公开(公告)号：US20140334189A1

公开(公告)日：2014-11-13

申请号：US14079752

申请日：2013-11-14

Applicant: DELTA ELECTRONICS, INC.

Inventor： Chao YAN ,  Mi CHEN ,  Cai YANG

IPC: H02M3/337 ,  H02M3/335

CPC classification number: H02M3/33584 ,  Y02B70/1433

Abstract: The present disclosure discloses a bi-directional DC-DC converter, comprising a primary-side inverting/rectifying module, an isolated transformer, and a secondary-side rectifying/inverting module, wherein the primary-side inverting/rectifying module comprises a first bridge arm composed of a first switching component and a second switching component connected in series and a clamping circuit comprising a resonant inductor and a clamping bridge arm composed of a first semiconductor component and a second semiconductor component connected in series, and two terminals of the resonant inductor are respectively coupled to a common node of the first switching component and the second switching component and a common node of the first semiconductor component and the second semiconductor component. The present disclosure can improve transformer efficiency while achieving the soft switching of the switching components.

Abstract translation: 本公开公开了一种双向DC-DC转换器，包括初级侧反相/整流模块，隔离变压器和次级侧整流/反相模块，其中初级侧反相/整流模块包括第一桥 包括串联连接的第一开关元件和第二开关元件的钳位电路以及包括谐振电感器和由串联连接的第一半导体元件和第二半导体元件构成的钳位桥臂的钳位电路，以及谐振电感器的两个端子 分别耦合到第一开关部件和第二开关部件的公共节点以及第一半导体部件和第二半导体部件的公共节点。 本公开可以在实现开关元件的软开关的同时提高变压器效率。

公开(公告)号：US20140146573A1

公开(公告)日：2014-05-29

申请号：US14056965

申请日：2013-10-18

Applicant: DELTA ELECTRONICS, INC.

Inventor： Chao YAN ,  Mi CHEN

IPC: H02M3/335

CPC classification number: H02M3/33569 ,  H02M3/33507 ,  H02M3/3376 ,  H02M2001/0058 ,  Y02B70/1491

Abstract: The DC-DC converter includes a first bridge and a second bridge. The first bridge includes a first switch and a second switch, whereas the second bridge includes a third switch and a fourth switch. The second bridge is in parallel connection with the first bridge. The second switch is in series connection with the first switch, and the fourth switch is in series connection with the third switch. The DC-DC converter switches between a first mode and a second mode based on a detection signal. Further, a method for controlling the DC-DC converter is also disclosed herein.

Abstract translation: DC-DC转换器包括第一桥和第二桥。 第一桥包括第一开关和第二开关，而第二桥包括第三开关和第四开关。 第二座桥与第一座桥并联。 第二开关与第一开关串联连接，第四开关与第三开关串联连接。 DC-DC转换器基于检测信号在第一模式和第二模式之间切换。 此外，还公开了一种用于控制DC-DC转换器的方法。