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PCA9546PW from PHI,Philips

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PCA9546PW

Manufacturer: PHI

4-channel I2C switch with reset

Partnumber Manufacturer Quantity Availability
PCA9546PW PHI 280 In Stock

Description and Introduction

4-channel I2C switch with reset The **PCA9546PW** from Philips is a versatile **4-channel I²C-bus multiplexer** designed to enable communication between multiple I²C devices using a single bus. This integrated circuit (IC) is particularly useful in systems where multiple I²C slave devices share the same address, allowing seamless switching between channels without address conflicts.  

Featuring **low on-resistance** and support for **standard (100 kHz) and fast (400 kHz) I²C modes**, the PCA9546PW ensures efficient data transfer with minimal signal degradation. Its **bidirectional switching capability** makes it suitable for a wide range of applications, including industrial control, embedded systems, and consumer electronics.  

The device operates with a **1.8V to 5.5V supply voltage**, making it compatible with various logic levels. Additionally, it includes **interrupt inputs** for each channel, enabling efficient event-driven communication. The PCA9546PW comes in a **TSSOP-16 package**, offering a compact footprint for space-constrained designs.  

With **robust ESD protection** and a straightforward control interface, this multiplexer simplifies complex I²C bus management while maintaining signal integrity. Its reliability and ease of integration make it a preferred choice for designers seeking efficient I²C expansion solutions.

Application Scenarios & Design Considerations

4-channel I2C switch with reset

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