公开(公告)号：US20080094120A1

公开(公告)日：2008-04-24

申请号：US11906368

申请日：2007-10-01

Applicant: Rosario Scollo ,  Massimo Nania

Inventor： Rosario Scollo ,  Massimo Nania

IPC: H03K17/04

CPC classification number: H03K17/567 ,  H03K17/0412

Abstract: An embodiment of the invention relates to a driving circuit for an emitter-switching configuration of transistors having at least one first and one second control terminal connected to the driving circuit to form a controlled emitter-switching device having in turn respective collector, source and gate terminals. Advantageously the driving circuit comprises at least one IGBT device inserted between the collector terminal and a first end of a capacitor, whose second end is connected to the first control terminal, the IGBT device having in turn a third control terminal connected, through a first resistive element, to the gate terminal, as well as a second resistive element inserted between the gate terminal and the second control terminal. Advantageously, the driving circuit further comprises an additional supply inserted between the first and second ends of the capacitor to ensure its correct biasing.

Abstract translation: 本发明的一个实施例涉及一种用于晶体管的发射极 - 开关配置的驱动电路，其具有连接到驱动电路的至少一个第一和第二控制端，以形成受控的发射极开关器件，其具有依次分别的集电极，源极和栅极 终端。 有利地，驱动电路包括插入在集电极端子和电容器的第一端之间的至少一个IGBT器件，其第二端连接到第一控制端子，所述IGBT器件依次通过第一电阻器连接第三控制端子 元件，到栅极端子，以及插入在栅极端子和第二控制端子之间的第二电阻元件。 有利地，驱动电路还包括插入在电容器的第一和第二端之间的附加电源，以确保其正确的偏置。

公开(公告)号：US20070132437A1

公开(公告)日：2007-06-14

申请号：US11601460

申请日：2006-11-17

Applicant: Rosario Scollo ,  Santina Leo

Inventor： Rosario Scollo ,  Santina Leo

IPC: G05F1/00

CPC classification number: H02M1/4225 ,  H05B41/28 ,  Y02B70/126

Abstract: A method and system controls the power factor associated with a power supply line. The system includes a control circuit having a power factor control cell connected to the power supply line. The power factor control is performed by modulating the conduction time of a bipolar transistor in the control cell using the storage time of the bipolar transistor, and by regulating the modulation of the conduction time by feedback-driving a control terminal of the bipolar transistor.

Abstract translation: 方法和系统控制与电源线相关联的功率因数。 该系统包括具有连接到电源线的功率因数控制单元的控制电路。 通过使用双极晶体管的存储时间调制控制单元中的双极晶体管的导通时间，并且通过反馈驱动双极晶体管的控制端来调节导通时间的调制来执行功率因数控制。

公开(公告)号：US20060087261A1

公开(公告)日：2006-04-27

申请号：US11041519

申请日：2005-01-21

Applicant: Rosario Scollo ,  Marc Laudani ,  Antonino Gaito

Inventor： Rosario Scollo ,  Marc Laudani ,  Antonino Gaito

IPC: H05B41/36

CPC classification number: H02M1/4225 ,  G05F1/70 ,  Y02B70/126

Abstract: A method for controlling the power factor of a power supply line is described, the method using a power factor control cell connected to the power supply line. Advantageously according to the invention, the power factor control is performed by adjusting the turn-on and turn-off time of a bipolar transistor comprised in the power factor control cell. A cell for controlling the power factor of a power supply line is also described, of the type comprising a first and a second input terminals, a first and a second output terminals, the first input terminal being connected to the first output terminal by means of the series of an inductor and a diode, connected to each other in correspondence with an internal circuit node and the second input terminal and the second output terminal being connected to each other. Advantageously according to the invention, the control cell comprises a bipolar transistor inserted between the internal circuit node and the second input terminal and having a control terminal receiving a control signal derived from a signal having an elementary alternated trend.

