PCA9548ADB - Texas Instruments

Manufacturer Part Number

PCA9548ADB

Manufacturer

Texas Instruments

Introduction

The Texas Instruments PCA9548ADB is a 1-of-8 I2C/SMBus translating switch that allows a microcontroller to selectively communicate with up to eight separate I2C/SMBus buses. It features level translation between 2.3V and 5.5V buses, as well as programmable bus prioritization and address assignment.

Product Features and Performance

Translates between 2.3V and 5.5V I2C/SMBus interfaces

Supports up to 8 separate I2C/SMBus buses

Programmable bus prioritization

Programmable I2C/SMBus device addresses

Supports standard, fast, and fast-mode plus I2C/SMBus modes

3V to 5.5V supply voltage range

Low power consumption

Available in a 24-SSOP package

Product Advantages

Enables communication between I2C/SMBus devices operating at different voltage levels

Allows a single microcontroller to manage multiple I2C/SMBus peripherals

Programmable features provide flexibility in system design

Small package size and low power consumption make it suitable for space-constrained applications

Key Reasons to Choose This Product

Seamless voltage-level translation between I2C/SMBus buses

Scalable solution for managing multiple I2C/SMBus devices

Robust programmable features for customizing system behavior

Compact size and low power make it ideal for embedded designs

Quality and Safety Features

Qualified for automotive and industrial applications

Supports hot-swap and live insertion/removal of I2C/SMBus devices

Integrated ESD protection on all I/O pins

Compatibility

The PCA9548ADB is compatible with standard, fast, and fast-mode plus I2C/SMBus protocols. It can interface with a wide range of I2C/SMBus-enabled devices, sensors, and microcontrollers.

Application Areas

Embedded systems

Industrial automation

Automotive electronics

Building automation

Consumer electronics

Product Lifecycle

The PCA9548ADB is an active product, with no immediate plans for discontinuation. Texas Instruments offers several equivalent and alternative models, such as the PCA9548A and PCA9548B, which provide similar functionality with minor variations in features and packaging options. For more information on available alternatives, please contact our website's sales team.