RAA229126AGNP#HA0

Overview

The RAA229126AGNP#HA0 is a digital power controller from Renesas, designed for Intel VR14 compliant CPU core voltage regulation. It integrates a 12-phase PWM controller with an I²C interface for configuration and monitoring. The device is housed in a 48-lead, 6x6 mm QFN package. It supports high-current delivery for modern processors through synchronized multiphase buck conversion.

Feature Summary

• Implements Intel VR14 specification for advanced CPU power management
• Integrates 12-phase digital pulse width modulation control
• Provides programmable voltage tracking and sequencing capabilities

Applications

• Intel Core processor voltage regulation modules
• High-performance server motherboard designs
• Workstation mainboard power systems

Procurement Notes

Verify the exact suffix HA0 against the manufacturer's current datasheet to ensure compatibility with specific board revisions. Confirm that the 48-lead QFN footprint matches the design layout precisely. Check moisture sensitivity levels and reflow profile requirements before assembly.

Selection Notes

Select this component when designing for Intel VR14 architecture requiring twelve independent output phases. Ensure the system supports the necessary I²C communication speed and address configuration. Verify thermal dissipation capabilities of the 6x6 QFN package for the target application load.

Part Context

This part belongs to the RAA229126 series of digital power controllers. It is specifically engineered for next-generation Intel processors. The series provides a scalable solution for multi-core applications requiring precise voltage control and fast transient response.

Replacement Considerations

Check for direct cross-reference numbers within the RAA2291xx family. Ensure any substitute maintains the 48-lead QFN pinout and VR14 compliance. Verify software compatibility if using existing firmware configurations.