MAX4943ELA+

Power Management - Specialized Overview

The MAX4943ELA+ is an overvoltage protection controller IC manufactured by Analog Devices Inc./Maxim Integrated. It operates on a single supply voltage ranging from 2.2V to 28V and functions within a temperature range of -40°C to +85°C. The device features a low supply current of 50µA and utilizes an ELA package for surface-mount installation.

Power Management - Specialized Feature Summary

• Integrated overvoltage protection control logic
• Wide operating supply voltage range
• Low quiescent current consumption

Power Management - Specialized Applications

• Cell phone power management
• Networking applications
• Overvoltage protection systems

Power Management - Specialized Procurement Notes

Verify component authenticity through authorized distributors or manufacturer channels. Confirm package integrity and pin alignment upon receipt. Check datasheet revisions for any functional updates. Ensure storage conditions meet specified humidity and temperature limits to prevent degradation before assembly.

Power Management - Specialized Selection Notes

Evaluate the 2.2V to 28V input range against system requirements. Consider the 50µA supply current for battery-operated designs. Verify thermal performance within the -40°C to +85°C operational window. Assess compatibility with existing protection circuit topologies.

Power Management - Specialized Part Context

This component belongs to the Maxim Integrated power management family, specifically designed for robust overvoltage protection in portable and industrial electronics. It complements other controllers by providing reliable monitoring and shutdown capabilities.

Power Management - Specialized Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.