The PCA9535EDTR2G is a robust, low-voltage 16-bit General Purpose Input/Output (GPIO) expander designed by ON Semiconductor. This integrated circuit is ideal for applications where additional I/Os are necessary, particularly in microcontroller-based systems where pin expansion is required. The PCA9535EDTR2G operates on the I²C bus and serial interface, which allows for easy integration into existing systems with minimal additional wiring.

Key Features

• Interface: I²C and SMBus compatible, providing a simple two-wire serial interface for communication.
• Voltage Range: Designed to support a wide range of supply voltages from 2.3V to 5.5V, making it versatile for various applications.
• Channels: Offers 16 individual GPIOs, which can be configured as inputs or outputs, providing significant expansion capabilities.
• Interrupt Function: Features an interrupt output that can be activated by input state changes, reducing the need for continuous polling by the host controller.
• Output Drive Capability: Open-drain and quasi-bidirectional output modes are available to suit different application needs.
• Power Consumption: Designed for low power consumption, which is critical for battery-powered and energy-efficient devices.

Applications

The PCA9535EDTR2G is suitable for a wide array of applications, including but not limited to:

• Server infrastructure
• Industrial control systems
• Home automation
• Consumer electronics
• Extended keypad interfaces

Package and Quality

ON Semiconductor offers the PCA9535EDTR2G in a TSSOP-24 package, which is known for its compact footprint and suitability for space-constrained applications. The device is also provided in tape and reel packaging, facilitating efficient assembly during the manufacturing process. Furthermore, the product adheres to ON Semiconductor's commitment to high-quality standards, ensuring reliability and performance in demanding environments.