Multiphase control system and control unit
    61.
    发明授权
    Multiphase control system and control unit 有权
    多相控制系统和控制单元

    公开(公告)号:US08729872B2

    公开(公告)日:2014-05-20

    申请号:US13186444

    申请日:2011-07-19

    CPC classification number: H02M3/1584 H02M2003/1586

    Abstract: A multiphase control system is provided, which is adapted to convert power of an input power source into an output voltage for outputting through an output terminal. The multiphase control system comprises a plurality of control units connected in series to form a loop. Each of the control units receives a sequential input signal from an adjacent control unit connected there before through a multiphase input terminal, and generates a control signal to control power transmission from the input power source to the output terminal when determining that the output voltage is lower than a predetermined voltage value, and generates a sequential output signal at a multiphase output terminal for outputting to an adjacent control unit connected there after.

    Abstract translation: 提供了一种多相控制系统,其适于将输入电源的功率转换成用于通过输出端输出的输出电压。 多相控制系统包括串联连接的多个控制单元,以形成环路。 每个控制单元通过多相输入端接收来自相连控制单元的顺序输入信号,并且当确定输出电压较低时,产生控制信号以控制从输入电源到输出端的电力传输 并且在多相输出端产生顺序输出信号,输出到之后连接的相邻控制单元。

    LED driving circuit and control circuit
    62.
    发明授权
    LED driving circuit and control circuit 有权
    LED驱动电路和控制电路

    公开(公告)号:US08629630B2

    公开(公告)日:2014-01-14

    申请号:US13086365

    申请日:2011-04-13

    CPC classification number: H05B33/0827 H05B33/0815 H05B33/089 Y02B20/347

    Abstract: A control circuit adapted to control a power converting circuit for stabilizing an output of the power converting circuit is provided. The control circuit includes a capacitor, a charging unit, a discharging unit, a feedback control unit, and a duty-cycle adjusting unit. The charging unit has a first current source coupled to the capacitor for charging the capacitor. The discharging unit is coupled to the capacitor for discharging the capacitor. The feedback control unit controls the charging unit to charge the capacitor according to a feedback signal which represents the output of the power converting circuit. The duty-cycle adjusting unit generates a control signal and adjusts a duty cycle of the control signal according to a voltage of the capacitor.

    Abstract translation: 提供一种适于控制用于稳定电力转换电路的输出的功率转换电路的控制电路。 控制电路包括电容器,充电单元,放电单元,反馈控制单元和占空比调节单元。 充电单元具有耦合到电容器的用于对电容器充电的第一电流源。 放电单元耦合到用于放电电容器的电容器。 反馈控制单元控制充电单元根据表示功率转换电路的输出的反馈信号对电容器充电。 占空比调整单元生成控制信号,根据电容器的电压来调整控制信号的占空比。

    CONTROLLER AND CONVERTING CONTROLLER WITH MULTI-FUNCTION PIN
    63.
    发明申请
    CONTROLLER AND CONVERTING CONTROLLER WITH MULTI-FUNCTION PIN 有权
    控制器和转换控制器与多功能PIN

    公开(公告)号:US20130271097A1

    公开(公告)日:2013-10-17

    申请号:US13585811

    申请日:2012-08-14

    Abstract: A controller with a multi-function pin, adapted to control a converting circuit according to a control signal for converting an input voltage into an output voltage, is disclosed. The controller has the multi-function pin, an enable unit, an over-current detecting unit and a logic control unit. The enable unit is coupled to the multi-function pin for receiving an enable signal and activates the controller in response to the enable signal. The over-current detecting is coupled to the multi-function pin and determines an over-current value according to an over-current set resistance coupled between the multi-function pin and a voltage source. The over-current detecting unit generates an over-current protection signal according to the over-current value and a current flowing through the converting circuit. The logic control unit determines whether executing an over-current protection according to the over-current protection signal.

    Abstract translation: 公开了一种具有多功能引脚的控制器,其适于根据用于将输入电压转换为输出电压的控制信号来控制转换电路。 控制器具有多功能引脚,使能单元,过流检测单元和逻辑控制单元。 使能单元耦合到多功能引脚,用于接收使能信号,并响应于使能信号激活控制器。 过电流检测耦合到多功能引脚,并根据耦合在多功能引脚和电压源之间的过电流设定电阻确定过电流值。 过流检测单元根据过电流值和流过转换电路的电流产生过电流保护信号。 逻辑控制单元根据过电流保护信号判定是否执行过电流保护。

    Battery voltage balance apparatus and battery charge apparatus
    64.
    发明授权
    Battery voltage balance apparatus and battery charge apparatus 有权
    电池电压平衡装置和电池充电装置

    公开(公告)号:US08384352B2

    公开(公告)日:2013-02-26

    申请号:US12906142

    申请日:2010-10-18

    CPC classification number: H01M10/44 H01M10/4207 H02J7/0016

    Abstract: In the related art, the measurement error due to the internal resistance of the battery is not considered in the battery balance method, such that the battery balance is not accurate, or the battery balance process is frequently started and stopped. In exemplary embodiments of the invention, detecting battery voltage and balancing battery voltage are performed in different time, such that the difference of charge current/discharge current among the batteries due to the battery voltage balance process do not affect the battery voltage detecting.

