The ASM812SEUS from ON Semiconductor is a robust microprocessor reset circuit that ensures the reliable operation of microprocessor (µP) systems during power-up, power-down, and brown-out conditions. This precision voltage supervisor is designed to monitor the power supply voltage of digital systems, providing a critical safeguard for devices that require consistent operation.

Key Features

• Voltage Monitoring Precision: The ASM812SEUS offers a high degree of accuracy in monitoring the supply voltage, ensuring the connected microprocessor receives a stable power supply.
• Low Power Consumption: With its low power requirement, this component helps to maintain the overall energy efficiency of the system it is integrated into.
• Manual Reset Input: A manual reset input allows for an external trigger to reset the system, providing additional control and safety mechanisms for the user.
• Reset Timeout: The device features a fixed reset timeout delay which ensures that the system has sufficient time to stabilize before resuming operation.
• Compact Package: The ASM812SEUS is available in a space-saving SOT-23 package, making it an ideal choice for applications with limited board space.

Applications

The ASM812SEUS is versatile and can be employed in a wide range of applications, including:

• Computers and servers
• Embedded systems
• Portable/battery-powered equipment
• Industrial controls
• Automotive systems

Product Specifications

The device is characterized by its tight reset threshold voltage, with options to cater to specific system requirements. It operates over a wide temperature range, making it suitable for challenging environments. The ASM812SEUS also boasts a low supply current, further enhancing its suitability for portable and power-sensitive applications.

Conclusion

With its precise voltage monitoring and low power consumption, the ASM812SEUS from ON Semiconductor is a reliable and efficient solution for system reset functions in a variety of electronic applications. Its manual reset feature and compact packaging further enhance its utility, making it a go-to component for designers seeking to improve system reliability and performance.