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PCA9575PW1 from NXP,NXP Semiconductors

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PCA9575PW1

Manufacturer: NXP

16-bit I2C-bus and SMBus, level translating, low voltage GPIO with reset and interrupt

Partnumber Manufacturer Quantity Availability
PCA9575PW1 NXP 2083 In Stock

Description and Introduction

16-bit I2C-bus and SMBus, level translating, low voltage GPIO with reset and interrupt The **PCA9575PW1** from NXP Semiconductors is a high-performance, low-voltage, 16-bit I²C-bus and SMBus I/O expander designed to simplify digital interface expansion in embedded systems. This versatile component enables bidirectional voltage-level translation between 1.2V and 3.6V logic levels, making it ideal for mixed-voltage applications.  

Featuring an I²C-bus interface, the PCA9575PW1 allows seamless communication with microcontrollers and other I²C-compatible devices. Each of its 16 I/O ports can be independently configured as an input or output, providing flexibility in system design. The device also includes interrupt functionality, alerting the host controller of input state changes to minimize polling overhead.  

With a power-saving standby mode and robust ESD protection, the PCA9575PW1 ensures reliable operation in demanding environments. Its compact TSSOP-24 package makes it suitable for space-constrained applications, such as industrial control systems, consumer electronics, and IoT devices.  

Engineers value the PCA9575PW1 for its ease of integration, low power consumption, and ability to bridge different voltage domains efficiently. Whether used for port expansion, sensor interfacing, or system monitoring, this I/O expander delivers a cost-effective and scalable solution for modern digital designs.

Application Scenarios & Design Considerations

16-bit I2C-bus and SMBus, level translating, low voltage GPIO with reset and interrupt

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