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LED driver with synchronous rectification
Hodáňová, Adéla ; Šotner, Roman (referee) ; Kubíček, Michal (advisor)
The main goal of this diploma thesis is to compare two circuits designed for LED powering with output current of units of Amperes. Both circuits are based on step-down converter topology, one with technology of synchronous rectifying and the other one without it. Calculations and selection of used components with real prototypes were made for both selected circuits. All selected components meet automotive qualification requirements for discrete products. Produced prototypes were compared in terms of functionality, efficiency, EMC and thermal radiation.
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Sun Sensor for I2C bus
Hodáňová, Adéla ; Povalač, Aleš (referee) ; Urbanec, Tomáš (advisor)
This thesis contains design of sun sensor. At first, it deals with different types of sensors, after which it focuses on selection of mode for connecting the sensor. After measuring all parameters, this thesis focus is determining of diode configuration in space. Next part of the thesis is choice of suitable microprocessor and its support circuits. Thesis ends with construction of the sun sensor and testing of sensor’s parameters.
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LED driver with synchronous rectification
Hodáňová, Adéla ; Šotner, Roman (referee) ; Kubíček, Michal (advisor)
The main goal of this diploma thesis is to compare two circuits designed for LED powering with output current of units of Amperes. Both circuits are based on step-down converter topology, one with technology of synchronous rectifying and the other one without it. Calculations and selection of used components with real prototypes were made for both selected circuits. All selected components meet automotive qualification requirements for discrete products. Produced prototypes were compared in terms of functionality, efficiency, EMC and thermal radiation.
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Sun Sensor for I2C bus
Hodáňová, Adéla ; Povalač, Aleš (referee) ; Urbanec, Tomáš (advisor)
This thesis contains design of sun sensor. At first, it deals with different types of sensors, after which it focuses on selection of mode for connecting the sensor. After measuring all parameters, this thesis focus is determining of diode configuration in space. Next part of the thesis is choice of suitable microprocessor and its support circuits. Thesis ends with construction of the sun sensor and testing of sensor’s parameters.
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