TCA9539QPWRQ1 - Texas Instruments

Manufacturer Part Number

TCA9539QPWRQ1

Manufacturer

Texas Instruments

Introduction

The TCA9539QPWRQ1 is an automotive-grade, low-voltage 16-bit I2C and SMBus I/O expander with interrupt output and configurable registers.

Product Features and Performance

16-bit I/O expander

I2C and SMBus compatible interface

Interrupt Output feature

Power-On Reset (POR) functionality

Push-pull output type

Output current capability of 10mA or 25mA

Supports clock frequencies up to 400 kHz

Operating voltage range from 1.65V to 3.6V

High-temperature operational range from -40°C to 125°C

Packaged in a compact 24-TSSOP

Product Advantages

Robust performance designed for automotive applications

Enhanced interface capability with I2C and SMBus support

Scalable solution for expanding I/O ports

Optimized power management with low-voltage operation

Ease of system integration with compact package

Key Technical Parameters

Number of I/O: 16

Interface: I2C, SMBus

Interrupt Output: Yes

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

Clock Frequency: 400 kHz

Voltage - Supply: 1.65V to 3.6V

Operating Temperature: -40°C to 125°C

Quality and Safety Features

AEC-Q100 qualified for automotive applications

Designed to meet stringent quality and reliability standards

Power-On Reset (POR) for reliable operation at power-up

Compatibility

Compatible with standard I2C and SMBus protocols

Useable with various microcontrollers and processors supporting these interfaces

Application Areas

Automotive electronics

Embedded systems

Industrial automation

I/O expansion for microcontroller-based systems

Product Lifecycle

Active product status

Not nearing discontinuation

Replacement or upgrade options available as part of the TCA9539 product family

Key Reasons to Choose This Product

Tailored for automotive use with AEC-Q100 qualification

Provides a cost-effective way to increase I/O port count

High-temperature operation for harsh environments

Reduces system complexity with integrated features like POR

Supports high-speed I2C operations for efficient communication