MAX16021LTEM+

Supervisors Overview

The MAX16021LTEM+ 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 with an overvoltage threshold of 3.19 V. The device includes a manual reset input, a watchdog timer, and a battery backup switch. It provides active high, active low, and push-pull output types with a reset delay time of 215 ms. Designed for surface mount installation in a TQFN-EP-16 package, it supports power-fail detection and maintains a quiescent current of 1.2 uA across an operating temperature range of -40°C to +85°C.

Supervisors Feature Summary

• Integrates a watchdog timer and battery backup switch for comprehensive system monitoring
• Supports multiple output configurations including active high, active low, and push-pull
• Features manual reset capability and power-fail detection functionality

Supervisors Applications

• Portable electronic devices requiring low-power supervision
• Battery-operated systems utilizing backup switching
• Embedded controllers needing watchdog protection

Supervisors Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific lot traceability upon receipt. Ensure storage conditions align with humidity sensitivity requirements to maintain reliability. Cross-reference ordering information with official datasheets to validate package type and suffix designations before finalizing procurement orders.

Supervisors Selection Notes

Select this component when designing circuits that require precise voltage monitoring with minimal quiescent current consumption. Consider the available output drive options and the necessity for integrated watchdog and backup functions. Evaluate thermal performance within the specified operating temperature range and ensure the TQFN-EP-16 package fits the board layout constraints effectively.

Supervisors Part Context

This part belongs to the MAX16021L series of supervisory circuits from Analog Devices/Maxim Integrated. It is categorized under PMIC - Power Management ICs as a Voltage Supervisory device. The series is designed for applications demanding reliable power management with low standby current characteristics.

Supervisors Replacement Considerations

Consult official substitution guides for compatible parts within the same family. Verify pinout compatibility and electrical parameter alignment before replacing.