Analysis of DC-DC Boost Converter Output Voltage Based on Microcontroller
Keywords:
DC-DC Boost Converter, Microcontroller, PI Control, Output Voltage, Simulation, Tool Implementation.Abstract
This study aims to analyze the output voltage performance of a DC-DC boost converter circuit controlled by a microcontroller. This circuit uses a PI (Proportional-Integral) control technique to produce a stable and controlled output voltage despite variations in input voltage and load changes. In this study, computational simulations were carried out using Power Simulator software and hardware implementation with components such as the STM32F1038CT microcontroller, IR2110 driver, and IRFP460 switch. The DC voltage source used was 12V, with a 2 mH inductor, a 220 μF load capacitor, and a 100 Ohm load resistor. The simulation results and hardware implementation show that the output voltage can follow the reference voltage waveform accurately and reach a value twice the input voltage (around 44.8V). In addition, the system is proven to be stable despite variations in input voltage and load changes. The use of proper PI control allows for fast and effective output voltage adjustment. This study contributes to the development of an efficient power conversion system, which can be applied to various applications that require stable and accurate voltage boosting.
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