TCA9554DBR

Product Overview

Category

TCA9554DBR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for input/output (I/O) expansion in various electronic devices.

Characteristics

• TCA9554DBR is a 16-bit I/O expander with an I2C interface.
• It operates at a voltage range of 1.65V to 5.5V, making it suitable for a wide range of applications.
• The device has 16 individually programmable GPIO pins.
• It offers both input and output capabilities, allowing for flexible usage.
• TCA9554DBR is designed to provide reliable performance and low power consumption.

Package

The TCA9554DBR IC is available in a small outline package (SOIC) with 16 pins.

Essence

The essence of TCA9554DBR lies in its ability to expand the number of I/O pins available in electronic systems, enabling greater connectivity and functionality.

Packaging/Quantity

TCA9554DBR is typically sold in reels or tubes, with each reel containing 2500 units.

Specifications

• Supply Voltage: 1.65V to 5.5V
• Number of I/O Pins: 16
• Interface: I2C
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-16

Detailed Pin Configuration

The pin configuration of TCA9554DBR is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | SDA | Serial Data Input/Output | | 2 | SCL | Serial Clock Input | | 3-18 | P0-P15 | Programmable I/O Pins |

Functional Features

• I2C interface allows for easy integration with microcontrollers and other devices.
• Each pin can be individually configured as an input or output.
• Configurable interrupt output for efficient event handling.
• Internal pull-up resistors for convenient usage.
• Low standby current consumption for power efficiency.

Advantages and Disadvantages

Advantages

• Provides additional I/O pins, expanding the connectivity options of electronic systems.
• Flexible configuration options for each pin.
• Easy integration with existing I2C-based systems.
• Low power consumption ensures energy efficiency.

Disadvantages

• Limited to 16 I/O pins, which may not be sufficient for complex applications requiring a large number of connections.
• Requires knowledge of I2C protocol for proper usage and configuration.

Working Principles

TCA9554DBR operates based on the I2C communication protocol. It communicates with the master device (e.g., microcontroller) through the SDA (Serial Data) and SCL (Serial Clock) lines. The master device sends commands to configure the I/O pins as inputs or outputs, read input states, or write output states. The TCA9554DBR responds accordingly and provides the desired functionality.

Detailed Application Field Plans

TCA9554DBR finds application in various fields, including but not limited to: 1. Consumer electronics: Used in smart home devices, remote controls, and audio/video equipment. 2. Industrial automation: Enables expansion of I/O capabilities in control systems and industrial machinery. 3. Automotive electronics: Integrated into automotive modules for enhanced connectivity and control. 4. Internet of Things (IoT): Facilitates I/O expansion in IoT devices, enabling seamless integration with sensors and actuators. 5. Medical devices: Utilized in medical equipment for increased connectivity and functionality.

Detailed and Complete Alternative Models

1. MCP23017: Similar I/O expander IC with 16 pins and I2C interface.
2. PCF8574: 8-bit I/O expander IC with I2C interface.
3. MAX7313: 16-bit I/O expander with serial interface.

These alternative models offer similar functionality to TCA9554DBR and can be considered based on specific requirements and compatibility.

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