NXP Semiconductors Tariff Inquiry

PCA8574TS,112

PCA8574TS,112 Description

The PCA8574TS,112 is an 8-bit I/O expander designed for I2C bus applications, manufactured by NXP Semiconductors. This interface IC chip offers a versatile solution for expanding the number of available I/O lines in embedded systems. It supports a clock frequency of up to 400 kHz, ensuring efficient data transfer rates. The device operates within a supply voltage range of 2.3V to 5.5V, making it suitable for a wide range of power supply configurations.

The PCA8574TS,112 features 8 programmable I/O lines, which can be configured as either inputs or outputs. It provides a current output source of 100µA and a current sink capability of 25mA, allowing it to drive various types of loads. The device also includes an interrupt output, enabling efficient communication with the host microcontroller or processor.

This I/O expander is housed in a 20-lead SSOP package and is designed for surface-mount applications, offering a compact and reliable solution for space-constrained designs. Despite its small form factor, the PCA8574TS,112 maintains a high level of performance and functionality.

PCA8574TS,112 Features

• I2C Interface: The PCA8574TS,112 utilizes the I2C bus protocol, which simplifies communication with the host controller and minimizes the number of required pins.
• 8 Programmable I/O Lines: Each I/O line can be individually configured as an input or output, providing flexibility in system design.
• Interrupt Output: The device includes an interrupt output feature, which allows it to signal the host controller when specific conditions are met, optimizing system responsiveness.
• Power-On Reset (POR): The built-in POR ensures that the device initializes to a known state upon power-up, enhancing system reliability.
• Wide Operating Voltage Range: The PCA8574TS,112 operates within a voltage range of 2.3V to 5.5V, making it compatible with various power supply configurations.
• Low Current Consumption: With a current output source of 100µA and a current sink capability of 25mA, the device is designed for low power consumption, ideal for battery-operated and energy-efficient applications.
• Surface-Mount Package: The 20-lead SSOP package is suitable for surface-mount technology, providing a compact and reliable solution for modern PCB designs.
• Compliance and Certification: The PCA8574TS,112 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards.

PCA8574TS,112 Applications

The PCA8574TS,112 is ideal for a variety of applications where I/O expansion is required. Some specific use cases include:

• Embedded Systems: Expanding the number of available I/O lines in microcontroller-based systems, allowing for more peripherals and sensors to be connected.
• Consumer Electronics: Enhancing the functionality of devices such as smartphones, tablets, and smart home appliances by providing additional I/O capabilities.
• Industrial Automation: Enabling the connection of multiple sensors and actuators in industrial control systems, improving system scalability and flexibility.
• Automotive Applications: Supporting the integration of various electronic components in vehicles, such as infotainment systems, driver assistance features, and vehicle control modules.

Conclusion of PCA8574TS,112

The PCA8574TS,112 is a robust and versatile I/O expander that offers significant benefits for I2C bus applications. Its wide operating voltage range, low current consumption, and flexible I/O configuration make it an ideal choice for a variety of embedded systems and consumer electronics. The inclusion of an interrupt output and power-on reset further enhances its functionality and reliability. Despite being marked as obsolete, the PCA8574TS,112 remains a valuable component for designers seeking a reliable and efficient I/O expansion solution.