MAX6367HKA31+T

Overview

The MAX6367HKA31+T is a low-power voltage supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 2.5 V to 5.5 V and features a fixed threshold voltage of 3.08 V for monitoring a single input. The device provides an active-high reset output with open-drain capability and includes a battery backup switch function. It incorporates a chip enable signal for power management and exhibits a typical operating current of 15 uA. The component supports a reset delay time of 280 ms and functions reliably across an extended temperature range from -40°C to +85°C.

Feature Summary

• Integrates a battery backup switch to maintain system state during power transitions
• Includes a chip enable pin for precise power consumption control
• Provides open-drain active-high reset output for flexible logic interfacing

Applications

• Portable consumer electronics requiring low standby current
• Battery-powered embedded systems needing reliable power supervision
• Microprocessor reset circuits in industrial control environments

Procurement Notes

Verify the specific suffix 'HKA31' to confirm the exact 3.08 V threshold voltage, as variations exist within the MAX6367 family. Confirm RoHS compliance status through official documentation. Check current lifecycle status, as this component may be discontinued or subject to limited availability. Ensure the SOT-23-8 package footprint matches the design requirements before finalizing procurement.

Selection Notes

Select this component when a fixed 3.08 V threshold is required for single-supply monitoring. The integrated battery backup feature distinguishes it from standard supervisors lacking this function. Consider the 15 uA quiescent current for strict power budget constraints. Verify that the open-drain output type aligns with the target system's pull-up configuration and logic levels.

Part Context

This part belongs to the MAX6367H series of micropower supervisors designed for portable applications. It shares architectural similarities with other Maxim Integrated voltage monitors but is distinguished by its specific threshold and battery backup integration. The series targets designs requiring minimal board space and ultra-low power consumption in compact surface-mount packages.

Replacement Considerations

Cross-reference with MAX6367HKA31+ for identical specifications. Verify functional compatibility with MAX6368HKA31+T if watchdog features are not utilized. Ensure pinout and package dimensions match for direct replacement without PCB redesign.