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PCA9541PW from NXP,NXP Semiconductors

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PCA9541PW

Manufacturer: NXP

2-to-1 I2C-bus master selector with interrupt logic and reset

Partnumber Manufacturer Quantity Availability
PCA9541PW NXP 2500 In Stock

Description and Introduction

2-to-1 I2C-bus master selector with interrupt logic and reset The **PCA9541PW** from NXP Semiconductors is a versatile **I²C bus multiplexer** designed to enable communication between multiple I²C master and slave devices on a single bus. This component simplifies system design by allowing multiple I²C segments to coexist without address conflicts, making it ideal for applications requiring multiple sensors, memory modules, or peripheral devices.  

Featuring a **2-channel bidirectional switching** capability, the PCA9541PW ensures seamless data transfer while maintaining signal integrity. Its low ON-state resistance minimizes voltage drops, ensuring reliable performance in low-voltage systems. The device supports **standard and fast-mode I²C operations**, with compatibility for clock frequencies up to **400 kHz**.  

The PCA9541PW includes an **interrupt input** that facilitates efficient event-driven communication, reducing unnecessary polling. Its compact **TSSOP-16 package** makes it suitable for space-constrained designs, while its **3.3V and 5V tolerance** ensures broad compatibility with various logic levels.  

Engineers often integrate the PCA9541PW in embedded systems, industrial automation, and consumer electronics where multiple I²C devices must share a single bus. Its robust design and ease of integration make it a reliable solution for enhancing I²C bus flexibility without compromising performance.  

For detailed specifications, refer to the official datasheet for precise electrical characteristics and application guidelines.

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