PCA9546APWR - Texas Instruments

Manufacturer Part Number

PCA9546APWR

Manufacturer

Texas Instruments

Introduction

The PCA9546APWR is a 4-channel SMBus translating switch that allows multiple I2C or SMBus interfaces to communicate with each other.

Product Features and Performance

4-channel SMBus/I2C translating switch

Supports hot-swap functionality

Configurable 4-channel switch with individual channel enable/disable

Supports up to 400 kHz I2C/SMBus clock frequency

Low input capacitance of 1 pF per channel

Low standby current of 1 μA

16-TSSOP package

Product Advantages

Enables communication between different voltage domains

Protects I2C/SMBus interfaces from overcurrent and short-circuit faults

Provides a flexible and configurable interface for multi-bus systems

Minimizes signal degradation and improves system reliability

Key Technical Parameters

Supply voltage: 2.3V to 5.5V

Operating temperature range: -40°C to 85°C

Propagation delay: 50 ns (typical)

ESD protection: ±4 kV (HBM)

Quality and Safety Features

RoHS3 compliant

Supports hot-swap functionality

Compatibility

The PCA9546APWR is compatible with I2C and SMBus interfaces, allowing it to be used in a wide range of applications.

Application Areas

Industrial automation

Embedded systems

Test and measurement equipment

Power management systems

Networking and communication equipment

Product Lifecycle

The PCA9546APWR is an active product, and Texas Instruments continues to support and manufacture this device. Replacement or upgrade options may be available.

Key Reasons to Choose This Product

Enables communication between different voltage domains, protecting I2C/SMBus interfaces from overcurrent and short-circuit faults.

Provides a flexible and configurable 4-channel switch, allowing for efficient management of multi-bus systems.

Minimizes signal degradation and improves system reliability with its low input capacitance and fast propagation delay.

Supports hot-swap functionality and operates over a wide temperature range, making it suitable for diverse applications.

RoHS3 compliance and robust ESD protection ensure the product meets quality and safety standards.