PCA9548APWRG4 - Texas Instruments

Manufacturer Part Number

PCA9548APWRG4

Manufacturer

Texas Instruments

Introduction

The PCA9548APWRG4 is an 8-channel I2C-bus switch.

Product Features and Performance

8-channel I2C and SMBus switch

3V to 5.5V operation

Active-Low Reset input

Low standby current

Noise filter on SDA/SCL inputs

Interrupt output

Multiple slave address options

Product Advantages

Enables connection of multiple I2C devices with same address

Low power consumption ideal for battery-powered applications

Allows voltage-level translation between 1.8V, 2.5V, 3.3V, and 5V buses

Key Technical Parameters

Up to 400 kHz clock frequency

I2C-bus and SMBus compatible

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

Quality and Safety Features

High electrostatic discharge (ESD) protection

Compatibility

Compatible with I2C and SMBus protocol

Application Areas

Embedded systems

Servers

Networking equipment

Consumer electronics

Product Lifecycle

Discontinued at Digi-Key

Consider sourcing alternative parts or checking with other suppliers

Several Key Reasons to Choose This Product

Increases system flexibility by connecting 8 I2C/SMBus devices at the same time

Reduces signal distortion and cross-talk through built-in noise filters

Helps prevent system lock-ups with reset feature

Easy integration with multiple operating voltages in mixed-voltage systems

Ideal for commercial and industrial applications requiring robust signal integrity