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PCA9546APWR from TI,Texas Instruments

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PCA9546APWR

Manufacturer: TI

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

Partnumber Manufacturer Quantity Availability
PCA9546APWR TI 1671 In Stock

Description and Introduction

4-Channel I2C And SMBus Switch With Reset Functions 16-TSSOP -40 to 85 The **PCA9546APWR** from Texas Instruments is a versatile **4-channel I²C-bus multiplexer and switch** designed to enable communication between multiple I²C devices using a single bus. This component 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-state resistance**, the PCA9546APWR ensures minimal signal degradation while maintaining high-speed I²C communication. Its **bidirectional voltage-level translation** capability supports mixed-voltage systems, making it compatible with devices operating at different logic levels (1.8V to 5V).  

The device includes an **interrupt input** for each channel, enabling efficient event-driven communication. Additionally, its **power-down mode** minimizes power consumption in idle states, making it suitable for battery-powered applications.  

Housed in a compact **TSSOP-16 package**, the PCA9546APWR is ideal for space-constrained designs. Common applications include **embedded systems, industrial automation, and consumer electronics**, where efficient I²C bus management is critical.  

With robust performance and flexible configuration, the PCA9546APWR simplifies complex I²C bus architectures while ensuring reliable data transfer across multiple devices.

Application Scenarios & Design Considerations

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

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