PCA9546ADWR - Texas Instruments

Manufacturer Part Number

PCA9546ADWR

Manufacturer

Texas Instruments

Introduction

The PCA9546ADWR is a 4-channel translating switch designed for I2C and SMBus applications, facilitating communication between devices with different voltage levels.

Product Features and Performance

4 independent bidirectional translating switches

I2C and SMBus compatibility

Operates across a wide voltage range of 2.3V to 5.5V

Offers noise filtration on SDA and SCL lines

Low standby current

Active-low reset input

Addresses selected via three address pins for use of up to eight devices on the same bus

Product Advantages

Enables communication between devices with different voltage levels without the need for external level shifters

Increases system flexibility by allowing up to eight of these devices on the same bus

Reduces power consumption with its low standby current feature

Key Technical Parameters

Voltage Supply: 2.3V ~ 5.5V

Package / Case: 16-SOIC

Interface: I2C, SMBus

Mounting Type: Surface Mount

Quality and Safety Features

Built-in hysteresis to improve noise margin

Overvoltage-tolerant inputs

Compatibility

Compatible with I2C and SMBus devices

Flexible for use with multiple voltage systems

Application Areas

Multi-voltage systems

Server environments

Mobile phones

Consumer electronics

Product Lifecycle

Product Status: Last Time Buy

Indicates nearing discontinuation with limited time for purchase

It is advisable to check for replacement or upgrade options

Several Key Reasons to Choose This Product

Direct compatibility with I2C and SMBus devices eliminates the need for additional components

Supports a wide range of supply voltages, enhancing its usability across various applications

Low power consumption and overvoltage tolerance ensure reliable and safe operation

Being a last-time buy item emphasizes the urgency and potential collector's value or necessity for projects nearing completion.