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PCA9548 from PHILIPS

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PCA9548

Manufacturer: PHILIPS

8-channel I2C switch with reset

Partnumber Manufacturer Quantity Availability
PCA9548 PHILIPS 64 In Stock

Description and Introduction

8-channel I2C switch with reset The **PCA9548** from Philips is a versatile **8-channel I²C-bus multiplexer** designed to expand the capabilities of I²C communication systems. It enables a single I²C master to control multiple I²C slave devices by selecting one of eight bidirectional channels, effectively resolving address conflicts and simplifying complex bus configurations.  

Featuring **low on-resistance switches**, the PCA9548 ensures minimal signal distortion while maintaining compatibility with both **3.3V and 5V** logic levels. Its **interrupt input** functionality allows for efficient monitoring of connected devices, reducing the need for continuous polling. The device supports **hot insertion**, making it suitable for dynamic systems where components may be added or removed during operation.  

With a **wide operating voltage range (2.3V to 5.5V)** and robust **ESD protection**, the PCA9548 is ideal for industrial, automotive, and consumer electronics applications. Its compact packaging and low power consumption further enhance its suitability for space-constrained designs.  

Engineers favor the PCA9548 for its reliability in managing multiple I²C peripherals, such as sensors, EEPROMs, and display controllers, while maintaining signal integrity. Its straightforward control via I²C commands ensures seamless integration into existing systems, making it a preferred choice for advanced I²C bus management.

Application Scenarios & Design Considerations

8-channel I2C switch with reset

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