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PCA9554PWRG4 from TI,Texas Instruments

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PCA9554PWRG4

Manufacturer: TI

Remote 8-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-TSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
PCA9554PWRG4 TI 1296 In Stock

Description and Introduction

Remote 8-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-TSSOP -40 to 85 The **PCA9554PWRG4** from Texas Instruments is an advanced **8-bit I²C-bus and SMBus I/O expander** designed to simplify digital interface expansion in embedded systems. This versatile component enables microcontrollers with limited I/O pins to control multiple peripherals efficiently via the I²C protocol.  

Featuring **low standby current consumption**, the PCA9554PWRG4 is ideal for power-sensitive applications. It provides **eight programmable GPIO pins**, each configurable as an input or output, with internal pull-up resistors for simplified circuit design. The device supports **interrupt functionality**, allowing the host to detect input state changes without continuous polling, enhancing system responsiveness.  

With a **wide operating voltage range (2.3V to 5.5V)**, the PCA9554PWRG4 is compatible with various logic levels, making it suitable for diverse applications, including industrial control, consumer electronics, and IoT devices. Its **small TSSOP-16 package** ensures space-efficient integration into compact designs.  

The PCA9554PWRG4 also includes robust **ESD protection**, ensuring reliability in electrically noisy environments. Its I²C interface supports **standard (100 kHz) and fast (400 kHz) modes**, providing flexibility for different system requirements.  

Engineers seeking a reliable, low-power I/O expansion solution will find the PCA9554PWRG4 a practical choice for enhancing system connectivity while minimizing design complexity.

Application Scenarios & Design Considerations

Remote 8-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-TSSOP -40 to 85

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