Low-power and cost-effective readout circuit design for compact semiconductor gas sensor systems

• Introducing a new low-power readout circuit architecture that significantly reduces the power consumption of semiconductor gas sensor systems. • The design is verified at the PCB level, showing strong potential for commercialization in applications such as environmental monitoring, industrial safety, and medical diagnostics. • Efficient ADC power reduction method, which allows the system to operate with lower power consumption while maintaining high performance. • Innovative signal processing approach improves data extraction accuracy. • Applicable to a variety of gas sensor types and applications, ensuring wide usability. This study introduces a novel readout circuit architecture that enhances semiconductor gas sensor systems by reducing power consumption, enabling miniaturization, and improving economic viability. Validated at the PCB level, the design shows strong commercial potential by addressing power efficiency and signal accuracy challenges. The technology is adaptable for applications in environmental monitoring, industrial safety, and medical diagnostics, where efficient and reliable gas sensing is essential.