IQS7223C001QNR

Overview

The IQS7223C001QNR is a capacitive touch sensor controller from Azoteq, designed for keyboard and proximity applications. It supports up to four channels in mutual or self-capacitive configurations. The device integrates proximity detection and wear sensing capabilities. It communicates via an I2C interface. The unit operates within a supply voltage range of 1.71V to 3.5V. It functions reliably across a temperature range of -40°C to +85°C. The component is housed in a compact QFN-20 package with dimensions of 3 mm x 3 mm x 0.5 mm.

Feature Summary

• Supports both mutual and self-capacitive touch sensing modes for flexible electrode design.

Applications

• Keyboard input devices
• Proximity detection systems
• Wear-sensing applications

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm pinout and functional variations. Confirm RoHS compliance status through current datasheets. Check for any product discontinuation notices or lifecycle changes prior to finalizing procurement plans.

Selection Notes

Select this component when a low channel count with integrated proximity and wear sensing is required. Ensure the host system supports the I2C communication protocol. Verify that the operating voltage and temperature ranges align with the target application environment constraints.

Part Context

This part belongs to the IQS7223 series of capacitive touch controllers. It shares the ProxFusion technology platform with other Azoteq sensors. The series focuses on providing proximity and gesture recognition features alongside standard touch inputs.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult the manufacturer's official cross-reference documentation for potential alternatives.