STMicroelectronics

STMPE1208SQTR

STMPE1208SQTR Description

The STMPE1208SQTR is an I/O expander IC designed by STMicroelectronics, featuring a 12-bit resolution and a 12-input configuration. This device is specifically tailored for applications requiring efficient button and switch interfacing. It operates within a supply voltage range of 3V to 5.5V and consumes a minimal supply current of 98µA, making it highly energy-efficient. The STMPE1208SQTR is housed in a 40QFN package and is available in a Tape & Reel (TR) format, ensuring ease of integration into surface mount designs. Although this product is now obsolete, it remains a robust solution for specific applications where its unique features are still advantageous.

STMPE1208SQTR Features

• 12-Input Configuration: The STMPE1208SQTR offers 12 inputs, providing ample capacity for interfacing multiple buttons and switches in a compact design.
• 12-Bit Resolution: This high resolution ensures precise detection and control, making it suitable for applications requiring detailed input processing.
• I2C Interface: The device communicates via the I2C protocol, facilitating easy integration into systems with existing I2C communication infrastructure.
• Low Power Consumption: With a supply current of only 98µA, the STMPE1208SQTR is highly energy-efficient, making it ideal for battery-powered and low-power applications.
• Wide Operating Voltage Range: The 3V to 5.5V supply voltage range allows for compatibility with a variety of power sources, enhancing its versatility.
• Surface Mount Packaging: The 40QFN package and Tape & Reel (TR) format are designed for surface mount technology, ensuring ease of assembly and integration into modern PCB designs.
• Obsolete but Reliable: Despite being obsolete, the STMPE1208SQTR remains a reliable choice for applications where its specific features are required.

STMPE1208SQTR Applications

The STMPE1208SQTR is well-suited for a variety of applications where efficient button and switch interfacing is required. Specific use cases include:

• Consumer Electronics: Ideal for interfacing buttons and switches in devices such as remote controls, gaming controllers, and home automation systems.
• Industrial Controls: Suitable for control panels and user interfaces in industrial equipment where precise input detection is crucial.
• Medical Devices: Can be used in medical equipment requiring reliable and precise button inputs, such as patient monitors and diagnostic devices.
• Automotive Applications: Applicable in automotive control systems where low power consumption and high reliability are essential.

Conclusion of STMPE1208SQTR

The STMPE1208SQTR, despite being obsolete, remains a valuable component for applications requiring a reliable and efficient I/O expander with 12-bit resolution and 12 inputs. Its low power consumption, wide operating voltage range, and I2C interface make it a versatile choice for a variety of industries. While newer alternatives may exist, the STMPE1208SQTR continues to offer unique benefits, particularly in applications where its specific features are still advantageous. For designers and engineers working on projects that require precise button and switch interfacing, the STMPE1208SQTR remains a robust and reliable solution.