bidirectional buck/boost converter vs separate buck and boost converters - Electrical Engineering Stack Exchange
Scalable 3 kW 48 V / 12 V Bi-Directional DC/DC Converter Reference Design
Controller-driven bidirectional DC-DC step-up and step-down voltage regulator - MATLAB
Characterization of analog and digital control loops for bidirectional buck–boost converter using PID/PIDN algorithms | Journal of Electrical Systems and Information Technology | Full Text