PCA9546ADR - Texas Instruments

Manufacturer Part Number

PCA9546ADR

Manufacturer

Texas Instruments

Introduction

The PCA9546ADR is an integrated circuit designed for I2C and SMBus signal switching, enabling communication with multiple devices sharing the same bus.

Product Features and Performance

Four bidirectional translating switches

I2C Bus and SMBus compatible

1-of-4 selector configuration

Low standby current consumption

Active LOW reset input

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

Product Advantages

Supports hot insertion

Operates at a voltage range of 2.3V to 5.5V, suitable for various applications

Low RON switches

5 MHz high bandwidth

No glitch on power-up

Key Technical Parameters

Voltage - Supply: 2.3V ~ 5.5V

Interface: I2C, SMBus

Package / Case: 16-SOIC (0.154", 3.90mm Width)

Mounting Type: Surface Mount

Quality and Safety Features

Ensures a minimal propagation delay

Low crosstalk between switches

Latch-up performance exceeds industry standards

Compatibility

Compatible with standard I2C and SMBus systems

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

Application Areas

Servers

Telecommunications

Personal electronics

Data centers

Industrial control systems

Product Lifecycle

The product status is active, indicating ongoing production and support

Not reported to be nearing discontinuation

Replacement or upgrade options may be available

Several Key Reasons to Choose This Product

Efficient management of I2C bus lines for multiple devices

Enables high-speed communication with low signal degradation

Ease of integration into current system architectures with standard SOIC packaging

Supports a variety of power supply voltages catering to different design requirements

Texas Instruments is known for reliable and high-quality semiconductor products