公开(公告)号：US20060152951A1

公开(公告)日：2006-07-13

申请号：US10523244

申请日：2002-07-19

申请人： Mauro Fagnani ,  Albino Pidutti ,  Claudio Adragna

发明人： Mauro Fagnani ,  Albino Pidutti ,  Claudio Adragna

IPC分类号： H02M1/00

CPC分类号： H02M1/36 ,  H02M3/335 ,  H02M2001/0006

摘要： A bootstrap circuit for switching power supplies (SMPS), a switching power supply including a bootstrap circuit, and an integrated circuit of a switching power supply, are provided. The bootstrap circuit (13) for switching power supplies includes a first supply voltage (Vin) coming from a first terminal and a second supply voltage (Vcc) coming from a second terminal and a third terminal (30). The bootstrap circuit includes: a first current path between the first terminal and the third terminal (30); a second current path between the first terminal and the second terminal; a third current path between the second terminal and the third terminal (30); and a two-way voltage regulator (M3, Dz2, R5, R6) placed along the second current path.

摘要翻译： 提供了一种用于开关电源（SMPS）的自举电路，包括自举电路的开关电源和开关电源的集成电路。 用于切换电源的自举电路（13）包括来自第一端子的第一电源电压（Vin）和来自第二端子和第三端子（30）的第二电源电压（Vcc）。 引导电路包括：第一端子和第三端子之间的第一电流路径; 第一端子和第二端子之间的第二电流路径; 第二端子和第三端子之间的第三电流通路; 以及沿着第二电流路径放置的双向电压调节器（M 3，Dz 2，R 5，R 6）。

公开(公告)号：US06946819B2

公开(公告)日：2005-09-20

申请号：US10633321

申请日：2003-08-01

申请人： Mauro Fagnani ,  Albino Pidutti ,  Claudio Adragna

发明人： Mauro Fagnani ,  Albino Pidutti ,  Claudio Adragna

IPC分类号： H02M1/00 ,  H02M1/42 ,  G05F1/70

CPC分类号： H02M1/4225 ,  Y02B70/126

摘要： A device for the correction of the power factor in power supply units with forced switching operating in transition mode is described. The device comprises a converter and a control device coupled to said converter so as to obtain from an alternating network input voltage a regulated output voltage on the output terminal. The converter comprises a power transistor and the control device comprises a pilot circuit suitable for determining the period of switched-on time and the period of switched-off time of said power transistor and control means coupled to said pilot circuits and with said converter and which are capable of prolonging said period of switched-on time of the power transistor at the instants of time in which the alternating network voltage substantially assumes the value zero.

摘要翻译： 描述用于在过渡模式下以强制切换操作的电源单元中的功率因数校正的装置。 该装置包括转换器和耦合到所述转换器的控制装置，以便从输入端子上的交变网络输入电压获得稳定的输出电压。 该转换器包括一个功率晶体管，该控制装置包括一个导频电路，适用于确定所述功率晶体管的接通时间周期和关断时间的周期以及耦合到所述导频电路和所述转换器的控制装置， 能够在交流网络电压基本上为零值的时刻延长功率晶体管的接通时间的所述周期。

公开(公告)号：US20100328968A1

公开(公告)日：2010-12-30

申请号：US12820549

申请日：2010-06-22

申请人： Claudio Adragna ,  Giuseppe Gattavari ,  Paolo Mattavelli ,  Enrico Orietti ,  Giorgio Spiazzi

发明人： Claudio Adragna ,  Giuseppe Gattavari ,  Paolo Mattavelli ,  Enrico Orietti ,  Giorgio Spiazzi

IPC分类号： H02M3/335

CPC分类号： H02M3/33569 ,  H02M3/335 ,  Y02B70/1433

摘要： A PWM controlled multi-phase resonant voltage converter may include a plurality of primary windings powered through respective half-bridges, and as many secondary windings connected to an output terminal of the converter and magnetically coupled to the respective primary windings. The primary or secondary windings may be connected such that a real or virtual neutral point is floating.

摘要翻译： PWM控制的多相谐振电压转换器可以包括通过相应半桥供电的多个初级绕组，以及连接到转换器的输出端子并且磁耦合到相应的初级绕组的多个次级绕组。 主或次级绕组可以连接成使得实际或虚拟中性点浮动。

公开(公告)号：US20050001601A1

公开(公告)日：2005-01-06

申请号：US10824630

申请日：2004-04-14

申请人： Claudio Adragna ,  Mauro Fagnani

发明人： Claudio Adragna ,  Mauro Fagnani

IPC分类号： H02M1/00 ,  H02M1/36 ,  G05F1/40

CPC分类号： H02M1/36 ,  Y10S323/901

摘要： A circuit is provided for controlling a minimum operating voltage of an integrated control circuit of a switching power supply. The circuit includes at least one switch for switching the minimum operating voltage from a first voltage value to a second voltage value under conditions of low or null load of the switching power supply, and for switching the minimum operating voltage from the second voltage value to the first voltage value if the load of the switching power supply is greater than a predetermined load and the supply voltage is greater than the first voltage value. The minimum operating voltage can assume at least the first voltage value and the second voltage value, and the first voltage value is greater than the second voltage value. Also provided is a method for controlling a minimum operating voltage of an integrated control circuit of a switching power supply.

