PCA9557RGVR - Texas Instruments

Manufacturer Part Number

PCA9557RGVR

Manufacturer

Texas Instruments

Introduction

The PCA9557RGVR is a silicon-based, integrated circuit designed for interface I/O expansion tasks, specifically suited for applications requiring additional I/O lines.

Product Features and Performance

Provides 8 I/Os

Interface options include I2C and SMBus

Features Power-On Reset (POR)

Offers flexible output types: Open Drain and Push-Pull

Supports clock frequencies up to 400 kHz

Operates within a supply voltage range of 2.3V to 5.5V

Designed for a wide operating temperature range: -40°C to 85°C

Product Advantages

Increases the number of I/O lines without needing more microcontroller pins

Flexible interfacing with I2C and SMBus for easy integration

Dual output type for varied application requirements

Low voltage operation for energy-efficient designs

Robust operating temperature range suitable for harsh environments

Key Technical Parameters

Number of I/O: 8

Interface Types: I2C, SMBus

Output Type: Open Drain, Push-Pull

Output Current Source/Sink: 10mA, 25mA

Clock Frequency: 400 kHz

Voltage Supply: 2.3V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Engineered and manufactured by Texas Instruments, ensuring high-quality and reliability

Includes Power-On Reset for improved safety during power-up

Compatibility

Compatible with a broad range of microcontrollers and processors equipped with I2C or SMBus

Suitable for surface mount technology (SMT) on printed circuit boards

Application Areas

Industrial controls

Server and data center management

Consumer electronics

Automotive systems

Home automation and smart devices

Product Lifecycle

Status: Active, indicating ongoing manufacture and support

Not nearing discontinuation, ensuring long-term availability

Replacement or upgrade options available for future-proofing designs

Several Key Reasons to Choose This Product

Texas Instruments reputation for quality and reliability

High integration for efficient use of board space and simplified design

Versatile I/O expansion with easy-to-use interfaces

Energy-efficient operation suitable for portable and battery-operated devices

Broad application scope from consumer to industrial markets