NCP5386AMNR2G

Overview

The NCP5386AMNR2G is a highly integrated power management IC (PMIC) designed for advanced voltage regulation in demanding applications. It functions as a one- or two-phase buck controller, combining differential voltage and current sensing with adaptive voltage positioning to power CPUs and chipsets. The device operates within an input voltage range of 4.75V to 18V and supports output currents up to 45A per phase. It features a 32-VFQFN exposed pad package and operates at temperatures from 0°C to 85°C.

Feature Summary

• Integrates differential voltage and current sensing capabilities
• Utilizes adaptive voltage positioning for precise load regulation
• Supports single or dual-phase buck control configurations

Applications

• CPU core voltage regulation
• Chipset power supply systems
• High-performance computing platforms

Procurement Notes

Verify component authenticity through authorized onsemi distributors. Confirm the specific suffix 'AMNR2G' matches project requirements for package type and tape/reel specifications. Check for obsolete status indicators as some sources list this part as discontinued. Ensure compatibility with existing PCB footprints for the 32-VFQFN EP package before finalizing procurement orders.

Selection Notes

Select this component for designs requiring high-current CPU power delivery with integrated sensing. Evaluate thermal performance given the 45A per phase capability in the QFN32 package. Consider the operating temperature range of 0°C to 85°C against environmental constraints. Verify that the fixed frequency operation aligns with system noise immunity requirements.

Part Context

This PMIC belongs to onsemi's specialized power management portfolio for digital power applications. It is engineered specifically for processor and chipset voltage regulation tasks. The device represents a solution for compact, high-efficiency power stages in modern electronic systems requiring precise dynamic response.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult onsemi technical support for direct replacements or evaluate compatible devices from the same family if availability is critical.