PCA9545AZQNR - Texas Instruments

Manufacturer Part Number

PCA9545AZQNR

Manufacturer

Texas Instruments

Introduction

The PCA9545AZQNR is a 4-channel I2C and SMBus translating switch that allows communication between devices operating at different voltage levels. It provides level translation and bus buffering to enable reliable data transfer between devices with different supply voltages.

Product Features and Performance

4 bi-directional channels for I2C and SMBus communication

Voltage translation between 2.3V to 5.5V

Supports up to 400 kHz (fast-mode) I2C and SMBus data rates

Integrated pull-up resistors

Supports hot-plug and bus isolation

Low power consumption

Product Advantages

Enables communication between devices with different supply voltages

Provides bus buffering and level translation to ensure reliable data transfer

Compact 20-pin VFBGA package for space-constrained applications

Integrated pull-up resistors simplify circuit design

Key Reasons to Choose This Product

Versatile interface solution for applications requiring voltage level translation

Robust performance with support for fast-mode I2C and SMBus

Space-saving package and low power consumption for efficient system design

Trusted Texas Instruments quality and reliability

Quality and Safety Features

Compliant with relevant industry standards for I2C and SMBus

Extensive product testing and qualification to ensure high quality

Designed for reliable and safe operation in target applications

Compatibility

Compatible with a wide range of I2C and SMBus devices

Can be used in various embedded systems, IoT applications, and industrial equipment

Application Areas

Embedded systems

Industrial automation and control

Building automation

Internet of Things (IoT) devices

Consumer electronics

Product Lifecycle

["The PCA9545AZQNR is an obsolete product, meaning it is no longer in active production.","There are several alternative or equivalent models available from Texas Instruments, such as the PCA9546A, PCA9547, and TPIC6B595. Customers are advised to contact our website's sales team for more information on these alternative options."]