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PCA9517D from NXP,NXP Semiconductors

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PCA9517D

Manufacturer: NXP

Level translating I2C-bus repeater

Partnumber Manufacturer Quantity Availability
PCA9517D NXP 1605 In Stock

Description and Introduction

Level translating I2C-bus repeater The **PCA9517D** from NXP Semiconductors is a versatile **I2C-bus repeater** designed to extend the range and reliability of I2C communication in multi-device systems. This bidirectional buffer supports both **Standard-mode (100 kHz)** and **Fast-mode (400 kHz)** I2C operations, making it suitable for applications where signal integrity must be maintained over longer distances or across multiple bus segments.  

Featuring **hot-swappable** capability, the PCA9517D prevents data corruption during live insertion or removal of devices, enhancing system robustness. It also incorporates **rise time acceleration**, which compensates for signal degradation caused by capacitive loading, ensuring consistent performance in complex bus topologies.  

The device operates with a **2.3V to 5.5V supply voltage**, making it compatible with a wide range of microcontrollers and peripherals. Its **low standby current** minimizes power consumption in idle states, ideal for energy-sensitive applications.  

Common use cases include industrial control systems, telecommunications equipment, and embedded computing, where reliable I2C communication is critical. By mitigating signal distortion and enabling seamless bus expansion, the PCA9517D serves as a dependable solution for maintaining data integrity in challenging environments.  

Engineers value its simplicity, compliance with I2C standards, and ability to isolate bus segments, reducing noise and improving overall system stability.

Application Scenarios & Design Considerations

Level translating I2C-bus repeater

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