MTCH105 5-Channel Touch Controller

The Microchip mTouch MTCH105 Proximity/Touch Controller with simple digital output provides an easy way to add  proximity  or  touch  detection  to  any  application. This  device  family  implements  capacitive  sensors  with  active guarding  capability.  The  sensitivity  and  power  mode  can  be  configured  through  the  MTSA  and  MTPM  pins.  The MTCH105  devices  also  use  an  advanced  optimization  algorithm  to  actively  suppress  noise  from  the  signal to achieve reliable proximity/touch detection.

Features of MTCH105 Touch IC

• Capacitive Proximity and Touch Detection System:

            -  High Signal to Noise Ratio (SNR)
            -  Adjustable sensitivity with compensation for different sensor sizes
            -  Multi-stage active noise suppression filters
            -  Automatic environmental compensation
            -  Support wide range of sensor shapes and sizes

• Simple I/O Interface with Existing System

• Smart Scan Scheduling

• Threshold Hysteresis

• Flexible Low-Power mode

• Brown-Out Protection

• Operating Voltage Range: 2.05V to 3.6V

• Operating Temperature: 40°C to +85°C

Applications of MTCH105T-I/ST

• Light Switch

• Portable Device Enabler

• White Goods and Appliance

• Office Equipment and Toys

• Display and Keypad Back-lighting Activation

Related Link

MTCH105T-I/ST 5-Channel Proximity/Touch Controller PDF