Battery charging controller and battery balance charging controller
    31.
    发明申请
    Battery charging controller and battery balance charging controller 有权
    电池充电控制器和电池充电控制器

    公开(公告)号:US20100141209A1

    公开(公告)日:2010-06-10

    申请号:US12453284

    申请日:2009-05-06

    CPC classification number: H02J7/0016

    Abstract: The present invention discloses a battery charging controller for balancing the charged batteries. The battery charging controller comprises a battery reference voltage generator, a voltage balancing module and a balance judging circuit. The battery charging controller determines which one has the lower voltage between battery units of a battery module according to reference voltages generated by the battery reference voltage generator. The voltage balancing module controlled by the balance judging circuit allows the charging current of the lower-voltage battery larger than the charging current of the higher-voltage battery in such that the final voltages of the battery units are substantially equaled when they are completely saturated.

    Abstract translation: 本发明公开了一种用于平衡充电的电池的电池充电控制器。 电池充电控制器包括电池参考电压发生器,电压平衡模块和平衡判定电路。 电池充电控制器根据由电池参考电压发生器产生的参考电压来确定哪个电池在电池模块的电池单元之间具有较低的电压。 由平衡判断电路控制的电压平衡模块允许低电压电池的充电电流大于高电压电池的充电电流,使得当电池单元完全饱和时,电池单元的最终电压基本相等。

    Variable gain device
    32.
    发明授权
    Variable gain device 有权
    可变增益器件

    公开(公告)号:US07286014B2

    公开(公告)日:2007-10-23

    申请号:US11308019

    申请日:2006-03-03

    Abstract: A variable gain device having higher linearity and wider gain range is provided. The variable gain device includes a transduction unit for generating an output current, a control unit for adjusting the current gain of the gain amplifying unit according to a gain control signal, a gain amplifying unit receiving the current signal and generating a gain adjustable current according to the current gain of the control unit, an output DC level control unit controlling the DC level of the output signal of the variable gain device, and an output unit generating an output signal according to the signals output by the output DC level control unit and the gain amplifying unit.

    Abstract translation: 提供具有更高线性度和更宽增益范围的可变增益器件。 可变增益装置包括用于产生输出电流的转换单元,用于根据增益控制信号调整增益放大单元的电流增益的控制单元,接收当前信号的增益放大单元,并根据 控制单元的当前增益,控制可变增益装置的输出信号的直流电平的输出直流电平控制单元和根据由输出直流电平控制单元输出的信号产生输出信号的输出单元, 增益放大器。

    Controller and LED driving circuit with protection function
    35.
    发明授权
    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:US08872441B2

    公开(公告)日:2014-10-28

    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。

    Resonant converting circuit and resonant controller
    36.
    发明授权
    Resonant converting circuit and resonant controller 有权
    谐振转换电路和谐振控制器

    公开(公告)号:US08824176B2

    公开(公告)日:2014-09-02

    申请号:US13412636

    申请日:2012-03-06

    Abstract: The resonant converting circuit comprises a resonant circuit, a current detecting circuit and the resonant controller. The resonant controller controls a power conversion of the resonant circuit for converting an input voltage into an output voltage and the resonant controller comprises an over current judgment unit and an over current protection unit. The over current judgment unit determines whether the resonant current is higher than an over current value according to a current detecting signal generated by the current detecting circuit. The over current protection unit generates a protection signal in response to a determined result of the over current judgment unit and an indication signal indicative of an operating state of the resonant controller. The resonant controller executes a corresponding protecting process in response to the protection signal.

    Abstract translation: 谐振转换电路包括谐振电路,电流检测电路和谐振控制器。 谐振控制器控制用于将输入电压转换为输出电压的谐振电路的功率转换,并且谐振控制器包括过电流判断单元和过电流保护单元。 过电流判断单元根据由电流检测电路产生的电流检测信号来判定谐振电流是否高于过电流值。 过电流保护单元响应于过电流判断单元的确定结果和表示谐振控制器的工作状态的指示信号产生保护信号。 谐振控制器响应于保护信号执行相应的保护处理。

    LED driving circuit
    37.
    发明授权
    LED driving circuit 有权
    LED驱动电路

    公开(公告)号:US08823280B2

    公开(公告)日:2014-09-02

    申请号:US13567101

    申请日:2012-08-06

    CPC classification number: H05B33/0827 Y02B20/341

    Abstract: An LED driving circuit comprises a converting circuit, a current regulator, a converting controller and a low dimming protection blocking circuit, is disclosed. The converting circuit is adapted to perform a power conversion to provide a driving voltage for lighting an LED module. The current regulator is coupled to the LED module for regulating a current flowing through the LED module. The current regulator conducts and stops conducting the current flowing through the LED module according to a dimming signal, and executes a protection process when the LED module operates abnormal. The converting controller controls the power conversion of the converting circuit according to a voltage level of at least one connection node of the current regulator and the LED module. The low dimming protection blocking circuit stops the protection process of the current regulator when the driving voltage is lower than a predetermined value.

