NXP Semiconductors Tariff Inquiry

PCA9506BS,118

PCA9506BS,118 Description

The PCA9506BS,118 from NXP Semiconductors is a high-performance I²C-bus I/O expander designed to provide flexible 40-bit parallel I/O port expansion for microcontroller-based systems. Operating within a 2.3V to 5.5V supply range, it supports a 400 kHz I²C clock frequency, ensuring efficient communication in low-power and mixed-voltage environments. Housed in a compact 56HVQFN package, this device is ideal for space-constrained applications. It features Power-On Reset (POR) for reliable initialization and interrupt output capabilities for event-driven system designs. With 10mA source and 25mA sink current per I/O, it drives LEDs and other peripherals effectively.

PCA9506BS,118 Features

• 40 I/O Ports: Expands microcontroller connectivity with bidirectional GPIOs.
• I²C Interface: Supports 400 kHz communication for high-speed data transfer.
• Wide Voltage Range (2.3V–5.5V): Compatible with mixed-voltage systems.
• High Current Drive: 10mA source / 25mA sink per pin for robust peripheral control.
• Interrupt Output: Minimizes polling overhead by signaling input changes.
• Power-On Reset (POR): Ensures stable initialization at power-up.
• RoHS3 & REACH Compliant: Meets environmental and safety standards.
• 56HVQFN Package: Optimized for surface-mount designs.

PCA9506BS,118 Applications

This I/O expander excels in systems requiring scalable I/O without microcontroller pin overhead, such as:

• Industrial Control Panels: Expands input/output for sensors and actuators.
• LED Matrix Displays: Drives multiple LEDs with high current capability.
• Consumer Electronics: Keypad scanning, button interfacing, and status indicators.
• Embedded Systems: Adds GPIOs for prototyping or dense PCB layouts.
• Automotive Infotainment: Interfaces with peripherals in mixed-voltage environments.

Conclusion of PCA9506BS,118

The PCA9506BS,118 stands out for its high I/O count, robust current drive, and interrupt-driven architecture, making it superior to basic expanders. Its wide voltage range and I²C compatibility ensure seamless integration into diverse designs, from industrial automation to portable electronics. With NXP's reliability and REACH/RoHS compliance, it is a future-proof choice for engineers prioritizing performance and scalability.