公开(公告)号：US20100315016A1

公开(公告)日：2010-12-16

申请号：US12864803

申请日：2009-01-28

Applicant: Gian Hoogzaad

Inventor： Gian Hoogzaad

IPC: H05B37/02

CPC classification number: H05B37/02 ,  H05B33/0818 ,  H05B33/083 ,  Y02B20/347

Abstract: The invention provides a method for regulating a LED current (ILED) flowing through a LED circuit arrangement at a mean LED current level. The method includes establishing an oscillating converter current(IL), establishing a first and a second current control indicator representative of a flow of a converter current (IL); regulating a peak and valley current level of the converter current in dependence on the first current control indicator; controlling a converter current period (T) of an oscillation of the converter current in dependence on the second current control indicator to be within a period control range (Tref) and feeding at least part of the converter current to the LED circuit arrangement. The invention also provides a circuit arrangement for regulating a LED current using the method, a LED driver IC using the circuit arrangement, a circuit composition with at least one LED and the circuit arrangement, and a lighting system with the circuit composition.

Abstract translation: 本发明提供一种用于调节以平均LED电流水平流过LED电路装置的LED电流（ILED）的方法。 该方法包括建立振荡转换器电流（IL），建立表示转换器电流（IL）的流动的第一和第二电流控制指示符; 根据第一电流控制指示器调节转换器电流的峰谷电流电平; 根据第二电流控制指示器将转换器电流的振荡的转换器电流周期（T）控制在周期控制范围（Tref）内，并将至少部分转换器电流馈送到LED电路装置。 本发明还提供一种用于使用该方法调节LED电流的电路装置，使用电路装置的LED驱动器IC，具有至少一个LED的电路组合和电路装置，以及具有电路组成的照明系统。

公开(公告)号：US20100052569A1

公开(公告)日：2010-03-04

申请号：US12517247

申请日：2007-11-29

Applicant: Gian Hoogzaad ,  Frans Pansier

Inventor： Gian Hoogzaad ,  Frans Pansier

IPC: H05B41/36

CPC classification number: H05B33/0815 ,  H05B33/0818 ,  H05B33/0824 ,  H05B33/0851 ,  H05B37/02

Abstract: The present invention relates to an electronic device for driving a light emitting diode, which includes a switch (Ts) being adapted to switch a switch-mode power converter, and controlling means (CNTL) being adapted for controlling the switch (Ts) in response to a sensing value (Vs) indicative of a current of the switch-mode power converter and for controlling by the switch (Ts) the output voltage of the switched power converter and a current (Iout) through the light emitting diode.

Abstract translation: 本发明涉及一种用于驱动发光二极管的电子设备，其包括适于切换开关模式功率转换器的开关（Ts），以及适于响应于控制开关（Ts）的控制装置（CNTL） 到表示开关模式功率转换器的电流的感测值（Vs），并且用于通过开关（Ts）控制切换的功率转换器的输出电压和通过发光二极管的电流（Iout）。

公开(公告)号：US20100019693A1

公开(公告)日：2010-01-28

申请号：US12517275

申请日：2007-12-03

Applicant: Gian Hoogzaad ,  Antonius M. G. Mobers

Inventor： Gian Hoogzaad ,  Antonius M. G. Mobers

IPC: H05B41/36

CPC classification number: H05B33/086 ,  H05B33/0815 ,  H05B33/0827 ,  Y02B20/347

Abstract: The present invention relates to an electronic device for driving a light emitting semiconductor device, which includes controlling means (CNTL) being adapted for controlling a switch mode power supply for supplying the light emitting semiconductor device in response to a sensing value received by the controlling means which is indicative of a voltage across a current source for determining a current through the light emitting semiconductor device, wherein the switch-mode power supply is controlled such that the voltage across the current source is minimum.

Abstract translation: 本发明涉及一种用于驱动发光半导体器件的电子设备，其包括控制装置（CNTL），该控制装置（CNTL）用于响应于由控制装置接收的感测值来控制用于提供发光半导体器件的开关模式电源 其指示用于确定通过发光半导体器件的电流的电流源上的电压，其中控制开关模式电源，使得电流源两端的电压最小。

公开(公告)号：US08786208B2

公开(公告)日：2014-07-22

申请号：US13546110

申请日：2012-07-11

Applicant: Gian Hoogzaad ,  Frans Pansier

Inventor： Gian Hoogzaad ,  Frans Pansier

IPC: H05B37/02

CPC classification number: H05B33/0815 ,  H05B33/0818 ,  H05B33/0824 ,  H05B33/0851 ,  H05B37/02

Abstract: The present invention relates to an electronic device for driving a light emitting diode, which includes a switch (Ts) being adapted to switch a switch-mode power converter, and controlling means (CNTL) being adapted for controlling the switch (Ts) in response to a sensing value (Vs) indicative of a current of the switch-mode power converter and for controlling by the switch (Ts) the output voltage of the switched power converter and a current (Iout) through the light emitting diode.

