Maxim Integrated MAX6829ZWUT Microprocessor Reset Circuit

The MAX6829ZWUT is a compact, highly reliable microprocessor (µP) supervisory circuit designed by Maxim Integrated to monitor power supplies in digital systems. It provides excellent circuit reliability and low cost by eliminating external components and adjustments when used in systems with a 3V power supply voltage.

This supervisory circuit ensures that the microprocessor is reset to a known state during power-up, power-down, or brown-out conditions. The MAX6829ZWUT features a factory-trimmed reset threshold voltage, making it suitable for use with a variety of microprocessors and digital systems that require precise voltage monitoring.

Key Features:

• Precision Monitoring: The device offers a precision factory-set reset threshold suitable for 3V-powered systems, ensuring accurate monitoring of the power supply.
• Low Power Consumption: With its low supply current of only 1.2µA, the MAX6829ZWUT is an energy-efficient solution for portable and battery-powered applications.
• Manual Reset Input: An additional feature includes a manual reset input that allows for a manual system reset with an external pushbutton or logic signal.
• Reset Timeout: The reset output remains asserted for a fixed timeout period after V<sub>CC has risen above the reset threshold, providing a guaranteed reset pulse width.
• Temperature Range: It operates over an extended temperature range, making it suitable for various industrial and commercial applications.
• Compact Package: The device is available in a 5-pin SOT23 package, ideal for space-constrained applications.

The MAX6829ZWUT is designed for a variety of applications including portable devices, computers, controllers, and intelligent instruments. Its robust design and precision voltage monitoring make it a critical component for ensuring system stability and functionality under varying power conditions.

For designers and engineers looking for a reliable solution to safeguard their digital systems against power supply uncertainties, the Maxim Integrated MAX6829ZWUT microprocessor reset circuit is an excellent choice, providing the necessary features to maintain system integrity without the need for complex designs or additional components.