公开(公告)号：US20180205319A1

公开(公告)日：2018-07-19

申请号：US15406014

申请日：2017-01-13

Applicant: Analog Devices Global

Inventor： Yue Zhuo ,  Baoxing Chen ,  Xin Yang ,  Tianting Zhao

IPC: H02M3/335

Abstract: Isolated DC-DC converters are described. A DC-DC converter is a device which converts a direct current (DC) signal from one voltage to another. An isolated DC-DC converter performs the conversion across an electrical isolation barrier separating two voltage domains. The signal converted from one voltage to another, and transferred from one voltage domain to another, may be a power signal. Described are isolated DC-DC converters which transfer a power signal from one voltage domain to another via an isolator, and a power feedback signal back across the isolator. The isolator is a transformer in some situations.

公开(公告)号：US10680526B2

公开(公告)日：2020-06-09

申请号：US15406014

申请日：2017-01-13

Applicant: Analog Devices Global

Inventor： Yue Zhuo ,  Baoxing Chen ,  Xin Yang ,  Tianting Zhao

IPC: H02M3/335

Abstract: Isolated DC-DC converters are described. A DC-DC converter is a device which converts a direct current (DC) signal from one voltage to another. An isolated DC-DC converter performs the conversion across an electrical isolation barrier separating two voltage domains. The signal converted from one voltage to another, and transferred from one voltage domain to another, may be a power signal. Described are isolated DC-DC converters which transfer a power signal from one voltage domain to another via an isolator, and a power feedback signal back across the isolator. The isolator is a transformer in some situations.

公开(公告)号：US20200036284A1

公开(公告)日：2020-01-30

申请号：US16046732

申请日：2018-07-26

Applicant: Analog Devices Global Unlimited Company

Inventor： Wenhui Qin ,  Xin Yang ,  Shaoyu Ma ,  Fang Liu ,  Yuanyuan Zhao

IPC: H02M1/44 ,  H02M7/06 ,  H03B5/12 ,  H03L7/099 ,  H01F38/14 ,  H01F27/34

Abstract: Power isolators for providing electrical isolation between an input port and an output port that exhibit low electromagnetic interference (EMI) are described. The low EMI may be achieved by, for example, canceling out a common mode current across a transformer in the power isolator that may be converted into EMI. The power isolator may include at least one oscillator circuit that is configured to apply a first signal to a first transformer and a second, different signal to a second transformer. The first and second signals may be configured such that the common mode current generated in each of the first and second transformers has an opposite direction. Thus, the common mode currents in the first and second transformers may at least partially cancel out. As a result, the EMI exhibited by the power isolator may be reduced.

公开(公告)号：US10164614B2

公开(公告)日：2018-12-25

申请号：US15087723

申请日：2016-03-31

Applicant: Analog Devices Global Unlimited Company

Inventor： Xin Yang ,  Tianting Zhao ,  Baoxing Chen

IPC: H03B5/12 ,  H03K3/013 ,  H03B5/08

Abstract: Embodiments of the present disclosure may provide a circuit comprising a tank circuit. The tank circuit may include an inductor having a pair of terminals, a first pair of transistors, and a first pair of capacitors. Each transistor may be coupled between a respective terminal of the inductor and a reference voltage along a source-to-drain path of the transistor. Each capacitor may be provided in a signal path between an inductor terminal coupled to a respective first transistor in the first pair and a gate of a second transistor in the first pair.