PCA9557DGVR - Texas Instruments

Manufacturer Part Number

PCA9557DGVR

Manufacturer

Texas Instruments

Introduction

The PCA9557DGVR is a versatile I/O expander that provides 8 general-purpose I/O (GPIO) pins. It supports I2C and SMBus interfaces, allowing easy integration into a wide range of embedded systems and applications.

Product Features and Performance

8 general-purpose I/O pins

I2C and SMBus interfaces for communication

Power-on reset (POR) feature

Open-drain and push-pull output types

Output source/sink current up to 10mA/25mA

Clock frequency up to 400kHz

Wide supply voltage range of 2.3V to 5.5V

Operating temperature range of -40°C to 85°C

Product Advantages

Versatile I/O expander with flexible interface options

Robust output capabilities for driving various loads

Wide operating voltage and temperature range for diverse applications

Small footprint surface mount package

Key Reasons to Choose This Product

Simplified system integration with I2C/SMBus communication

Customizable I/O configuration for specific application needs

Reliable performance across a wide range of operating conditions

Cost-effective solution for expanding I/O in embedded systems

Quality and Safety Features

Designed and manufactured to Texas Instruments' high quality standards

Electrical overstress (EOS) and electrostatic discharge (ESD) protection

Compatibility

The PCA9557DGVR is compatible with various microcontrollers and processors that support I2C or SMBus communication protocols.

Application Areas

Industrial automation and control

Home and building automation

Embedded systems with limited I/O

Robotics and mechatronics

General-purpose I/O expansion

Product Lifecycle

The PCA9557DGVR is an obsolete product. Alternative or equivalent models may be available from Texas Instruments or other manufacturers. Please contact our website's sales team for more information on available options.