The STMPE1601TBR is an I/O Expander from STMicroelectronics, belonging to the Xpander Logic™ series. This 25TFBGA-packaged device is designed to offer a flexible and efficient solution for expanding the I/O capabilities of microcontrollers in various applications. With a clock frequency of 400 kHz and an I2C interface, it provides a reliable communication link between the microcontroller and external devices. The STMPE1601TBR is equipped with 16 I/O lines, supporting both input and output functions, and features an open-drain output type. It operates within a supply voltage range of 1.65V to 3.6V and can source or sink a maximum current of 4mA per I/O line.
The STMPE1601TBR is ideal for applications where I/O expansion is necessary, such as:
The STMPE1601TBR, with its robust feature set and versatile I/O capabilities, is a valuable component for designers looking to expand the functionality of their microcontroller-based systems. Its unique combination of a keypad controller, PWM functionality, and interrupt output makes it stand out among similar models. Despite being classified as obsolete, it remains a reliable choice for applications where these specific features are required. However, for new designs, it is recommended to consider more recent offerings from STMicroelectronics that may offer enhanced performance and extended longevity.
Download datasheets and manufacturer documentation for STMPE1601TBR