IQS7222B101QNR

Sensor And Detector Interfaces Overview

The IQS7222B101QNR is a capacitive touch sensor controller from the Azoteq IQS7222B series, utilizing ProxFusion technology. It integrates 20 channels for mutual capacitance and 8 channels for self-capacitance sensing. The device supports I2C communication and operates within a supply voltage range of 1.8 V to 3.5 V. It functions reliably across an industrial temperature range of -40°C to +85°C. The component is housed in a QFN-20 surface-mount package with SMD/SMT termination.

Sensor And Detector Interfaces Feature Summary

• Supports simultaneous detection via 20 mutual capacitance channels and 8 self-capacitance channels
• Integrates ProxFusion technology for proximity and inductive touch sensing capabilities
• Communicates through standard I2C interface for system integration

Sensor And Detector Interfaces Applications

• Multi-button capacitive touch interfaces
• Proximity detection systems
• Inductive touch input devices

Sensor And Detector Interfaces Procurement Notes

Verify the specific suffix QNR against the manufacturer's current datasheet to confirm package type and tape-and-reel specifications. Ensure the ordering code matches the required channel configuration and environmental ratings. Cross-reference the RoHS status directly with official documentation before procurement.

Sensor And Detector Interfaces Selection Notes

Select this model when both high-channel-count mutual capacitance and self-capacitance are required in a single IC. The QFN-20 package suits applications needing robust surface mounting. Confirm that the I2C interface aligns with the host microcontroller's available ports and voltage levels.

Sensor And Detector Interfaces Part Context

This part belongs to the IQS7222B family of touch sensor controllers. The series is designed for versatile human-machine interfaces requiring advanced gesture and proximity recognition. The B variant typically denotes specific pinout or feature sets distinct from other family members like the C series.

Sensor And Detector Interfaces FAQ

What is the maximum operating voltage for the IQS7222B101QNR?

The maximum operating voltage is 3.5 V.

Does this component support inductive sensing?

Yes, it utilizes ProxFusion technology which enables inductive touch and proximity sensing alongside capacitive detection.

What is the minimum operating temperature?

The minimum operating temperature is -40°C.