STMPE801MTR - 8-Bit I/O Expander from STMicroelectronics

The STMPE801MTR is an innovative 8-bit general purpose I/O expander from STMicroelectronics, designed to enhance the capabilities of the host controller in a variety of applications. This versatile integrated circuit (IC) is particularly suited for mobile and portable electronics, where it can be used to extend the number of I/Os available for switches, sensors, and other input devices.

Key Features

• Interface: The device communicates with the host controller via a standard I2C serial interface, which operates at up to 400 kHz (Fast-mode I2C). This allows for easy integration into most microcontroller-based systems.
• Configurable I/O: Each of the eight I/Os can be independently configured as either an input or an output, providing a flexible solution for various design requirements.
• Polarity Inversion: The STMPE801MTR also supports polarity inversion, which is useful when interfacing with devices that have opposite logic levels.
• Interrupt Output: An interrupt output pin is available, which can be configured to alert the host controller when an input state changes, thereby reducing the need for constant polling and helping to save power.
• ESD Protection: The device features robust ESD protection, ensuring reliability and longevity in environments where electrostatic discharge may be a concern.

Applications

The STMPE801MTR is ideal for a broad range of applications, including:

• Smartphones and tablets
• Personal media players
• Portable instrumentation
• Home and industrial automation
• Keyboards and remote controls

Package and Quality

STMicroelectronics packages the STMPE801MTR in a compact QFN-16 package, which is optimized for minimal footprint and low power consumption. The device is also compliant with RoHS and is qualified under industrial standards, ensuring performance and quality for professional use.

With its combination of flexibility, ease of use, and robustness, the STMPE801MTR from STMicroelectronics is an excellent choice for designers looking to expand the I/O capabilities of their systems without compromising on space or power efficiency.