CPT112S-A02-GUR

Product Overview

Category

CPT112S-A02-GUR belongs to the category of capacitive touch controllers.

Use

This product is used for implementing touch-sensitive interfaces in various electronic devices, such as smartphones, tablets, home appliances, and automotive applications.

Characteristics

• Capacitive touch technology: The CPT112S-A02-GUR utilizes capacitive sensing to detect touch inputs.
• High sensitivity: It can accurately detect even the slightest touch.
• Low power consumption: Designed to operate efficiently with minimal power requirements.
• Compact package: The controller comes in a small form factor, making it suitable for space-constrained designs.
• Robustness: It is resistant to environmental factors like moisture and dust.
• Versatility: The CPT112S-A02-GUR supports multi-touch gestures and can be customized for specific applications.

Package and Quantity

The CPT112S-A02-GUR is available in a surface-mount package. Each package contains one controller unit.

Specifications

• Operating voltage: 2.4V - 5.5V
• Communication interface: I2C
• Touch channels: 12
• Operating temperature range: -40°C to +85°C
• Dimensions: 3mm x 3mm

Detailed Pin Configuration

The pin configuration of the CPT112S-A02-GUR is as follows:

| Pin Name | Function | |----------|----------| | VDD | Power supply (2.4V - 5.5V) | | GND | Ground | | SDA | I2C data line | | SCL | I2C clock line | | INT | Interrupt output | | TCH1-TCH12 | Touch channel inputs |

Functional Features

• Gesture recognition: The controller can recognize various touch gestures like tapping, swiping, and pinching.
• Proximity detection: It can detect the presence of a finger or an object near the touch surface without direct contact.
• Noise immunity: The CPT112S-A02-GUR is designed to filter out noise and interference for reliable touch detection.
• Configurability: It offers flexible configuration options to adapt to different touch sensitivity requirements.

Advantages

• High accuracy and responsiveness in touch detection.
• Low power consumption extends battery life in portable devices.
• Compact size allows for integration into small form factor designs.
• Versatile functionality supports a wide range of touch-based applications.
• Robustness ensures reliable operation in various environments.

Disadvantages

• Limited touch channels may restrict complex touch interface designs.
• Requires I2C communication interface support from the host device.

Working Principles

The CPT112S-A02-GUR operates based on capacitive sensing principles. It measures changes in capacitance caused by the proximity or touch of a conductive object, such as a finger. These changes are then processed to determine touch inputs and gestures.

Detailed Application Field Plans

The CPT112S-A02-GUR finds applications in numerous fields, including: 1. Consumer electronics: Smartphones, tablets, gaming consoles, and remote controls. 2. Home appliances: Touch-enabled control panels for ovens, refrigerators, and washing machines. 3. Automotive: Infotainment systems, climate control interfaces, and steering wheel controls. 4. Industrial automation: Human-machine interfaces (HMIs) for machinery and equipment. 5. Medical devices: Touch-sensitive interfaces for medical equipment and diagnostic devices.

Detailed Alternative Models

1. CPT113S-B01-GUR: A similar capacitive touch controller with 13 touch channels and enhanced gesture recognition capabilities.
2. CPT110S-A03-GUR: A lower-cost alternative with 10 touch channels and basic touch detection functionality.
3. CPT115S-C01-GUR: A high-end model with 15 touch channels, advanced noise immunity, and extended temperature range.

In conclusion, the CPT112S-A02-GUR is a capacitive touch controller that offers high sensitivity, low power consumption, and compact size. It finds applications in various industries and can be customized for specific touch interface requirements. While it has limitations in terms of touch channels, it provides reliable touch detection and versatile functionality.