The motherboard shows us everything once we remove the heat sinks.
The motherboard is in an 8+2 phase configuration for the VCore and the iGPU phases. The VCCSA and VCCIO have their own phases on either side of the other phases.
The main PWM controller is the IR35201 in 4+2 phase mode, and we have another PWM, the IR35204 for the VCCSA and VCCIO, although it's possible that the VCCIO, VCCSA, and iGPU use the other PWM. I couldn't find anything on the power stages, but they are DrMOS, and they are probably rated anywhere between 40-60A.
The IR3599 are phase doublers/quadrouplers, and here they are used as doublers for the VCore phases. The memory VRM utilizes the uPI uP1537P single-phase PWM controller with integrated driver and NTMSF4C024N and NTMFS4C029N MOSFETs.
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- Page 1 [Introduction, Specifications, and Pricing]
- Page 2 [Packaging and Z370 Classified K Overview]
- Page 3 [EVGA Z370 Classified K Circuit Analysis]
- Page 4 [EVGA Z370 Classified K Circuit Analysis Continued]
- Page 5 [BIOS and Software]
- Page 6 [Test System Setup]
- Page 7 [Overclocking]
- Page 8 [CPU, Memory, and System Benchmarks]
- Page 9 [System IO Benchmarks]
- Page 10 [Thermal Imaging and Power Consumption]
- Page 11 [What's Hot, What's Not & Final Thoughts]