TCA9543APWR - Texas Instruments

Manufacturer Part Number

TCA9543APWR

Manufacturer

Texas Instruments

Introduction

Integrated circuit designed for logic signal switching, multiplexing, and decoding

Product Features and Performance

Logic signal switches multiplexer and decoder

Dual 1:2 bidirectional translating switches

Operates from 1.65V to 5.5V

Active-Low reset input

Active-High interrupt input

Comprehensive operating temperature range from -40°C to 85°C

Designed for I2C bus and SMBus applications

Low power consumption

Noise-filtered inputs

4-channel I2C-bus switch with interrupt logic and reset

Product Advantages

Enables connection of up to four I2C devices with identical addresses to a single I2C bus

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

No channel conflict when programming

Minimal propagation delay

Prevents data corruption during live board insertion and removal from backplane

Key Technical Parameters

Series: TCA

Type: Bus Switch

Circuits: 2 x 1:2

Independent Circuits: 1

Voltage Supply Source: Single Supply

Voltage - Supply: 1.65V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 14-TSSOP

Supplier Device Package: 14-TSSOP

Base Product Number: TCA9543

Quality and Safety Features

Over-voltage tolerant inputs and outputs

I²C-bus and SMBus compatible

HBM JESD22-A114F exceeds 2000V

Compatibility

Compatible with I2C Buses and SMBus Standards

Communication across different voltage domains

Application Areas

Consumer Electronics

Automotive Industries

Telecommunications

Networking

Data Communication Systems

Product Lifecycle

Product Status: Active

Not near discontinuation

Long-term supply strategy with availability of replacements and potential upgrades

Several Key Reasons to Choose This Product

Supports multiple I2C devices with same address on a bus

Facilitates communication between devices of different voltage levels seamlessly

Integral to the creation of complex I2C communication networks

Built-in glitch suppression on power-up ensures stable operation

Texas Instruments quality and reliability