Self-supply circuit and method for a voltage converter
    1.
    发明公开
    Self-supply circuit and method for a voltage converter 有权
    Selbstversorgungsschaltung und Verfahrenfüreinen Spannungswandler

    公开(公告)号:EP2066012A2

    公开(公告)日:2009-06-03

    申请号:EP08170303.5

    申请日:2008-11-28

    CPC classification number: H02M3/33507 H02M1/36 H02M2001/0006

    Abstract: Described herein is a self-supply circuit (30), for a voltage converter (1) that converts an input voltage (V in ) into an output voltage (V out ) and has a main switch (10) and a controller (12), designed to control switching of the main switch (10) for controlling the output voltage (V out ); the self-supply circuit (30) is provided with: a charge accumulator (16), which is connected to the controller (12) and supplies a self-supply voltage (V cc ) to the same controller; a generator (24), which supplies a charge current (I charge ) to the charge accumulator (16); and an auxiliary switch (21), which has a first conduction terminal in common with a respective conduction terminal of the main switch (10) and is operable so as to control transfer of the charge current (I charge ) to the charge accumulator (16). In particular, the self-supply circuit (30) is provided with a precharge stage (31), connected to the auxiliary switch (21), which carries out a precharging of an intrinsic capacitance of the auxiliary switch (21) before a turning-off transient of the main switch (10) ends.

    Abstract translation: 这里描述了一种用于将输入电压(V in)转换为输出电压(V out)并具有主开关(10)和控制器(12)的电压转换器(1)的自供电电路(30) ,用于控制用于控制输出电压(V out)的主开关(10)的开关; 所述自供电电路(30)设置有:电荷累加器(16),其连接到所述控制器(12)并将自供电电压(V cc)提供给所述同一控制器; 发电机(24),其将充电电流(I充电)提供给充电蓄电池(16); 和辅助开关(21),其具有与主开关(10)的相应导通端子共同的第一导通端子,并且可操作以控制充电电流(I充电)传送到电荷累加器(16) )。 特别地,自供电电路(30)设置有与辅助开关(21)连接的预充电级(31),该辅助开关(21)在转向之前执行辅助开关(21)的本征电容的预充电, 主开关(10)的断开瞬态结束。

    Receiver for signal communications with disturbances rejection
    2.
    发明公开
    Receiver for signal communications with disturbances rejection 有权
    SignalempfängermitStörungsunterdrückung

    公开(公告)号:EP2282406A2

    公开(公告)日:2011-02-09

    申请号:EP10169807.4

    申请日:2010-07-16

    CPC classification number: H04B1/123 H04L25/0266 H04L25/0272 H04L25/0292

    Abstract: There is described a receiver (4) of a signal communication apparatus; the apparatus comprising a transmitter (1) for transmitting the signals, the receiver (4) for receiving the signals and a galvanically isolated wireless interface (3) interposed between the transmitter and the receiver and comprising a transmitting antenna (L1) and a receiving antenna (L2). The receiver comprises a disturbance rejection circuit (6, 52) coupled to the receiving antenna (L2) and capable of compensating for the parasite currents flowing between the transmitting antenna and the receiving antenna at the potential variations between the input and output of the galvanic isolation interface.

    Abstract translation: 描述了信号通信设备的接收机(4); 该装置包括用于发送信号的发射机(1),用于接收信号的接收机(4)和插在发射机和接收机之间的电隔离无线接口(3),包括发射天线(L1)和接收天线 (L2)。 接收机包括耦合到接收天线(L2)的干扰抑制电路(6,52),并且能够以电隔离的输入和输出之间的电势变化补偿在发射天线和接收天线之间流动的寄生电流 接口。

    Signal communication apparatus and related receiver
    3.
    发明公开
    Signal communication apparatus and related receiver 有权
    Signalkommunikationsvorrichtung und entsprechenderEmpfänger

    公开(公告)号:EP2282405A2

    公开(公告)日:2011-02-09

    申请号:EP10169812.4

    申请日:2010-07-16

    CPC classification number: H04B1/10

    Abstract: There is described a receiver (4) of a signal communication apparatus; the apparatus comprises a transmitter (1) adapted to transmit coded signals, the receiver (4) for receiving the signal and a wireless interface (3) interposed between the transmitter and the receiver and comprising a transmitting antenna (L1) and a receiving antenna (L2). The receiver comprises decoding means (12) of the received signal and first means (9, 10) coupled to the receiving antenna (L2) and capable of triggering said decoding means of the received signal if the value of the received signal is outside a logical hysteresis consisting of a first logic threshold (TH_LO) having a value smaller than the value of the direct current component of the received signal and a second logic threshold (TH_HI) having a value greater than the value of the direct current component (Irde) of the received signal.

