ASRock X470 Taichi Ultimate (AMD X470) Motherboard Review (Page 3)

| May 31, 2018 at 10:00 am CDT
Rating: 94%Manufacturer: ASRock

Circuit Analysis

VIEW GALLERY - 77 IMAGES

The X470 Taichi Ultimate shows us the goods with the heat sinks removed!

ASRock X470 Taichi Ultimate (AMD X470) Motherboard Review 20 | TweakTown.comASRock X470 Taichi Ultimate (AMD X470) Motherboard Review 21 | TweakTown.com

We see the VRM here is in a 12+4 phase mode and uses the IR35201 in 6+2 phase mode. The digital PWM from International Rectifier is used to its maximum, and each power stage consists of a 60A inductor as well as a Texas Instruments CSD87350 NexFET rated for 25A each. These NexFETs are some of the finest dual N-channel MOSFETs, and while we typically see dual N-channels from Fairchild, Sinopower, or even ON Semi it's nice to see the Texas Instruments variant here.

ASRock X470 Taichi Ultimate (AMD X470) Motherboard Review 22 | TweakTown.comASRock X470 Taichi Ultimate (AMD X470) Motherboard Review 23 | TweakTown.com

Those 6+2 phases from the PWM controller are doubled to 12+4 by eight IR3598 phase doubler plus integrated driver chips meant for this very purpose. The memory PWM is the UPI uP1674P, and the dual phases utilize the Texas Instruments 25A NexFETs.

Last updated: Nov 15, 2019 at 01:16 pm CST

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ABOUT THE AUTHOR -

Steven went from a fledgling forum reader in 2003 to one of the internet's brightest tech stars by 2010. Armed with an information systems degree, a deep understanding of circuitry, and a passion for tech, Steven (handle Sin0822) enjoys sharing his deep knowledge with others. Steven details products down to the component level to highlight seldom explained, and often misunderstood architectures. Steven is also a highly decorated overclocker with several world records.

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