CY8CMBR3116-LQXI

Product Overview

Category

CY8CMBR3116-LQXI belongs to the category of capacitive touch controllers.

Use

This product is primarily used for implementing touch sensing capabilities in various electronic devices.

Characteristics

• Capacitive touch controller
• Supports up to 16 touch channels
• Low power consumption
• High sensitivity and accuracy
• Robust noise immunity
• Integrated hardware features for touch detection

Package

CY8CMBR3116-LQXI comes in a compact and industry-standard QFN package.

Essence

The essence of CY8CMBR3116-LQXI lies in its ability to enable touch-based user interfaces in electronic devices, providing an intuitive and interactive user experience.

Packaging/Quantity

This product is typically packaged in reels and is available in large quantities to cater to mass production requirements.

Specifications

• Number of Touch Channels: 16
• Supply Voltage Range: 1.71V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C
• On-Chip Memory: 256 bytes
• Maximum Sampling Rate: 100 Hz
• Power Consumption: Low power mode (<1 µA), active mode (varies with usage)

Detailed Pin Configuration

The CY8CMBR3116-LQXI has a total of 20 pins, each serving a specific purpose. The pin configuration is as follows:

1. VDD: Power supply voltage
2. SDA: I2C data line
3. SCL: I2C clock line
4. IRQ: Interrupt request output
5. GND: Ground
6. TCH0-TCH15: Touch channel inputs
7. RST: Reset input
8. INT: Interrupt output
9. VDDIO: I/O power supply voltage

Functional Features

• Capacitive touch sensing with up to 16 channels
• Automatic tuning for optimal performance
• Proximity sensing capability
• Gesture recognition support
• Built-in hardware filters for noise rejection
• Configurable sensitivity levels
• On-chip memory for storing configuration settings
• Sleep mode for low power consumption

Advantages and Disadvantages

Advantages

• High sensitivity and accuracy in touch detection
• Robust noise immunity ensures reliable operation
• Easy integration into various electronic devices
• Low power consumption extends battery life
• Supports advanced features like proximity sensing and gesture recognition

Disadvantages

• Limited number of touch channels (up to 16)
• Requires external microcontroller for complete system implementation
• Relatively higher cost compared to simpler touch controllers

Working Principles

CY8CMBR3116-LQXI operates on the principle of capacitive sensing. It detects changes in capacitance caused by the presence or absence of a conductive object (such as a finger) near the touch channels. The controller measures these changes and converts them into digital signals, which can then be processed by an external microcontroller.

Detailed Application Field Plans

CY8CMBR3116-LQXI finds applications in various electronic devices that require touch-based user interfaces. Some potential application fields include:

1. Consumer Electronics: Smartphones, tablets, remote controls, gaming consoles.
2. Home Appliances: Touch-enabled control panels for ovens, refrigerators, washing machines.
3. Automotive: Touchscreens, steering wheel controls, infotainment systems.
4. Industrial Control Systems: Human-machine interfaces, control panels, touch-sensitive switches.

Detailed and Complete Alternative Models

1. CY8CMBR3106-LQXI: Similar to CY8CMBR3116-LQXI but with 6 touch channels instead of 16.
2. CY8CMBR3xxx: Series of capacitive touch controllers with varying channel counts and features.

These alternative models offer flexibility in choosing the right touch controller based on specific requirements and cost considerations.

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