PCA9554DB - NXP Semiconductors

Manufacturer Part Number

PCA9554DB

Manufacturer

Texas Instruments

Introduction

The PCA9554DB is an 8-bit I/O expander with I2C-bus/SMBus interface. It provides a simple way to add more I/O ports to a system. The device features power-on reset, push-pull outputs, and high-drive capability, making it suitable for a wide range of applications.

Product Features and Performance

8-bit I/O expander with I2C-bus/SMBus interface

Power-on reset (POR) function

Push-pull output drivers

High-drive capability of 10 mA source and 25 mA sink per output

400 kHz I2C-bus/SMBus compatible interface

Operating voltage range of 2.3 V to 5.5 V

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

Available in 16-SSOP package

Product Advantages

Easily adds more I/O ports to a system

Simplifies design with integrated power-on reset and push-pull outputs

High-drive capability allows direct control of LEDs, relays, and other loads

Wide operating voltage and temperature ranges for versatile applications

Key Reasons to Choose This Product

Robust and reliable performance for industrial and consumer applications

Easy integration with existing I2C-bus/SMBus-based systems

Cost-effective solution for expanding I/O capabilities

Backed by Texas Instruments' reputation for quality and support

Quality and Safety Features

Robust design and manufacturing process ensure high reliability

Overcurrent and short-circuit protection for increased safety

Compatibility

Compatible with I2C-bus and SMBus protocols

Can be used with a wide range of microcontrollers and processors

Application Areas

Industrial automation and control systems

Consumer electronics and appliances

Automotive electronics

General-purpose I/O expansion

Product Lifecycle

The PCA9554DB is in the Last Time Buy phase. Texas Instruments recommends the PCA9534 as an alternative product with similar functionality. Customers should contact our website's sales team for more information on available options and support for this product.