2022 11th International Conference on Modern Circuits and Systems Technologies (MOCAST) tenutosi a Bremen, Germany nel 08-10 June 2022) [10.1109/MOCAST54814.2022.9837681].

Ultra-Miniaturised CMOS Current Driver for Wireless Biphasic Intracortical Microstimulation

Barbruni, Gian Luca;Motto Ros, Paolo;Demarchi, Danilo;Carrara, Sandro;Ghezzi, Diego
2022

Abstract

This work shows an ultra-miniaturised and ultralow-power CMOS current driver for biphasic intracortical microstimulation. The CMOS driver is composed of a leakage-based voltage-to-current converter and an H-bridge circuit providing biphasic charge-balanced current stimulation. The circuit has been simulated, fabricated and tested. The current driver consumes 1.87 µW with a supply voltage of 1.8 V, and it occupies a silicon area of 15×12.4 µm 2 . The driver works in linearity in the current range between 23−92 µA
2022
978-1-6654-6717-9
4.1 Contributo in Atti di convegno
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2970418