The MAX6822ZUK+T from Maxim Integrated is a compact, highly reliable microprocessor (µP) supervisory circuit designed to monitor power supplies in µP and digital systems. It provides a crucial function by asserting a reset signal to the µP during power-up, power-down, and brown-out conditions, ensuring that the µP starts in a known state.

Key Features

• Precision Monitoring: The device features precision factory-trimmed V<sub>CC reset thresholds for accurate monitoring of power supply voltages.
• Low Power Consumption: With a low supply current of only 6µA, it is ideal for power-sensitive applications.
• Manual Reset Input: A manual reset input is provided, allowing the user to trigger a reset pulse with an external push-button or logic signal.
• Reset Timeout: It offers an adjustable reset timeout period, which can be set by an external capacitor.
• Compact Package: The device comes in a small SOT-23 package, making it suitable for space-constrained applications.
• Wide Operating Temperature: It operates over a broad temperature range of -40°C to +125°C, accommodating diverse environmental conditions.

Applications

The MAX6822ZUK+T is versatile and can be used in a variety of applications where reliable system operation is critical. Common applications include:

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

Product Summary

The Maxim Integrated MAX6822ZUK+T is a valuable component for ensuring system stability and reliability. By providing an active-low reset signal and featuring a wide range of operating voltages and temperatures, it is a suitable choice for designers looking to enhance system integrity across various applications. Its small form factor and low power consumption make it an excellent choice for modern, compact electronic designs.