PCA9675BQ,118

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The PCA9675BQ,118 is an Interface - I/O Expanders designed by NXP Semiconductors. It is a 16-bit I/O expander with an I2C bus interface suitable for a variety of applications in consumer, industrial, and automotive markets. The PCA9675BQ,118 offers flexibility and scalability, with its wide supply voltage range from 2.25V to 5.5V and industry-standard I2C protocol, providing a single I2C slave solution for a wide range of I/O needs.

The PCA9675BQ,118 includes a 16-bit open-drain I/O expansion port, suitable for a wide range of applications, from driving LEDs and relays, general purpose input/output (GPIO), to interfacing with analog sensors or digital peripherals. Each I/O port is individually configurable, and can be set up as a separate I/O bank, or connected together to provide a 16-bit Port B I/O expansion port. Additionally, each I/O port has an 8-bit external counter function, allowing it to count events from a wide variety of sources, including buttons and rotary encoders.

The PCA9675BQ,118 provides extensive control options over the I/O ports and the attached peripherals, as well as over the I2C bus interface. The I2C bus supports multi-master and multi-slave configurations, so multiple devices can be connected together and communicate over the same bus simultaneously. The bus support also allows for multiple operations to be performed in parallel, allowing for faster data transfer speeds but also reducing overall power consumption. The PCA9675BQ,118 also supports clock stretching, allowing the device to hold a data transfer when needed.

In addition to the I/O port, the PCA9675BQ,118 also includes several integrated system-level components, such as a programmable timer/counter, an interrupt system, a 1-way communication bus, a watchdog timer, and a low-power standby mode. The 1-way communication bus can be used to set up communication between multiple PCA9675BQ,118 devices and allow for interchange of data and status information.

The PCA9675BQ,118 also supports several safety features, such as Over-Voltage, Over-Current, and Over-Temperature protections. It is also RoHS compliant, making it suitable for use in industrial environments. In addition, the PCA9675BQ,118 includes an Enhanced Power-Loss Protection feature, which protects the device when it is powered off abruptly.

The PCA9675BQ,118 is a versatile Interface - I/O Expanders designed to meet the needs of a wide variety of applications, from consumer, industrial, and automotive markets. With its wide supply voltage range and industry-standard I2C bus interface, it is ideal for adding additional expandability and flexibility to any system.

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