PCA9518DWR - Texas Instruments

Manufacturer Part Number

PCA9518DWR

Manufacturer

Texas Instruments

Introduction

The PCA9518DWR is a specialized interface IC designed for I2C bus buffering.

Product Features and Performance

Multiplexes I2C bus signals to enable bus expansion

Accommodates high capacitance bus loading beyond I2C specification limits

Provides bidirectional buffering, retaining full I2C protocol integrity

Features channel selection via I2C-bus addressing

Supports hot swappable cards

Capable of sinking high output current for better noise margin

Product Advantages

Expands I2C bus communication distance and byte transfer rate

Reduces system power by limiting rise time excursions

Offers design flexibility through selective channel enablement

Simplifies bus isolation and stabilization in complex environments

Key Technical Parameters

Operating Voltage: 3.0V to 3.6V

Package/Case: 20-SOIC with a width of 7.50mm

Interface Type: I2C

Mounting: Surface Mount

Quality and Safety Features

Incorporated with overvoltage tolerant I/Os

Designed with under-voltage lockout

Compliance with safety standards

Compatibility

Compatible with I2C and SMBus standards

Interoperable with I2C master and slave devices

Application Areas

Data communication within servers

Networking equipment

Industrial computing

Product Lifecycle

Product Status: Last Time Buy

Advised to check for potential replacement products or upgrade paths

Several Key Reasons to Choose This Product

Texas Instruments' reliability and support

Enables I2C bus expansion within a system

Ensures stable and compliant I2C signaling

Facilitates the integration of more I2C slave devices

Addresses and resolves bus loading concerns

Suitable for sophisticated electronic systems requiring robust communication interfaces