Voltage supply device and voltage supply device control method

    公开(公告)号:US11973420B2

    公开(公告)日:2024-04-30

    申请号:US17772059

    申请日:2019-10-28

    发明人: Yuta Nagano

    IPC分类号: H02M3/02

    CPC分类号: H02M3/02

    摘要: An aspect of the present invention is a voltage supply device including: a controller which outputs a signal indicating any one bus voltage determined by negotiation among a plurality of bus voltages from a power supply circuit to an external device; a reference voltage generation unit which generates a reference voltage corresponding to the signal; a detection voltage output unit which detects the bus voltage and outputs a detection voltage; a comparison unit which compares the detection voltage with the reference voltage; and a switch unit which switches the supply state of the bus voltage to the external device in response to the comparison result.

    DC-DC CONVERTER WITH STEADY STATE CURRENT LIMITATION

    公开(公告)号:US20240039394A1

    公开(公告)日:2024-02-01

    申请号:US18486727

    申请日:2023-10-13

    发明人: Lionel Cimaz

    IPC分类号: H02M1/32 H02M3/02

    CPC分类号: H02M1/32 H02M3/02 H02M1/0009

    摘要: In an embodiment a DC to DC conversion circuit includes a DC to DC converter connected to an input path and an output path and a current limiting circuit including a circuit configured to detect when an input or output current of the DC to DC converter exceeds or falls below a current threshold and a controller configured to store a first voltage level of an output voltage of the DC to DC converter in response to the input or output current exceeding the current threshold, to store a second voltage level of the output voltage in response to the input or output current falling below the current threshold and to set a control signal based on the first and second voltage levels.

    High-efficiency energy harvesting interface and corresponding energy harvesting system
    7.
    发明授权
    High-efficiency energy harvesting interface and corresponding energy harvesting system 有权
    高效能量采集接口和相应的能量采集系统

    公开(公告)号:US09564800B2

    公开(公告)日:2017-02-07

    申请号:US15163394

    申请日:2016-05-24

    IPC分类号: H02M3/02 H02J3/38 H02J7/35

    摘要: An electrical-energy harvesting system envisages a transducer for converting energy from an environmental energy source into a transduced signal, an electrical energy harvesting interface for receiving the transduced signal and for supplying a harvesting signal, and an energy storage element coupled to the electrical energy harvesting interface for receiving the harvesting signal. The electrical-energy harvesting system also includes a voltage converter connected to the electrical energy harvesting interface for generating a regulated voltage. The harvesting interface samples an open-circuit voltage value of the transduced signal, generates an optimized voltage value starting from the open-circuit voltage value, and generates an upper threshold voltage and a lower threshold voltage on the basis of the optimized voltage value. The harvesting interface controls the voltage converter in switching mode so that the harvesting signal has a value between the upper and lower threshold voltages in at least one operating condition.

    摘要翻译: 电能收集系统设想用于将来自环境能源的能量转换成转换信号的换能器,用于接收转换信号并用于提供收获信号的电能收集界面,以及耦合到电能收集的能量存储元件 用于接收收获信号的接口。 电能收集系统还包括连接到电能收集界面的电压转换器,用于产生调节电压。 采集接口采样转换信号的开路电压值,从开路电压值开始产生优化的电压值,并根据优化电压值生成上阈值电压和下阈值电压。 采集接口以开关模式控制电压转换器,使得收集信号在至少一个操作条件下具有在上限和下限阈值电压之间的值。

    Partial arbitrary matrix topology (PMAT) and general transposed serial-parallel topology (GTSP) capacitive matrix converters related applications
    8.
    发明授权
    Partial arbitrary matrix topology (PMAT) and general transposed serial-parallel topology (GTSP) capacitive matrix converters related applications 有权
    部分任意矩阵拓扑(PMAT)和一般转置串并联拓扑(GTSP)电容矩阵转换器相关应用

    公开(公告)号:US09496783B2

    公开(公告)日:2016-11-15

    申请号:US13907926

    申请日:2013-06-02

    IPC分类号: H02M3/18 H02M3/02 H02M3/07

    CPC分类号: H02M3/02 H02M3/07

    摘要: A direct current (DC) to DC converter, including: input ports for receiving an input DC voltage; output ports for outputting an output DC voltage; a first matrix of capacitors and switches; a second matrix of capacitors and switches; and a control circuit, coupled to the switches of the first and second matrices, configured to repetitively: (i) configure the first matrix to a charge configuration and couple the first matrix to the input ports while configuring the second matrix to a discharge configuration and coupling the second matrix to the output ports; (ii) maintain the charge and discharge configurations for a first period of time; (iii) configure the second matrix to the charge configuration and couple the second matrix to the input ports while configuring the first matrix to the discharge configuration and couple the first matrix to the output ports; and (iv) maintain the charge and discharge configurations for a second period of time.

