Introducing the PCA9535HF,118 from NXP Semiconductors

The PCA9535HF,118 is a robust, high-performance 16-bit I/O expander from the trusted NXP Semiconductors portfolio. This device is designed to provide a seamless extension of the I/O capabilities for any microcontroller or microprocessor with an I2C interface. It is particularly well-suited for applications where additional I/Os are needed, and space constraints are a concern.

Key Features

• 16-bit I/O Ports: The PCA9535HF,118 is equipped with two 8-bit Configuration, Input, Output, and Polarity Inversion registers to facilitate easy interfacing and control.
• I2C Interface: This expander operates on the I2C-bus/SMBus, supporting both 100 kHz and 400 kHz communication speeds, which ensures compatibility with a wide range of microcontrollers.
• Low Standby Current: Its optimized design allows for a low standby current, making it ideal for power-sensitive applications.
• Interrupt Output: An interrupt output pin is available to indicate a change in input status, helping to improve the efficiency of the system by eliminating the need for constant polling.
• Voltage Range: The device is operational over a wide voltage range from 2.3V to 5.5V, which provides flexibility for various system voltages.
• High Noise Immunity: Inputs and outputs are high-impedance, ensuring high noise immunity and reduced power consumption.

Applications

The PCA9535HF,118 is versatile and can be used in a variety of applications, including:

• Server infrastructure
• Industrial control systems
• Home automation
• Consumer electronics
• Automotive control systems

Package and Quality

The PCA9535HF,118 comes in a compact TSSOP24 (Thin Shrink Small Outline Package) that is ideal for space-constrained applications. NXP Semiconductors is committed to delivering high-quality products, and this I/O expander is no exception, meeting stringent industry standards for performance and reliability.

With the PCA9535HF,118, designers can easily expand the I/O capabilities of their systems, ensuring that they can meet the growing demands of today's technology. Whether it's for general-purpose I/O expansion, signal gating, or power management, this I/O expander is an excellent choice for enhancing your electronic designs.