PCA9544AGQNR - Texas Instruments

Manufacturer Part Number

PCA9544AGQNR

Manufacturer

Texas Instruments

Introduction

The PCA9544AGQNR is a four-channel bidirectional translating switch that can translate I2C and SMBus signals between two voltage domains. It allows communication between systems with different supply voltages.

Product Features and Performance

Supports I2C and SMBus protocols

Operates from 2.3V to 5.5V supply voltage

4 bidirectional channels that can be controlled independently

Supports hot-swap operation

Internal pull-up resistors on I/O lines

-40°C to +85°C operating temperature range

Product Advantages

Enables communication between systems with different supply voltages

Provides bidirectional translation to facilitate data exchange

Allows independent control of each channel

Supports hot-swap operation for flexible system integration

Wide operating temperature range for diverse applications

Key Reasons to Choose This Product

Versatile voltage translation capabilities

Reliable and robust design for industrial and automotive uses

Easy integration with I2C and SMBus systems

Comprehensive feature set for flexible system implementation

Trusted Texas Instruments quality and support

Quality and Safety Features

Qualified for automotive and industrial applications

Overcurrent and overvoltage protection

Electrostatic discharge (ESD) protection

Compatibility

Compatible with I2C and SMBus protocols

Can be used with a variety of microcontrollers and processors

Application Areas

Industrial automation and control systems

Automotive electronics

Home and building automation

Instrumentation and test equipment

Product Lifecycle

The PCA9544AGQNR is an obsolete product. Texas Instruments recommends the PCA9548A as an alternative model that provides similar functionality and enhanced features. Customers should contact our website's sales team for more information on available options and product lifecycle details.