CAP1166-1-BP-TR

Product Overview

Category: Integrated Circuit (IC)

Use: The CAP1166-1-BP-TR is a versatile touch sensor controller IC designed for various applications that require touch-based input. It enables the implementation of capacitive touch buttons, sliders, and wheels in electronic devices.

Characteristics: - Capacitive touch sensor controller - Supports up to 6 touch inputs - Low power consumption - I2C interface for easy integration - Built-in LED drivers for backlighting - Noise filtering capabilities

Package: The CAP1166-1-BP-TR is available in a small form factor package, making it suitable for compact electronic devices. The package type is BP (Bodyless Package), which allows for easier PCB assembly.

Essence: The essence of the CAP1166-1-BP-TR lies in its ability to provide reliable and responsive touch sensing capabilities for user interfaces in electronic devices.

Packaging/Quantity: The CAP1166-1-BP-TR is typically supplied in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Supply Voltage: 1.8V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• I2C Bus Speed: Up to 400kHz
• Touch Input Channels: 6
• LED Drivers: 6
• Power Consumption: Low power mode available
• Dimensions: Small form factor package

Detailed Pin Configuration

The CAP1166-1-BP-TR features the following pin configuration:

1. VDD - Power supply voltage
2. SDA - I2C serial data line
3. SCL - I2C serial clock line
4. IRQ - Interrupt request output
5. GND - Ground
6. LED1 - LED driver output 1
7. LED2 - LED driver output 2
8. LED3 - LED driver output 3
9. LED4 - LED driver output 4
10. LED5 - LED driver output 5
11. LED6 - LED driver output 6
12. TCH1 - Touch input channel 1
13. TCH2 - Touch input channel 2
14. TCH3 - Touch input channel 3
15. TCH4 - Touch input channel 4
16. TCH5 - Touch input channel 5
17. TCH6 - Touch input channel 6

Functional Features

• Capacitive touch sensing: The CAP1166-1-BP-TR utilizes capacitive sensing technology to detect touch inputs accurately and reliably.
• Noise filtering: It incorporates advanced noise filtering algorithms to minimize false touch detections caused by environmental factors.
• LED backlighting: The built-in LED drivers allow for easy implementation of backlighting effects, enhancing the visual appeal of touch-sensitive interfaces.
• Low power consumption: The IC offers a low-power mode, reducing energy consumption in battery-powered devices.

Advantages and Disadvantages

Advantages: - Versatile touch sensor controller suitable for various applications - Easy integration with I2C interface - Compact package size for space-constrained designs - Built-in LED drivers simplify backlighting implementation - Efficient noise filtering for reliable touch detection

Disadvantages: - Limited number of touch input channels (up to 6) - Requires external components for complete touch sensing system implementation

Working Principles

The CAP1166-1-BP-TR operates based on the principle of capacitive sensing. When a conductive object, such as a finger, approaches or touches a touch input channel, it causes a change in the capacitance of the channel. The IC detects these capacitance changes and translates them into touch events.

The touch sensor controller utilizes an I2C interface to communicate with the host microcontroller or system. It provides touch status information and receives commands for configuration and control.

Detailed Application Field Plans

The CAP1166-1-BP-TR finds applications in various electronic devices that require touch-based input interfaces. Some potential application fields include:

1. Consumer Electronics:

   • Smartphones and tablets
   • Remote controls
   • Gaming consoles

2. Home Automation:

   • Touch-sensitive light switches
   • Thermostats
   • Security systems

3. Automotive:

   • Infotainment systems
   • Climate control panels
   • Steering wheel controls

4. Industrial Control:

   • Human-machine interfaces (HMI)
   • Control panels
   • Keypads

Detailed and Complete Alternative Models

1. CAP1188-1-BP-TR: Similar to CAP1166-1-BP-TR, but offers 8 touch input channels instead of 6.
2. CAP1298-1-BP-