Maxim Integrated MAX6821ZUK-T Microprocessor Supervisory Circuits

The MAX6821ZUK-T from Maxim Integrated is a compact, high-precision microprocessor (μP) supervisory circuit designed to monitor power supplies and microprocessor activity in digital systems. It provides excellent circuit reliability and low cost by eliminating external components and adjustments when used in systems with a single 3V to 3.6V power supply voltage.

Key Features

• Voltage Monitoring: This supervisory IC is capable of monitoring a preset threshold voltage, ensuring that the system voltage remains within acceptable levels for reliable operation.
• Manual Reset Input: The device includes a manual reset input that allows for a system reset to be triggered with an external button or logic signal.
• Watchdog Timer: An integrated watchdog timer serves as a system check, ensuring that the system is operating correctly by monitoring the microprocessor or microcontroller.
• Power-On Reset: The MAX6821ZUK-T generates a reset signal upon power-up, maintaining it until the supply voltage stabilizes to a safe operating level, ensuring a clean start for the processor.
• Low Power Consumption: Designed for power-sensitive applications, this IC consumes minimal power, making it ideal for battery-operated devices.
• Compact Package: Available in a small SOT-23 package, the MAX6821ZUK-T saves valuable board space, which is crucial for space-constrained applications.

Applications

The MAX6821ZUK-T is versatile and can be used in a variety of applications where precise voltage monitoring is critical. It is particularly useful in portable devices, computers, controllers, and intelligent instruments where size and power efficiency are important considerations.

Reliability and Quality

Maxim Integrated is known for its commitment to quality and reliability. The MAX6821ZUK-T is no exception, providing robust protection for your digital systems by ensuring that all operational parameters remain within specified limits. With its precision monitoring and reset capabilities, this supervisory circuit is an essential component for maintaining system integrity and preventing data corruption due to power anomalies.

For detailed specifications and application notes, designers are encouraged to consult the datasheet and technical resources provided by Maxim Integrated to ensure proper integration of the MAX6821ZUK-T into their projects.