onsemi

ASM811SEUSF-T

ASM811SEUSF-T Description

The ASM811SEUSF-T is a single-channel voltage supervisor IC designed by onsemi, a leading manufacturer in the electronics industry. This supervisor IC is housed in a compact SOT143 package, making it suitable for a wide range of applications where space is a critical consideration. The ASM811SEUSF-T is designed to monitor a single voltage with a threshold of 2.93V, ensuring reliable and accurate monitoring of power supply levels. The reset timeout is specified at a minimum of 100ms, providing ample time for system stabilization during power-up or brownout conditions.

The device features an active-low reset output, which is ideal for interfacing with microcontrollers and other digital systems that require a low signal to initiate a reset. The ASM811SEUSF-T is available in a surface-mount package, specifically in a tape and reel format (TR), facilitating automated assembly processes and ensuring high reliability in manufacturing environments. The moisture sensitivity level (MSL) of 1 (unlimited) indicates that the device is not sensitive to moisture, making it suitable for a variety of environmental conditions without the need for special handling.

ASM811SEUSF-T Features

• Single Channel Voltage Monitoring: The ASM811SEUSF-T is designed to monitor a single voltage, providing a straightforward and efficient solution for applications requiring simple power supply supervision.
• 2.93V Threshold Voltage: The device features a precise threshold voltage of 2.93V, ensuring accurate monitoring and reliable reset functionality when the monitored voltage drops below this level.
• 100ms Minimum Reset Timeout: The reset timeout of at least 100ms allows for proper system initialization and stabilization, preventing premature reset and ensuring robust system performance.
• Active-Low Reset Output: The active-low reset output is compatible with a wide range of digital systems, making it easy to integrate into existing designs.
• Surface Mount Package: The surface-mount package type facilitates automated assembly processes, enhancing manufacturing efficiency and reliability.
• Tape & Reel Packaging: The ASM811SEUSF-T is available in tape and reel packaging, which is ideal for high-volume production and automated pick-and-place assembly lines.
• Moisture Sensitivity Level 1: The device is rated at MSL 1 (unlimited), indicating it is not sensitive to moisture and can be used in various environmental conditions without special handling requirements.

ASM811SEUSF-T Applications

The ASM811SEUSF-T is ideal for applications where reliable power supply monitoring is essential. Some specific use cases include:

• Embedded Systems: In embedded systems, the ASM811SEUSF-T can be used to monitor the main power supply voltage, ensuring that the system remains stable and functional during power fluctuations.
• Microcontroller-Based Designs: The active-low reset output makes it easy to integrate with microcontrollers, providing a reliable reset signal when the monitored voltage drops below the threshold.
• Consumer Electronics: In consumer electronics, the compact SOT143 package and surface-mount format make the ASM811SEUSF-T suitable for space-constrained designs, such as smartphones, tablets, and other portable devices.
• Industrial Control Systems: The robustness and reliability of the ASM811SEUSF-T make it suitable for industrial control systems where power supply monitoring is critical for system stability and safety.

Conclusion of ASM811SEUSF-T

The ASM811SEUSF-T is a versatile and reliable voltage supervisor IC designed for applications requiring precise power supply monitoring. Its compact SOT143 package, surface-mount format, and tape and reel packaging make it suitable for a wide range of applications, from consumer electronics to industrial control systems. The device's 2.93V threshold voltage and 100ms minimum reset timeout ensure accurate and reliable monitoring, while the active-low reset output provides compatibility with various digital systems. Although the product is now obsolete, its unique features and advantages make it a valuable component for existing designs and legacy systems.