Manufacturer Part Number
AT42QT1050-MMHR
Manufacturer
Microchip Technology
Introduction
The AT42QT1050-MMHR is a capacitive touch sensor controller designed for button applications.
Product Features and Performance
Capable of managing up to 5 touch inputs
Proximity detection enabled
Uses QTouch™ technology for reliable touch sensing
Integrated I2C interface for easy communication
Supports a wide voltage supply range from 1.8V to 5.5V
Operable in extreme temperatures ranging from -40°C to 85°C
Surface mount technology for compact board design
Product Advantages
High sensitivity and noise immunity
Low power consumption contributes to longer battery life in portable devices
Automatic recalibration ensures consistent performance
Offers self and mutual capacitance sensing
Key Technical Parameters
Number of Inputs: Up to 5
Proximity Detection: Yes
Interface: I2C
Voltage - Supply: 1.8V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
Package / Case: 20-VFQFN Exposed Pad
Supplier Device Package: 20-VQFN (3x3)
Quality and Safety Features
Built-in safeguards for overvoltage and under voltage conditions
Excellent EMC (electromagnetic compatibility)
Compatibility
Supports a broad range of microcontrollers with an I2C interface
Application Areas
Consumer electronics
Home appliances
Automotive controls
Industrial interfaces
Product Lifecycle
Active status with no indication of discontinuation
Availability of replacements or upgrades to be confirmed by manufacturer
Several Key Reasons to Choose This Product
Highly responsive touch sensing technology
Versatile for a variety of user interface designs
Robust performance in harsh environmental conditions
Ease of integration into multiple applications with I2C interface
Proven reliability and support from Microchip Technology