PCA9546AD - Texas Instruments

Manufacturer Part Number

PCA9546AD

Manufacturer

Texas Instruments

Introduction

The PCA9546AD is an I2C and SMBus translating switch designed for various communication applications.

Product Features and Performance

Supports I2C and SMBus protocols

4-channel I2C-bus switch with interrupt logic

3V to 5.5V operating voltage range

Low stand-by current

Active LOW reset input

Noise filter on SCL/SDA inputs

16-SOIC package for surface mount

Product Advantages

Enables communication with multiple I2C devices with the same address

Low noise due to integrated filter

Flexible voltage range supports a variety of systems

No channel interaction during power-up

Key Technical Parameters

4-channel bi-directional translating switch

Voltage - Supply: 2.3V to 5.5V

Package / Case: 16-SOIC (0.154", 3.90mm Width)

Quality and Safety Features

Designed following industry standards for I2C communication

Built-in safety features to ensure proper operation

Compatibility

Compatible with devices requiring I2C or SMBus interface within voltage range

Application Areas

I2C-based systems

Embedded systems

Signal routing

Multi-master I2C applications

Product Lifecycle

Obsolete - End-of-life clear, subject to availability

Possible alternatives may be offered by the manufacturer

Several Key Reasons to Choose This Product

Facilitates design complexity reduction for systems with multiple I2C devices

Supports a broad range of supply voltages for diverse applications

Enhances system reliability with integrated noise filters

The obsolete status could favor systems in need of legacy component support