Maxim Integrated MAX794CSE+ Battery Backup IC

The Maxim Integrated MAX794CSE+ is a high-performance, low-power battery backup IC designed to maintain accurate timekeeping and safe system operation during power failures. This compact and efficient device is an ideal solution for systems that require reliable backup power to preserve data and maintain clock accuracy when the main power supply is interrupted.

Key Features

• Power-Fail Input: The MAX794CSE+ features a power-fail input that provides an early warning of impending power failure, allowing systems to prepare for a shutdown and switch to backup power seamlessly.
• Battery Backup Switching: It includes an automatic backup battery switching function that activates when the main power supply drops below a preset threshold, ensuring uninterrupted operation.
• Low Power Consumption: With its low quiescent current, this IC is optimized for battery-powered applications, helping to extend the life of the backup battery.
• RESET Output: The device includes a RESET output that can be used to reset a microcontroller or other digital logic when power is restored, ensuring a safe and orderly system restart.
• Wide Operating Temperature Range: The MAX794CSE+ operates over a broad temperature range, making it suitable for industrial and automotive applications.

Applications

The Maxim Integrated MAX794CSE+ is versatile and can be used in a variety of applications, including:

• Embedded Systems
• Portable Devices
• Data Loggers
• Industrial Controllers
• Automotive Electronics

Technical Specifications

• Package: 16-SOIC
• Voltage - Supply: 4.75V ~ 5.5V
• Operating Temperature: -40°C ~ 85°C
• Battery Chemistry: Any rechargeable or non-rechargeable battery

With its robust feature set, the MAX794CSE+ from Maxim Integrated is a reliable choice for designers looking to incorporate a secure battery backup solution into their systems. Its integration of power-fail detection, backup battery management, and RESET output makes it a compact and efficient choice for maintaining system integrity during power interruptions.