NCP81143MNTXG

Overview

The NCP81143MNTXG is a single-phase VR12.6 compliant switching controller manufactured by onsemi. Designed for high-performance processor power delivery, this component integrates essential control logic to regulate voltage rails efficiently. It supports synchronous buck topologies and features an operating supply voltage range of 4.5 V to 20 V. The device operates within a temperature range of -40 °C to +100 °C and utilizes a compact QFN-48 package for surface mount installation.

Feature Summary

• Complies with Intel VR12.6 specifications for advanced processor power management
• Integrates single-phase synchronous buck control architecture
• Supports wide input voltage operation up to 20 V

Applications

• Single-core or low-power multi-core processor voltage regulation
• Server and workstation mainboard CPU power stages
• High-density point-of-load conversion systems

Procurement Notes

Verify current availability status as the product lifecycle may indicate end-of-life or obsolescence phases. Confirm RoHS compliance details and specific packaging options such as reel or cut tape directly with authorized distributors. Ensure ordering suffixes match required environmental ratings and moisture sensitivity levels before finalizing procurement.

Selection Notes

Select this controller for applications requiring strict adherence to VR12.6 standards in single-phase designs. Evaluate thermal performance requirements against the QFN-48 package capabilities. Consider external MOSFET selection based on the controller's drive strength and switching frequency settings to optimize efficiency and transient response characteristics.

Part Context

This component belongs to the NCP8114x series of power management integrated circuits from onsemi. It serves as a specialized solution for voltage regulator modules (VRMs) targeting modern computing platforms. The series focuses on delivering precise voltage control with integrated protection features suitable for demanding digital load environments.

Replacement Considerations

Check for direct pin-compatible upgrades within the NCP8114x family. Verify functional equivalence regarding VR12.6 compliance and control loop stability when substituting with newer generation controllers.