PCA9546ADWRManufacturer: TI 4-Channel I2C And SMBus Switch With Reset Functions 16-SOIC -40 to 85 | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| PCA9546ADWR | TI | 1844 | In Stock |
Description and Introduction
4-Channel I2C And SMBus Switch With Reset Functions 16-SOIC -40 to 85 The **PCA9546ADWR** from Texas Instruments is a versatile **4-channel I²C bus switch** designed to enable communication between multiple I²C devices while maintaining signal integrity. This component is particularly useful in systems where multiple I²C slave devices share the same bus, preventing address conflicts and improving signal isolation.  
Featuring **low on-state resistance**, the PCA9546ADWR ensures minimal voltage drop across the switch, preserving signal quality. It operates across a **1.65V to 5.5V supply range**, making it compatible with a wide variety of microcontrollers and peripherals. The device also includes **interrupt inputs** for each channel, allowing efficient event-driven communication.   With **bidirectional voltage-level translation**, the PCA9546ADWR supports mixed-voltage I²C buses, simplifying designs where different voltage domains coexist. Its **power-on reset function** ensures a default state upon startup, enhancing system reliability.   Housed in a **TSSOP-16 package**, the PCA9546ADWR is compact and suitable for space-constrained applications. Common use cases include **embedded systems, industrial automation, and consumer electronics**, where robust I²C bus management is essential.   By offering reliable switching and signal conditioning, the PCA9546ADWR provides an efficient solution for expanding I²C connectivity in complex electronic systems. |
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Application Scenarios & Design Considerations
4-Channel I2C And SMBus Switch With Reset Functions 16-SOIC -40 to 85
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