PCA9546APWRManufacturer: 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. |
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Application Scenarios & Design Considerations
4-Channel I2C And SMBus Switch With Reset Functions 16-TSSOP -40 to 85
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