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PCA9575PW2 from NXP,NXP Semiconductors

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PCA9575PW2

Manufacturer: NXP

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

Partnumber Manufacturer Quantity Availability
PCA9575PW2 NXP 294 In Stock

Description and Introduction

16-bit I2C-bus and SMBus, level translating, low voltage GPIO with reset and interrupt The **PCA9575PW2** from NXP Semiconductors is a high-performance, low-voltage, 16-bit I²C-bus and SMBus I/O expander designed to enhance system flexibility in embedded applications. This CMOS-based device provides general-purpose remote I/O expansion via the I²C-bus interface, supporting both input and output configurations with programmable polarity inversion.  

Operating at a supply voltage range of 1.65V to 3.6V, the PCA9575PW2 is ideal for interfacing with low-voltage microcontrollers and processors. It features a built-in power-on reset function, ensuring reliable initialization upon startup. The device also includes Schmitt trigger inputs for improved noise immunity, making it suitable for industrial and consumer electronics applications.  

With its I²C-bus compatibility, the PCA9575PW2 simplifies system design by reducing the number of GPIO pins required on the host controller. Each I/O port can be independently configured as an input or output, offering versatile control for LEDs, sensors, switches, and other peripherals.  

Packaged in a TSSOP-24 form factor, the PCA9575PW2 is optimized for space-constrained designs while maintaining robust performance. Its low standby current consumption further enhances energy efficiency in battery-powered applications.  

Engineers seeking a reliable, scalable I/O expansion solution will find the PCA9575PW2 a practical choice for modern embedded systems.

Application Scenarios & Design Considerations

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

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