NCP81111MNI8TXG

Overview

The NCP81111MNI8TXG is a specialized switching controller manufactured by onsemi, designed for high-performance power management applications. It functions as a three-phase voltage regulator (VR) controller compliant with Intel VR12.5 specifications. The device operates within an ambient temperature range of -10°C to 100°C and utilizes a 32-VFQFN package with exposed pad dimensions of 5x5 mm. It accepts a nominal 5V input supply and provides one output channel. This component belongs to the NCP81111 series under PMIC classifications.

Feature Summary

• Complies with Intel VR12.5 voltage regulator standards for precise power delivery
• Configured as a three-phase controller for multi-phase load regulation
• Integrated into a compact 32-pin QFN surface-mount package

Applications

• Intel VR12.5 compatible CPU core voltage regulation
• Multi-phase DC-DC converter control systems
• High-density server and workstation power supplies

Procurement Notes

Verify current availability status carefully, as this specific part number has been reported as discontinued or limited in supply across major distributors. Confirm end-of-life notifications and last-time-buy dates with authorized suppliers before finalizing design-in decisions. Ensure compliance with RoHS3 and REACH regulations during procurement sourcing.

Selection Notes

Select this component when designing systems requiring strict adherence to Intel VR12.5 protocols. Consider the 32-QFN footprint for PCB layout constraints. Evaluate thermal performance within the specified -10°C to 100°C operating range. Verify that the three-phase architecture aligns with the target processor's current requirements and transient response needs.

Part Context

This part belongs to the NCP81111 series of specialized PMICs from onsemi. It is categorized under switching controllers and special-purpose voltage regulators. The series supports various Intel VR standards, providing robust control solutions for modern computing platforms requiring efficient and stable power delivery architectures.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the discontinued status, engineering teams should consult official obsolescence notices for potential family replacements or contact onsemi directly for qualified alternatives.