Active clamp forward dc-dc converter circuit
AssigneeKabushiki Kaisha Toyota Jidoshokki
InventorSergey MOISEEV
Life of this patent
Estimating the term…
Abstract
There is provided an active clamp forward DC-DC converter circuit that includes an insulated transformer having a primary coil and a switching circuit connected to the primary coil of the insulated transformer. The switching circuit includes a first circuit and a second circuit that is connected in parallel to the first circuit. The switching circuit further includes a first rectifying element or a second rectifying element or a third power storage element. The first circuit includes a first switching element and a second switching element that are connected in series. The second circuit includes a third switching element, a fourth switching element, a first power storage element and a second power storage element that are connected in series.
Claims5
An active clamp forward DC-DC converter circuit comprising:
- an insulated transformer having a primary coil;
- and
- a switching circuit connected to the primary coil of the insulated transformer, the switching circuit including a first circuit, a second circuit that is connected in parallel to the first circuit, and a first rectifying element, the first circuit including a first switching element and a second switching element that are connected in series, the second circuit including a third switching element, a fourth switching element, a first power storage element and a second power storage element that are connected in series, an anode of the first rectifying element being connected to a junction between the first and second switching elements, a cathode of the first rectifying element being connected to a junction between the first and second power storage elements.
An active clamp forward DC-DC converter circuit comprising:
- an insulated transformer having a primary coil;
- and
- a switching circuit connected to the primary coil of the insulated transformer, the switching circuit including a first circuit, a second circuit that is connected in parallel to the first circuit, and a second rectifying element, the first circuit including a first switching element and a second switching element that are connected in series, the second circuit including a third switching element, a fourth switching element, a first power storage element and a second power storage element that are connected in series, a cathode of the second rectifying element being connected to a junction between the third and fourth switching elements, an anode of the second rectifying element being connected to a junction between the first and second power storage elements.
An active clamp forward DC-DC converter circuit comprising:
- an insulated transformer having a primary coil;
- and
- a switching circuit connected to the primary coil of the insulated transformer, the switching circuit including a first circuit, a second circuit that is connected in parallel to the first circuit, a first rectifying element, a second rectifying element, and a third power storage element, the first circuit including a first switching element and a second switching element that are connected in series, the second circuit including a third switching element, a fourth switching element, a first power storage element and a second power storage element that are connected in series, an anode of the first rectifying element being connected to a junction between first and second switching elements, a cathode of the first rectifying element being connected to a junction between the first and second power storage elements, a cathode of the second rectifying element being connected to a junction between third and fourth switching elements, an anode of the second rectifying element being connected to a junction between the first and second power storage elements, the third power storage being connected to a junction between the first and second switching elements and the junction between the third and fourth switching elements.
Dependencies are inferred from the claim text.