MTCH112-I/SN

Product Overview

• Belongs to: Capacitive Touch Controller
• Category: Electronic Component
• Use: Used for implementing capacitive touch buttons, sliders, and wheels
• Characteristics: High sensitivity, low power consumption, compact size
• Package: Surface Mount
• Essence: Provides touch detection functionality for electronic devices
• Packaging/Quantity: Comes in reels of 2500 units

Specifications

• Input Voltage: 1.8V to 5.5V
• Number of Channels: 12
• Interface: I2C
• Operating Temperature: -40°C to 85°C
• Dimensions: 3mm x 3mm
• RoHS Compliant: Yes

Detailed Pin Configuration

1. VDD - Power Supply
2. SDA - I2C Data
3. SCL - I2C Clock
4. INT - Interrupt Output
5. GND - Ground
6. TCHx - Touch Sensing Channels (x = 0 to 11)

Functional Features

• Capacitive touch sensing with auto-calibration
• Proximity detection
• Low-power sleep mode
• Noise filtering
• Configurable sensitivity settings

Advantages

• Small form factor
• Wide operating voltage range
• Easy integration with microcontrollers
• Low power consumption
• Robust touch detection

Disadvantages

• Limited to I2C interface
• Requires external components for button/LED integration

Working Principles

The MTCH112-I/SN utilizes capacitive sensing technology to detect touch and proximity. It measures changes in capacitance on the touch channels and converts them into digital signals. The controller then communicates this data to the host microcontroller via the I2C interface.

Detailed Application Field Plans

• Consumer electronics: Smartphones, tablets, remote controls
• Home appliances: Touch panel controls for ovens, microwaves
• Automotive: Touch-based infotainment systems, climate controls
• Industrial control panels: Human-machine interfaces, control panels

Detailed and Complete Alternative Models

1. MTCH101 - 7-channel capacitive touch controller
2. MTCH6102 - 16-channel capacitive touch controller
3. AT42QT1010 - Single-key capacitive touch controller

This comprehensive entry provides a detailed overview of the MTCH112-I/SN capacitive touch controller, covering its specifications, features, applications, and alternatives.

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