Korea Advanced Institute of Science and Technology

Cheon-Yong Lim

Gun Woo Moon

Gun-Woo Moon

Keon-Woo Kim

Jung-Kyu Han

Jong-Woo Kim

Seung-Hyun Choi

Disclosed is an asymmetrical half-bridge converter having high efficiency in a wide input voltage range. The converter may include a primary-side circuit including a first switch, a second switch, a primary-side capacitor, an additional inductor, and a primary-side magnetization inductor, and a secondary-side circuit including first and second diodes connected in series, first and second capacitors connected in series, a secondary-side rectification inductor having one end connected to the anode of the first diode and cathode of the second diode, and having the other end connected between the first and second capacitors connected in series, a first coupling inductor having one end connected to the cathode of the first diode and having the other end connected to the first capacitor, and a second coupling inductor having one end connected to the anode of the second diode and having the other end connected to the second capacitor.

Half-bridge converter including rectifier structure using coupling inductor

Disclosed are a new phase shift full bridge (PSFB) converter using a clamp circuit connected to a center-tapped clamp circuit and an operating method thereof. The new PSFB converter using a clamp circuit connected to a center-tapped clamp circuit includes a primary-side circuit including a plurality of inductors connected to one end between a first switch and a second switch which are connected in series and to one end between a third switch and a fourth switch which are connected in series and a secondary-side circuit using a voltage applied by the primary-side circuit and including a clamping circuit configured with a first rectifier diode, a second rectifier diode, a third rectifier diode, a fourth rectifier diode, a first clamping diode, a second clamping diode and a capacitor in a center-tapped clamp circuit.

Phase shift bridge converter using clamp circuit connected to the center-tap of the transformer on the secondary side

Growing community of inventors

Daejeon, South Korea

Cheon-Yong Lim