PCA9543ADR - Texas Instruments

Manufacturer Part Number

PCA9543ADR

Manufacturer

Texas Instruments

Introduction

Low-voltage 2-channel I2C multiplexer with interrupt logic

Product Features and Performance

2-channel I2C-bus multiplexer with interrupt logic

Active-low interrupt inputs

Bidirectional data switch

Low standby current

Product Advantages

Operational flexibility with master or slave mode selection

Enables connection of multiple I2C devices with same address

Channel selection via I2C bus

High noise immunity and ESD protection

Key Technical Parameters

Interface: I2C, SMBus

Voltage supply range: 2.3V to 5.5V

2 I2C bus channels

400 kHz I2C bus frequency

Multiple slave-address programming

Quality and Safety Features

Built-in ESD protection

Over-voltage tolerant

Compatibility

Compatible with I2C and SMBus protocols

Wide range of supply voltages for mixed voltage systems

Application Areas

Communication systems

Servers

Telecommunications

Embedded systems

Industrial control

Product Lifecycle

Status: Active

No known discontinuation or end-of-life notice

Several Key Reasons to Choose This Product

Enables design flexibility

Increases system reliability through ESD protection

Scalable for use with multiple I2C devices

Minimizes power requirements with low standby current

Adaptable to various voltage levels for system compatibility