1 MTCH2120 Key Features

The Microchip MTCH2120, Capacitive Touch turnkey controller, equipped with an I2C (Inter-Integrated Circuit) interface, enables the application to integrate robust, water-resistant touch detection and proximity sensing. This device includes up to 12 capacitive touch channels with configurable Driven Shield(+) functionality.

  • Capacitive Touch Sensing
  • High Signal Noise Ratio (SNR)
  • Configurable Through I2C Bus
  • Adjustable Sensitivity
  • Device Configuration Support through MPLAB Data Visualizer Plugin
  • Ability to Store Complete Configuration in Non-volatile Memory
  • Host Controlled Device Configuration Check
  • MPLAB® Code Configurator (MCC) plugin to configure Microchip MCUs/MPUs as hosts
  • Multi-Stage Active Noise Suppression Filters
  • Automatic Environmental Compensation
  • Water Tolerant Touch
  • Easy tune (the ability to use touch buttons w/o tuning)
  • Low Power with Flexible Configuration
  • Lump Option with Smart Drift
  • Configurable GPIO
  • Support a Wide Range of Sensor Shapes and Sizes
  • Interrupt pin for Touch Status change
  • Option to Disable or Suspend Sensor
  • Enable or Disable Single-Button Mode
  • Option to Save Configuration
  • Brown-Out Protection
  • Operating Voltage Range: 3-5V
  • Operating Temperature: -40°C to +105°C
  • Configurable I/O Expander via I2C