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PCA9518PWR from TI,Texas Instruments

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PCA9518PWR

Manufacturer: TI

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

Partnumber Manufacturer Quantity Availability
PCA9518PWR TI 859 In Stock

Description and Introduction

Expandable Five-Channel I2C Hub 20-TSSOP -40 to 85 The **PCA9518PWR** from Texas Instruments is a versatile **I²C bus repeater** designed to extend the communication range and improve signal integrity in multi-drop I²C applications. This component acts as a buffer, allowing multiple I²C devices to operate across different voltage domains while minimizing signal degradation caused by capacitance or long bus lengths.  

Featuring **bidirectional voltage-level translation**, the PCA9518PWR supports **1.8V, 2.5V, 3.3V, and 5V** systems, making it suitable for mixed-voltage environments. Its built-in noise-filtering capabilities enhance signal robustness, ensuring reliable data transmission even in electrically noisy conditions.  

The device includes **automatic direction sensing**, eliminating the need for additional control signals. With a **low standby current**, it is optimized for power-sensitive applications. The PCA9518PWR is available in a compact **TSSOP-8 package**, ideal for space-constrained designs.  

Common applications include industrial automation, consumer electronics, and embedded systems where I²C communication must traverse multiple boards or extended distances. By mitigating bus loading effects, the PCA9518PWR simplifies system design while maintaining I²C protocol compliance.  

Engineers seeking a reliable solution for expanding I²C networks will find the PCA9518PWR a practical and efficient choice.

Application Scenarios & Design Considerations

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

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