PCA9545APWT - Texas Instruments

Manufacturer Part Number

PCA9545APWT

Manufacturer

Texas Instruments

Introduction

The PCA9545APWT is a 4-channel I2C and SMBus translating switch that enables communication between devices operating at different voltage levels. It provides four bidirectional channels, each capable of translating between 2.3V to 5.5V signal levels.

Product Features and Performance

4-channel I2C and SMBus translating switch

Bidirectional channels

Voltage translation between 2.3V to 5.5V

Supports I2C and SMBus protocols

Fast-mode (400kHz) and Standard-mode (100kHz) I2C operation

Low standby current of 1μA

Product Advantages

Enables communication between devices with different voltage levels

Prevents damage to sensitive electronics by voltage translation

Supports high-speed data transfer through Fast-mode I2C

Low power consumption in standby mode

Key Reasons to Choose This Product

Versatile voltage translation capabilities

Reliable and robust performance

Space-saving 20-TSSOP package

Cost-effective solution for voltage translation needs

Quality and Safety Features

Electrostatic discharge (ESD) protection

Latch-up prevention

Overcurrent protection

Compatibility

The PCA9545APWT is compatible with I2C and SMBus protocols, enabling it to be used with a wide range of microcontrollers, sensors, and other I2C-based devices.

Application Areas

Embedded systems

Industrial automation

Automotive electronics

Consumer electronics

Office equipment

Product Lifecycle

The PCA9545APWT is an obsolete product. Customers should contact our website's sales team for information on alternative or equivalent models that may be available.