The MAX791CUE from Maxim Integrated is a sophisticated microprocessor (µP) supervisory circuit designed 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 with 5V-powered circuits.

Key Features

• Precision Monitoring: The device offers a precision voltage monitor with a factory-set reset threshold of 4.65V, ensuring accurate and reliable system operation.
• Reset Timeout: It features an adjustable reset timeout delay, which can be set by connecting a capacitor to the relevant pin, allowing for customized system reset timing.
• Manual Reset Capability: A manual reset input is provided, enabling the user to initiate a system reset at any moment, which is vital for system maintenance and troubleshooting.
• Low Power Consumption: The MAX791CUE operates with low power consumption, making it ideal for power-sensitive applications.
• Backup Battery Switchover: It includes a backup battery switchover function that maintains power to the memory when the main supply fails, ensuring data retention.

Applications

This voltage monitor is suitable for a wide range of applications, including:

• Computers and Servers
• Embedded Systems
• Portable/Battery-Powered Equipment
• Intelligent Instruments
• Critical µP Power Monitoring

Package and Availability

The MAX791CUE is available in a 16-pin TSSOP (Thin Shrink Small Outline Package) which provides a compact footprint for space-constrained applications. Its operating temperature range is from -40°C to +85°C, accommodating a wide range of environmental conditions.

Maxim Integrated's commitment to quality ensures that the MAX791CUE voltage monitor is a reliable component for any system requiring accurate power supply monitoring.