PCA9546APW - Texas Instruments

Manufacturer Part Number

PCA9546APW

Manufacturer

Texas Instruments

Introduction

The PCA9546APW is an I2C/SMBus translating switch designed for communication interface applications.

Product Features and Performance

4-channel I2C-bus switch with interrupt logic

3V to 5.5V operation voltage range

Low standby current

Active LOW interrupt input

Noise filter on SCL/SDA inputs

4 active LOW enable inputs

Product Advantages

Allows connection of up to four separate I2C-bus or SMBus

Enables design flexibility through I2C-bus isolation

Supports hot-swappable I2C-bus/SMBus devices

Key Technical Parameters

Voltage - Supply: 2.3v ~ 5.5V

I2C/SMBus Interface

16-TSSOP Package

Surface Mount Mounting Type

Quality and Safety Features

High noise immunity

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

Compatibility

Compatible with I2C-bus/SMBus standards

Application Areas

Data communication applications

Server systems

Telecommunication infrastructures

Advanced control systems

Product Lifecycle

Obsolete

Potential need for sourcing replacements or considering upgrades

Several Key Reasons to Choose This Product

Simplifies I2C-bus design by increasing flexibility

Enables the use of multiple I2C devices with the same address

Reduces signal distortion and ensures stable communication

Supports a wide range of supply voltages for diverse applications

Texas Instruments' reputation for reliability and quality products