PCA9575HFManufacturer: NXP, NXP Pb-free 16-bit I2C-bus and SMBus, level translating, low voltage GPIO with reset and interrupt |
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| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| PCA9575HF | NXP, NXP Pb-free | 53800 | In Stock |
Description and Introduction
16-bit I2C-bus and SMBus, level translating, low voltage GPIO with reset and interrupt The **PCA9575HF** from **NXP Semiconductors** is a high-performance, low-voltage **I²C-bus GPIO expander** designed to enhance system flexibility by providing additional general-purpose input/output (GPIO) ports. This component is particularly useful in applications where microcontroller or processor GPIO pins are limited.  
Featuring **16-bit I/O expansion**, the PCA9575HF operates at voltages as low as **1.65V**, making it suitable for low-power and battery-operated devices. It supports **bidirectional data transfer** over the I²C-bus, allowing seamless integration with existing I²C host controllers. Each I/O pin can be independently configured as an input or output, offering versatile control for various peripheral interfaces.   Key advantages include **low standby current consumption**, **interrupt output for monitoring input changes**, and **high noise immunity**, ensuring reliable performance in noisy environments. The device also incorporates internal pull-up resistors, reducing external component count.   Common applications include **industrial automation**, **consumer electronics**, and **embedded systems** where additional GPIO expansion is required. With its compact **TSSOP-24 package**, the PCA9575HF is an efficient solution for space-constrained designs while maintaining robust functionality.   Engineers seeking a reliable, low-power GPIO expander will find the PCA9575HF a practical choice for extending system I/O capabilities. |
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Application Scenarios & Design Considerations
16-bit I2C-bus and SMBus, level translating, low voltage GPIO with reset and interrupt
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