NCP5215MNR2G

Overview

The NCP5215MNR2G is a synchronous buck switching controller designed for high-performance CPU and chipset voltage regulation. It supports up to four phases with integrated drivers, operating at frequencies from 200 kHz to 1 MHz. The device features a wide input voltage range of 4.5 V to 23 V and provides an adjustable output voltage from 0.8 V to 1.8 V. It includes comprehensive protection mechanisms such as over-current, over-voltage, and thermal shutdown within a compact 40-pin QFN package.

Feature Summary

• Integrated high-side and low-side gate drivers for simplified design
• Supports single-phase operation or multi-phase parallel configurations
• Includes programmable soft-start and frequency synchronization capabilities

Applications

• CPU core voltage regulation
• Chipset power supply
• General-purpose point-of-load conversion

Procurement Notes

Verify the specific suffix (MNR2G) against the manufacturer's current datasheet to confirm pinout and electrical characteristics. Ensure compliance with RoHS standards and check for any recent product change notifications that may affect availability or specifications before finalizing procurement plans.

Selection Notes

Select this component when designing systems requiring flexible phase counts and wide input voltage ranges. Consider the thermal performance of the QFN-40 package and ensure adequate PCB layout for high-frequency switching currents. Verify compatibility with the target processor's VID interface requirements.

Part Context

This part belongs to the NCP52xx series of synchronous buck controllers from onsemi. It is engineered for demanding applications where efficiency and transient response are critical. The series typically offers robust protection features and ease of implementation for multi-phase designs in computing and industrial environments.

Replacement Considerations

Check for direct cross-references within the NCP52xx family. Verify if alternative controllers offer similar phase counts and input voltage ranges while meeting the specific thermal and footprint constraints of the existing design.

FAQ

What is the maximum switching frequency?

The device supports switching frequencies up to 1 MHz.

Does it include internal gate drivers?

Yes, the NCP5215 integrates both high-side and low-side gate drivers.