Microchip Technology

AT42QT2120-XU  

Sensor and Detector Interfaces

AT42QT2120-XU Description

The AT42QT2120-XU is a high-performance touch sensor IC from Microchip Technology, designed for applications requiring up to 12 capacitive touch inputs. This device is part of the QTouch™ series and offers a versatile solution for buttons, sliders, and wheels, with an I2C interface for easy integration into various systems. The AT42QT2120-XU operates over a wide voltage range of 1.8V to 5.5V, making it suitable for a variety of power supply scenarios.

AT42QT2120-XU Features

• Series: QTouch™, a renowned series for touch sensing solutions.
• Type: Suitable for buttons, sliders, and wheels, offering flexibility in design.
• Voltage - Supply: Wide range of 1.8V to 5.5V, ensuring compatibility with various power sources.
• Interface: I2C, a popular and efficient interface for communication in embedded systems.
• LED Driver Channels: Supports up to 10 channels, enabling integration with LED-based user interfaces.
• Number of Inputs: Can handle up to 12 touch inputs, ideal for complex touch-sensitive applications.
• Proximity Detection: Yes, enhancing user interaction capabilities.
• Mounting Type: Surface Mount, facilitating easy installation on PCBs.
• RoHS Status: ROHS3 Compliant, ensuring environmental friendliness and regulatory adherence.
• REACH Status: REACH Unaffected, indicating compliance with European chemical regulations.
• Moisture Sensitivity Level (MSL): 3 (168 Hours), providing robustness against moisture.

AT42QT2120-XU Applications

The AT42QT2120-XU is ideal for a wide range of applications where touch sensitivity and user interaction are crucial:

• Consumer Electronics: Touch-sensitive controls in appliances, such as washing machines and ovens.
• Industrial Controls: User interfaces for industrial machinery, providing a clean and modern control scheme.
• Automotive: In-car touch controls for infotainment systems and climate control.
• Medical Devices: Touch interfaces for medical equipment, ensuring sterility and ease of use.
• IoT Devices: Smart home devices and wearables that require touch input for control and interaction.

Conclusion of AT42QT2120-XU

The AT42QT2120-XU stands out with its robust feature set, wide voltage range, and I2C interface, making it a versatile choice for various touch-sensitive applications. Its compliance with environmental regulations and moisture sensitivity level further enhance its appeal for designers looking for a reliable and eco-friendly touch sensor solution. With its ability to handle up to 12 inputs and support for LED drivers, the AT42QT2120-XU is well-positioned to meet the demands of modern electronic devices.

AT42QT2120-XU Documents

Download datasheets and manufacturer documentation for AT42QT2120-XU

PCN Assembly/Origin :

Fab Site 28/Jan/2021      

Datasheets :

AT42QT2120      

PCN Packaging :

Boxes 07/Dec/2016       MBB/Label Chgs 16/Nov/2018      

HTML Datasheet :

AT42QT2120      

PCN Design/Specification :

Marking Chgs 11/Jul/2017       Cu Wire Bonding Add 22/Oct/2015      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH