TCA6408AQPWRQ1 - Texas Instruments

Manufacturer Part Number

TCA6408AQPWRQ1

Manufacturer

Texas Instruments

Introduction

The TCA6408AQPWRQ1 is an 8-bit I/O expander designed for the I2C and SMBus interfaces, primarily used in automotive applications.

Product Features and Performance

8-bit I/O expander

I2C and SMBus interface compatible

Interrupt output feature for improved system response

Supports Power-On Reset (POR)

Push-Pull output type

Provides output source/sink current of 10mA and 25mA

Product Advantages

High I/O expansion with minimal pin usage on microcontrollers

Real-time interrupt feature for critical event response

Push-Pull outputs eliminate the need for external pull-up resistors

Wide supply voltage range caters to various application requirements

Robust operating temperature range suitable for automotive environments

Key Technical Parameters

Number of I/O: 8

Clock Frequency: 400 kHz

Voltage - Supply: 1.65V to 3.6V

Operating Temperature: -40°C to 125°C

Output Current: 10mA, 25mA

Mounting Type: Surface Mount

Package/Case: 16-TSSOP

Quality and Safety Features

Operational temperature range supports harsh conditions

AEC-Q100 qualification for automotive standards

Por feature ensures reliable operation upon power-up

Compatibility

Compatible with any microcontroller with I2C or SMBus interface

Easily integrated with automotive systems and circuits

Application Areas

Automotive electronic systems

Industrial control systems

I/O port expansion for microcontrollers in embedded systems

Product Lifecycle

Product Status: Active

Not currently nearing discontinuation

Availability of replacements or upgrades typically provided by Texas Instruments

Several Key Reasons to Choose This Product

Enhanced I/O capability without substantial MCU pin investment

AEC-Q100 qualified ensuring reliability in automotive applications

Low standby current suitable for power-sensitive designs

Robust operating temperature range promotes durability

Ready interrupt output to promptly address I/O changes

Texas Instruments' support and reliability