    摘要翻译: 直流(DC)到直流转换器,包括:用于接收输入直流电压的输入端口; 用于输出输出直流电压的输出端口; 电容器和开关的第一矩阵; 电容器和开关的第二矩阵; 以及耦合到所述第一和第二矩阵的开关的控制电路,被配置为重复地:(i)将所述第一矩阵配置为电荷配置,并将所述第一矩阵耦合到所述输入端口,同时将所述第二矩阵配置为放电配置, 将第二矩阵耦合到输出端口; (ii)在第一段时间内维持充电和放电配置; (iii)将第二矩阵配置为电荷配置,并将第二矩阵耦合到输入端口,同时将第一矩阵配置到放电配置并将第一矩阵耦合到输出端口; 和(iv)在第二个时间段内维持充放电配置。

    Electric device
    9.
    发明授权
    Electric device 有权
    电器

    公开(公告)号:US09431897B2

    公开(公告)日:2016-08-30

    申请号:US13945227

    申请日:2013-07-18

    发明人: Tsuyoshi Ohashi

    IPC分类号: H02M3/02 H02J7/00

    CPC分类号: H02M3/02 H02J7/0065

    摘要: Provided is an electric device, including: a secondary battery; and a power supply circuit for dropping an input voltage which is input from the secondary battery to an output voltage and outputting the output voltage to a load, in which the output voltage is stepwise dropped in accordance with the drop of the input voltage.

    摘要翻译: 提供一种电气设备,包括:二次电池; 以及电源电路,用于将从二次电池输入的输入电压下降到输出电压,并将输出电压输出到输出电压根据输入电压的下降而逐步下降的负载。

    HIGH-EFFICIENCY ENERGY HARVESTING INTERFACE AND CORRESPONDING ENERGY HARVESTING SYSTEM
    10.
    发明申请
    HIGH-EFFICIENCY ENERGY HARVESTING INTERFACE AND CORRESPONDING ENERGY HARVESTING SYSTEM 有权
    高效能采集接口和相应的能量采集系统

    公开(公告)号:US20160079855A1

    公开(公告)日:2016-03-17

    申请号:US14749254

    申请日:2015-06-24

    IPC分类号: H02M3/158 H02J7/35

    摘要: An electrical-energy harvesting system envisages a transducer for converting energy from an environmental energy source into a transduced signal, an electrical energy harvesting interface for receiving the transduced signal and for supplying a harvesting signal, and an energy storage element coupled to the electrical energy harvesting interface for receiving the harvesting signal. The electrical-energy harvesting system also includes a voltage converter connected to the electrical energy harvesting interface for generating a regulated voltage. The harvesting interface samples an open-circuit voltage value of the transduced signal, generates an optimized voltage value starting from the open-circuit voltage value, and generates an upper threshold voltage and a lower threshold voltage on the basis of the optimized voltage value. The harvesting interface controls the voltage converter in switching mode so that the harvesting signal has a value between the upper and lower threshold voltages in at least one operating condition.

    摘要翻译: 电能收集系统设想用于将来自环境能源的能量转换成转换信号的换能器,用于接收转换信号并用于提供收获信号的电能收集界面,以及耦合到电能收集的能量存储元件 用于接收收获信号的接口。 电能收集系统还包括连接到电能收集界面的电压转换器,用于产生调节电压。 采集接口采样转换信号的开路电压值,从开路电压值开始产生优化的电压值,并根据优化电压值生成上阈值电压和下阈值电压。 采集接口以开关模式控制电压转换器,使得收集信号在至少一个操作条件下具有在上限和下限阈值电压之间的值。