The B450 Aorus Pro WIFI shows us the goods with the heat sinks removed.
We see the VRM here is in an interesting configuration. The PWM controller, the Intersil ISL95712, is in 4+3 phase mode and features two integrated drivers for the main 4 phase rail and one on the 3 phase rail. Three Intersil ISL6625A drivers finish off the control segment of the VRM, and output to two low-side MOSFETs and one high-side MOSFET for the main CPU phases and one low-side and one high-side MOSFET for the SoC portion of the VRM.
However, GIGABYTE went and added a second inductor per each phase, so while the VRM looks like an 8+3 phase VRM; it is more like an enhanced 4+3 phase VRM. Doubling the inductor count increases current capability and decreases thermals of the VRM. MOSFETs are the ON Semiconductor NTMFS4C06N as the low-side MOSFET and NTMFS4C10N as the high-side MOSFET.
The memory VRM is a single phase VRM controlled by a Richtek RT8120D single-phase PWM controller with an integrated driver, and there are two low-side MOSFETs and one high-side MOSFET.
Last updated: Nov 15, 2019 at 01:16 pm CST
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- Page 1 [Introduction, Specifications, and Pricing]
- Page 2 [Packaging and B450 Aorus Pro WIFI Overview]
- Page 3 [GIGABYTE B450 Aorus Pro WIFI Circuit Analysis]
- Page 4 [GIGABYTE B450 Aorus Pro WIFI 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]