TCA9534ADWT

Product Overview

Category

TCA9534ADWT 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

• TCA9534ADWT is a 16-bit I/O expander with an I2C interface.
• It provides 16 general-purpose I/O pins that can be configured as inputs or outputs.
• The device operates at a voltage range of 1.65V to 5.5V, making it suitable for a wide range of applications.
• It has a low standby current consumption, which helps in power-sensitive designs.

Package

TCA9534ADWT is available in a small-sized TSSOP-24 package.

Essence

The essence of TCA9534ADWT lies in its ability to expand the number of I/O pins available in a system, enabling greater flexibility and functionality.

Packaging/Quantity

This IC is typically sold in reels, with each reel containing a specific quantity of TCA9534ADWT chips. The exact quantity may vary depending on the manufacturer and supplier.

Specifications

• Supply Voltage: 1.65V to 5.5V
• Number of I/O Pins: 16
• Interface: I2C
• Package Type: TSSOP-24
• Operating Temperature Range: -40°C to +85°C
• Standby Current: 1µA (typical)

Detailed Pin Configuration

The pin configuration of TCA9534ADWT is as follows:

```

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| | | U1 | |_______________|

   Pinout

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| | | SDA | | SCL | | INT(n) | | A0-A2 | | P0-P7 | |_______________________| ```

Functional Features

• I2C interface allows easy communication with microcontrollers or other devices.
• Each I/O pin can be individually configured as an input or output.
• Configurable interrupt output for efficient event-driven systems.
• Internal pull-up resistors for inputs, reducing external component count.
• Supports hot insertion and removal of devices without affecting the system.

Advantages and Disadvantages

Advantages

• Provides additional I/O pins, expanding the capabilities of a system.
• Low standby current consumption helps in power-sensitive designs.
• Wide operating voltage range allows compatibility with various systems.
• Configurable interrupt output enhances system efficiency.

Disadvantages

• Limited to 16 I/O pins, may not be sufficient for complex applications requiring a large number of I/Os.
• Requires I2C communication protocol support from the host device.

Working Principles

TCA9534ADWT operates by receiving commands and data through the I2C interface. The host device communicates with the IC using the I2C bus, configuring individual pins as inputs or outputs. The IC then responds accordingly, either reading the state of input pins or driving the output pins based on the received commands.

Detailed Application Field Plans

TCA9534ADWT finds applications in various fields, including but not limited to: - Industrial automation - Consumer electronics - Automotive systems - Internet of Things (IoT) devices - Robotics

In industrial automation, it can be used for controlling sensors, actuators, and other peripheral devices. In consumer electronics, it can expand the I/O capabilities of devices such as smart home systems, audio/video equipment, and gaming consoles. In automotive systems, it can be utilized for controlling lighting, switches, and other functions. In IoT devices, it can enable connectivity and control of various sensors and actuators. In robotics, it can be used for controlling motors, sensors, and other components.

Detailed and Complete Alternative Models

Some alternative models to TCA9534ADWT that offer similar functionality include: - MCP23017 - PCF8574 - MAX7313 - SX1509 - PCA9555

These alternatives provide comparable I/O expansion capabilities and are widely used in the industry.

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