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PCA9518APW from NXP/PHILLIS,NXP Semiconductors

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PCA9518APW

Manufacturer: NXP/PHILLIS

Expandable 5-channel I2C-bus hub

Partnumber Manufacturer Quantity Availability
PCA9518APW NXP/PHILLIS 2397 In Stock

Description and Introduction

Expandable 5-channel I2C-bus hub The **PCA9518APW** from NXP Semiconductors is a versatile **I2C bus repeater** designed to extend communication distances and support multiple devices in **I2C and SMBus systems**. This bidirectional buffer helps overcome capacitance limitations by isolating bus segments, ensuring signal integrity in complex or long-distance applications.  

Featuring **hot-swap capability**, the PCA9518APW prevents data corruption during live insertion, making it ideal for hot-pluggable systems. It operates across a **2.3V to 3.6V supply range**, accommodating mixed-voltage environments while maintaining compatibility with standard I2C protocols.  

The device supports **clock stretching** and integrates noise filters to enhance reliability in electrically noisy conditions. With **low standby current consumption**, it is well-suited for power-sensitive designs. Packaged in a **TSSOP-8** form factor, the PCA9518APW is compact and easy to integrate into space-constrained applications.  

Common use cases include **industrial control systems, server backplanes, and embedded computing**, where robust I2C communication is essential. Its ability to isolate bus segments while preserving signal timing ensures seamless data transfer across distributed systems.  

Engineers value the PCA9518APW for its **simplicity, reliability, and compliance** with I2C standards, making it a practical solution for expanding I2C networks without compromising performance.

Application Scenarios & Design Considerations

Expandable 5-channel I2C-bus hub

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