PCA9518PW - Texas Instruments

Manufacturer Part Number

PCA9518PW

Manufacturer

Texas Instruments

Introduction

The PCA9518PW is a 5-channel I2C buffer that enhances I2C bus signaling for extended-range or multi-drop applications.

Product Features and Performance

5-channel I2C-bus hub

Built-in level shifting

Hot insertion capability

Noise filtering

Bidirectional data transfer

Output enable for each channel

Optimized for standard-mode and fast-mode I2C-bus speeds

Product Advantages

Enables bus expansion and isolation

Prevents signal degradation over long distances

Provides high noise immunity

Allows connection and disconnection without disrupting bus communication

Supports multiple masters and slaves

Reduces loading on the main I2C bus

Key Technical Parameters

Supply Voltage: 3V ~ 3.6V

5 independent bidirectional channels

I2C-bus to I2C-bus translation

400 kHz clock frequency

20-TSSOP package for compact layout

Quality and Safety Features

Over-voltage tolerant inputs

Low power consumption

Latch-up performance exceeds 100 mA per JESD 78, Class II

Compatibility

Compatible with I2C and SMBus standards

Easily integrated with other I2C devices

Application Areas

System management

Backplane interconnect

Embedded systems

Telecommunications

Server farms and data centers

Product Lifecycle

Product Status: Last Time Buy

Critical for end-of-life or legacy systems maintenance

Replacement or upgrade options may be available

Several Key Reasons to Choose This Product

Critical for maintaining existing hardware that utilizes I2C bus expansion

Ensures signal integrity in complex or multi-drop I2C systems

Versatile voltage translation for mixed-voltage environments

High level of integration reduces system complexity

Texas Instruments' quality and support guarantee reliability and longevity