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PCA9543CPW from NXP,NXP Semiconductors

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PCA9543CPW

Manufacturer: NXP

PCA9543CPW

Partnumber Manufacturer Quantity Availability
PCA9543CPW NXP 1923 In Stock

Description and Introduction

PCA9543CPW The **PCA9543CPW** from NXP Semiconductors is a dual bidirectional translating switch designed for I²C bus applications. This component enables communication between multiple I²C buses operating at different voltage levels, making it ideal for systems requiring voltage translation and bus isolation.  

Housed in a TSSOP-16 package, the PCA9543CPW features two independent switch channels, allowing two separate I²C buses to be connected or isolated as needed. It supports standard-mode (up to 100 kHz) and fast-mode (up to 400 kHz) I²C operations, ensuring compatibility with a wide range of peripherals.  

Key functionalities include low on-state resistance, minimal propagation delay, and an interrupt output that signals status changes across the buses. The device operates with a supply voltage range of 2.3V to 5.5V, accommodating various logic levels without external level-shifting components.  

Applications for the PCA9543CPW include embedded systems, server backplanes, and industrial automation, where multiple I²C devices must coexist without interference. Its compact footprint and robust performance make it a reliable solution for managing complex I²C bus architectures.  

Engineers value this component for its ease of integration, low power consumption, and ability to enhance system flexibility while maintaining signal integrity.

Application Scenarios & Design Considerations

PCA9543CPW

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