POWER CONVERSION CIRCUIT CAPABLE OF CONTROLLING AN OUTPUT VOLTAGE DURING A CHARGING MODE AND A CURRENT OF A SUNLIGHT PANEL BY SELECTING AN OPERATION MODE ACCORDING TO A COMPARISON RESULT BETWEEN AN OUTPUT VOLTAGE OF THE SUNLIGHT PANEL AND A THRESHOLD VOLTAGE, AND A METHOD THEREOF

摘要

PURPOSE: A power conversion circuit and a method thereof are provided to reduce the cost of a power conversion circuit by using a single electric power stage during a charging mode and a power supplying mode.;CONSTITUTION: A sunlight panel(102) provides power which has an output voltage. An power inverter(103) is combined with the sunlight panel. The power inverter is selectively operated among a charging mode and a power supplying mode by comparing the output voltage and a threshold voltage. The power inverter transfers the power from the sunlight panel to a power source. The power inverter maintains the output voltage at a threshold voltage during the charging mode. The power inverter transfers power from the power source to a load during the power supplying mode.;COPYRIGHT KIPO 2010