公开(公告)号：EP1650857A2

公开(公告)日：2006-04-26

申请号：EP05109431.6

申请日：2005-10-11

Applicant: STMicroelectronics S.r.l.

Inventor： Adragna, Claudio ,  Fagnani, Mauro ,  Gattavari, Giuseppe

IPC: H02M1/12 ,  H02M7/217

CPC classification number: H02M1/4225 ,  H02M2001/0022 ,  H02M2001/0025 ,  Y02B70/126

Abstract: The present invention describes is a device for power factor correction in forced switching power supply unit, comprising a converter (20) and a control device (100) coupled with the converter (20) so as to obtain from an input alternating mains voltage (Vin) a direct regulated voltage (Vout) on the output terminal. The converter (20) comprises a power transistor (M) and the control device (100) comprises an error amplifier (3) having in input on the inverting terminal a first signal (Vr) proportional to the regulated voltage (Vout) and on the non-inverting terminal a reference voltage (Vref), a drive circuit (4-7, 10) of the power transistor (M) coupled with the output terminal of the error amplifier (3). The control device (100) comprises means (42, Cff, 101, Rt, 102) suitable for generating a current signal (It) representative of the effective input voltage; said current signal (It) is in input on the inverting terminal of said error amplifier (3) to vary said regulated voltage (Vout) in reply to variations of the effective input voltage.

Abstract translation: 本发明描述了一种用于强制开关电源单元中的功率因数校正的装置，包括与转换器（20）耦合的转换器（20）和控制装置（100），以从输入交流电源电压（Vin ）输出端子上的直接调节电压（Vout）。 转换器（20）包括功率晶体管（M），并且控制装置（100）包括误差放大器（3），其在反相端子上具有与调节电压（Vout）成比例的第一信号（Vr） 非反相端子参考电压（Vref），功率晶体管（M）的驱动电路（4-7,10）与误差放大器（3）的输出端耦合。 控制装置（100）包括适于产生代表有效输入电压的电流信号（It）的装置（42，Cff，101，Rt，102） 所述电流信号（It）在所述误差放大器（3）的反相端上输入，以响应于有效输入电压的变化来改变所述调节电压（Vout）。

公开(公告)号：EP1176705B1

公开(公告)日：2003-07-09

申请号：EP00830540.1

申请日：2000-07-28

Applicant: STMicroelectronics S.r.l.

Inventor： Gattavari, Giuseppe ,  Adragna, Claudio

IPC: H02M1/00

CPC classification number: H02M1/4225 ,  H02J2009/007 ,  H02M2001/0032 ,  H02M2001/007 ,  Y02B70/126 ,  Y02B70/16 ,  Y02P80/112

公开(公告)号：EP2299580A3

公开(公告)日：2011-07-27

申请号：EP10166124.7

申请日：2010-06-16

Applicant: STMicroelectronics S.r.l.

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

IPC: H02M3/335

CPC classification number: H02M3/33569 ,  H02M3/335 ,  Y02B70/1433

Abstract: A switching 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.

Abstract translation: 开关多相谐振电压转换器可以包括通过相应的半桥供电的多个初级绕组，以及连接到转换器的输出端并且磁耦合到相应的初级绕组的许多次级绕组。 主或次级绕组可以被连接成使得实际或虚拟中性点浮动。

公开(公告)号：EP1650857B1

公开(公告)日：2009-09-02

申请号：EP05109431.6

申请日：2005-10-11

Applicant: STMicroelectronics S.r.l.

Inventor： Adragna, Claudio ,  Fagnani, Mauro ,  Gattavari, Giuseppe

IPC: H02M1/42

CPC classification number: H02M1/4225 ,  H02M2001/0022 ,  H02M2001/0025 ,  Y02B70/126

公开(公告)号：EP1424766A1

公开(公告)日：2004-06-02

申请号：EP02425737.0

申请日：2002-11-29

Applicant: STMicroelectronics S.r.l.

Inventor： Gattavari, Giuseppe ,  Vai, Raimondo

IPC: H02M3/156 ,  H02M3/158

CPC classification number: H02M3/156 ,  H02M2001/0009 ,  H02M2001/0025

Abstract: A switching voltage regulator adapted for providing a regulated voltage (Vout) at an output terminal (OUT) is described which comprises at least one MOS transistor (M2, 102) having a non-drivable terminal coupled with said output terminal (OUT) and a control circuit (1-3, 103) receiving a signal (Ifb, Iout1) that is representative of the current signal flowing in said MOS transistor (M2, 102). The control circuit (1-3, 103) comprises a compensation device (9) adapted for cancelling the thermal variation of said signal (Ifb, Iout1) that is representative of the current signal flowing in said MOS transistor (M2, 102).

Abstract translation: 描述了适于在输出端（OUT）处提供调节电压（Vout）的开关电压调节器，其包括具有与所述输出端子（OUT）耦合的不可驱动端子的至少一个MOS晶体管（M2,102）和 接收代表在所述MOS晶体管（M2,102）中流动的电流信号的信号（Ifb，Iout1）的控制电路（1-3,103）。 控制电路（1-3,103）包括适于消除表示在所述MOS晶体管（M2,102）中流动的电流信号的所述信号（Ifb，Iout1）的热变化的补偿装置（9）。

公开(公告)号：EP0871328B1

公开(公告)日：2003-08-13

申请号：EP97830164.6

申请日：1997-04-09

Applicant: STMicroelectronics S.r.l.

