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Thermal dissipation optimization of LED Driver devices NCV78964 and NCV78925
Rejthar, Martin ; Boušek, Jaroslav (referee) ; Prokop, Roman (advisor)
Thesis is aimed at automotive DC/DC convertor analysis. It introduces categories of DC/DC convertors by their architecture. Converters are then divided to step-up and step-down. Later the types of power losses are introduced. Theory is closed with thermal design rules and cooling of integrated circuits. After basic convertor analysis, one specific Integrated Circuit is described in more detail. Especially its principles of operations and this IC is used in an evaluation board. Thesis predicts the thermal parameters of modules and these results are compared with measured data, acquired on modules, that were designed too.
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Industrial power supply with output control
Čunderlík, Dávid ; Herencsár, Norbert (referee) ; Krajsa, Ondřej (advisor)
This bachelor’s thesis covers basic theory about power supplies, it’s design and usage. Theory provide detailed information about each functional part in PSU. The main object are switch-mode power supplies and converters, their function and design. Industrial power supply is designed with functions of controling the outputs. This power supply is designed to be mounted on DIN rail. Designed power supply have 6 independent regulated outputs with total power of 120W. Theory about components for controling and comunicating are discused on theoretical basis. Practical part of thesis is assembly of a whole power supply, 3D model and it’s technical documnetation.
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Thermal dissipation optimization of LED Driver devices NCV78964 and NCV78925
Rejthar, Martin ; Boušek, Jaroslav (referee) ; Prokop, Roman (advisor)
Thesis is aimed at automotive DC/DC convertor analysis. It introduces categories of DC/DC convertors by their architecture. Converters are then divided to step-up and step-down. Later the types of power losses are introduced. Theory is closed with thermal design rules and cooling of integrated circuits. After basic convertor analysis, one specific Integrated Circuit is described in more detail. Especially its principles of operations and this IC is used in an evaluation board. Thesis predicts the thermal parameters of modules and these results are compared with measured data, acquired on modules, that were designed too.
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Industrial power supply with output control
Čunderlík, Dávid ; Herencsár, Norbert (referee) ; Krajsa, Ondřej (advisor)
This bachelor’s thesis covers basic theory about power supplies, it’s design and usage. Theory provide detailed information about each functional part in PSU. The main object are switch-mode power supplies and converters, their function and design. Industrial power supply is designed with functions of controling the outputs. This power supply is designed to be mounted on DIN rail. Designed power supply have 6 independent regulated outputs with total power of 120W. Theory about components for controling and comunicating are discused on theoretical basis. Practical part of thesis is assembly of a whole power supply, 3D model and it’s technical documnetation.
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Low Power High Voltage Step-Down Converter
Folprecht, Martin
This article refers about problematics of DC/DC converters. Basic topologies of DC/DC converters with and without pulse transformer are mentioned in this article. There is also a focus on some IC drivers and controllers used for converters without pulse transformer. The main part of the article is reserved for the description of the step-down converter powered from voltage in excess of 100 V, which is able to work in application, where special IC controller cannot be used.
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