    Abstract translation: 在现有技术中,在电池平衡方法中没有考虑由于电池的内部电阻引起的测量误差,使得电池平衡不准确,或者电池平衡过程频繁地开始和停止。 在本发明的示例性实施例中,在不同的时间内执行检测电池电压和平衡电池电压,使得由于电池电压平衡处理而导致的电池之间的充电电流/放电电流的差异不影响电池电压检测。

    Controller and LED driving circuit with protection function
    65.
    发明申请
    Controller and LED driving circuit with protection function 有权
    控制器和LED驱动电路具有保护功能

    公开(公告)号:US20120242249A1

    公开(公告)日:2012-09-27

    申请号:US13354295

    申请日:2012-01-19

    CPC classification number: H05B33/0884 H03K17/0822 H05B33/089 Y02B20/341

    Abstract: A controller with protection function, for controlling a transistor having a control terminal, a first terminal coupled to a load, a second terminal, is disclosed. The controller comprises a judgment unit and a current control unit. The judgment unit is coupled to the transistor and generates a current reducing signal when a potential of the first terminal of the transistor or a voltage difference between the first terminal and the second terminal of the transistor is higher than a preset value. The current control unit is coupled to the control terminal of the transistor for substantially stabilizing the current flowing through the transistor at a preset current value, and reduces the current flowing from the preset current value when receiving the current reducing signal.

    Abstract translation: 公开了一种具有保护功能的控制器,用于控制具有控制端子的晶体管,耦合到负载的第一端子,第二端子。 控制器包括判断单元和电流控制单元。 当晶体管的第一端子的电位或晶体管的第一端子和第二端子之间的电压差高于预设值时,判断单元耦合到晶体管并产生电流减小信号。 电流控制单元耦合到晶体管的控制端子,用于基本稳定以预设电流值流过晶体管的电流,并且当接收电流降低信号时,减小从预置电流值流出的电流。

    Converting circuit and controller for controlling the same
    66.
    发明授权
    Converting circuit and controller for controlling the same 有权
    转换电路和控制器进行控制

    公开(公告)号:US08253403B2

    公开(公告)日:2012-08-28

    申请号:US12623450

    申请日:2009-11-23

    CPC classification number: H02M3/158 H02M1/44 H02M2001/322

    Abstract: The present invention uses a discharge path to release the power stored in an output capacitor of a converting circuit when the time interval between two adjacent switching thereof is too long and may generate noises whose frequencies can be sensed by human ears. Hence, the present invention can keep the operating frequency of the converting circuit higher than a predetermined frequency and reduce the audio noise of the converting circuit.

    Abstract translation: 本发明使用放电路径来释放存储在转换电路的输出电容器中的电力,当它们的两个相邻开关之间的时间间隔太长时,并且可能产生其人耳可感测频率的噪声。 因此,本发明可以将转换电路的工作频率保持为高于预定频率,并降低转换电路的音频噪声。

    FEEDBACK CONTROL CIRCUIT AND LED DRIVING CIRCUIT
    67.
    发明申请
    FEEDBACK CONTROL CIRCUIT AND LED DRIVING CIRCUIT 有权
    反馈控制电路和LED驱动电路

    公开(公告)号:US20120112645A1

    公开(公告)日:2012-05-10

    申请号:US13218405

    申请日:2011-08-25

    CPC classification number: H05B33/0818 H05B33/0824 H05B33/0827 Y02B20/346

    Abstract: The present invention provides a feedback control circuit and an LED driving circuit for using the same, wherein the feedback control circuit receives a dimming signal. The dimming signal is changed between a first state and a second state. When being in the first state, the feedback control circuit controls a converter circuit to drive the LED module for lighting stably. When being in the second state, the feedback control circuit controls the converter circuit to maintain the power conversion of the converter circuit to have an output voltage outputted by the converter circuit maintained at a level close to a lighting threshold voltage of the LED module.

