University of Florida Research Foundation, Incorporated

Future Wei Technologies, Inc.

Huawei Technologies Co., Limited

Huan Zhang

Shuo Wang

Heping Dai

An integrated common mode and differential mode inductor can include a first core including a first center leg, a second core including a second center leg, a first center winding on the first center leg, and a second center winding on the second center leg. The first center leg can be spaced apart from the second center leg, for example by a center air gap. The integrated common mode and differential mode inductor can further include a left winding on a first left leg of the first core and a second left leg of the second core, as well as a right winding on a first right leg of the first core and a second right leg of the second core.

Integrated common mode and differential mode inductors with low near magnetic field emission

A device comprises a magnetic core comprising a first leg and a second leg formed by a first magnetic component and a second magnetic component, wherein a first gap and a second gap are placed between the first magnetic component and the second magnetic component and are in the first leg and the second leg, respectively, a first winding wound around the first leg in a counter-clockwise direction and a second winding wound around the second leg in a clockwise direction.

Inductor structure and method for forming the same

A full bridge LLC resonant converter can include: a full bridge circuit including a first input node and a second input node; a LLC resonant tank circuit connected to the first input node and the second input node; a transformer winding part connected to the LLC resonant tank circuit; a rectifier circuit connected to the transformer through a first output node and a second output node; and a capacitor connected between the first input node and the first output node. The LLC resonant tank circuit can include a resonant capacitor connected to the first input node, a resonant inductor connected to the resonant capacitor, and a magnetizing inductance connected between the resonant inductor and the second input node.

Loop noise balance technique for CM EMI noise reduction of the full bridge LLC resonant converter

An apparatus includes: a first inductor coupled to a first node and a second node; a second inductor coupled to a third node and a fourth node; a third inductor coupled to the fourth node and a fifth node, wherein the first inductor, the second inductor, and the third inductor form a transformer; and a compensation capacitor coupled to the fourth node and one of the first node and the second node and including, a compensation capacitance. A method of manufacturing a resonant converter, the method includes: obtaining the resonant converter, wherein the resonant converter includes a transformer; determining a parasitic capacitance of the transformer; calculating a compensation capacitance based on the parasitic capacitance; and adding a compensation capacitor across the transformer, wherein the compensation capacitor includes the compensation capacitance.

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Gainesville, FL, United States of America

Huan Zhang