IQS223-00000000-QNR

Sensor And Detector Interfaces Overview

The IQS223-00000000-QNR is a capacitive touch sensor controller from Azoteq's ProxSense family, designed for button and proximity detection applications. It features an I2C interface and is housed in a QFN-20 package. The device supports multiple channel configurations including buttons, sliders, wheels, and proximity capacitance-to-digital conversion. It operates within a temperature range of -40°C to +85°C and utilizes a bulk packaging format for the evaluation shield variant.

Sensor And Detector Interfaces Feature Summary

• Integrated capacitive sensing with automatic tuning capabilities
• Supports various input formats including buttons, sliders, and wheels
• Includes proximity detection functionality alongside touch inputs

Sensor And Detector Interfaces Applications

• Consumer electronics requiring proximity and touch interaction
• Industrial control panels needing robust capacitive interfaces
• Wearable devices utilizing compact sensor solutions

Sensor And Detector Interfaces Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for end-of-life notifications prior to procurement. Ensure storage conditions meet humidity sensitivity requirements specified in the datasheet to maintain device integrity during handling and assembly processes.

Sensor And Detector Interfaces Selection Notes

Select this model when a single-chip solution for combined touch and proximity sensing is required. Consider the QFN-20 package constraints for PCB layout. Evaluate power consumption requirements against the device's low-power modes. Ensure compatibility with existing I2C bus architectures and verify that the operating voltage range matches system specifications.

Sensor And Detector Interfaces Part Context

This component belongs to Azoteq's IQS223 series, which focuses on high-sensitivity capacitive sensing. The series is part of the broader ProxSense product line, emphasizing ease of integration and minimal external component count. It serves as a foundational element for modern human-machine interfaces in compact electronic designs.

Sensor And Detector Interfaces Replacement Considerations

Check for updated revisions within the IQS223 series for potential pin-compatible upgrades. Verify if newer generations offer enhanced sensitivity or additional channels. Consult official substitution guides for any discontinued variants within the same package type.