PCA9546AD,118 - NXP USA Inc.

Manufacturer Part Number

PCA9546AD,118

Manufacturer

NXP Semiconductors

Introduction

The PCA9546AD,118 is a 4-channel I2C-bus switch capable of interfacing with multiple I2C devices or bus configurations.

Product Features and Performance

4 selectable I2C and SMBus switches

I2C Bus and SMBus interface

3V to 5.5V operating voltage range

Low standby current

Active-Low reset input

400 kHz clock frequency

Interrupt output

No chanel latency

Product Advantages

Enables communication with multiple slave devices

Prevents data collision on I2C bus

Supports a wide range of power supplies

Energy efficient during idle states

Easy recovery from system faults

High-speed operation

Provides system alerts

Key Technical Parameters

Supply Voltage: 2.3V to 5.5V

I2C Frequency: up to 400 kHz

Channels: 4

IC Interface Type: I2C, SMBus

Package: 16-SOIC

Mounting Type: Surface Mount

Quality and Safety Features

Compliant with I2C-bus specification

Overvoltage-tolerant inputs

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

Compatibility

Compatible with multiple I2C devices and configurations

Application Areas

I2C/SMBus systems needing additional slave addresses

Server backplanes

Multi-master systems

Embedded systems

Product Lifecycle

Active product status

No indication of near discontinuation

Replacements or upgrades may be available

Several Key Reasons to Choose This Product

Enhanced I2C bus communication for complex systems

Support for various power supply levels

Low power consumption for battery-sensitive applications

Facilitates easy scaling of peripheral devices on I2C bus

High-speed I2C interface for faster data transfers

Robust safety features for reliable operation

Industry compatibility with I2C and SMBus standards