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ASRock Z270 SuperCarrier Motherboard Review

By Steven Bassiri from Apr 10, 2017 @ 7:50 CDT
TweakTown Rating: 94%Manufacturer: ASRock

Circuit Analysis




The Z270 SuperCarrier has some serious hardware under those heat sinks.





The VRM on this motherboard is a 8+4+1+1 phase VRM. Starting at the top left, we have VCCIO, VCCSA, eight CPU VCore phases, and then four iGPU phases. The main PWM is the tried and true digital PWM from International Rectifier IR35201 fully digital PWM. It outputs 8+0/6+2/7+1 phases depending on the vendors' needs. In this case, ASRock is using it as 6+2 phases and uses only 4+2 of those phases. Those extra phases are then doubled by phase doublers/dual-drivers. Each power stage uses a Texas Instruments CSD87350Q5D NexFETs rated at 25A at 90% and up to 40A each. Each of the inductors is rated 60A, and the capacitors are 12K FP solid polymer Japanese capacitors.




There are six IR3598 doublers/dual-driver chips that supply the 8+4 phases for the CPU and iGPU phases. The memory VRM is two phases controlled by the uP1674P PWM with integrated drivers and outputs to two Texas Instruments CSD87350Q5D NexFETs.

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