Abstract translation: 本发明涉及一种用于驱动发光二极管的电子设备，其包括适于切换开关模式功率转换器的开关（Ts），以及适于响应于控制开关（Ts）的控制装置（CNTL） 到表示开关模式功率转换器的电流的感测值（Vs），并且用于通过开关（Ts）控制切换的功率转换器的输出电压和通过发光二极管的电流（Iout）。

公开(公告)号：US08723441B2

公开(公告)日：2014-05-13

申请号：US13544854

申请日：2012-07-09

Applicant: Gian Hoogzaad

Inventor： Gian Hoogzaad

IPC: G05F1/00 ,  H05B37/02 ,  H05B39/04 ,  H05B41/36

CPC classification number: H05B37/02 ,  H05B33/0818 ,  H05B33/083 ,  Y02B20/347

Abstract: Consistent with an example embodiment, there is a method for regulating a LED current (ILED) flowing through a LED circuit arrangement at a mean LED current level. The method includes establishing an oscillating converter current (IL), establishing a first and a second current control indicator representative of a flow of a converter current (IL); regulating a peak and valley current level of the converter current in dependence on the first current control indicator; controlling a converter current period (T) of an oscillation of the converter current in dependence on the second current control indicator to be within a period control range (Tref) and feeding at least part of the converter current to the LED circuit arrangement.

Abstract translation: 与示例性实施例一致，存在一种用于调节以平均LED电流水平流过LED电路布置的LED电流（ILED）的方法。 该方法包括建立振荡转换器电流（IL），建立表示转换器电流（IL）的流动的第一和第二电流控制指示符; 根据第一电流控制指示器调节转换器电流的峰谷电流电平; 根据第二电流控制指示器将转换器电流的振荡的转换器电流周期（T）控制在周期控制范围（Tref）内，并将至少部分转换器电流馈送到LED电路装置。

公开(公告)号：US08680834B2

公开(公告)日：2014-03-25

申请号：US13043127

申请日：2011-03-08

Applicant: Gian Hoogzaad

Inventor： Gian Hoogzaad

IPC: G05F1/40

CPC classification number: H02M3/156 ,  H02M3/158

Abstract: A method is disclosed for controlling a DC-DC switched-mode power converter comprising a switch, the method comprising, while controlling the switch by a main control loop: detecting a step in a load on the switched-mode power converter; generating a signal in response to the detector detecting a step in the load, and switching the switch in response to the signal. Advantageously, the method may avoid a delay (such as waiting for a subsequent oscillator pulse) which might otherwise occur before switching the switch, to react to the transient. The faster response may result in a reduction of the transient current from the converter, which may facilitate the use of smaller and cheaper components.A controller configured to operate such a method is also disclosed.

Abstract translation: 公开了一种用于控制包括开关的DC-DC开关模式功率转换器的方法，所述方法包括：通过主控制回路控制所述开关;检测所述开关模式功率转换器的负载中的步长; 响应于所述检测器检测到所述负载中的步长而产生信号，以及响应于所述信号切换所述开关。 有利地，该方法可以避免在切换开关之前可能发生的延迟（例如等待随后的振荡器脉冲），以对瞬态做出反应。 更快的响应可能导致来自转换器的瞬态电流的减小，这可以有助于使用更小和更便宜的组件。 还公开了一种用于操作这种方法的控制器。

公开(公告)号：US08373346B2

公开(公告)日：2013-02-12

申请号：US12672012

申请日：2008-07-30

Applicant: Gian Hoogzaad ,  Franciscus A. C. M. Schoofs

Inventor： Gian Hoogzaad ,  Franciscus A. C. M. Schoofs

IPC: H05B37/00

CPC classification number: G09G3/342 ,  G09G2330/021 ,  H05B33/0815 ,  H05B33/0818 ,  H05B33/0827

Abstract: The present invention relates to a solid state lighting system comprising at least one light emitting semiconductor device, at least one driver for driving a predetermined current through the at least one light emitting semiconductor device. The lighting system furthermore comprises a first voltage supplying unit coupled to provide a first supply voltage to a first side of the at least one light emitting semiconductor device, and a second voltage supplying unit coupled to provide a second supply voltage for the at least one light emitting semiconductor device. The first and the second supply voltages are selected to optimize the voltage drop across the at least one light emitting semiconductor device.

Abstract translation: 本发明涉及一种固态照明系统，其包括至少一个发光半导体器件，至少一个用于驱动通过至少一个发光半导体器件的预定电流的驱动器。 所述照明系统还包括第一电压供应单元，其被耦合以向所述至少一个发光半导体器件的第一侧提供第一电源电压;以及第二电压供应单元，其耦合以为所述至少一个光提供第二电源电压 发光半导体器件。 选择第一和第二电源电压以优化跨至少一个发光半导体器件的电压降。

公开(公告)号：US08319449B2

公开(公告)日：2012-11-27

申请号：US12517275

申请日：2007-12-03

Applicant: Gian Hoogzaad ,  Antonius M. G. Mobers

Inventor： Gian Hoogzaad ,  Antonius M. G. Mobers

IPC: H05B37/02 ,  G09F3/32

CPC classification number: H05B33/086 ,  H05B33/0815 ,  H05B33/0827 ,  Y02B20/347

Abstract: The present invention relates to an electronic device for driving a light emitting semiconductor device, which includes controlling means (CNTL) being adapted for controlling a switch mode power supply for supplying the light emitting semiconductor device in response to a sensing value received by the controlling means which is indicative of a voltage across a current source for determining a current through the light emitting semiconductor device, wherein the switch-mode power supply is controlled such that the voltage across the current source is minimum.

