MAX16039PLA26+T

Supervisors Overview

The MAX16039PLA26+T is a low-power voltage supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated. It operates within an input voltage range of 1.7 V to 5.5 V and features a fixed threshold voltage of 2.63 V for under-voltage monitoring. The device provides an active-low, open-drain reset output with a typical reset delay time of 280 ms. It consumes only 22 µA of quiescent current and includes a battery backup switch function. The component is housed in an 8-lead UDFN package and is rated for operation between -40°C and +85°C.

Supervisors Feature Summary

• Provides reliable system supervision through a dedicated under-voltage detection mechanism with a fixed 2.63 V threshold.
• Integrates a battery backup switch to manage power transitions between main and auxiliary power sources.
• Delivers an active-low, open-drain reset signal with a defined 280 ms delay to ensure stable system initialization.

Supervisors Applications

• Portable electronic devices requiring low-power voltage monitoring
• Battery-operated systems utilizing backup power switching
• Embedded controllers needing supervised power-up sequences

Supervisors Procurement Notes

Verify the specific suffix PLA26 to confirm the 2.63 V threshold voltage, as the MAX16039 series offers multiple threshold options. Confirm the UDFN-8 package availability matches your PCB footprint requirements. Check current supply status as distribution may vary. Ensure RoHS compliance documentation is obtained for regulatory adherence. Validate that the 22 µA quiescent current meets your system's power budget constraints during active monitoring.

Supervisors Selection Notes

Select this component when a fixed 2.63 V under-voltage threshold is required for system supervision. The low 22 µA quiescent current makes it suitable for battery-powered applications where energy efficiency is critical. The integrated battery backup switch simplifies power management design by handling source selection automatically. The UDFN-8 package offers a compact solution for space-constrained designs. Ensure the operating temperature range of -40°C to +85°C aligns with your environmental conditions.

Supervisors Part Context

The MAX16039PLA26+T belongs to the MAX16039 family of low-power voltage supervisors from Maxim Integrated. This series is designed for portable electronics and embedded systems requiring reliable power monitoring with minimal current consumption. The PL suffix indicates a specific threshold voltage variant within the broader MAX16039 lineup, which includes various thresholds to accommodate different logic levels and battery chemistries.

Supervisors FAQ

What is the reset delay time for the MAX16039PLA26+T?

The typical reset delay time is 280 ms, ensuring sufficient time for the monitored voltage to stabilize before asserting the reset signal.

Does the MAX16039PLA26+T include a manual reset input?

No, the MAX16039PLA26+T does not feature a manual reset input; the reset signal is generated automatically based on the monitored voltage level.

What is the quiescent current consumption of this supervisor?

The device consumes a typical quiescent current of 22 µA, making it suitable for low-power applications.