Abstract
The necessity for stable DC voltage in both removable and non-removable systems has been considerably desired recently. These systems have to be implemented efficiently in order to be responding rapidly based voltage variations. Under this act, the efficient power can extend the lifetime of the employed batteries in such systems. The presented efficiency can be realized with respect to buck and boost components that were implemented to generate what is called positive Buck-Boost converter circuits. The main functions of the positive Buck-Boost converter are identified by announcing the unchanged situation of output voltage polarity and indicating the level of the voltage rationally between the input and the output. It is worth mention, the positive Buck-Boost converter circuit was simulated based Proteus software, and the hardware components were connected in reality. Finally, the microcontroller type that employed in the proposed system is PIC_16F877A, which realizes the input voltage sensitively to generate Pulse Width Modulation (PWM) signals in order to feed the employed MOSFET element.
Highlights
The modern technologies have fascinated the universe by developing and enhancing the devices especially the portable devices that are massively needed nowadays
In addition this circuit of positive Buck-Boost converter or what is called Buck-Boost Noninverting converter could be used as step-up or step-down DC-DC converters [22], it is permitted to connect a Buck with Boost converter in one topology to lead a single inductor in order to be employed with high fulfillment in Buck-Boost converter [23, 24]
Pulse Width Modulation (PWM) waveform connected to the gate driver provides a greater amplitude of the waveform
Summary
The modern technologies have fascinated the universe by developing and enhancing the devices especially the portable devices that are massively needed nowadays. That would be one of the applications of positive Buck-Boost converter that magnifies reduce the input voltage based DC-DC conversion principle. The basic principle of DC to DC positive Buck-Boost converter converts DC output voltages. The output voltage can be less than input, which is during Buck converter (step down), higher than the input during Boost converter (step-up) converter. The Boost converter or what is called the step-up converter is utilized to regulate the output voltage, which could be higher equal to the input voltage. There are a couple of different typologies of Buck-Boost converter in same circuit topology
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