    Abstract translation: LED驱动电路包括转换电路,电流调节器,转换控制器和低调光保护阻断电路。 转换电路适于执行功率转换以提供用于点亮LED模块的驱动电压。 电流调节器耦合到LED模块,用于调节流过LED模块的电流。 电流调节器根据调光信号进行并停止导通LED模块的电流,并在LED模块运行异常时执行保护过程。 转换控制器根据电流调节器和LED模块的至少一个连接节点的电压电平来控制转换电路的功率转换。 当驱动电压低于预定值时,低调光保护阻断电路停止电流调节器的保护处理。

    Feedback control circuit and LED driving circuit
    38.
    发明授权
    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:US08664893B2

    公开(公告)日:2014-03-04

    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。

    LED Driving Circuit
    39.
    发明申请
    LED Driving Circuit 有权
    LED驱动电路

    公开(公告)号:US20130271006A1

    公开(公告)日:2013-10-17

    申请号:US13567101

    申请日:2012-08-06

    CPC classification number: H05B33/0827 Y02B20/341

    Abstract: An LED driving circuit comprises a converting circuit, a current regulator, a converting controller and a low dimming protection blocking circuit, is disclosed. The converting circuit is adapted to perform a power conversion to provide a driving voltage for lighting an LED module. The current regulator is coupled to the LED module for regulating a current flowing through the LED module. The current regulator conducts and stops conducting the current flowing through the LED module according to a dimming signal, and executes a protection process when the LED module operates abnormal. The converting controller controls the power conversion of the converting circuit according to a voltage level of at least one connection node of the current regulator and the LED module. The low dimming protection blocking circuit stops the protection process of the current regulator when the driving voltage is lower than a predetermined value.

    Abstract translation: LED驱动电路包括转换电路,电流调节器,转换控制器和低调光保护阻断电路。 转换电路适于执行功率转换以提供用于点亮LED模块的驱动电压。 电流调节器耦合到LED模块,用于调节流过LED模块的电流。 电流调节器根据调光信号进行并停止导通LED模块的电流,并在LED模块运行异常时执行保护过程。 转换控制器根据电流调节器和LED模块的至少一个连接节点的电压电平来控制转换电路的功率转换。 当驱动电压低于预定值时,低调光保护阻断电路停止电流调节器的保护处理。

    LED driving circuit
    40.
    发明授权
    LED driving circuit 有权
    LED驱动电路

    公开(公告)号:US08446098B2

    公开(公告)日:2013-05-21

    申请号:US13244653

    申请日:2011-09-25

    CPC classification number: H05B33/0815 H05B33/0827

    Abstract: An LED driving circuit includes a first and a second LED modules, a first and a second switching converters, an extreme voltage detecting and selecting circuit, a current balance circuit and a controller. The first switching converter transforms electric power of an input power supply into a first output voltage for lighting the first LED module. The second switching converter transforms electric power of the input power supply into a second output voltage for lighting the second LED module. The current balance circuit balances the currents flowing through the first and the second LED modules. The extreme voltage detecting and selecting circuit detects the first and the second LED modules and selects to output one of detecting results. The controller controls the transforming of the first switching converter and the second switching converter to light the first and the second LED modules in response to the outputted detecting result.

    Abstract translation: LED驱动电路包括第一和第二LED模块,第一和第二开关转换器,极值电压检测和选择电路,电流平衡电路和控制器。 第一开关转换器将输入电源的电力变换为第一输出电压以点亮第一LED模块。 第二开关转换器将输入电源的电力转换成用于照亮第二LED模块的第二输出电压。 电流平衡电路平衡流经第一和第二LED模块的电流。 极端电压检测和选择电路检测第一和第二LED模块,并选择输出检测结果之一。 控制器控制第一开关转换器和第二开关转换器的变换,以响应于输出的检测结果点亮第一和第二LED模块。

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