The PCA9539RBS,118 is a robust, high-performance remote 16-bit I/O expander designed by NXP Semiconductors. It is specifically engineered to provide additional I/O interfaces to a microcontroller via the I²C-bus interface. The device is housed in a compact HVQFN32 package and is an ideal solution for applications where I/O pins on a microcontroller are at a premium.

Key Features

• Interface: I²C-bus interface (400 kHz) with 16 individual fully configurable I/O pins.
• Voltage Range: Operates from a power supply voltage ranging from 2.3V to 5.5V, making it suitable for a wide variety of applications and logic levels.
• Output Drive Capacity: Open-drain interrupt output.
• Polarity Inversion: Polarity inversion register to adjust the polarity of the input port data.
• Power-up with Defaults: Power-up with all I/Os configured as inputs to prevent unintended outputs.
• Package: Offered in a space-saving 32-pin HVQFN package.

Applications

The PCA9539RBS,118 is versatile and can be used in a range of applications, including:

• Servers
• Personal computers
• Industrial control
• Battery management
• Medical equipment
• Mobile phones
• Consumer electronics

Product Benefits

The PCA9539RBS,118 provides numerous benefits to designers and engineers. Its I²C-bus interface allows for easy integration into existing systems with minimal overhead. The ability to operate over a wide voltage range offers compatibility with various logic levels, while its low standby current helps to maximize power efficiency in battery-powered devices. Additionally, the HVQFN32 package is optimized for reduced space, making it an excellent choice for compact PCB designs.

Quality and Reliability

As with all NXP products, the PCA9539RBS,118 is manufactured to the highest quality standards, ensuring reliable performance in even the most demanding applications. The device is also supported by NXP's comprehensive technical documentation and application support, simplifying the design-in process and reducing time to market.