Infineon Technologies XENSIV™ TCI Integrated Gas Sensor

Introduction

The Infineon Technologies XENSIV™ TCI Integrated Gas Sensor is a cutting-edge device designed for the precise measurement of thermal conductivity in gases, particularly hydrogen in air. This sensor is engineered to deliver reliable performance in challenging automotive and industrial environments, ensuring both robustness and stability.

Part Description

The XENSIV™ TCI sensor operates on the principle of thermal conductivity (TC) measurement, utilizing a full differential MEMS (Micro-Electro-Mechanical Systems) sensor concept. By heating specific parts of the MEMS structures and measuring the heat transfer through the gas, this sensor achieves high accuracy and responsiveness. It is AEC-Q100 qualified for operation at temperatures up to 105°C and boasts an impressive lifespan of 15 years. Key features include:

• Insensitivity to sensor poisoning
• Low lifetime offset drift of ±0.1% H2
• Fully factory-calibrated, eliminating the need for field recalibration
• Compensation for temperature, humidity, and pressure effects
• Fast response time of less than 100 ms
• Measurement accuracy of up to ±0.34% H2
• Ultra-low power consumption

Applications

The XENSIV™ TCI Integrated Gas Sensor is suitable for a variety of applications, including:

• Hydrogen leakage measurement in automotive fuel cells
• Thermal runaway detection in automotive battery monitoring systems
• General industrial hydrogen leakage measurement

Industries

This sensor finds its applications across several industries, including:

• Automotive
• Industrial manufacturing
• Energy and utilities
• Renewable energy (specifically hydrogen technologies)

Usage Ideas

Here are three project ideas utilizing the XENSIV™ TCI Integrated Gas Sensor:

1. Hydrogen Fuel Cell Monitoring System: Develop a monitoring system for hydrogen fuel cells in vehicles that uses the XENSIV™ TCI sensor to detect any hydrogen leaks, ensuring safety and efficiency in fuel cell operation.

2. Battery Safety System: Create a battery monitoring system that integrates the sensor to detect thermal runaway conditions in electric vehicles, providing real-time alerts to prevent potential hazards.

3. Industrial Hydrogen Leak Detection: Implement a hydrogen leak detection system in an industrial setting that utilizes multiple XENSIV™ TCI sensors to monitor hydrogen levels and ensure compliance with safety regulations.

Conclusion

The Infineon Technologies XENSIV™ TCI Integrated Gas Sensor is a versatile and reliable solution for measuring hydrogen gas in various demanding applications. With its robust design, high accuracy, and long lifespan, it is an ideal choice for industries focused on safety and efficiency in hydrogen-related technologies. Whether in automotive, industrial, or energy sectors, this sensor plays a crucial role in advancing hydrogen applications.