    Abstract translation: 描述了信号通信设备的接收机(4); 该装置包括适于发送编码信号的发射机(1),用于接收信号的接收机(4)和插在发射机与接收机之间的无线接口(3),包括发射天线(L1)和接收天线 L2)。 接收机包括接收信号的解码装置(12)和耦合到接收天线(L2)的第一装置(9,10),并且如果接收信号的值在逻辑 具有小于接收信号的直流分量的值的第一逻辑阈值(TH_LO)和具有大于直流分量(Irde)的值的第二逻辑阈值(TH_HI)的第二逻辑阈值 接收信号。

    Transmission and reception apparatus for digital signals
    4.
    发明公开
    Transmission and reception apparatus for digital signals 审中-公开
    Übertragungs-und Empfangseinrichtungfürdigitale Signale

    公开(公告)号:EP2280488A1

    公开(公告)日:2011-02-02

    申请号:EP10167420.8

    申请日:2010-06-25

    Abstract: A transmission and reception apparatus for at least one digital data signal (DATA) is described. The digital data signal is characterized by two logical levels, first and second logical levels, with said second logical level higher than the first logical level. The apparatus comprises a transmitter (6, 1), a receiver (3, 7) and a galvanically isolated wireless interface (5) arranged between the transmitter and the receiver and comprising a transmitting antenna and a receiving antenna formed by a pair of coils; said transmitter, receiver and wireless interface are arranged so as to form a two-level isolated digital channel and the transmitter comprises means (6, 1) adapted to send a synchronization signal (CLOCK) to the receiver. The receiver comprises means (7, 71, 72) adapted to synchronize the receiver and the transmitter by means of the received synchronization signal (CLOCK) and the transmitter comprises further means (62, 61) adapted to send said digital data signal (DATA) upon the synchronization of the receiver and transmitter; the means (7, 71, 72) of the receiver comprising at least one memory element (71) configured to memorize, during the reception of said digital data signal (DATA), the information relative to the received synchronization signal (CLOCK). ( Fig. 6 )

    Abstract translation: 描述用于至少一个数字数据信号(DATA)的发送和接收装置。 数字数据信号的特征在于具有高于第一逻辑电平的所述第二逻辑电平的两个逻辑电平的第一和第二逻辑电平。 该装置包括发射机(6,1),接收机(3,7)和布置在发射机和接收机之间的电隔离无线接口(5),并且包括由一对线圈形成的发射天线和接收天线; 所述发射机,接收机和无线接口被布置成形成两级隔离数字信道,并且发射机包括适于向接收机发送同步信号(CLOCK)的装置(6,1)。 接收机包括适于通过所接收的同步信号(CLOCK)使接收机和发射机同步的装置(7,71,72),并且发射机包括适于发送所述数字数据信号(DATA)的另外的装置(62,61) 在接收机和发射机同步时; 所述接收机的装置(7,71,72)包括至少一个存储器元件(71),所述至少一个存储器元件被配置为在所述数字数据信号(DATA)的接收期间存储关于所接收的同步信号(CLOCK)的信息。 (图6)

    A method and device for driving power converters
    6.
    发明公开
    A method and device for driving power converters 有权
    Eine Methode und Vorrichtung zur Ansteuerung von Stromrichtern

