MWCT1101CLH

Product Overview

• Category: Integrated Circuit
• Use: Capacitive Touch Controller
• Characteristics: High sensitivity, low power consumption
• Package: CLCC (Ceramic Leadless Chip Carrier)
• Essence: Advanced touch control technology
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Operating Voltage: 2.8V - 3.6V
• Operating Temperature: -40°C to +85°C
• Interface: I2C (Inter-Integrated Circuit)
• Number of Channels: 10
• Sensing Method: Mutual Capacitance
• Resolution: 12-bit
• Sampling Rate: Up to 100 Hz
• Power Consumption: 5 µA in Sleep Mode, 150 µA in Active Mode

Detailed Pin Configuration

The MWCT1101CLH has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power Supply Voltage | | 2 | GND | Ground | | 3 | SDA | I2C Serial Data Line | | 4 | SCL | I2C Serial Clock Line | | 5 | IRQ | Interrupt Request Output | | 6-15 | CH0-CH9 | Capacitive Touch Channel Inputs |

Functional Features

• High sensitivity touch detection
• Supports multi-touch gestures
• Noise filtering for reliable operation
• Automatic tuning for optimal performance
• Low power consumption for extended battery life
• Built-in interrupt functionality for efficient event handling

Advantages and Disadvantages

Advantages

• Accurate and responsive touch control
• Easy integration with various microcontrollers
• Low power consumption extends battery life
• Supports multi-touch gestures for enhanced user experience

Disadvantages

• Limited to 10 touch channels
• Requires external components for complete touch sensing system

Working Principles

The MWCT1101CLH utilizes mutual capacitance sensing technology to detect touch inputs. It measures changes in capacitance caused by the proximity of a conductive object, such as a finger, to the touch channels. The controller converts these capacitance changes into digital signals that can be processed by a microcontroller.

Detailed Application Field Plans

The MWCT1101CLH is suitable for a wide range of applications including:

1. Consumer Electronics:

   • Smartphones and tablets
   • Wearable devices
   • Home appliances

2. Automotive:

   • Infotainment systems
   • Climate control panels
   • Steering wheel controls

3. Industrial Control:

   • Human-machine interfaces
   • Control panels
   • Touch-enabled displays

4. Medical Devices:

   • Patient monitoring systems
   • Diagnostic equipment
   • Portable medical devices

Alternative Models

Here are some alternative models that offer similar functionality:

1. MWCT1201CLH: 12-channel capacitive touch controller with extended features.
2. MWCT1000CLH: 8-channel capacitive touch controller for cost-sensitive applications.
3. MWCT1301CLH: 16-channel capacitive touch controller with advanced noise immunity.

These alternative models provide options with varying channel counts and additional features to suit different application requirements.

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