摘要翻译： 提供用于控制开关电源的集成控制电路的最小工作电压的电路。 该电路包括至少一个开关，用于在开关电源的低或零负载条件下将最小工作电压从第一电压值切换到第二电压值，并且将最小工作电压从第二电压值切换到 第一电压值，如果开关电源的负载大于预定负载，并且电源电压大于第一电压值。 最小工作电压可以采取至少第一电压值和第二电压值，并且第一电压值大于第二电压值。 还提供了一种用于控制开关电源的集成控制电路的最小工作电压的方法。

公开(公告)号：US20090152949A1

公开(公告)日：2009-06-18

申请号：US12336185

申请日：2008-12-16

申请人： Claudio Adragna ,  Giuseppe Gattavari

发明人： Claudio Adragna ,  Giuseppe Gattavari

IPC分类号： H02J1/00

CPC分类号： H02M3/1584 ,  H02J1/102 ,  H02M2001/0048 ,  Y02B70/1491 ,  Y10T307/406 ,  Y10T307/555 ,  Y10T307/707

摘要： A control device of a plurality of switching converters is disclosed; each converter comprises at least one power switch and is associated with a control circuit of the at least one power switch. The control device comprises means suitable for comparing a signal representative of the load of the plurality of converters with a plurality of reference signals and suitable for enabling or disabling at least one of said plurality of control circuits in response to said comparison.

摘要翻译： 公开了一种多个开关变换器的控制装置， 每个转换器包括至少一个电源开关并与所述至少一个电源开关的控制电路相关联。 控制装置包括适于将表示多个转换器的负载的信号与多个参考信号进行比较的装置，并且适合于响应于所述比较启用或禁用所述多个控制电路中的至少一个。

公开(公告)号：US08143866B2

公开(公告)日：2012-03-27

申请号：US12367117

申请日：2009-02-06

申请人： Mauro Fagnani ,  Vincenzo Bartolo ,  Claudio Adragna

发明人： Mauro Fagnani ,  Vincenzo Bartolo ,  Claudio Adragna

IPC分类号： G05F1/00

CPC分类号： G05F1/70

摘要： Herein described is a control device of a device for the correction of the power factor in forced switching power supplies; said device for the correction of the power factor comprises a converter and said control device is coupled to the converter to obtain from an alternating input line voltage a regulated output voltage. The control device comprises generating means associated to a capacitor for generating a signal representative of the root-mean-square value of the alternating line voltage; the generating means are associated to means for discharging said capacitor. The control device comprises further means for discharging the capacitor suitable for discharging said capacitor when the signal representative of the root-mean-square value of the alternating line voltage goes below a given value.

摘要翻译： 这里描述了用于校正强制开关电源中的功率因数的装置的控制装置; 所述用于校正功率因数的装置包括转换器，并且所述控制装置耦合到转换器以从交流输入线电压获得稳定的输出电压。 控制装置包括与电容器相关联的产生装置，用于产生表示交流线路电压的均方根值的信号; 所述发生装置与用于放电所述电容器的装置相关联。 控制装置还包括当表示交流线路电压的均方根值的信号低于给定值时，用于放电适合于放电所述电容器的电容器的装置。

公开(公告)号：US20090141524A1

公开(公告)日：2009-06-04

申请号：US12367117

申请日：2009-02-06

申请人： Mauro Fagnani ,  Vincenzo Bartolo ,  Claudio Adragna

发明人： Mauro Fagnani ,  Vincenzo Bartolo ,  Claudio Adragna

IPC分类号： H02M7/12

CPC分类号： G05F1/70

摘要： Herein described is a control device of a device for the correction of the power factor in forced switching power supplies; said device for the correction of the power factor comprises a converter and said control device is coupled to the converter to obtain from an alternating input line voltage a regulated output voltage. The control device comprises generating means associated to a capacitor for generating a signal representative of the root-mean-square value of the alternating line voltage; the generating means are associated to means for discharging said capacitor. The control device comprises further means for discharging the capacitor suitable for discharging said capacitor when the signal representative of the root-mean-square value of the alternating line voltage goes below a given value.

