PCA9548ARGER - Texas Instruments

Manufacturer Part Number

PCA9548ARGER

Manufacturer

Texas Instruments

Introduction

Integrated I2C and SMBus translating switch designed for voltage level translation and multi-master communication systems.

Product Features and Performance

8-channel I2C-bus switch with reset

Low stand-by current

Active-low reset input

Channel selection via I2C bus

No glitch on power-up

Supports hot insertion

Low RON switches

5V tolerant inputs

Interrupt input

Product Advantages

Enables communication with multiple I2C devices with same slave address

Reduces system power consumption

Simplifies system design with built-in reset feature

Allows dynamic channel configuration

Ensures system stability on power-up

Provides design flexibility with hot insertion capability

Minimizes signal distortion with low RON

Robust design that supports legacy devices

Key Technical Parameters

Interface: I2C, SMBus

Voltage Supply: 2.3V ~ 5.5V

Packaging: Tape & Reel (TR)

Package / Case: 24-VFQFN Exposed Pad

Supplier Device Package: 24-VQFN (4x4)

Mounting Type: Surface Mount

Quality and Safety Features

Built on Texas Instruments' proven manufacturing process ensuring high reliability

Compatibility

Compatible with multiple interfaces including I2C and SMBus

Compatible with voltage levels from 2.3V to 5.5V

Application Areas

Multi-master communication systems

Systems requiring I2C bus isolation

Server management

Networking equipment where bus translation is required

Product Lifecycle

Not for new designs

Check with manufacturer for replacement or upgrade options

Several Key Reasons to Choose This Product

Texas Instruments' quality and reliability

Flexibility in connecting up to 8 I2C devices

Simplifies complex communication system design

Suitable for a wide range of supply voltages (2.3V ~ 5.5V)

No additional components required for bus buffering

Provides system stability by supporting hot insertion and preventing glitches during power-up