STMicroelectronics

STMPE801QTR

STMPE801QTR Description

The STMPE801QTR is an I/O expander IC from STMicroelectronics, part of the Xpander Logic™ series. This device is designed to provide additional I/O capabilities to microcontrollers and other systems through its I2C interface. It operates at a clock frequency of 400 kHz, ensuring efficient and reliable communication. The STMPE801QTR supports a wide supply voltage range of 1.65V to 3.6V, making it suitable for various power supply configurations. It features 8 I/O pins, which can be configured for different applications, and includes an interrupt output for efficient system management.

The STMPE801QTR is available in a 16-QFN package and is suitable for surface-mount applications. It is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. The device is packaged in tape and reel format (TR), facilitating automated assembly processes. Despite its obsolete status, the STMPE801QTR remains a reliable choice for applications requiring I/O expansion.

STMPE801QTR Features

• I2C Interface: The STMPE801QTR features a high-speed I2C interface with a clock frequency of 400 kHz, enabling fast and efficient communication with microcontrollers and other system components.
• 8 I/O Pins: This I/O expander provides 8 configurable I/O pins, offering flexibility for various applications, including general-purpose I/O, interrupt handling, and more.
• Interrupt Output: The device includes an interrupt output, allowing for efficient system management and reducing the load on the main processor.
• Wide Supply Voltage Range: The STMPE801QTR operates within a supply voltage range of 1.65V to 3.6V, making it suitable for a variety of power supply configurations.
• Power-On Reset (POR): The device features a Power-On Reset (POR) function, ensuring reliable initialization and operation.
• Surface Mount Compatibility: The STMPE801QTR is designed for surface-mount applications, making it ideal for modern, space-constrained designs.
• Environmental Compliance: The device is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance.
• Packaging: Available in tape and reel format (TR), the STMPE801QTR is suitable for automated assembly processes.

STMPE801QTR Applications

The STMPE801QTR is ideal for applications requiring additional I/O capabilities, such as:

• Embedded Systems: Enhancing the I/O capabilities of microcontrollers in embedded systems.
• Consumer Electronics: Expanding I/O options in consumer devices, such as smartphones, tablets, and IoT devices.
• Industrial Control: Providing additional I/O for industrial control systems and automation applications.
• Automotive Applications: Supporting I/O expansion in automotive electronic systems.
• Medical Devices: Enhancing the I/O capabilities of medical devices, ensuring reliable and efficient operation.

Conclusion of STMPE801QTR

The STMPE801QTR from STMicroelectronics is a versatile I/O expander IC that offers a wide range of features and benefits. Its high-speed I2C interface, wide supply voltage range, and interrupt output make it an efficient and reliable choice for various applications. The device's surface-mount compatibility and environmental compliance further enhance its suitability for modern electronic designs. Despite its obsolete status, the STMPE801QTR remains a valuable component for applications requiring I/O expansion, providing a robust and flexible solution for designers and engineers in the electronics industry.