    公开(公告)号:EP1793484A1

    公开(公告)日:2007-06-06

    申请号:EP05425865.2

    申请日:2005-12-02

    CPC classification number: H02M1/38 H02M3/3376

    Abstract: Described herein is a device for driving a converter circuit that supplies a charge via a first electronic switch (LS) and a second electronic switch (HS) alternately turned on and off, with a first dead-time interval between turning-off of the first electronic switch and turning-on of the second electronic switch (HS) and a second dead-time interval between turning-off of the second electronic switch (HS) and turning-on of the first electronic switch. Turning-off of the second electronic switch (HS) is controlled as a function of a feedback signal (F) coming from the load (L). The device comprises:
    - a generator module (11a, C) for generating a memory signal (V c ), indicating the duration of the first dead-time interval; and
    - a delay module (11b, C, 14, 18, 20), sensitive to said memory signal (V c ) for controlling turning-on of the first electronic switch with a delay, with respect to turning-off of the second electronic switch (HS), identified by the aforesaid memory signal (V C ), so that the second dead-time interval has a duration substantially equal to the duration of the first dead-time interval.

    Abstract translation: 这里描述的是用于驱动经由第一电子开关(LS)和第二电子开关(HS)交替打开和关闭的电荷的转换器电路的装置,其中第一 电子开关和第二电子开关(HS)的接通以及第二电子开关(HS)的断开和第一电子开关的接通之间的第二死区间隔。 作为来自负载(L)的反馈信号(F)的函数控制第二电子开关(HS)的断开。 该装置包括: - 发生器模块(11a,C),用于产生指示第一死区时间间隔的持续时间的存储信号(V c); 以及 - 延迟模块(11b,C,14,18,20),对于所述存储器信号(V c)敏感,用于相对于所述第二电子装置的关断而延迟地控制所述第一电子开关的接通 开关(HS),由上述存储信号(VC)识别,使得第二死区间隔的持续时间基本上等于第一死区间隔的持续时间。

    ISOLATED DC/DC CONVERTER WITH WAKE-UP FEEDBACK SIGNAL REVERSE MODULATED ON TRANSFORMER
    7.
    发明授权
    ISOLATED DC/DC CONVERTER WITH WAKE-UP FEEDBACK SIGNAL REVERSE MODULATED ON TRANSFORMER 有权
    具有唤醒反馈信号的隔离式DC / DC转换器在变压器上反向调制

    公开(公告)号:EP2983283B1

    公开(公告)日:2018-03-28

    申请号:EP15176704.3

    申请日:2015-07-14

    Abstract: Described herein is a power-supply circuit comprising a transformer (T) having at least one primary winding (T1) and one secondary winding (T2), an electronic switch (204) set on the primary side of the transformer (T) for selectively transferring energy through the primary winding (T1) to the secondary winding (T2), and an energy accumulator (Cout) set on the secondary side of the transformer (T), wherein the energy accumulator (Cout) is charged by means of the energy transferred to the secondary winding (T2). The power-supply circuit further comprises a monitoring circuit (48) configured for monitoring a signal (FB; V out ) on the secondary side of the transformer (T) and generating a feedback signal (R) as a function of the signal monitored (FB; V out ), and a transmission circuit (46) set on the secondary side of the transformer (T) and configured for selectively transferring energy from the energy accumulator (Cout) to the secondary winding (T2) in order to transmit the feedback signal (R). In particular, the transmission circuit (46) comprises: a) an electronic switch having a control terminal that drives switching of the switch; and b) a driver circuit for driving the electronic switch, wherein the driver circuit comprises a charge-accumulation capacitor connected to the control terminal of the switch, and a charge circuit configured for drawing energy from the secondary winding (T2) and charging the charge-accumulation capacitor by means of the energy drawn off.

    ISOLATED DC/DC CONVERTER WITH WAKE-UP FEEDBACK SIGNAL REVERSE MODULATED ON TRANSFORMER
    8.
    发明公开
    ISOLATED DC/DC CONVERTER WITH WAKE-UP FEEDBACK SIGNAL REVERSE MODULATED ON TRANSFORMER 有权
    ISOLIERTER DC / DC WANDLER MITÜBERDEN变压器RÜCKWÄRTSMODULIERTEN WECKSIGNAL

