Maxim Integrated's MAX807MEWE+: A Robust Microprocessor Supervisor

The MAX807MEWE+ is a high-quality microprocessor (µP) supervisory circuit designed by Maxim Integrated to monitor power supplies in µP and digital systems. It provides excellent circuit reliability and low cost by eliminating external components and adjustments when used in systems that require voltage monitoring and battery control functions.

This device is particularly well-suited for portable electronics due to its compact size and power-saving features. It offers a combination of functions such as reset output during power-up, power-down, and brownout conditions. Additionally, the MAX807MEWE+ includes a backup battery switchover, write protection for nonvolatile memory, and a watchdog timer to ensure the system remains operational even under fault conditions.

Key Features:

• Power Supply Monitoring: Ensures that the system's microprocessor is reset to a known state during power-up, power-down, and brownout occurrences.
• Backup Battery Switchover: Automatically switches to a backup battery when the main power supply falls below a threshold, ensuring continuous operation.
• Watchdog Timer: The built-in watchdog timer helps to detect and recover from system malfunctions.
• Write Protection: Protects nonvolatile memory and other critical components during low power conditions, preventing accidental corruption.
• Compact Package: Available in a 16-Pin Wide SO package, suitable for space-constrained applications.
• Temperature Range: Operates over the extended temperature range of -40°C to +85°C, making it reliable for industrial applications.

Applications:

The MAX807MEWE+ is versatile and can be used in a variety of applications, including:

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

Maxim Integrated's commitment to quality ensures that the MAX807MEWE+ supervisory circuit is a dependable choice for maintaining the integrity of your digital systems. With its comprehensive feature set and robust design, it stands out as an essential component for any application requiring precise power monitoring and system management.