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PCA9518DBQR from TI,Texas Instruments

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PCA9518DBQR

Manufacturer: TI

Expandable Five-Channel I2C Hub 20-SSOP -40 to 85

Partnumber Manufacturer Quantity Availability
PCA9518DBQR TI 21 In Stock

Description and Introduction

Expandable Five-Channel I2C Hub 20-SSOP -40 to 85 The **PCA9518DBQR** from Texas Instruments is a versatile **I²C bus repeater** designed to extend the communication range and enhance signal integrity in multi-master I²C systems. This component supports bidirectional data transfer, allowing seamless interfacing between devices operating at different voltage levels (ranging from 0.9V to 5.5V), making it ideal for mixed-voltage applications.  

Featuring **hot-swappable** capability, the PCA9518DBQR minimizes bus disturbances during live insertion or removal, ensuring stable operation in dynamic environments. Its built-in noise filtering improves signal robustness, while the low standby current consumption enhances energy efficiency in power-sensitive designs.  

The device is housed in a compact **SSOP-16** package, making it suitable for space-constrained PCB layouts. It is commonly used in industrial automation, telecommunications, and consumer electronics where reliable I²C communication across multiple segments is critical.  

With its **automatic direction sensing** and **rise time accelerator** features, the PCA9518DBQR simplifies system design while maintaining compliance with I²C standards. Engineers can leverage its performance to overcome bus capacitance limitations and extend the reach of I²C networks without compromising speed or reliability.  

This repeater is a practical solution for designers seeking to enhance signal integrity in complex I²C architectures.

Application Scenarios & Design Considerations

Expandable Five-Channel I2C Hub 20-SSOP -40 to 85

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