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PCA9546ARGVR from TI,Texas Instruments

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PCA9546ARGVR

Manufacturer: TI, BB/TI

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

Partnumber Manufacturer Quantity Availability
PCA9546ARGVR TI, BB/TI 307 In Stock

Description and Introduction

4-Channel I2C And SMBus Switch With Reset Functions 16-VQFN -40 to 85 The **PCA9546ARGVR** 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 multiplexing, allowing a single master to control several I²C slave devices without address conflicts.  

Featuring **low on-state resistance**, the PCA9546ARGVR ensures minimal signal distortion while maintaining efficient data transfer. Its **bidirectional switching capability** supports both standard-mode (100 kHz) and fast-mode (400 kHz) I²C operations, making it suitable for a wide range of applications, including embedded systems, industrial automation, and consumer electronics.  

The device includes **interrupt inputs** for each channel, enabling quick detection of signal changes and reducing the need for continuous polling. Additionally, its **power-down mode** minimizes current consumption, enhancing energy efficiency in battery-powered designs.  

Housed in a compact **TSSOP-16 package**, the PCA9546ARGVR is ideal for space-constrained applications. With **3.3V and 5V compatibility**, it integrates smoothly into various voltage-level systems.  

Engineers value this component for its **reliability and ease of integration**, simplifying complex I²C bus management while maintaining signal integrity. Whether used in multi-sensor environments or multi-processor systems, the PCA9546ARGVR delivers robust performance and flexibility.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • TCA9546APWR --: Same 4-channel I2C switch function with reset, pin-compatible TSSOP package, and TI's TCA series is the direct functional equivalent of the PCA9546A.
  • PCA9546APWR --: Identical PCA9546A 4-channel I2C switch in TSSOP package; only the package differs from the VQFN RGV version, making it an easy drop-in with layout adjustment.
  • TCA9546ADR --: Same 4-channel I2C multiplexer with reset in SOIC package; TCA series offers equivalent functionality and is a viable alternative when package flexibility is acceptable.
  • TCA9546APWR --: Pin-compatible 4-channel I2C switch in the same TSSOP-16 package family, with equivalent function and widely available as a direct substitute.
  • PCA9546APW --: Same PCA9546A 4-channel I2C multiplexer core in a TSSOP-16 package, electrically equivalent to the QFN version for most designs.
  • PCA9546AD --: Same 4-channel I2C switch function in SOIC-16 package, suitable when board layout can accommodate the larger footprint.

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