    公开(公告)号:EP2983283A1

    公开(公告)日:2016-02-10

    申请号:EP15176704.3

    申请日:2015-07-14

    Abstract: Described herein is a power-supply circuit comprising a transformer (T) having at least one primary winding (T1) and one secondary winding (T2), an electronic switch (204) set on the primary side of the transformer (T) for selectively transferring energy through the primary winding (T1) to the secondary winding (T2), and an energy accumulator (Cout) set on the secondary side of the transformer (T), wherein the energy accumulator (Cout) is charged by means of the energy transferred to the secondary winding (T2).
    The power-supply circuit further comprises a monitoring circuit (48) configured for monitoring a signal (FB; V out ) on the secondary side of the transformer (T) and generating a feedback signal (R) as a function of the signal monitored (FB; V out ), and a transmission circuit (46) set on the secondary side of the transformer (T) and configured for selectively transferring energy from the energy accumulator (Cout) to the secondary winding (T2) in order to transmit the feedback signal (R).
    In particular, the transmission circuit (46) comprises:
    a) an electronic switch having a control terminal that drives switching of the switch; and
    b) a driver circuit for driving the electronic switch, wherein the driver circuit comprises a charge-accumulation capacitor connected to the control terminal of the switch, and a charge circuit configured for drawing energy from the secondary winding (T2) and charging the charge-accumulation capacitor by means of the energy drawn off.

    Abstract translation: 这里描述了一种电源电路,其包括具有至少一个初级绕组(T1)和一个次级绕组(T2)的变压器(T),设置在变压器(T)的初级侧上的电子开关(204),用于选择性地 将能量通过初级绕组(T1)传递到次级绕组(T2),以及设置在变压器(T)的次级侧上的蓄能器(Cout),其中通过能量对蓄能器(Cout)进行充电 转移到次级绕组(T2)。 电源电路还包括监视电路(48),其被配置用于监视变压器(T)的次级侧上的信号(FB; V out),并产生作为所监视信号的函数的反馈信号(R) FB; V out)以及设置在变压器(T)的次级侧上并被配置为选择性地将能量从能量累加器(Cout)传递到次级绕组(T2)的传输电路(46),以便传输反馈 信号(R)。 特别地,传输电路(46)包括:a)具有驱动开关切换的控制端子的电子开关; 以及b)用于驱动所述电子开关的驱动电路,其中所述驱动电路包括连接到所述开关的控制端子的电荷蓄积电容器和被配置为从所述次级绕组(T2)吸取能量并对所述电荷充电的充电电路 - 累积电容器通过所消耗的能量。

    Signals communication apparatus
    9.
    发明公开
    Signals communication apparatus 有权
    Signalübertragungsvorrichtung

    公开(公告)号:EP2282435A1

    公开(公告)日:2011-02-09

    申请号:EP10170931.9

    申请日:2010-07-27

    CPC classification number: H04L1/1812 H04L1/1896

    Abstract: There is described a signal communication apparatus comprising first (51) and second (52) channels for communicating signals between two electronic devices (10, 4); each of said first and second channels comprises a transmitter (1, 21, 22) for transmitting signals, a receiver (3, 24, 25) for receiving signals and an interface (23) arranged between the transmitter and the receiver. The transmitter comprises first means (21, 22) adapted to code the signals in the form of a frame of H bits (F), with H being an integer, and adapted to serially transmit said frame of H bits through said interface, and the receiver comprises a decoder (25) for decoding said frame of H bits, said frame of H bits comprising P data bits (DATA), K redundancy bits and a sequence of L control bits adapted to identify the type of frame to be transmitted, with L, P and K being integers.

    Abstract translation: 描述了一种信号通信设备,包括用于在两个电子设备(10,4)之间传送信号的第一(51)和第二(52)个信道。 所述第一和第二信道中的每一个包括用于发送信号的发射机(1,21,22),用于接收信号的接收机(3,24,25)和布置在发射机和接收机之间的接口(23)。 发射机包括适于以H比特(F)的帧的形式对信号进行编码的第一装置(21,22),其中H是整数,并且适于通过所述接口串行发送所述H比特帧,并且 接收机包括用于解码所述H比特帧的解码器(25),所述H比特比特包括P数据比特(DATA),K个冗余比特和适用于识别要发送的帧类型的L个控制比特序列, L,P和K为整数。

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