VRM Overview

Specifications

According to the website, the MSI MAG B660M Mortar WiFi DDR4 features a duet 12-phase VRM configuration. This means the power stages are teamed or in parallel, just using "duet" as the naming instead.


MSI is using a Renesas RAA229132 PWM controller to drive the MSI MAG B660M Mortar WiFi DDR4.


The MSI MAG B660M Mortar WiFi DDR4 uses Renesas ISL99360 power stages for the twelve Vcore phases. These power stages each support a maximum of 60 A of continuous current. For the VCCGT (iGPU) phase, MSI is using a single Renesas 220075R0 power stage.

The MSI MAG B660M Mortar WiFi DDR4 has a maximum output of 780 A, with 720 A dedicated to Vcore.


The CPU VCCAUX is driven by a Monolithic Power Systems M2940A PWM using a single MP87992 70 A power stage.