PCA9546ARGVR - Texas Instruments

Manufacturer Part Number

PCA9546ARGVR

Manufacturer

Texas Instruments

Introduction

The PCA9546ARGVR is a 4-channel I2C-bus switching multiplexer.

Product Features and Performance

Allows four downstream channels to be controlled by a single I2C bus

Low on-resistance

Isolation during power-off

I2C bus and SMBus compatible

Requires no additional external components

Product Advantages

Enables multiple I2C devices with identical addresses to be connected to one bus

Supports hot-insertion and power-down mode

Minimizes power consumption

Ease of use and simple design integration

Key Technical Parameters

Interface: I2C, SMBus

Voltage Supply: 2.3V to 5.5V

4-channel I2C-bus switch with reset

5-bit addressing

Quality and Safety Features

Low stand-by current

Active-low reset input

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

Compatibility

Compatible with standard I2C-bus protocols

Supports multiple devices with same slave addresses

Application Areas

Server applications

Industrial automation

Communication systems

Advanced consumer electronics

Product Lifecycle

Active product status

Not near discontinuation

Availability of replacements and upgrades through Texas Instruments product line

Several Key Reasons to Choose This Product

Efficiently manages I2C-bus traffic and addresses conflicts

Expands I2C bus capacity and enables complex bus topologies

Supports a wide range of supply voltages for versatile use

Compact 16-VQFN (4x4) package suitable for space-constrained applications

Comes in tape and reel packaging for automated assembly processes

Texas Instruments' quality and reliability