AT42QT1040-MMHR

The AT42QT1040-MMHR is a single-key touch sensor controller manufactured by Microchip Technology. It is designed for easy integration into various capacitive touch sensing applications, providing reliable touch detection and robust performance.

Key Features:

• Capacitive Touch Sensing: Utilizes capacitive sensing technology for reliable and responsive touch detection.
• Single-Key Controller: Designed to detect the touch of a single key or button, suitable for simple user interface applications.
• Integrated Hardware: Includes all necessary hardware components for touch sensing, simplifying system design and reducing external components.
• Automatic Tuning: Automatically tunes the sensing parameters for optimal performance and sensitivity.
• Low Power Consumption: Operates efficiently to conserve power, suitable for battery-powered devices and energy-conscious applications.
• Digital Output: Provides a digital output signal indicating touch detection for easy integration with microcontrollers or other digital systems.
• Wide Operating Voltage Range: Supports a wide range of supply voltages for compatibility with various power sources and system configurations.
• Small Form Factor: Available in a compact surface-mount package, enabling space-efficient PCB layout and design.
• Robust Performance: Offers robust noise immunity and environmental stability for reliable operation in diverse conditions.
• Simple Configuration: Configured via simple I2C or UART interface, allowing easy adjustment of settings and parameters.

Technical Specifications:

• Operating Voltage: 1.8V to 5.5V
• Number of Keys: 1 (Single-key controller)
• Communication Interface: I2C or UART
• Package Type: 8-pin SOIC (Small Outline Integrated Circuit)
• Operating Temperature: -40°C to +85°C
• Supply Current: Low operating current for efficient power consumption
• Integrated EEPROM: On-chip EEPROM for storing configuration settings
• Data Sheet: AT42QT1040-MMHR Datasheet

Applications:

• Consumer Electronics: Remote controls, keypads, touch-sensitive buttons.
• Appliances: Microwave ovens, washing machines, coffee makers.
• Automotive: Car infotainment systems, steering wheel controls, door handles.
• Industrial Control: Control panels, switches, instrumentation.
• Medical Devices: Patient monitoring devices, diagnostic equipment, medical instruments.
• Home Automation: Smart switches, lighting controls, security systems.
• Gaming: Gaming consoles, handheld gaming devices, arcade machines.