CAP1128-1-BP-TR

Product Overview

Category

CAP1128-1-BP-TR belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for capacitive touch sensing applications.

Characteristics

• Integrated circuit
• Capacitive touch sensing technology
• Low power consumption
• Small form factor

Package

The CAP1128-1-BP-TR is available in a small outline package (SOP) format.

Essence

The essence of CAP1128-1-BP-TR lies in its ability to enable capacitive touch sensing in various electronic devices.

Packaging/Quantity

The product is typically packaged in reels and is available in quantities suitable for mass production.

Specifications

• Number of capacitive touch sensor inputs: 8
• Supply voltage range: 1.71V to 3.63V
• Operating temperature range: -40°C to +85°C
• Communication interface: I2C
• Power consumption: Low power mode available
• Dimensions: Varies based on package type

Detailed Pin Configuration

The CAP1128-1-BP-TR features the following pin configuration:

1. VDD - Power supply input
2. SDA - I2C data line
3. SCL - I2C clock line
4. IRQ - Interrupt output
5. GND - Ground connection
6. TCH0-TCH7 - Capacitive touch sensor inputs

Functional Features

• Capacitive touch sensing: The CAP1128-1-BP-TR enables touch detection through capacitive sensing technology.
• Multi-channel support: It supports up to 8 capacitive touch sensor inputs, allowing for versatile touch control options.
• Low power consumption: The product offers low power modes, making it suitable for battery-powered devices.
• Interrupt output: The IRQ pin provides an interrupt signal to the host microcontroller when a touch event is detected.

Advantages and Disadvantages

Advantages

• High sensitivity and accuracy in touch detection
• Compact size for easy integration into various devices
• Low power consumption extends battery life
• Versatile multi-channel support

Disadvantages

• Requires external microcontroller for full functionality
• Limited number of touch sensor inputs (8)

Working Principles

The CAP1128-1-BP-TR utilizes capacitive touch sensing technology to detect touch events. It measures changes in capacitance caused by the proximity or touch of a conductive object, such as a finger. These changes are then processed and interpreted as touch inputs.

Detailed Application Field Plans

The CAP1128-1-BP-TR finds applications in various fields, including:

1. Consumer electronics: Touch-sensitive buttons, sliders, and wheels in smartphones, tablets, and remote controls.
2. Home automation: Touch-based control panels for lighting, temperature, and security systems.
3. Automotive: Capacitive touch interfaces for infotainment systems, climate control, and vehicle controls.
4. Industrial control: Human-machine interfaces (HMIs) for machinery and equipment control.
5. Medical devices: Touch-sensitive interfaces for medical equipment and devices.

Detailed and Complete Alternative Models

1. CAP1188-1-BP-TR: Similar to CAP1128-1-BP-TR, but with 10 capacitive touch sensor inputs.
2. CAP1298-1-BP-TR: Offers 12 capacitive touch sensor inputs and additional features like proximity sensing.
3. CAP1166-1-BP-TR: Provides 6 capacitive touch sensor inputs and supports I2C communication.

These alternative models offer similar functionality to CAP1128-1-BP-TR but with varying specifications and capabilities.

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