Gigabyte G1.Sniper 5 Motherboard

Voltage Regulator

The CPU voltage regulator circuit of the Gigabyte G1.Sniper 5 has 16 phases for the CPU. The voltage regulator uses an IR3563B controller chip (digital design). This controller provides eight phases, and each of these phases are connected to a phase doubler integrated circuit, creating the final 16 phases. One IR3550M chip (which combines the low side and the high side transistors in a single package) is used per phase.

Another interesting feature is the voltage regulator cooling system. It is an active cooler, with one heatpipe and a 40 mm fan. It is also prepared for a liquid cooling system, as shown in Figure 14.

Gigabyte G1.Sniper 5Figure 14: Voltage regulator cooler

Figure 15 reveals the voltage regulator circuit without the cooler.

Gigabyte G1.Sniper 5Figure 15: Voltage regulator circuit

The Gigabyte G1.Sniper 5 uses high-end solid capacitors and all coils on this motherboard are ferrite ones. If you want to learn more about the voltage regulator circuit, please read our tutorial on the subject.

Author: Rafael Coelho

Rafael Otto Coelho is a physicist with a master's degree in Education, and is a college professor in Brazil.

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