    Abstract translation: 本发明提供一种反馈控制电路和使用该反馈控制电路的LED驱动电路,其中反馈控制电路接收调光信号。 调光信号在第一状态和第二状态之间改变。 当处于第一状态时,反馈控制电路控制转换器电路以驱动LED模块以稳定点亮。 当处于第二状态时,反馈控制电路控制转换器电路以维持转换器电路的功率转换,使转换器电路输出的输出电压保持在接近LED模块的点亮阈值电压的水平。

    Power converting circuit and controller thereof
    68.
    发明授权
    Power converting circuit and controller thereof 有权
    电力转换电路及其控制器

    公开(公告)号:US08138685B2

    公开(公告)日:2012-03-20

    申请号:US12539624

    申请日:2009-08-12

    CPC classification number: H02M1/36 H05B33/0887 H05B41/2983 Y10S315/05

    Abstract: A controller which receives electric power required for operating through a driving voltage terminal and controls a converting circuit to convert an input voltage into an output voltage is provided. The controller is latched to stop providing a part or all of functions until the input voltage is removed. Therefore, the issues of the converting circuit in related arts in shortened life-span and safety of users due to can be avoided in the present invention.

    Abstract translation: 提供一种控制器,其接收通过驱动电压端子操作所需的电力并控制转换电路将输入电压转换为输出电压。 控制器被锁定以停止提供部分或全部功能,直到输入电压被去除。 因此,在本发明中可以避免相关技术中的转换电路在缩短使用寿命和安全性方面的问题。

    TRANSISTOR MODULE AND TRANSISTOR DRIVING MODULE
    69.
    发明申请
    TRANSISTOR MODULE AND TRANSISTOR DRIVING MODULE 有权
    晶体管模块和晶体管驱动模块

    公开(公告)号:US20120038391A1

    公开(公告)日:2012-02-16

    申请号:US13092142

    申请日:2011-04-21

    CPC classification number: H02H7/122

    Abstract: The present invention discloses a transistor driving module, coupling to a converting controller, to driving a high side transistor and a low side transistor connected in series, wherein one end of the high side transistor is coupled to an input voltage and one end of the low side transistor is grounded. The transistor driving module comprises a high side driving unit, a low side driving unit, a current limiting unit and an anti-short through unit. The high side driving unit generates a high side driving signal to turn the high side transistor on according to a duty cycle signal, and the low side driving unit generates a low side driving signal turn the low side transistor on according to the high side driving signal. The current limiting unit is coupled to the high side transistor and the high side driving unit, and generates a current limiting signal when a current flowing through the high side transistor higher than a current limiting value. The high side driving unit is stopped to generate the high side driving signal when receiving the current limiting value. The anti-short through unit is coupled to the high side driving unit and the low side driving unit to control the generations of the high side driving signal and the low side driving signal to have the timings of the high side driving signal and the low side driving signal non-overlapped.

    Abstract translation: 本发明公开了一种与转换控制器耦合以驱动串联连接的高侧晶体管和低侧晶体管的晶体管驱动模块,其中高侧晶体管的一端耦合到输入电压,低端的一端 侧晶体管接地。 晶体管驱动模块包括高侧驱动单元,低侧驱动单元,限流单元和防短路单元。 高侧驱动单元产生高侧驱动信号,以根据占空比信号使高侧晶体管导通,低边驱动单元产生低侧驱动信号,根据高侧驱动信号使低侧晶体管导通 。 电流限制单元耦合到高侧晶体管和高侧驱动单元,并且当流过高侧晶体管的电流高于电流限制值时,产生限流信号。 当接收到电流限制值时,高侧驱动单元被停止以产生高侧驱动信号。 防短路单元耦合到高侧驱动单元和低侧驱动单元,以控制高侧驱动信号和低侧驱动信号的代,以具有高侧驱动信号和低侧的定时 驾驶信号不重叠。

    LED CURRENT CONTROL CIRCUIT, CURRENT BALANCER AND DRIVING APPARATUS
    70.
    发明申请
    LED CURRENT CONTROL CIRCUIT, CURRENT BALANCER AND DRIVING APPARATUS 有权
    LED电流控制电路,电流平衡和驱动装置

    公开(公告)号:US20110109231A1

    公开(公告)日:2011-05-12

    申请号:US12826699

    申请日:2010-06-30

    CPC classification number: H05B33/0887 H05B33/0827 H05B33/0866 Y02B20/341

    Abstract: An LED current control circuit including a current adjusting unit, a detecting unit, and a current control unit is provided. The current adjusting unit has a current control end coupled to an LED string for determining an amount of current flowing through the LED string according to a current control signal. The detecting unit detects the current control end and determines whether to generate a protecting signal according to a protecting voltage value. The current control unit generates the current control signal to control the amount of current flowing through the LED string of and determines whether to stop the current flowing through the LED string according to the protecting signal.

    Abstract translation: 提供了包括电流调节单元,检测单元和电流控制单元的LED电流控制电路。 电流调节单元具有耦合到LED串的电流控制端,用于根据电流控制信号确定流过LED串的电流量。 检测单元检测电流控制端,并根据保护电压值确定是否产生保护信号。 电流控制单元产生电流控制信号以控制流过LED串的电流量,并根据保护信号确定是否停止流经LED串的电流。

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