Abstract translation: 描述了一种用于控制电源线的功率因数的方法，该方法使用连接到电源线的功率因数控制单元。 有利地，根据本发明，通过调整功率因数控制单元中包括的双极晶体管的接通和关断时间来执行功率因数控制。 还描述了用于控制电源线的功率因数的单元，其类型包括第一和第二输入端子，第一和第二输出端子，第一输入端子通过 与内部电路节点对应地连接的电感器和二极管的一系列，第二输入端子和第二输出端子彼此连接。 有利地，根据本发明，控制单元包括插入在内部电路节点和第二输入端子之间的双极晶体管，并且具有控制端子，其接收从具有基本交替趋势的信号导出的控制信号。

公开(公告)号：US06628090B1

公开(公告)日：2003-09-30

申请号：US10161060

申请日：2002-05-31

Applicant: Rosario Scollo

Inventor： Rosario Scollo

IPC: H05B3702

CPC classification number: H05B41/2825 ,  H05B41/2856 ,  Y10S315/05

Abstract: A resonant driving system for a fluorescent lamp having one end connected to a primary winding of a transformer. The driving system includes an inductor inserted between an input section of the resonant driving system and an internal circuit node that is connected to another end of the fluorescent lamp a converter inserted between the internal node and a voltage reference and comprising a first transistor and a second transistor of the complementary type, inserted, in series to each other, between the internal node and the voltage reference, and a control circuit connected to a secondary winding of the transformer and to the converter as well as to the control terminals of the first and second transistors of the converter, wherein the control circuit comprises an inductor connected to a resistor that is connected to the control terminals of the first and second transistors through a first and a second capacitor respectively.

Abstract translation: 一种用于荧光灯的谐振驱动系统，其一端连接到变压器的初级绕组。 所述驱动系统包括插入在所述谐振驱动系统的输入部分和内部电路节点之间的电感器，所述内部电路节点连接到插入在所述内部节点和电压基准之间的荧光灯的转换器的另一端，并且包括第一晶体管和第二晶体管 互补型晶体管，在内部节点和电压基准之间串联插入，以及连接到变压器的次级绕组和转换器的控制电路以及连接到第一和第二控制端子的控制端子 所述转换器的第二晶体管，其中所述控制电路包括连接到电阻器的电感器，所述电阻器分别通过第一和第二电容器连接到所述第一和第二晶体管的控制端子。

公开(公告)号：US07423890B2

公开(公告)日：2008-09-09

申请号：US10897380

申请日：2004-07-22

Applicant: Rosario Scollo ,  Giuseppe Consentino

Inventor： Rosario Scollo ,  Giuseppe Consentino

IPC: H02M3/335

CPC classification number: H02M3/3384 ,  H05B41/2821

Abstract: A push-pull converter has a transformer provided with a primary winding and a secondary winding. A capacitive element is connected between the input terminals of the primary winding, and two switch elements are arranged between a respective input terminal of the primary winding through an inductor and a supply input of the converter. The current-input terminals of the switch elements are connected to one another, and the current-output terminals of the switch elements are each connected to the respective input terminals of the primary winding. The switch elements are made up of NPN bipolar transistors connected in common-collector configuration. The push-pull converter is particularly suited for driving a cold-cathode fluorescent lamp.

Abstract translation: 推挽转换器具有设置有初级绕组和次级绕组的变压器。 电容元件连接在初级绕组的输入端子之间，并且两个开关元件通过电感器和转换器的电源输入端设置在初级绕组的相应输入端子之间。 开关元件的电流输入端子彼此连接，并且开关元件的电流输出端子各自连接到初级绕组的相应输入端子。 开关元件由以共集电极配置连接的NPN双极晶体管组成。 推挽转换器特别适用于驱动冷阴极荧光灯。

公开(公告)号：US20080180158A1

公开(公告)日：2008-07-31

申请号：US12022716

申请日：2008-01-30

Applicant: Rosario Scollo ,  Massimo Nania

Inventor： Rosario Scollo ,  Massimo Nania

IPC: H03K17/60

CPC classification number: H03K17/567 ,  H03K17/0406 ,  H03K17/06 ,  H03K17/662 ,  H03K17/6871

