Microchip Technology

AT42QT1110-AUR  

Sensor and Detector Interfaces

AT42QT1110-AUR Description

The AT42QT1110-AUR from Microchip Technology is a high-performance capacitive touch sensor IC designed for up to 11 input channels, making it ideal for applications requiring multiple touch-sensitive buttons. Operating within a 3V to 5.5V supply range, it consumes 12mA current, ensuring efficient power usage. The device features an SPI interface for seamless communication with microcontrollers and supports up to 7 LED driver channels, enabling visual feedback for touch interactions. Packaged in a 32TQFP and available in Tape & Reel (TR), it is suited for surface-mount assembly in compact designs.

AT42QT1110-AUR Features

• QTouch™ Technology: Provides robust touch sensing with high noise immunity.
• Multi-Button Support: Up to 11 independent inputs for versatile UI designs.
• Integrated LED Drivers: 7 channels for direct LED control, reducing external components.
• Low Power Operation: 3V–5.5V range with 12mA supply current for energy efficiency.
• SPI Interface: Enables easy integration with host controllers.
• RoHS3 & REACH Compliant: Meets environmental and safety standards.
• Proximity Detection: Not supported, focusing purely on touch sensing.

AT42QT1110-AUR Applications

• Consumer Electronics: Touch panels for appliances, remote controls, and gaming devices.
• Industrial Controls: Human-machine interfaces (HMIs) with tactile feedback.
• Automotive: Dashboard controls and infotainment systems.
• Home Automation: Smart switches and lighting controls.
• Medical Devices: Hygienic touch interfaces requiring reliability.

Conclusion of AT42QT1110-AUR

The AT42QT1110-AUR stands out for its high channel count, integrated LED drivers, and SPI interface, making it a superior choice for multi-button touch applications. Its low-voltage operation and compliance with industry standards ensure broad compatibility and reliability. Ideal for consumer, industrial, and automotive applications, this IC combines performance with ease of integration, offering a cost-effective solution for advanced touch interfaces.

AT42QT1110-AUR Documents

Download datasheets and manufacturer documentation for AT42QT1110-AUR

PCN Part Number :

SL Code Number Update 25/Oct/2016      

PCN Assembly/Origin :

Fabrication Site 27/Sep/2023      

Datasheets :

AT42QT1110-MU/AU Datasheet       Application Specific QTouch Solutions      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       Tape and Reel Label Update 10/Feb/2015      

HTML Datasheet :

AT42QT1110-MU/AU Datasheet       Application Specific QTouch Solutions      

PCN Design/Specification :

Marking Chgs 11/Jul/2017      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH