Product Overview: PCA9535BS,118

The PCA9535BS,118 is a sophisticated 16-bit I/O expander from the reputable semiconductor manufacturer NXP. This device is part of the PCA9535 series, designed to provide general-purpose remote I/O expansion for most microcontroller families via the two-line bidirectional I²C-bus (Inter-Integrated Circuit).

Key Features

• I²C Interface: The PCA9535BS,118 operates at I²C-bus speeds up to 400 kHz, providing a seamless and efficient communication channel with the host controller.
• 16-bit I/O Ports: It features 16 independent input/output pins that can be configured to either input or output, allowing a high degree of flexibility for interfacing with a wide range of peripherals.
• Low Standby Current: Efficiency is a key attribute of the PCA9535BS,118, which offers a low standby current, making it suitable for power-sensitive applications.
• Interrupt Output: An interrupt output pin can be configured to alert the host controller when an input state changes, thus reducing the need for the controller to continuously poll the inputs.
• Configurable Polarity: Input port polarity is programmable, allowing users to adapt the expander to their specific needs without additional hardware.

Applications

The PCA9535BS,118 is a versatile component that can be utilized in a variety of applications, including:

• Servers
• Personal electronics
• Industrial control systems
• Medical equipment
• Automotive systems

Package and Quality

This I/O expander comes in an HVQFN24 package, which is known for its small footprint and excellent thermal performance. The PCA9535BS,118 is also characterized by its robustness and reliability, meeting NXP's high-quality standards. It is suitable for surface-mount technology (SMT) assembly processes, aligning with modern PCB design and manufacturing practices.

Conclusion

In summary, the PCA9535BS,118 from NXP is a powerful I/O expander that offers increased flexibility for system designers. Its low power consumption, high integration, and ease of use make it an excellent choice for expanding the I/O capabilities of a wide range of electronic systems.