AT42QT1070-MMHR - Microchip Technology

Manufacturer Part Number

AT42QT1070-MMHR

Manufacturer

Microchip Technology

Introduction

AT42QT1070-MMHR is a capacitive touch sensor controller designed for user interface applications with up to 7 touch keys.

Product Features and Performance

Supports up to 7 capacitive touch inputs

Up to 5 LED driver channels

I2C interface for communication with microcontrollers

Auto drift compensation

Adjacent Key Suppression® (AKS®) technology for selective key suppression

Guard channel feature for improved noise immunity

Self-calibration and auto drift compensation enhances reliability

Moisture and water tolerance

Power management techniques to reduce power consumption

Product Advantages

Low power consumption ideal for battery-powered applications

Advanced touch sensing capabilities for robust and reliable touch interfaces

Easy communication setup with I2C interface

Enhanced touch detection in the presence of moisture

Small form factor for space-sensitive applications

Key Technical Parameters

Operating Voltage: 1.8V to 5.5V

Operating Temperature: -40°C to 85°C

Mounting Type: Surface Mount

Package: 20-VFQFN Exposed Pad

Supplier Device Package: 20-VQFN (3x3)

Series: QTouch™

Resolution: Not applicable (capacitive touch sensing)

Quality and Safety Features

Built-in self-test capabilities

Under voltage lockout

Over-temperature protection

Error detection and reporting mechanisms

Compatibility

Compatible with a range of microcontrollers over I2C

QTouch™ library support for easy integration

Application Areas

Consumer electronics

Industrial control panels

Portable devices

Home appliances

Automotive applications

Product Lifecycle

Active status indicating ongoing production and support

Not reported as nearing discontinuation

Replacement or upgrade paths may be offered through the manufacturer's product refresh cycle

Several Key Reasons to Choose This Product

Proven technology from industry leader Microchip Technology

Versatile power supply range accommodating various design needs

Strong environmental tolerance, increasing durability in end products

Extensive support through Microchip's design tools and QTouch™ technology

Reliable performance with advanced features like AKS® technology for complex touch interface designs

Flexible usage in a wide array of applications due to its small package size and robust operational features