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PCA9548APW from TI,Texas Instruments

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PCA9548APW

Manufacturer: TI

8-channel I虏C-bus switch with reset

Partnumber Manufacturer Quantity Availability
PCA9548APW TI 480 In Stock

Description and Introduction

8-channel I虏C-bus switch with reset The **PCA9548APW** from Texas Instruments is a highly versatile **8-channel I²C-bus multiplexer** designed to expand the capabilities of I²C communication systems. With its ability to select between multiple I²C buses, this component enables efficient management of multiple I²C slave devices sharing the same bus addresses, reducing conflicts and simplifying system design.  

Featuring **low on-resistance switches**, the PCA9548APW ensures minimal signal degradation while maintaining high-speed data transfer. Its **bidirectional voltage-level translation** capability allows seamless interfacing between devices operating at different voltage levels (1.8V to 5.5V), making it ideal for mixed-voltage environments.  

The device supports **hot insertion**, ensuring reliable operation when connected or disconnected during active system conditions. Additionally, it includes **interrupt logic** to notify the master controller of status changes on any of the downstream I²C buses, enhancing system responsiveness.  

Housed in a **TSSOP-24 package**, the PCA9548APW is compact and suitable for space-constrained applications. Common use cases include industrial automation, consumer electronics, and embedded systems where multiple I²C peripherals must coexist efficiently.  

With its robust feature set and reliable performance, the PCA9548APW is a practical solution for complex I²C bus management challenges.

Application Scenarios & Design Considerations

8-channel I虏C-bus switch with reset

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