CPT112S-A01-GMR

Product Overview

Category

The CPT112S-A01-GMR belongs to the category of capacitive touch controllers.

Use

This product is primarily used for touch sensing applications, enabling users to interact with electronic devices through touch-based inputs.

Characteristics

• Capacitive touch technology
• High sensitivity and accuracy
• Low power consumption
• Compact size
• Easy integration into various electronic devices

Package

The CPT112S-A01-GMR comes in a small surface-mount package, making it suitable for space-constrained designs.

Essence

The essence of this product lies in its ability to accurately detect touch inputs and convert them into digital signals that can be processed by the connected device.

Packaging/Quantity

The CPT112S-A01-GMR is typically packaged in reels or trays, with quantities varying based on customer requirements.

Specifications

• Operating Voltage: 2.4V to 5.5V
• Number of Touch Channels: 12
• Communication Interface: I2C
• Operating Temperature Range: -40°C to +85°C
• Power Consumption: <1µA in low-power mode

Detailed Pin Configuration

The CPT112S-A01-GMR features the following pin configuration:

1. VDD: Power supply voltage
2. GND: Ground reference
3. SDA: I2C data line
4. SCL: I2C clock line
5. IRQ: Interrupt request output
6. TCH0-TCH11: Touch channel inputs

Functional Features

• Multi-touch support
• Gesture recognition (swipe, tap, etc.)
• Proximity detection
• Noise filtering
• Adjustable sensitivity levels
• Built-in self-calibration

Advantages and Disadvantages

Advantages

• Accurate and reliable touch detection
• Low power consumption extends battery life
• Compact size allows for flexible integration
• Versatile functionality with gesture recognition and proximity detection

Disadvantages

• Limited number of touch channels (12)
• Requires I2C communication interface support in the connected device

Working Principles

The CPT112S-A01-GMR utilizes capacitive sensing technology to detect changes in capacitance caused by touch inputs. It measures the capacitance on each touch channel and converts it into a digital signal. This signal is then processed to determine the touch position, gestures, and proximity.

Detailed Application Field Plans

The CPT112S-A01-GMR finds applications in various fields, including:

1. Consumer Electronics: Smartphones, tablets, wearable devices
2. Home Automation: Touch-based control panels, switches
3. Automotive: Infotainment systems, touch-sensitive controls
4. Industrial Control: Human-machine interfaces, control panels
5. Medical Devices: Touch-enabled medical equipment

Detailed and Complete Alternative Models

1. CPT212B-A01-GMR: 16-channel capacitive touch controller with enhanced features.
2. CPT325S-A01-GMR: 32-channel capacitive touch controller for high-density touch applications.
3. CPT008S-A01-GMR: 8-channel capacitive touch controller with ultra-low power consumption.

These alternative models offer different touch channel configurations and additional features to cater to specific application requirements.

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