AT42QT2120-XU - Microchip Technology

Manufacturer Part Number

AT42QT2120-XU

Manufacturer

Microchip Technology

Introduction

AT42QT2120-XU is a capacitive touch controller IC designed for implementing button, slider, and wheel touch interfaces.

Product Features and Performance

Capacitive touch sensing with support for buttons, sliders, and wheels

Proximity detection capability

Supports up to 12 touch inputs

Provides up to 10 LED driver channels

Communication via I2C interface

Flexible voltage supply range from 1.8V to 5.5V

Operating temperature range from -40°C to 85°C

Surface mount 20-TSSOP package for PCB assembly

Product Advantages

Robust touch performance in a wide operating range

Offers integrated functionality reducing external component count

Can drive LEDs for visual touch feedback

Supports a wide range of applications with versatile input options

Key Technical Parameters

Up to 12 touch inputs

Up to 10 LED driver channels

I2C interface

Supply voltage from 1.8V to 5.5V

20-TSSOP (0.173", 4.40mm Width) package

Quality and Safety Features

Designed to withstand noisy environments

Compatible with standard manufacturing processes

Compatibility

Suitable for various capacitive touch applications

Can be used with a broad range of capacitive touch panels and sensors

Application Areas

Consumer Electronics

Automotive controls

Industrial control panels

Home automation systems

Product Lifecycle

Active status - product is currently being produced and supplied

No indication of nearing discontinuation at the time of knowledge cutoff

Several Key Reasons to Choose This Product

Reliable capacitive touch technology from a reputable manufacturer

Integrated features limit the need for additional components

Proximity detection adds to user interface capabilities

Versatility in supporting multiple types of touch inputs

Resilience in harsh temperature conditions

Broad compatibility with many applications and systems