MAX6721UTTGD3+

Supervisors Overview

The MAX6721UTTGD3+ is a dual-channel ultra-low-power voltage supervisor manufactured by Analog Devices Inc. (Maxim Integrated). It operates within a supply voltage range of 1.8 V to 5 V and features an active low, open-drain reset output with a typical reset delay time of 280 ms. The device includes a manual reset input and a watchdog timer function. It is housed in a compact SOT-23-6 surface-mount package and supports operation across an extended temperature range from -40°C to +125°C.

Supervisors Feature Summary

• Dual-channel voltage monitoring capability for independent power rails
• Integrated manual reset input for system control flexibility
• Watchdog timer functionality to ensure processor reliability
• Ultra-low quiescent current consumption for battery efficiency

Supervisors Applications

• Portable electronic devices requiring extended battery life
• Embedded systems needing multi-rail power supervision
• Industrial controllers operating in harsh thermal environments
• Automotive electronics demanding high reliability

Supervisors Procurement Notes

Verify the exact suffix configuration against official datasheets to confirm threshold voltages and package variants. Confirm RoHS compliance status through manufacturer documentation. Check current lifecycle status as distribution availability may be limited or discontinued. Ensure compatibility with existing PCB footprints and thermal management requirements before integration.

Supervisors Selection Notes

Select this component when dual independent voltage monitoring is required alongside manual reset control. Consider the specific threshold voltage options available within the series to match target rail levels. Evaluate the extended temperature range suitability for the intended operational environment. Compare quiescent current specifications against other family members to optimize power budget constraints effectively.

Supervisors Part Context

This part belongs to the MAX6721A series of uP supervisors designed for low-power applications. It shares architectural similarities with other Maxim Integrated voltage monitors but offers specific dual-channel configurations. The series emphasizes minimal footprint and low standby current, making it suitable for space-constrained portable designs.

Supervisors Replacement Considerations

Consult official cross-reference guides for verified substitutes. Verify pinout compatibility and electrical parameter alignment before substitution. Ensure replacement parts meet the same thermal and regulatory standards.