DEVELOPMENT OF ULTRA-LOW POWER INTEGRATED CIRCUITS FOR REAL-TIME BIOMEDICAL SIGNAL PROCESSING IN IMPLANTABLE DEVICES

Abstract

This study presents the development of ultra-low power integrated circuits for real-time biomedical signal processing in implantable devices, aiming to address the challenges of high power consumption and the need for continuous, autonomous operation in medical applications. The proposed solution integrates hybrid processing architectures, combining both digital and analog circuits, optimized for low power consumption, while maintaining high signal processing accuracy. Additionally, energy harvesting techniques, including piezoelectric and thermoelectric sources, are incorporated to ensure long-term, self-sufficient operation. Between 25% to 30% power consumption reductions result from this work while maintaining all signal quality measurements at current levels.  Signal processing shows high accuracy levels because algorithms identify noise and extract features and run classifications with more than 97% precision.  The hybrid processing system proves better at handling time requirements while using less power than classic methods.  Long-term six-month testing demonstrates reliable signal performance with small power usage and a strong operational stability.  The device presents proven security standards for implantation because of biocompatibility testing.  Multiple research findings show sufficient potential for this system to function as an implantable biomedical device that consumes minimal power and requires minimal maintenance.  The future research agenda aims to advance energy collection systems that will boost therapeutic system performance.