The MAX807MCWE+ is a sophisticated 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.

Key Features

• Voltage Monitoring: This device ensures that the system's voltage levels remain within acceptable thresholds, providing a reset output during power-up, power-down, and brown-out conditions. The reset signal maintains the system in the reset state until the supply voltage reaches a stable condition, ensuring proper system operation.
• Battery Backup Switching: The MAX807MCWE+ includes a battery backup circuit that automatically switches to the backup battery when the main power supply falls below a certain threshold, thus preserving memory contents during power failures.
• Watchdog Timer: A built-in watchdog timer monitors the system operation. If the µP fails to provide a periodic signal, the device triggers a system reset, helping to recover from a software lock-up or other faults.
• Manual Reset: An additional feature is the manual reset input, which allows for an external trigger to initiate a system reset, providing an extra layer of system control.

Applications

The MAX807MCWE+ is ideal for use in a wide range of applications, including:

• Computers and Servers
• Embedded Systems
• Communication Equipment
• Portable/Battery-Powered Equipment

Technical Specifications

With an operating temperature range of -40°C to +85°C and packaged in a 16-SOIC wide body, the MAX807MCWE+ is designed for robust performance in diverse environments. The device operates over a wide voltage range and has a variety of reset threshold options, making it versatile for different system requirements.

For detailed technical specifications, please refer to the MAX807MCWE+ datasheet.