PCA9554DTR2G

I/O Expanders onsemi PCA9554DTR2G Overview

The I/O Expanders onsemi PCA9554DTR2G is a high-performance integrated circuit designed to enhance the capabilities of SMBus-based communication systems. This IC I/O Expander facilitates the expansion of input/output operations, making it ideal for applications that require additional I/O ports without adding significant cost or complexity to the system design. Its 16-TSSOP package ensures a compact footprint, while its ease of integration with existing architectures makes it a preferred choice for designers looking to optimize their electronic systems efficiently.

PCA9554DTR2G Features

The PCA9554DTR2G from onsemi offers numerous features that make it standout in electronic designs requiring expanded I/O capabilities:

• 16-bit I/O port expander with SMBus interface that provides additional ports for microcontrollers with limited GPIOs.
• Low standby current, which is essential for power-sensitive applications.
• High noise immunity and ESD protection, ensuring robust performance in industrial environments.
• Programmable polarity inversion and configuration registers, allowing flexible control options and easy adaptability to different user requirements.

PCA9554DTR2G Applications

• Mobile Devices: Enables additional button inputs and LED outputs without major changes to the main processor.
• Server Management: Used in server motherboards to enhance control over system status indicators and manage multiple inputs and outputs efficiently.
• Industrial Automation: Facilitates the addition of more sensors and actuators to control systems, enhancing the scalability and functionality of automated production lines.
• Consumer Electronics: Integrates into smart home devices, allowing for expanded control interfaces and increased device interconnectivity.