PCA9545AZQNRManufacturer: TI 4-Channel I2C And SMBus Multiplexer With Interrupt Logic And Reset Functions 20-BGA MICROSTAR JUNIOR -40 to 85 | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| PCA9545AZQNR | TI | 329 | In Stock |
Description and Introduction
4-Channel I2C And SMBus Multiplexer With Interrupt Logic And Reset Functions 20-BGA MICROSTAR JUNIOR -40 to 85 The **PCA9545AZQNR** 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, preventing address conflicts and enhancing system flexibility.  
Featuring **low on-state resistance**, the PCA9545AZQNR ensures minimal signal degradation while maintaining high-speed data transfer. Its **interrupt-driven switching** capability allows efficient management of multiple I²C peripherals, reducing the need for continuous polling. The device supports **voltage-level translation** between 1.8V, 3.3V, and 5V buses, making it suitable for mixed-voltage applications.   Housed in a compact **WQFN-20 package**, the PCA9545AZQNR is ideal for space-constrained designs. It includes **power-on reset functionality** for reliable initialization and supports **hot insertion**, ensuring robust performance in dynamic environments.   Common applications include **embedded systems, industrial automation, and consumer electronics**, where multiple I²C devices must coexist on a single bus. With its reliable switching and voltage compatibility, the PCA9545AZQNR simplifies complex I²C topologies while maintaining signal integrity.   Engineers seeking a high-performance I²C multiplexer will find this component an efficient solution for expanding bus capacity without compromising speed or stability. |
|||
Application Scenarios & Design Considerations
4-Channel I2C And SMBus Multiplexer With Interrupt Logic And Reset Functions 20-BGA MICROSTAR JUNIOR -40 to 85
|
|||
For immediate assistance, call us at +86 533 2716050 or email [email protected]
Specializes in hard-to-find components chips