摘要翻译： 这里描述了用于校正强制开关电源中的功率因数的装置的控制装置; 所述用于校正功率因数的装置包括转换器，并且所述控制装置耦合到转换器以从交流输入线电压获得稳定的输出电压。 控制装置包括与电容器相关联的产生装置，用于产生表示交流线路电压的均方根值的信号; 所述发生装置与用于放电所述电容器的装置相关联。 控制装置还包括当表示交流线路电压的均方根值的信号低于给定值时，用于放电适合于放电所述电容器的电容器的装置。

公开(公告)号：US07440297B2

公开(公告)日：2008-10-21

申请号：US11523756

申请日：2006-09-18

申请人： Claudio Adragna ,  Mauro Fagnani ,  Ugo Moriconi

发明人： Claudio Adragna ,  Mauro Fagnani ,  Ugo Moriconi

IPC分类号： H02H7/12 ,  G05F1/70 ,  H02M3/335

CPC分类号： H02M1/32 ,  H02M1/4225 ,  Y02B70/126

摘要： A device corrects the power factor in forced switching power supplies and includes a converter and a control device to obtain a regulated voltage on an output terminal. The control device comprises an error amplifier having an inverting terminal (Vout) and a non-inverting terminal receiving a reference voltage. The device includes first and second resistances coupled in series with a conduction element positioned between the first resistance and the inverting terminal of the error amplifier and a fault detector suitable for detecting the electrical connection of the conduction element with the output terminal and suitable for detecting an output signal of the second resistance. The fault detector is suitable for supplying a malfunction signal upon detecting an electric disconnection of the conduction element from the output terminal or when the output signal of the second resistance tends to zero.

摘要翻译： 一个装置可以纠正强制开关电源的功率因数，并包括一个转换器和一个控制装置，以便在输出端子上获得稳压电压。 控制装置包括具有反相端（Vout）和接收参考电压的同相端的误差放大器。 该器件包括与位于误差放大器的第一电阻和反相端之间的导电元件串联耦合的第一和第二电阻，以及适用于检测导电元件与输出端子的电连接并适合于检测 第二电阻的输出信号。 故障检测器适用于在检测到导电元件与输出端子断电时或者当第二电阻的输出信号趋于零时，提供故障信号。

公开(公告)号：US07319601B2

公开(公告)日：2008-01-15

申请号：US10523244

申请日：2002-07-19

申请人： Mauro Fagnani ,  Albino Pidutti ,  Claudio Adragna

发明人： Mauro Fagnani ,  Albino Pidutti ,  Claudio Adragna

IPC分类号： H02M1/36 ,  H02M3/335

CPC分类号： H02M1/36 ,  H02M3/335 ,  H02M2001/0006

摘要： A bootstrap circuit for switching power supplies (SMPS), a switching power supply including a bootstrap circuit, and an integrated circuit of a switching power supply, are provided. The bootstrap circuit (13) for switching power supplies includes a first supply voltage (Vin) coming from a first terminal and a second supply voltage (Vcc) coming from a second terminal and a third terminal (30). The bootstrap circuit includes: a first current path between the first terminal and the third terminal (30); a second current path between the first terminal and the second terminal; a third current path between the second terminal and the third terminal (30); and a two-way voltage regulator (M3, Dz2, R5, R6) placed along the second current path.

摘要翻译： 提供了一种用于开关电源（SMPS）的自举电路，包括自举电路的开关电源和开关电源的集成电路。 用于切换电源的自举电路（13）包括来自第一端子的第一电源电压（Vin）和来自第二端子和第三端子（30）的第二电源电压（Vcc）。 引导电路包括：第一端子和第三端子之间的第一电流路径; 第一端子和第二端子之间的第二电流路径; 第二端子和第三端子之间的第三电流通路; 以及沿着第二电流路径放置的双向电压调节器（M 3，Dz 2，R 5，R 6）。

公开(公告)号：US20070063684A1

公开(公告)日：2007-03-22

申请号：US11523756

申请日：2006-09-18

申请人： Claudio Adragna ,  Mauro Fagnani ,  Ugo Moriconi

发明人： Claudio Adragna ,  Mauro Fagnani ,  Ugo Moriconi

IPC分类号： G05F1/00

CPC分类号： H02M1/32 ,  H02M1/4225 ,  Y02B70/126

摘要： A device corrects the power factor in forced switching power supplies and includes a converter and a control device to obtain a regulated voltage on an output terminal. The control device comprises an error amplifier having an inverting terminal (Vout) and a non-inverting terminal receiving a reference voltage. The device includes first and second resistances coupled in series with a conduction element positioned between the first resistance and the inverting terminal of the error amplifier and a fault detector suitable for detecting the electrical connection of the conduction element with the output terminal and suitable for detecting an output signal of the second resistance. The fault detector is suitable for supplying a malfunction signal upon detecting an electric disconnection of the conduction element from the output terminal or when the output signal of the second resistance tends to zero.

摘要翻译： 一个装置可以纠正强制开关电源的功率因数，并包括一个转换器和一个控制装置，以便在输出端子上获得稳压电压。 控制装置包括具有反相端（Vout）和接收参考电压的同相端的误差放大器。 该器件包括与位于误差放大器的第一电阻和反相端之间的导电元件串联耦合的第一和第二电阻，以及适用于检测导电元件与输出端子的电连接并适合于检测 第二电阻的输出信号。 故障检测器适用于在检测到导电元件与输出端子断电时或者当第二电阻的输出信号趋于零时，提供故障信号。