PCA9554APW - Texas Instruments

Manufacturer Part Number

PCA9554APW

Manufacturer

Texas Instruments

Introduction

PCA9554APW is an 8-bit I/O expander with an I2C and SMBus compatible interface, designed for low-voltage operation and capable of enhancing system control and power management.

Product Features and Performance

8 I/O pins expandable through I2C and SMBus interface

Push-Pull output type with interrupt output feature

Power-on Reset (POR) functionality ensures reliable start-up

Supports clock frequency up to 400 kHz

Compatible with 2.3V to 5.5V power supplies

Product Advantages

Flexible power options facilitating use with various voltage levels

Increased output drive capability with multiple source/sink currents

Enhanced system reliability through POR feature

Key Technical Parameters

Number of I/O: 8

Interface: I2C, SMBus

Current Output Source/Sink: 10mA, 25mA

Clock Frequency: 400 kHz

Voltage Supply: 2.3V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 16-TSSOP (0.173", 4.40mm Width)

Quality and Safety Features

Engineered with Superior ESD protection

Operating temperature range suitable for various industrial environments

Compatibility

Interface compatible with I2C and SMBus standards

Mountable in 16-TSSOP package, allowing flexible PCB design

Application Areas

Used in server systems, power management systems, and peripheral control

Product Lifecycle

Status: Last Time Buy

Suggest reviewing replacement models or upgrades for long-term projects

Several Key Reasons to Choose This Product

High integration with 8 I/Os enhances system management

Robust communication through I2C and SMBus supports complex operations

The broad operating voltage range and compatibility give versatility in applications

Reliable performance assured by integrated POR and meticulous design for industrial temperature resilience

Last Time Buy status provides the opportunity to stock for future needs while planning migration to newer technologies