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Adjustable source supplied and controlled via USB

By Petr Pavlíček


Master’s thesis deals with design and realization of power supply, which is supplied and controlled via USB bus. In theoretical part there are described principles of USB communication drivers which ensures this communication, there are described principles of linear voltage regulators and basic types of DC/DC converters. Mentioned is also PID regulator theory. Practical part aims for design of suitable DC/DC converter topology and creating algorithms for driving this converter. Next there is created PC program which drives power supply and there are also accomplished basic power supply measurements. The result of this thesis is functional power supply supplemented with PCB

Topics: PWM; pulsně šířková modulace; sběrnice USB; switching converter; USB bus; ATmega88; DC/DC converter; Libusb; DC/DC měnič; V-USB; Atmel AVR; spínaný měnič; pulse width modulation
Publisher: Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií
Year: 2010
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