MAX16021LTEZ+

Supervisors Overview

The MAX16021LTEZ+ is a supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 1.53V to 5.5V and features a threshold voltage of 3.1V. The device provides manual reset functionality, includes a watchdog timer, and supports battery backup switching. It offers active high, active low, and push-pull output types with a reset delay time of 215ms. Designed for surface mount installation in TQFN-EP-16 packages, it functions reliably across an operating temperature range of -40°C to +85°C.

Supervisors Feature Summary

• Integrates manual reset capability alongside a built-in watchdog timer for comprehensive system protection.
• Supports battery backup switching to maintain critical data during primary power loss events.
• Provides flexible output configurations including active high, active low, and push-pull modes.

Supervisors Applications

• Low-power portable electronic devices requiring reliable voltage supervision
• Embedded systems utilizing battery backup mechanisms for data retention
• Industrial control units needing watchdog timer integration

Supervisors Procurement Notes

Verify the exact suffix against official manufacturer documentation to confirm package type and temperature rating. Confirm availability status as distribution channels may list limited stock or end-of-life conditions. Cross-reference the specific part number variant with the datasheet to ensure compatibility with existing design constraints before procurement.

Supervisors Selection Notes

Select this component when designing circuits that require integrated watchdog and manual reset functions within a compact surface-mount footprint. Evaluate the 1.53V minimum operating voltage to ensure compatibility with low-voltage logic families. Consider the available output drive options to match interface requirements without additional buffering components.

Supervisors Part Context

This device belongs to the MAX16021L series of supervisory circuits designed for monitoring power supply integrity. It complements other Maxim Integrated PMIC solutions by offering specialized reset generation and battery management features. The series targets applications demanding high reliability in space-constrained environments.

Supervisors Replacement Considerations

Consult the official datasheet for direct pin-compatible alternatives within the same product family. Verify functional equivalence regarding threshold voltages and reset timing characteristics when evaluating substitute components from other manufacturers.

Supervisors FAQ

Does the MAX16021LTEZ+ include a watchdog timer?

Yes, the device integrates a watchdog timer function alongside its voltage supervision capabilities.

What reset output types are supported?

The component supports active high, active low, and push-pull output configurations.