The IQS128000E9TSR is a single-channel projected capacitive proximity/touch sensor from Azoteq. It's designed for applications requiring reliable touch or proximity detection in various environments. This sensor offers features like automatic tuning, ambient light rejection, and on-chip signal processing to simplify integration and enhance performance.

Applications

• Touch-based control panels
• Proximity detection for lighting control
• Gesture recognition in consumer electronics
• Water level detection
• IoT devices requiring user interaction

Features

• Single-channel projected capacitive touch/proximity sensing
• Automatic tuning for optimal performance
• Ambient light rejection to minimize false triggers
• On-chip signal processing for noise filtering and signal amplification
• Adjustable sensitivity for various application needs
• Low power consumption for battery-powered devices
• Integrated active shield driver to reduce parasitic capacitance
• I2C communication interface for easy integration with microcontrollers

Benefits

• Enhanced user experience through reliable touch and proximity detection
• Reduced development time with automatic tuning and on-chip signal processing
• Improved system reliability by minimizing false triggers due to ambient light
• Extended battery life in portable devices due to low power consumption
• Simplified integration with existing systems using the I2C interface
• Increased design flexibility with adjustable sensitivity
• Robust performance in noisy environments due to noise filtering capabilities

Additional Details

The IQS128000E9TSR operates from a supply voltage of 1.8V to 3.6V. The device is available in a compact QFN package, making it suitable for space-constrained applications. The sensor's performance can be further optimized by adjusting parameters such as the integration time and sensitivity through the I2C interface. This allows designers to fine-tune the sensor to specific application requirements and environmental conditions.

The integrated active shield driver is used to reduce parasitic capacitance, which is essential for achieving accurate and stable touch sensing performance. The IC's noise filtering capabilities further enhance stability. Azoteq provides comprehensive documentation and support to assist designers in integrating the IQS128000E9TSR into their systems effectively.