Abstract: A driving circuit for an emitter-switching configuration of transistors having first and second control terminals connected to the driving circuit, forms a controlled emitter-switching device having in turn respective collector, source and gate terminals. The driving circuit comprises a driving block coupled between the collector terminal and the source terminal of the controlled emitter-switching device and connected to the first control terminal of the emitter-switching configuration. Further advantageously, the driving block comprises at least one IGBT driving device coupled between the collector terminal and the first control terminal of the emitter-switching configuration and having, in turn, a third control terminal, as well as a driving bipolar transistor, coupled between the collector terminal and the first control terminal of the emitter-switching configuration for controlling a saturation condition of said bipolar transistor of said emitter-switching configuration maintaining a base-collector junction thereof at a voltage next to zero and having, in turn, a fourth control terminal.

Abstract translation: 用于具有连接到驱动电路的第一和第二控制端子的晶体管的发射极 - 开关配置的驱动电路形成受控的发射极开关器件，其依次具有集电极，源极和栅极端子。 驱动电路包括耦合在受控发射极开关器件的集电极端子和源极端子之间并连接到发射极开关配置的第一控制端子的驱动块。 进一步有利地，驱动块包括耦合在发射极 - 开关配置的集电极端子和第一控制端子之间的至少一个IGBT驱动器件，并且具有连接在第三控制端子之间的第三控制端子以及驱动双极晶体管 集电极端子和发射极开关配置的第一控制端子，用于控制所述发射极 - 开关配置的所述双极晶体管的饱和状态，将其基极集电极结保持在零下的电压，并且又具有第四 控制终端。

公开(公告)号：US07391198B2

公开(公告)日：2008-06-24

申请号：US11041519

申请日：2005-01-21

Applicant: Rosario Scollo ,  Marc Laudani ,  Antonino Gaito

Inventor： Rosario Scollo ,  Marc Laudani ,  Antonino Gaito

IPC: G05F1/40 ,  H05B37/00

CPC classification number: H02M1/4225 ,  G05F1/70 ,  Y02B70/126

Abstract: A method for controlling the power factor of a power supply line is described, the method using a power factor control cell connected to the power supply line. Advantageously according to the invention, the power factor control is performed by adjusting the turn-on and turn-off time of a bipolar transistor comprised in the power factor control cell. A cell for controlling the power factor of a power supply line is also described, of the type comprising a first and a second input terminals, a first and a second output terminals, the first input terminal being connected to the first output terminal by means of the series of an inductor and a diode, connected to each other in correspondence with an internal circuit node and the second input terminal and the second output terminal being connected to each other. Advantageously according to the invention, the control cell comprises a bipolar transistor inserted between the internal circuit node and the second input terminal and having a control terminal receiving a control signal derived from a signal having an elementary alternated trend.

Abstract translation: 描述了一种用于控制电源线的功率因数的方法，该方法使用连接到电源线的功率因数控制单元。 有利地，根据本发明，通过调整功率因数控制单元中包括的双极晶体管的接通和关断时间来执行功率因数控制。 还描述了用于控制电源线的功率因数的单元，其类型包括第一和第二输入端子，第一和第二输出端子，第一输入端子通过 与内部电路节点对应地连接的电感器和二极管的一系列，第二输入端子和第二输出端子彼此连接。 有利地，根据本发明，控制单元包括插入在内部电路节点和第二输入端子之间的双极晶体管，并且具有控制端子，其接收从具有基本交替趋势的信号导出的控制信号。

公开(公告)号：US07218164B2

公开(公告)日：2007-05-15

申请号：US11097442

申请日：2005-03-31

Applicant: Giovanni Vitale ,  Rosario Scollo ,  Simone Buonomo

Inventor： Giovanni Vitale ,  Rosario Scollo ,  Simone Buonomo

IPC: H03K17/04

CPC classification number: H03K17/14 ,  H03K17/0406

Abstract: A driving network for an emitter-switching circuit comprises a pair of cascode-configured transistors, the one of the bipolar type and the other of the MOS type, and the driving network is of the type comprising a driving block for respective conduction terminals and of said pair of transistors. The driving network (20, 30) further comprises sensor means in the driving block suitable for measuring a voltage to be compared with a reference value in a first comparator block. A negative feedback network between the output of the comparator and the driving block to provides a voltage value to said driving block to bias the conduction terminal of the bipolar transistor of the emitter-switching circuit in order to regulate the storage time thereof.