Abstract translation: 本发明涉及一种用于驱动发光半导体器件的电子设备，其包括控制装置（CNTL），该控制装置（CNTL）用于响应于由控制装置接收的感测值来控制用于提供发光半导体器件的开关模式电源 其指示用于确定通过发光半导体器件的电流的电流源上的电压，其中控制开关模式电源，使得电流源两端的电压最小。

公开(公告)号：US08278831B2

公开(公告)日：2012-10-02

申请号：US12864740

申请日：2009-01-27

Applicant: Gian Hoogzaad ,  Hans Schmitz ,  Wilhelmus H. M. Langeslag ,  Radu Surdeanu

Inventor： Gian Hoogzaad ,  Hans Schmitz ,  Wilhelmus H. M. Langeslag ,  Radu Surdeanu

IPC: H05B37/02 ,  H05B39/04 ,  H05B41/36

CPC classification number: H05B33/0818 ,  G01K7/01

Abstract: A driver circuit (10) for a light emitting diode comprises a first driver circuit (32, 32′, 32′) for generating a first current output for driving the light emitting diode, wherein the first driver circuit has a control switch for interrupting the supply of the first current output. A second driver circuit (50) is for generating a second current output for driving the light emitting diode, and the second driver circuit also has a control switch for interrupting the supply of the second current output. The overall output of the driver circuit comprises a pulse width modulated output current which alternates between a high current (Ihigh) generated by the first driver circuit and a low current (Ilow) generated by the second driver circuit. By providing separate driver circuits for two different current requirements, the circuits can be optimised for each function. For example the high current value can comprise an LED operation current, and the low current value can comprise a non-zero measurement current.

Abstract translation: 用于发光二极管的驱动电路（10）包括用于产生用于驱动发光二极管的第一电流输出的第一驱动电路（32,32'，32'），其中第一驱动电路具有用于中断 提供第一个电流输出。 第二驱动电路（50）用于产生用于驱动发光二极管的第二电流输出，并且第二驱动电路还具有用于中断第二电流输出的供给的控制开关。 驱动电路的总体输出包括在由第一驱动电路产生的高电流（Ihigh）和由第二驱动电路产生的低电流（I low）之间交替的脉宽调制输出电流。 通过为两种不同的电流要求提供单独的驱动电路，可以针对每个功能优化电路。 例如，高电流值可以包括LED操作电流，并且低电流值可以包括非零测量电流。

公开(公告)号：US20120001570A1

公开(公告)日：2012-01-05

申请号：US13257266

申请日：2010-02-25

Applicant: Peter Hubertus Franciscus Deurenberg ,  Gert-Jan Koolen ,  Gian Hoogzaad ,  Radu Surdeanu ,  Pascal Bancken ,  Benoit Bataillou ,  Viet Nguyen Hoang

Inventor： Peter Hubertus Franciscus Deurenberg ,  Gert-Jan Koolen ,  Gian Hoogzaad ,  Radu Surdeanu ,  Pascal Bancken ,  Benoit Bataillou ,  Viet Nguyen Hoang

IPC: H05B37/02

CPC classification number: H05B33/086 ,  H05B33/0815 ,  H05B33/0848

Abstract: A method is disclosed of controlling a LED, comprising driving the LED with a DC current for a first time, interrupting the DC current for a second time such that the first time and the second time sum to a period, determining at least one characteristic of the LED whilst the DC current is interrupted, and controlling the DC current during a subsequent period in dependence on the at least one characteristic. The invention thus benefits from the simplicity of DC operation. By operating at the LED in a DC mode, rather than say in a PWM mode, the requirement to be able to adjust the duty cycle is avoided. By including interruptions to the DC current, it is possible to utilise the LED itself to act as a sensor in order to determine a characteristic of the LED. The need for additional sensors is thereby avoided.

Abstract translation: 公开了一种控制LED的方法，包括第一次用DC电流驱动LED，第二次中断DC电流，使得第一时间和第二时间总和到一个周期，确定至少一个特性 所述LED在DC电流中断期间，并且根据所述至少一个特性在随后的时段期间控制所述DC电流。 因此，本发明由于DC操作的简单性而受益。 通过在DC模式下操作LED，而不是在PWM模式下说明，可以避免能够调整占空比的要求。 通过包含直流电流的中断，可以利用LED本身作为传感器，以便确定LED的特性。 从而避免了对附加传感器的需要。