IQS7211A001CSR

Overview

The IQS7211A001CSR is a ProxSense capacitive touch and proximity trackpad controller by Azoteq. It supports up to 32 channels with flexible self/mutual capacitance configurations for display wake-up. The device features automatic sensor tuning, low power proximity detection, and single-finger gesture recognition. It provides high-resolution coordinate outputs at report rates up to 100 Hz and includes integrated noise filtering and water immunity. Operating on a supply voltage of 1.71 V to 3.5 V, it communicates via an I2C interface with IRQ/RDY capabilities.

Feature Summary

• Supports up to two fingers tracking with high resolution coordinate outputs
• Features automatic sensor tuning and internal voltage regulation
• Includes single finger gesture recognition engine
• Provides ultra-low power wake-up options

Applications

• Fitness bands
• True Wireless Stereo (TWS) earbuds
• Game controller touch pads
• Headphones

Procurement Notes

Verify the specific ordering suffix against the manufacturer's datasheet to confirm package type and pre-programmed settings. Confirm RoHS compliance status and moisture sensitivity levels prior to PCB assembly. Ensure the design accommodates the required decoupling capacitors as specified in the electrical characteristics section.

Selection Notes

Select this component for applications requiring compact trackpad solutions with gesture support. Consider the WLCSP18 or QFN20 package availability based on board space constraints. Evaluate the power consumption requirements against the available low-power modes if battery operation is critical.

Part Context

This part belongs to the IQ Switch ProxSense series, designed for versatile trackpad touchscreen controllers. It integrates proximity, touch, and gesture outputs into a single IC. The series emphasizes low power operation and high sensitivity for consumer electronics.

Replacement Considerations

Check for updated revisions within the IQS7211A family. Verify pin compatibility if substituting with other Azoteq ProxSense devices.