The MAX819MCSA+ from Maxim Integrated is a highly reliable microcontroller (µC) supervisory circuit designed to monitor power supplies in µC and digital systems. It provides a significant increase in system reliability and accuracy compared to separate ICs or discrete components.

Key Features

• Precision Monitoring: This device features a precision voltage monitor that keeps a watchful eye on the system's power supply, ensuring that the µC is always operating under optimal conditions.
• Power-On Reset: The MAX819MCSA+ generates a reset signal whenever the VCC supply voltage falls below the reset threshold, keeping the µC reset until VCC reaches the reset threshold voltage for a specified period, ensuring a proper system restart.
• Manual Reset: An additional manual reset input allows for an external trigger to reset the system, providing an extra layer of control.
• Low Power Consumption: Designed for power-sensitive applications, this supervisory circuit consumes minimal power, which is crucial for battery-operated devices.
• Compact Package: The device is available in a space-saving 8-pin SOIC package, suitable for space-constrained applications.

Applications

The MAX819MCSA+ is ideal for a wide range of applications that require precise voltage monitoring and reliable system reset functionality. These include:

• Computers and Servers
• Embedded Systems
• Portable/Battery-Powered Equipment
• Industrial Controllers
• Automotive Systems

Technical Specifications

With a reset threshold voltage typically at 4.65V and an operating temperature range of -40°C to +85°C, the MAX819MCSA+ is designed to withstand harsh environments and maintain consistent performance. The active-low reset output ensures compatibility with most µC systems.

In conclusion, the Maxim Integrated MAX819MCSA+ supervisory circuit is a robust solution for system management and reliability. Its precision voltage monitoring and reset capabilities make it an indispensable component for ensuring the integrity of digital and microcontroller-based systems.