MAX6366HKA29+T

Overview

The MAX6366HKA29+T 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 2.93V for monitoring input lines. The device provides an active-low, open-drain reset output with a typical reset delay time of 280ms. It includes battery backup switching and chip-enable gating capabilities to manage power transitions effectively. The component is housed in an SOT-23-8 package and supports operation across a temperature range of -40°C to +85°C.

Feature Summary

• Integrates battery backup switching functionality to seamlessly transition between main and backup power sources.
• Includes chip-enable gating to control system activity during low-power states or invalid voltage conditions.
• Provides a dedicated reset output that activates upon detection of undervoltage events relative to the set threshold.

Applications

• Monitoring power rails in portable electronic devices requiring low quiescent current.
• Managing power sequences in systems utilizing both primary and backup battery supplies.
• Ensuring system stability in embedded controllers through automated reset generation during brown-out conditions.

Procurement Notes

Verify the exact suffix and manufacturer documentation when sourcing this component, as availability may vary due to lifecycle status. Confirm RoHS compliance and specific tape-and-reel packaging requirements with authorized distributors. Cross-reference the datasheet revision to ensure compatibility with existing design specifications before finalizing procurement orders.

Selection Notes

Select this part when a fixed 2.93V threshold is required for precise voltage monitoring in space-constrained designs. The SOT-23-8 package offers a compact footprint suitable for dense PCB layouts. Consider the integrated battery backup and chip-enable features if the application demands seamless power management without additional external logic components.

Part Context

This component belongs to the MAX6366P series of supervisory circuits designed for low-power applications. It shares functional similarities with other parts in the family but differs in threshold voltage and package options. The series is characterized by its ability to handle battery backup scenarios and provide reliable reset signals for microprocessors and memory devices.

Replacement Considerations

Check for direct pin-compatible alternatives within the MAX6366 series with different threshold voltages if the 2.93V setting does not match the target rail. Verify that any substitute maintains the same SOT-23-8 package and electrical characteristics such as reset delay and quiescent current.