The MAX6315US31D4+ is a state-of-the-art microprocessor (µP) supervisory circuit developed by Maxim Integrated. This compact and highly reliable component is designed to monitor power supplies in µP and digital systems, providing a significant enhancement in system reliability and accuracy over standard reset circuits.

Key Features

• Precision Monitoring: With factory-set reset threshold voltages for 3.1V, the MAX6315 ensures precise voltage monitoring, safeguarding your system against undervoltage conditions.
• Low Power Consumption: The device is optimized for low-power operation, making it an ideal choice for portable and battery-powered applications.
• Manual Reset Input: It features a manual reset input that allows for a system reset to be triggered with an external switch or logic signal.
• Quad Voltage Monitoring: The capacity to monitor four voltage levels simultaneously allows for comprehensive system protection.
• Immunity to Short Vcc Transients: The MAX6315 is designed to be immune to short-duration transients on the Vcc line, ensuring stable operation under fluctuating power conditions.
• Compact Design: Available in a small SOT143 package, the device saves valuable board space in dense circuit designs.

Applications

The MAX6315US31D4+ is versatile and can be used in a wide range of applications, including:

• Computers and Controllers
• Portable/Battery-Powered Equipment
• Intelligent Instruments
• Critical µP and µC Power Monitoring

Technical Specifications

Parameter Value Threshold Voltage 3.1V Operating Temperature -40°C to +85°C Package Type SOT143 Supply Voltage Range 1.0V to 5.5V Reset Timeout Period 140 ms (min)

The MAX6315US31D4+ is designed for direct interfacing to microprocessor systems, with a guaranteed reset valid to Vcc = 1.0V. It provides a robust solution for system stability and is a critical component for any design requiring reliable voltage monitoring and system reset functionality.