PCA9548ADBR - Texas Instruments

Manufacturer Part Number

PCA9548ADBR

Manufacturer

Texas Instruments

Introduction

The PCA9548ADBR is an 8-channel I2C-bus switch optimized for signal routing.

Product Features and Performance

8-channel I2C and SMBus switch with reset

Low RON switches

I2C-bus interface, supporting standard and fast modes

Active LOW reset input

No glitch on power-up

Supports hot insertion

Low standby current

Product Advantages

Allows expansion of I2C bus for multi-master applications

Enables connection of devices with different voltages on one bus

High noise margin

Provides isolation between channels when powered down

Minimal cross talk between channels

Key Technical Parameters

Voltage Supply: 2.3V ~ 5.5V

Interface: I2C, SMBus

Mounting Type: Surface Mount

Package / Case: 24-SSOP

Quality and Safety Features

Built for reliable long-term operation

Over-voltage tolerant inputs

ESD protection

Compatibility

Compatible with both I2C and SMBus protocols

Supports various master and slave devices on the bus

Application Areas

Multi-master systems

Server management

Consumer electronics

Industrial control

Product Lifecycle

Product Status: Active

Not currently nearing discontinuation with ongoing support and upgrades

Several Key Reasons to Choose This Product

Flexible voltage supply range, accommodating various system designs

Enables complex I2C bus topologies

Reduces system power consumption with low standby current

Improves system reliability through quality design and ESD protection

Simplifies addition of more I2C or SMBus devices without hardware changes