MAX16021LTEL+

Supervisors Overview

The MAX16021LTEL+ is a low-power voltage supervisory circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates within a supply voltage range of 1.53 V to 5.5 V and features a threshold voltage of 3.1 V. The device provides active high, active low, and push-pull outputs with a reset delay time of 215 ms. It includes manual reset capability, a watchdog timer, and a battery backup switch. The component supports power-fail detection and functions over an operating temperature range from -40°C to +85°C.

Supervisors Feature Summary

• Integrates manual reset functionality alongside automatic supervision for system control flexibility
• Includes a built-in watchdog timer to monitor processor activity and prevent software lockups
• Features a battery backup switch to manage power transitions between main and auxiliary sources

Supervisors Applications

• Embedded systems requiring reliable power monitoring and reset generation
• Portable devices utilizing battery backup mechanisms for data retention
• Industrial controllers needing watchdog protection against software faults

Supervisors Procurement Notes

Verify the specific suffix LTEL against official datasheets to confirm package type and thermal characteristics. Confirm RoHS compliance status through manufacturer documentation as availability varies. Check for obsolescence notices or lifecycle changes directly from Analog Devices before finalizing procurement plans.

Supervisors Selection Notes

Select this component when low quiescent current and integrated battery management are required. Ensure the 3.1 V threshold aligns with the monitored rail voltage. Verify that the TQFN-EP-16 package fits the PCB layout constraints and thermal requirements of the target application environment.

Supervisors Part Context

This part belongs to the MAX16021L series of supervisory circuits designed for microprocessor power management. It combines voltage monitoring with battery switching and watchdog functions in a single compact package. The series targets applications where space is limited and multiple power management functions are needed without increasing component count.

Supervisors FAQ

Does the MAX16021LTEL+ include a watchdog timer?

Yes, the device integrates a watchdog timer to detect software malfunctions and trigger a system reset.

What output types are available on this supervisory circuit?

The MAX16021LTEL+ provides active high, active low, and push-pull output options for flexible interface compatibility.