Isolated phase shifted DC to DC converter with frequency synthesizer to reconstruct primary clock

    公开(公告)号:US10122367B1

    公开(公告)日:2018-11-06

    申请号:US15712239

    申请日:2017-09-22

    Abstract: Disclosed examples include isolated phase shifted dual active bridge DC to DC converters with a first bridge circuit operative according to a primary side clock signal to provide a primary voltage signal to a transformer primary winding, a second bridge circuit operative according to a secondary side clock signal to convert a secondary voltage signal from a transformer secondary winding to provide an output voltage signal, and a secondary side control circuit that alternately operates in a first mode to regulate the output voltage signal by controlling a phase shift angle between switching transitions of secondary side switching control signals and switching transitions of the secondary side clock signal, and a second mode to discontinue the secondary side switching control signals and synchronize the secondary side clock signal to transitions in the secondary voltage signal while the secondary side switching control signals are discontinued.

    Regulated multiple output isolated DC to DC converter
    22.
    发明授权
    Regulated multiple output isolated DC to DC converter 有权
    稳压多输出隔离DC至DC转换器

    公开(公告)号:US09570992B2

    公开(公告)日:2017-02-14

    申请号:US14984076

    申请日:2015-12-30

    CPC classification number: H02M3/33507 H02M3/158 H02M2001/008 H02M2001/009

    Abstract: Disclosed examples include multiple output DC to DC converters with a buck converter including a half bridge switching circuit and transformer primary winding to provide a first output voltage signal, as well as a boost converter to provide an isolated second output voltage signal. The boost converter includes a transformer secondary winding magnetically coupled with the primary winding to provide a boost converter inductor, a switching circuit, an output diode providing the second output voltage signal, and a PWM controller that synchronizes the boost converter switching with the low side switch of the buck converter based on a sensed voltage of the transformer secondary winding.

    Abstract translation: 公开的示例包括具有包括半桥开关电路和变压器初级绕组的降压转换器的多输出DC至DC转换器,以提供第一输出电压信号,以及提供隔离的第二输出电压信号的升压转换器。 升压转换器包括与初级绕组磁耦合的变压器次级绕组,以提供升压转换器电感器,开关电路,提供第二输出电压信号的输出二极管和将升压转换器开关与低压开关同步的PWM控制器 基于感测到的变压器次级绕组的电压的降压转换器。

    Drivers and methods of driving transducers
    30.
    发明授权
    Drivers and methods of driving transducers 有权
    驱动器和驱动换能器的方法

    公开(公告)号:US09338533B2

    公开(公告)日:2016-05-10

    申请号:US14204280

    申请日:2014-03-11

    CPC classification number: B06B1/0284 B06B1/0292 H04R1/00 H04R3/06 H04R2217/03

    Abstract: A transducer has an input and produces a mechanical output, wherein the magnitude of the mechanical output of the transducer is dependent on the frequency and magnitude of current at the input. A driver for the transducer includes a device having a transfer function associated with the device, the device having a device input and a device output, the device output being connectable to the input of the transducer and the device input being connectable to a power source. The device attenuates the current output at a frequency that causes a peak in the magnitude of the mechanical output of the transducer.

    Abstract translation: 换能器具有输入并产生机械输出,其中换能器的机械输出的大小取决于输入端的电流的频率和幅度。 用于换能器的驱动器包括具有与装置相关联的传递功能的装置,所述装置具有装置输入和装置输出,所述装置输出可连接到所述换能器的输入端,所述装置输入可连接到电源。 该器件以导致换能器的机械输出大小的峰值的频率衰减电流输出。

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