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PCA9546ADR from TI,Texas Instruments

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PCA9546ADR

Manufacturer: TI

4-Channel I2C And SMBus Switch With Reset Functions 16-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
PCA9546ADR TI 2464 In Stock

Description and Introduction

4-Channel I2C And SMBus Switch With Reset Functions 16-SOIC -40 to 85 The **PCA9546ADR** from Texas Instruments is a versatile **4-channel I²C bus switch** designed to facilitate communication between multiple I²C devices sharing the same bus. This component enables seamless switching between different I²C segments, reducing address conflicts and improving system flexibility.  

Featuring **low on-state resistance**, the PCA9546ADR ensures minimal signal degradation while maintaining high-speed data transfer. It supports **bidirectional voltage-level translation**, making it compatible with mixed-voltage systems ranging from 1.8V to 5.5V. Each of its four channels can be independently enabled or disabled via I²C commands, allowing precise control over bus connectivity.  

The device includes **interrupt functionality**, which helps detect changes in downstream I²C peripherals, enhancing system responsiveness. Its **power-down mode** minimizes current consumption when inactive, making it suitable for power-sensitive applications.  

Common applications include **embedded systems, industrial automation, and consumer electronics**, where multiple I²C devices must coexist efficiently. With its robust design and reliable performance, the PCA9546ADR is an essential component for optimizing I²C bus management in complex electronic systems.  

Packaged in a **16-pin SOIC** format, it ensures easy integration into various circuit designs while maintaining a compact footprint.

Application Scenarios & Design Considerations

4-Channel I2C And SMBus Switch With Reset Functions 16-SOIC -40 to 85

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