MAX6366HKA29

Overview

The MAX6366HKA29 is a low-power microprocessor supervisory circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates within a supply voltage range of 1.2V to 5.5V and features a fixed threshold voltage of 2.9V for monitoring power rails. The device provides an active-low, open-drain reset output with a typical reset delay time of 280ms. Key functional blocks include a watchdog timer, battery backup switch, and chip-enable gating. It is housed in an SOT-23-8 package and supports manual reset input functionality.

Feature Summary

• Integrates a watchdog timer for system fault recovery
• Includes battery backup switch for data retention during power loss
• Features chip-enable gating for power management control

Applications

• Microprocessor power supply monitoring
• Battery-powered embedded systems
• Industrial control units requiring watchdog protection

Procurement Notes

Verify the specific suffix and tape/reel configuration against the official datasheet before ordering. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer, as availability may vary by region and production lot.

Selection Notes

Select this component when a fixed 2.9V threshold is required for single-supply monitoring. Ensure the application utilizes the open-drain output compatibility and requires the integrated watchdog and battery backup features. Verify that the SOT-23-8 package fits the PCB layout constraints.

Part Context

This part belongs to the MAX6366P series of low-power supervisory circuits. It shares the family's core architecture but differs in threshold voltage and package options from other variants like the MAX6366HKA46. The series is designed for portable and battery-operated electronics requiring reliable power management.

Replacement Considerations

Check for MAX6366HKA29+T or MAX6366PKA29+T equivalents. Verify pinout compatibility and threshold voltage tolerance before substitution.