PCA9518PWR - Texas Instruments

Manufacturer Part Number

PCA9518PWR

Manufacturer

Texas Instruments

Introduction

The PCA9518PWR is a bidirectional 1-of-8 I²C bus switch with level shifting and control. It is designed to extend the SMBus and I²C-bus from a master controller to multiple slave devices without the risk of bus contention or high capacitance loading.

Product Features and Performance

Bidirectional 1-of-8 I²C bus switch

Supports I²C-bus and SMBus protocols

Enables bus extension and multiplexing

Integrated level shifting between 3.3V and 5V

Bus capacitance buffering up to 400pF

Supports hot-swap and hot-plug applications

3-state control for each channel

Ultra-low power consumption

Meets SMBus 2.0 and I²C-bus specifications

Product Advantages

Extends I²C-bus and SMBus reach

Enables multiple slave devices on a single bus

Provides level shifting between 3.3V and 5V systems

Buffers bus capacitance to improve signal integrity

Supports hot-swap and hot-plug functionality

Consumes minimal power in operation

Key Technical Parameters

Operating Voltage: 3V to 3.6V

Interface: I²C-bus, SMBus

Bus Capacitance: Up to 400pF

Control Inputs: 3-state

Mounting Type: Surface Mount

Package: 20-TSSOP

Quality and Safety Features

RoHS3 compliant

Meets SMBus 2.0 and I²C-bus specifications

Designed for reliable operation in various applications

Compatibility

The PCA9518PWR is compatible with a wide range of I²C-bus and SMBus devices, enabling seamless integration in various systems.

Application Areas

Computer and server systems

Industrial control and automation

Telecommunications equipment

Embedded systems

Test and measurement equipment

Product Lifecycle

The PCA9518PWR is an active product and is not nearing discontinuation. Texas Instruments offers replacement and upgrade options as needed.

Key Reasons to Choose This Product

Extends the reach of I²C-bus and SMBus, enabling more devices on a single bus

Provides level shifting between 3.3V and 5V systems, allowing for compatibility

Buffers bus capacitance to improve signal integrity and reliability

Supports hot-swap and hot-plug functionality for added flexibility

Consumes minimal power, making it suitable for low-power applications

Meets industry-standard specifications for reliable operation

Backed by the expertise and support of Texas Instruments, a leading semiconductor manufacturer