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PCA9541D/03 from NXP,NXP Semiconductors

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PCA9541D/03

Manufacturer: NXP

PCA9541; 2-to-1 I²C master selector with interrupt logic and reset

Partnumber Manufacturer Quantity Availability
PCA9541D/03,PCA9541D03 NXP 477 In Stock

Description and Introduction

PCA9541; 2-to-1 I²C master selector with interrupt logic and reset The **PCA9541D/03** from NXP Semiconductors is a versatile I²C bus multiplexer designed to manage communication between multiple I²C slave devices sharing the same bus. This component enables seamless switching between different I²C channels, preventing address conflicts and enhancing system flexibility in complex designs.  

Featuring a single-channel architecture, the PCA9541D/03 allows one master device to control multiple I²C slaves by selecting the desired bus segment. It supports standard (100 kHz) and fast-mode (400 kHz) I²C operations, ensuring compatibility with a wide range of peripherals. The device operates at voltages between 2.3V and 5.5V, making it suitable for mixed-voltage environments.  

Key functionalities include interrupt handling, which alerts the master when a slave requires attention, and a low standby current for power-efficient applications. The PCA9541D/03 is housed in a compact SO8 package, ideal for space-constrained designs.  

Common applications include industrial control systems, embedded computing, and consumer electronics where multiple I²C devices must coexist efficiently. Its robust performance and straightforward integration make it a reliable choice for engineers seeking an effective I²C bus management solution.  

With its balance of simplicity and functionality, the PCA9541D/03 simplifies I²C bus expansion while maintaining signal integrity and system reliability.

Application Scenarios & Design Considerations

PCA9541; 2-to-1 I²C master selector with interrupt logic and reset

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