Abstract: A solar photovoltaic output optimizer circuit utilizes generated energy without waste. The optimizer circuit includes a solar photovoltaic power generation input device for receiving the generated output of a solar photovoltaic panel, a switching device, and a voltage doubler rectification device, and further includes: a first power collection circuit that connects a connection point between a source electrode of a second switching transistor of the switching device and one end of a primary winding of a transformer of the voltage doubler rectification device to a drain electrode of a sixth switching transistor; and a second power collection circuit including a seventh switching transistor whose drain electrode is connected to a drain electrode of a fifth switching transistor of the switching device and whose source electrode is connected to a source electrode of the sixth switching transistor of the first power collection circuit and an anode electrode of a third diode.