Smooth-Transition Simple Digital PWM Modulator for Four-Switch Buck-Boost Converters

Author:

Fernandez Miguel,Rodriguez Alberto,Rodríguez Miguel,Vazquez Aitor,Fernandez PabloORCID,Arias Manuel

Abstract

This paper proposes a simple, hardware-efficient digital pulse width modulator for a 4SBB that enables operation in Buck, Boost, and Buck+Boost modes, achieving smooth transitions between the different modes. The proposed modulator is simulated using Simulink and experimentally demonstrated using a 500 W 4SBB converter with 24 V input voltage and 12–36 V output voltage range.

Funder

Ministerio de Ciencia e Innovación

Publisher

MDPI AG

Subject

Electrical and Electronic Engineering,Computer Networks and Communications,Hardware and Architecture,Signal Processing,Control and Systems Engineering

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