The MAX428CPA is a highly reliable microprocessor (µP) supervisory circuit designed by Maxim Integrated to monitor power supplies in µP and digital systems. It provides a significant level of system reliability and accuracy required for managing power functions and preventing system errors.

Key Features

• Precision Monitoring: This device offers precision monitoring of +5V, +3.3V, and adjustable voltage applications, ensuring that the system operates within safe voltage levels.
• Reset Output: The MAX428CPA provides a reset output during power-up, power-down, and brownout conditions. The reset signal ensures that the µP starts in a known state.
• Low Power Consumption: Designed for energy-efficient applications, it consumes a low amount of power, which is crucial for battery-operated devices.
• Manual Reset Feature: A manual reset input allows the user to initiate a system reset, providing an additional layer of system control.
• Voltage Monitoring Options: The device can monitor 3.3V, 5V, or an adjustable voltage threshold, making it versatile for various application requirements.

Applications

The MAX428CPA is suitable for a range of applications, including:

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

Product Specifications

The MAX428CPA from Maxim Integrated is an essential component for anyone looking to enhance the reliability and performance of their microprocessor-based systems. With its precision voltage monitoring and low power consumption, it stands as a robust solution for a myriad of applications where system integrity is paramount.