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PCF8575RGER from TI,Texas Instruments

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PCF8575RGER

Manufacturer: TI

Remote 16-Bit I2C and SMBus I/O Expander with Interrupt Output 24-VQFN -40 to 85

Partnumber Manufacturer Quantity Availability
PCF8575RGER TI 46 In Stock

Description and Introduction

Remote 16-Bit I2C and SMBus I/O Expander with Interrupt Output 24-VQFN -40 to 85 # Introduction to the PCF8575RGER I/O Expander  

The **PCF8575RGER** is a versatile 16-bit I²C-bus I/O expander designed to enhance the input/output capabilities of microcontrollers and embedded systems. Manufactured in a compact **TSSOP-24** package, this IC provides a simple and efficient solution for applications requiring additional digital I/O lines while minimizing board space and power consumption.  

Featuring an **I²C interface**, the PCF8575RGER allows bidirectional communication with a host controller, supporting both input and output operations. Each of its 16 I/O pins can be individually configured, making it suitable for interfacing with sensors, switches, LEDs, and other peripherals. The device includes interrupt functionality, enabling efficient event-driven operation by alerting the host when input states change.  

With a wide operating voltage range (**2.5V to 5.5V**), the PCF8575RGER is compatible with various logic levels, ensuring flexibility in mixed-voltage systems. Its low standby current consumption makes it ideal for battery-powered applications.  

Common uses include industrial control systems, automation, and consumer electronics where expanding I/O capacity without complex circuitry is essential. The PCF8575RGER’s robust design and ease of integration make it a reliable choice for engineers seeking scalable I/O expansion.

Application Scenarios & Design Considerations

Remote 16-Bit I2C and SMBus I/O Expander with Interrupt Output 24-VQFN -40 to 85

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