Abstract translation: 用于发射极开关电路的驱动网络包括一对共源共栅型晶体管，MOS晶体管为双极型，另一种为MOS型，驱动网络为包括用于各个导通端子的驱动块和 所述晶体管对。 驱动网络（20,30）还包括驱动块中的传感器装置，其适于测量与第一比较器块中的参考值进行比较的电压。 比较器的输出与驱动块之间的负反馈网络，以向所述驱动块提供电压值，以偏置发射极开关电路的双极晶体管的导通端，以便调节其存储时间。

公开(公告)号：US20050194623A1

公开(公告)日：2005-09-08

申请号：US11066610

申请日：2005-02-25

Applicant: Rosario Scollo ,  Simone Buonomo ,  Giovanni Vitale

Inventor： Rosario Scollo ,  Simone Buonomo ,  Giovanni Vitale

IPC: H01L31/113

CPC classification number: H03K17/603 ,  H03K17/567

Abstract: A drive circuit for an emitter switching configuration of transistors having a cascode connection of a power bipolar transistor and of a power MOS transistor control the saturation level of the configuration in applications which provide highly variable collector currents. The drive circuit includes a circuit operable to apply a varying voltage value to the control terminal of the bipolar transistor. A current/voltage converter senses a collector current flowing in the power bipolar transistor and controls conduction of a first transistor responsive thereto, the conduction of the first transistor controlling the conduction of a second transistor so as to vary the control terminal voltage in proportion to the sensed collector current of the power bipolar transistor.

Abstract translation: 具有功率双极晶体管和功率MOS晶体管的共源共栅连接的晶体管的发射极开关配置的驱动电路在提供高度可变的集电极电流的应用中控制该配置的饱和电平。 驱动电路包括可操作以将变化的电压值施加到双极晶体管的控制端的电路。 电流/电压转换器感测在功率双极晶体管中流动的集电极电流，并且响应于此控制第一晶体管的导通，第一晶体管的导通控制第二晶体管的导通，从而与控制端电压成比例地改变控制端电压 感测功率双极晶体管的集电极电流。

公开(公告)号：US20050088859A1

公开(公告)日：2005-04-28

申请号：US10897380

申请日：2004-07-22

Applicant: Rosario Scollo ,  Giuseppe Consentino

Inventor： Rosario Scollo ,  Giuseppe Consentino

IPC: H02M3/338 ,  H05B41/282 ,  H02M3/335

CPC classification number: H02M3/3384 ,  H05B41/2821

Abstract: A push-pull converter has a transformer provided with a primary winding and a secondary winding. A capacitive element is connected between the input terminals of the primary winding, and two switch elements are arranged between a respective input terminal of the primary winding through an inductor and a supply input of the converter. The current-input terminals of the switch elements are connected to one another, and the current-output terminals of the switch elements are each connected to the respective input terminals of the primary winding. The switch elements are made up of NPN bipolar transistors connected in common-collector configuration. The push-pull converter is particularly suited for driving a cold-cathode fluorescent lamp.

Abstract translation: 推挽转换器具有设置有初级绕组和次级绕组的变压器。 电容元件连接在初级绕组的输入端子之间，并且两个开关元件通过电感器和转换器的电源输入端设置在初级绕组的相应输入端子之间。 开关元件的电流输入端子彼此连接，并且开关元件的电流输出端子各自连接到初级绕组的相应输入端子。 开关元件由以共集电极配置连接的NPN双极晶体管组成。 推挽转换器特别适用于驱动冷阴极荧光灯。