AT42QT2120-SUR - Microchip Technology

Manufacturer Part Number

AT42QT2120-SUR

Manufacturer

Microchip Technology

Introduction

The AT42QT2120-SUR is a capacitive touch sensor interface from Microchip Technology's QTouch™ Series designed for sensing button, slider, and wheel inputs.

Product Features and Performance

Offers proximity detection capabilities

Handles up to 12 inputs

Drives up to 10 LED channels

I2C interface for communication

8V to 5.5V supply voltage range

Designed for surface mount application

Operational in a wide temperature range from -40°C to 85°C

Product Advantages

Integrates multiple input sensing in a single chip

Supports a wide voltage range for versatile use

Low power consumption for energy-efficient designs

Proximity sensing for added functionality

Advanced noise tolerance for reliable operation

Key Technical Parameters

Number of Inputs: Up to 12

LED Driver Channels: Up to 10

Interface: I2C

Supply Voltage: 1.8V to 5.5V

Operating Temperature: -40°C to 85°C

Quality and Safety Features

Robust design for operation in industrial temperature ranges

Compliant with safety and regulatory standards

Compatibility

Compatible with various microcontrollers via I2C

Mountable on standard 20-SOIC footprint

Application Areas

Consumer electronics

Automotive interfaces

Industrial controls

Home automation systems

Product Lifecycle

Status: Active

Not currently near discontinuation

Availability of Replacements or Upgrades: Likely given the active status

Reasons to Choose This Product

Versatile touch sensor solution for a range of applications

Supports multiple user interface designs with buttons, sliders, and wheels

Easy integration into existing designs with an I2C interface

Suitable for battery-powered devices due to low power supply requirements

Provides additional user experience via proximity detection feature

Robust performance across a wide range of operating conditions

Backed by Microchip Technology's reputation for quality and support