NCP81111MNVQTXG

Overview

The NCP81111MNVQTXG is a high-performance digital single-output three-phase VR12.5-6 compatible buck controller manufactured by onsemi. It supports operating frequencies up to 5 MHz and features an input voltage range of 4.75V to 5.25V. The device is housed in a 32-VFQFN package with exposed pad, measuring 5x5 mm. It operates within a temperature range of -10°C to 100°C (TA). This component is designed for efficient power management in computing applications requiring precise voltage regulation.

Feature Summary

• Digital control architecture optimized for high-frequency operation up to 5 MHz
• Compatible with Intel VR12.5 and VR12.6 specifications for modern processor power delivery
• Single-output three-phase buck topology for efficient step-down conversion

Applications

• Intel VR12.5/VR12.6 compliant CPU power supplies
• High-performance computing server platforms
• Workstation graphics processing unit (GPU) power stages

Procurement Notes

Verify the specific suffix 'MNVQ' against official onsemi documentation to confirm pinout and marking details. Confirm current availability status as this variant may be obsolete or subject to production changes. Ensure compatibility with existing PCB footprint and thermal design requirements before integration.

Selection Notes

Select this controller for designs requiring strict adherence to Intel VR12.5/VR12.6 standards. Consider the 5 MHz switching capability for reduced passive component size. Evaluate the 32-QFN package for thermal performance and assembly constraints relative to alternative single-phase or multi-phase solutions.

Part Context

The NCP81111 series represents onsemi's digital power management solutions for next-generation processors. This specific model integrates advanced digital control algorithms to enhance transient response and efficiency. It belongs to a family of controllers designed to meet the stringent power delivery requirements of modern high-core-count CPUs.

Replacement Considerations

Check for direct substitutes within the NCP81111 family or newer generations from onsemi. Verify pin-to-pin compatibility and software configuration equivalence if replacing with variants like NCP81111MNI7TXG.