The MAX933CDA from Maxim Integrated is a highly precise microprocessor (µP) supervisory circuit designed to monitor power supplies in µP and digital systems. It provides a significant level of system reliability and accuracy required in critical applications, ensuring that the system operates within safe voltage levels.

Key Features

• Voltage Monitoring: This device is adept at monitoring 3.3V, 5V, and adjustable voltage supplies, making it versatile for different system requirements.
• Reset Timeout: It offers a reset timeout of 140ms (min), ensuring that the system has sufficient time to stabilize before resuming operation after a voltage disturbance.
• Low Power Consumption: The MAX933CDA is designed for power-sensitive applications with a low supply current of 12µA, which helps to minimize the overall power consumption of the system.
• Manual Reset Feature: It includes a manual reset input that allows for a system reset to be triggered with an external push-button or logic signal, providing additional control to system operators.
• Debounced Input: The manual reset input is debounced, ensuring that only clean, glitch-free signals initiate a system reset.
• Watchdog Timer: A built-in watchdog timer improves system reliability by monitoring system operation and initiating a system reset if a fault condition is detected.

Applications

The MAX933CDA is suitable for a wide range of applications, including:

• Computers and Servers
• Embedded Systems
• Portable/Battery-Powered Equipment
• Industrial Controllers
• Telecommunication Systems

Quality and Reliability

Maxim Integrated ensures that the MAX933CDA meets the highest quality and reliability standards. It is designed to operate over the industrial temperature range, making it suitable for harsh environments. The device is available in an 8-pin SO package, which is both compact and easy to integrate into various system designs.

With its comprehensive features and robust design, the MAX933CDA is an ideal choice for system designers looking to enhance the reliability and performance of their power monitoring systems.