MAX4945ELA+

Power Management - Specialized Overview

The MAX4945ELA+ is an overvoltage protection controller manufactured by Analog Devices Inc. / Maxim Integrated. It features a programmable overvoltage protection threshold and an undervoltage lockout function to safeguard sensitive electronics from high-voltage transients. The device operates within a supply voltage range of 2.2V to 28V and consumes a low supply current of 50µA. It is housed in an 8-µDFN (2x2) package, suitable for surface-mount applications requiring compact power management solutions.

Power Management - Specialized Feature Summary

• Programmable overvoltage protection threshold for customized system safety
• Undervoltage lockout function ensures stable operation under low input conditions
• Low power consumption with 50µA supply current for energy-efficient designs

Power Management - Specialized Applications

• Power management systems
• Industrial control systems
• Automotive electronics
• Aerospace and defense applications
• Medical devices

Power Management - Specialized Procurement Notes

Verify the specific manufacturer part number MAX4945ELA+ against official Analog Devices documentation to confirm availability and authenticity. Check for any obsolescence notices or lifecycle status updates directly from the manufacturer. Ensure that the 8-µDFN package dimensions match your PCB footprint requirements before procurement.

Power Management - Specialized Selection Notes

Select this component when designing circuits requiring precise overvoltage protection with adjustable thresholds. Consider its low quiescent current for battery-powered or energy-sensitive applications. Verify that the 2.2V to 28V operating range aligns with your system's supply voltage specifications and transient protection needs.

Power Management - Specialized Part Context

The MAX4945ELA+ belongs to the MAX4945 series of overvoltage protection controllers. It is designed to protect downstream components from voltage spikes and surges. The device integrates essential protection features into a small footprint, making it suitable for modern electronic designs where space and power efficiency are critical constraints.

Power Management - Specialized Replacement Considerations

The MAX4946ELA+T is a related overvoltage protection controller. Verify functional compatibility and pinout alignment before substitution. Consult official datasheets for both parts to ensure electrical parameters meet system requirements.