PCA9545APW - Texas Instruments

Manufacturer Part Number

PCA9545APW

Manufacturer

Texas Instruments

Introduction

The PCA9545APW by Texas Instruments is a translating switch integrated circuit, specifically designed for I2C and SMBus interfaces.

Product Features and Performance

Supports I2C and SMBus interfaces.

Operates over a supply voltage range of 2.3V to 5.5V.

Offers four separately controlled bidirectional translating switches.

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

Low RON switches.

Low standby current.

Noise filter on SDA/SCL inputs.

Product Advantages

Enhances bus management and efficiency in multi-master and hot-swappable environments.

Facilitates the connection of devices with different voltage levels to the same bus.

Minimizes power consumption through low standby current.

Improves signal integrity via built-in noise filtering.

Key Technical Parameters

Interface: I2C, SMBus

Voltage Supply: 2.3V ~ 5.5V

Package / Case: 20-TSSOP (0.173", 4.40mm Width)

Mounting Type: Surface Mount

Quality and Safety Features

Built-in static protection.

Over-voltage tolerant.

Complies with I2C bus specification.

Compatibility

Compatible with I2C and SMBus protocols.

Supports multiple voltage levels for easy integration in mixed-voltage systems.

Application Areas

Server farms.

Networking equipment.

Consumer electronics.

Industrial systems.

Product Lifecycle

Obsolete status indicates discontinuation.

Potential availability of replacements or upgrades from Texas Instruments.

Several Key Reasons to Choose This Product

Enhances system integrity and reliability in complex I2C/SMBus architectures.

Supports a wide range of supply voltages for versatile application across different systems.

Low power consumption and built-in safety features ensure efficient and secure operations.

Direct compatibility with I2C and SMBus protocols simplifies integration.