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Voltage regulator module for graphic card repair
Kožuch, Matúš ; Steinbauer, Miloslav (referee) ; Szabó, Zoltán (advisor)
The topic of this thesis is the design and implementation of multi-phase switching power supply of low voltage and high current which will be used for graphics card repair. Specifications of the power supply feature a minimal output current of 150A, an output voltage ranging from 0,9 up to 1,5V that is adjustable using PWM VID or set to a constant level and fully passive cooling. The thesis also covers the methods used for overcurrent and overvoltage protection followed by the basic topologies of dc-dc converters, their design and component selection. The designed external regulator is equipped with eight phase integrated controller, which senses the output voltage and current of each phase and balances them, while also providing an overcurrent and short circuit protection.

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1 Kožuch, Michal
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