TCA9539PWR - Texas Instruments

Manufacturer Part Number

TCA9539PWR

Manufacturer

Texas Instruments

Introduction

The TCA9539PWR is an I/O expander from Texas Instruments designed to provide additional input/output interfaces through an I2C or SMBus connection.

Product Features and Performance

16 I/O ports

Interface support for I2C and SMBus

Interrupt output capability

Power-on Reset (POR) Feature

Push-Pull output type

Clock frequency up to 400 kHz

Product Advantages

Expands I/O capabilities efficiently

Supports multiple bus interface types

Built-in reset feature enhances system stability

High clock frequency for faster data transmission

Key Technical Parameters

Number of I/O: 16

Interface: I2C, SMBus

Current - Output Source/Sink: 10mA, 25mA

Voltage - Supply: 1.65V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Robust operating temperature range of -40°C to 85°C

Compatibility

Compatible with devices that support I2C or SMBus interfaces

Application Areas

Designed for applications needing additional I/Os in microcontroller-based systems such as consumer electronics, automotive, industrial controls.

Product Lifecycle

Status: Active

Not reported to be near discontinuation

Availability of replacements or upgrades not specified

Several Key Reasons to Choose This Product

Enhanced expansion of input/output interfaces

High compatibility with I2C and SMBus supported devices

Suitable for a wide range of operating temperatures

Provides stable performance with Power-on Reset feature

Push-Pull output type for better signal integrity