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GIGABYTE Z270X-Designare Motherboard Review (Page 3)

By Steven Bassiri from Jun 27, 2017 @ 11:10 CDT
TweakTown Rating: 91%Manufacturer: GIGABYTE

Circuit Analysis

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The Z270X-Designare's hardware is revealed after removing the heat sinks.

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The VRM on this motherboard is a 4+3 phase VRM. It consists of an Intersil ISL95866 multi-phase R3 PWM controller chip, which offers 4+3 phase output. While the PWM controller has a total of 3 integrated drivers (2+1), GIGABYTE took advantage of all the rails by adding in four (2+2) ISL6625 single phase drivers.

Each driver on the main CPU VRM rail outputs to two low-side MOSFETs and one high-side MOSFET. Each driver on the iGPU rail outputs to one low-side MOSFET and one high-side MOSFET. The MOSFETs are ON Semiconductor 4C06N and 4C70N PowerPAKs. The

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While the memory VRM is a single large phase controlled by a Richtek RT8120 single phase PWM with integrated driver and two low-side and one high-side MOSFET. The MOSFETs are all ON Semiconductor C406N.

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