Maxim Integrated's MAX6864UK26D3L+T Microprocessor Reset Circuit

The MAX6864UK26D3L+T is a high-quality 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 2.63V voltage threshold.

This compact device comes in a space-saving 5-pin SOT23 package, making it ideal for portable and space-constrained applications. The MAX6864UK26D3L+T is specifically engineered to provide a precise voltage monitoring solution for microprocessors, ensuring that all the system's logic levels are reset during power-up, power-down, and brown-out conditions.

Key Features:

• Voltage Threshold: The device has a preset threshold voltage of 2.63V, tailored for systems that operate around this voltage level.
• Manual Reset Input: It includes a manual reset input feature that allows for a system reset to be triggered with an external button or signal for added control and flexibility.
• Low Power Consumption: With its low supply current of 1.2µA, the MAX6864UK26D3L+T is an excellent choice for battery-powered applications where power efficiency is critical.
• Watchdog Timer: A built-in watchdog timer ensures that the system microcontroller is operating correctly, and if necessary, resets the system to prevent any malfunction.
• Debounce Timer: The device features an integrated debounce timer that filters out any noise or glitches on the manual reset input, ensuring stable operation.
• Immunity to Short VDD Transients: The circuit is designed to be immune to short-duration voltage dips on the VDD line, maintaining stable operation during transient conditions.

Applications:

• Portable Devices
• Embedded Systems
• Networking Equipment
• Data Storage
• Medical Instruments

The MAX6864UK26D3L+T is a testament to Maxim Integrated's commitment to providing robust and reliable power management solutions. It ensures that digital systems operate smoothly by providing a crucial layer of protection against power supply inconsistencies. For designers and engineers looking for a dependable reset circuit to integrate into their systems, the MAX6864UK26D3L+T is an outstanding choice.