Inventor： Adragna, Claudio ,  Gattavari, Giuseppe ,  Fagnani, Mauro

IPC: H04N3/185 ,  H02M3/335

CPC classification number: H04N3/185 ,  H02M3/33523

公开(公告)号：EP1178591A1

公开(公告)日：2002-02-06

申请号：EP00830547.6

申请日：2000-07-31

Applicant: STMicroelectronics S.r.l.

Inventor： Bontempo, Gregorio ,  Adragna, Claudio ,  Fagnani, Mauro ,  Pidutti, Albino ,  Pulvirenti, Francesco ,  Quaglino, Roberto ,  Gattavari, Giuseppe

IPC: H02M3/28

CPC classification number: H02M3/28 ,  H02M1/32 ,  H02M3/33523

Abstract: The power supply device comprises a DC-DC converter circuit (8) including a power switch (10) and a driving stage (102). The driving stage (102) has a compensation terminal (102b) on which a compensation voltage (V COMP ) is present and which receives a biasing current (I P ), said driving stage (102) comprising a control circuit (107) having an output terminal connected to a control terminal (11) of the power switch (10) and disconnection-detecting means (105) connected to said compensation terminal (102b) and generating a signal for permanent turning-off of said power switch (10) when the biasing current (I P ) drops below a current-threshold value (I T ). The driving stage (102) moreover comprises over-voltage detecting means (104) connected to the compensation terminal (102b) and generating a signal for temporary turning-off of said power switch (10) when said compensation voltage (V COMP ) exceeds a voltage-threshold value (V T ).

Abstract translation: 电源装置包括包括电源开关（10）和驱动级（102）的DC-DC转换器电路（8）。 驱动级（102）具有在其上存在补偿电压（VCOMP）并且接收偏置电流（IP）的补偿端子（102b），所述驱动级（102）包括具有输出端子 连接到所述电源开关（10）的控制端子（11）和连接到所述补偿端子（102b）的断开检测装置（105），并且当所述偏置 当前（IP）下降到当前阈值（IT）以下。 驱动级（102）还包括连接到补偿端子（102b）的过电压检测装置（104），并且当所述补偿电压（VCOMP）超过电压时产生用于暂时关断所述电源开关（10）的信号 - 阈值（VT）。

公开(公告)号：EP1176705A1

公开(公告)日：2002-01-30

申请号：EP00830540.1

申请日：2000-07-28

Applicant: STMicroelectronics S.r.l.

Inventor： Gattavari, Giuseppe ,  Adragna, Claudio

IPC: H02M1/00

CPC classification number: H02M1/4225 ,  H02J2009/007 ,  H02M2001/0032 ,  H02M2001/007 ,  Y02B70/126 ,  Y02B70/16 ,  Y02P80/112

Abstract: A converter directly connectable to the mains comprises a rectifier stage of the network voltage, a power factor correction pre-regulating circuit supplied with the rectified network voltage and producing a DC voltage of a certain nominal value, a DC-DC converter supplied with the DC voltage of a certain nominal value and producing a pre-established DC voltage on an output node, sensing means producing a signal representative of the current level of load being supplied by the converter.
The power consumption of the converter is lowered by a control circuit fed with the signal representative of the level of load that generates a disabling signal of the power factor corrector pre-regulating circuit as long as the level of load does not exceed a certain pre-established threshold.

Abstract translation: A转换器可直接连接到市电电源包括所述网络电压的整流器级，与所述整流网络电压并产生某标称值的直流电压提供一个功率因数校正预调节电路，一个DC-DC转换器提供与所述DC 某标称值的电压，并在输出节点上生产预先建立直流电压，感测装置产生代表负载的电流电平的信号通过转换器被供给。 该转换器的功率消耗是通过用代表负载的电平的信号馈送的控制电路降低没基因率所述功率因数校正的禁止信号预调节电路只要负载大小限制某预水平 建立门槛。

公开(公告)号：EP2299580A2

公开(公告)日：2011-03-23

申请号：EP10166124.7

申请日：2010-06-16

Applicant: STMicroelectronics S.r.l.

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

IPC: H02M3/335

CPC classification number: H02M3/33569 ,  H02M3/335 ,  Y02B70/1433

Abstract: A switching 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.

Abstract translation: 开关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初级绕组的多个次级绕组。 初级或次级绕组可以连接，使得实际或虚拟中性点浮动。

公开(公告)号：EP1650857A3

公开(公告)日：2007-05-16

申请号：EP05109431.6

申请日：2005-10-11

Applicant: STMicroelectronics S.r.l.

Inventor： Adragna, Claudio ,  Fagnani, Mauro ,  Gattavari, Giuseppe

IPC: G05F1/70 ,  H02M1/00

CPC classification number: H02M1/4225 ,  H02M2001/0022 ,  H02M2001/0025 ,  Y02B70/126

Abstract: The present invention describes is a device for power factor correction in forced switching power supply unit, comprising a converter (20) and a control device (100) coupled with the converter (20) so as to obtain from an input alternating mains voltage (Vin) a direct regulated voltage (Vout) on the output terminal. The converter (20) comprises a power transistor (M) and the control device (100) comprises an error amplifier (3) having in input on the inverting terminal a first signal (Vr) proportional to the regulated voltage (Vout) and on the non-inverting terminal a reference voltage (Vref), a drive circuit (4-7, 10) of the power transistor (M) coupled with the output terminal of the error amplifier (3). The control device (100) comprises means (42, Cff, 101, Rt, 102) suitable for generating a current signal (It) representative of the effective input voltage; said current signal (It) is in input on the inverting terminal of said error amplifier (3) to vary said regulated voltage (Vout) in reply to variations of the effective input voltage.