Manufacturer Part Number
AT42QT1244-MU
Manufacturer
Microchip Technology
Introduction
Capacitive touch sensor controller for interface applications
Product Features and Performance
Capacitive touch sensing technology
Supports up to 24 button inputs
I2C interface for communication with microcontrollers
10-bit resolution for precise touch detection
Hardware configurable I2C address
Sensor tuning to optimize performance for different panel sizes and materials
Product Advantages
Offers robust touch detection with QMatrix™ technology
Enables design of interfaces with multiple touch buttons
Low power consumption ideal for battery-operated devices
Key Technical Parameters
Up to 24 inputs
10 b resolution
3V to 5V supply voltage range
6mA supply current
Operating temperature from -40°C to 105°C
Quality and Safety Features
Built to operate reliably in a wide temperature range
Quality ensured by Microchip Technology's manufacturing standards
Compatibility
Compatible with most microcontrollers that support I2C interface
Application Areas
Consumer electronics
Home appliances
Automotive interfaces
Industrial controls
Product Lifecycle
Product status is active
Not approaching discontinuation
Replacements or upgrades should be sourced from Microchip's QMatrix™ series if needed
Several Key Reasons to Choose This Product
Robust sensor technology from Microchip Technology
The ability to create a versatile user interface with up to 24 buttons
Ease of integration with existing systems via I2C
Long-term reliability in different environmental conditions
Support for a wide range of supply voltages for flexible design choices