onsemi

PCA9655EDWR2G

PCA9655EDWR2G Description

The PCA9655EDWR2G is a 16-bit I/O Expander from onsemi, designed to operate with I2C and SMBus interfaces. This IC is a versatile solution for expanding the I/O capabilities of microcontrollers in various applications. With a clock frequency of 100 kHz, it offers reliable communication and control. The device is capable of sourcing or sinking 42mA per I/O pin, providing ample current for driving various loads. The PCA9655EDWR2G is designed for surface mount applications, making it suitable for compact and space-constrained designs. It operates over a wide supply voltage range of 1.65V to 5.5V, ensuring compatibility with a variety of power sources.

PCA9655EDWR2G Features

• 16-bit I/O expander with I2C and SMBus interfaces
• Clock frequency of 100 kHz for reliable communication
• 42mA source/sink capability per I/O pin for driving various loads
• Surface mount design for compact and space-constrained applications
• Wide supply voltage range of 1.65V to 5.5V for compatibility with various power sources
• Interrupt output feature for efficient event handling
• POR (Power-On Reset) feature for reliable startup
• REACH unaffected and RoHS3 compliant for environmental compliance
• Moisture Sensitivity Level (MSL) of 3 (168 Hours) for reliable operation in various environments

PCA9655EDWR2G Applications

The PCA9655EDWR2G is ideal for a wide range of applications where I/O expansion is required. Some specific use cases include:

1. Industrial control systems: Expanding the I/O capabilities of microcontrollers for controlling various sensors, actuators, and other peripherals.
2. Consumer electronics: Adding additional buttons, switches, or LEDs to devices such as smartphones, tablets, and smart home devices.
3. Automotive applications: Expanding the I/O capabilities of automotive microcontrollers for controlling various in-vehicle systems and components.
4. Medical devices: Adding additional I/O channels for monitoring and controlling various medical equipment and sensors.

Conclusion of PCA9655EDWR2G

The PCA9655EDWR2G is a versatile and reliable I/O expander from onsemi, offering a wide range of features and benefits for various applications. Its 16-bit I/O expansion, I2C and SMBus interfaces, and 42mA source/sink capability make it an ideal choice for expanding the I/O capabilities of microcontrollers in a variety of applications. With its wide supply voltage range, interrupt output feature, and environmental compliance, the PCA9655EDWR2G is a robust solution for designers looking to enhance their system's I/O capabilities.