Power supply device for electronic equipment, has bi-directional DC-DC converter with control input for controlling conversion ratio of converter, and control system managing power exchange between intermediate bus and storage capacity

摘要

The device has a bi-directional DC-DC converter including a control input for controlling a conversion ratio of the converter and ports (A1, A2) connected to an intermediate bus under voltage (V1) and a spare storage capacity (C2) under voltage (V2), respectively. A control system manages power exchange between the intermediate bus and the storage capacity. Currents passing through each port change direction based on variations of the voltage (V1) pre-regulated on the intermediate bus.