Power supply device with detection of malfunctioning
    22.
    发明公开
    Power supply device with detection of malfunctioning 有权
    Stromversorgungsgerätmit Fehlfunktionserkennung

    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

    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)。

    Low power consumption linear voltage regulator having a fast response with respect to the load transients
    25.
    发明公开
    Low power consumption linear voltage regulator having a fast response with respect to the load transients 失效
    具有低功耗和快速响应线性电压调节器对负载瞬变,所述

    公开(公告)号:EP0892332A1

    公开(公告)日:1999-01-20

    申请号:EP97830348.5

    申请日:1997-07-14

    CPC classification number: G05F1/565

    Abstract: A linear type of voltage regulator, having at least one input terminal (VBAT) adapted to receive a supply voltage and one output terminal (VOUT) adapted to deliver a regulated output voltage, comprises a power transistor (M1) and a driver circuit for the transistor; the driver circuit comprises essentially an operational amplifier (OP1) having an input differential stage biased by a bias current which varies proportionally with the variations of the regulated output voltage at the output terminal (VOUT) of the regulator.

    Abstract translation: 线性型电压调节器的,具有至少一个输入端(V BAT)angepasst到接收电源电压和一个输出端(VOUT)angepasst提供经调节的输出电压,包括功率晶体管(M1)和用于驱动电路 晶体管; 驱动电路基本上包括具有由一个偏置电流,其与调节的输出电压的在调节器的输出端(VOUT)的变化成比例地变化偏置输入差动级运算放大器(OP1)。

    By-pass diode structure for strings of series connected cells of a photovoltaic panel
    26.
    发明公开
    By-pass diode structure for strings of series connected cells of a photovoltaic panel 无效
    UmleitungsdiodenstrukturfürStrings aus Serien verbundener Zellen einer Photovoltaikplatte

    公开(公告)号:EP2141746A2

    公开(公告)日:2010-01-06

    申请号:EP09163073.1

    申请日:2009-06-18

    Abstract: A by-pass device that uses a power MOS transistor but does not need any inductor and thus be fully integrable uses an oscillator and a charge pump circuit supplied through a protection transistor and a control circuit of a driving stage of the gate of the by-pass MOS transistor depending on the sign of the voltage on the nodes of the group of cells in series and of the by-pass MOS transistor and of the charge voltage of a tank capacitor that supplies the control circuit and the driving stage.

    Abstract translation: 使用功率MOS晶体管但不需要任何电感器并因此完全可积分的旁路器件使用通过保护晶体管提供的振荡器和电荷泵电路以及旁路栅极的驱动级的控制电路, 根据串联的单元组和旁通MOS晶体管的节点上的电压的符号以及提供控制电路和驱动级的储能电容器的充电电压的符号。

    Electronic circuit and oscillator comprising said electronic circuit
    28.
    发明公开
    Electronic circuit and oscillator comprising said electronic circuit 有权
    Elektronische Schaltung und Oszillator mit dieser elektronischen Schaltung

    公开(公告)号:EP1693960A1

    公开(公告)日:2006-08-23

    申请号:EP05425080.8

    申请日:2005-02-18

    CPC classification number: H03K4/502 H03K3/0231

    Abstract: The present invention describes an electric circuit comprising a circuit path (1) from a first reference voltage (VDD) to a second reference voltage (GND) lower than the first reference voltage. The path (1) comprising means (2) for supplying current (I1), at least one capacitor (C1), first switching means (T1) suitable for connecting or disconnecting the capacitor (C1) with respect to the means (2) for supplying current (I1). The first switching means (T1) have a given triggering value (Vth) and the electric circuit comprises second switching means (T2) placed in parallel to the at least one capacitor (C1) and control means (3) suitable for acting on the first (T1) and second (T2) switching means for controlling the charging and discharging of the at least one capacitor (C1). The control means (3) comprise further means (4) operable during the charging of the capacitor (C1) and suitable for acting on the first switching means (T1) for blocking the charging of the capacitor (C1) when the voltage value (Vc1) at its terminals reaches a predefined voltage value (Vref). The predefined voltage value is lower than the triggering voltage (Vth) of the first switching means (T1) and higher than the second reference voltage (GND).

    Abstract translation: 本发明描述了一种电路,包括从第一参考电压(VDD)到低于第一参考电压的第二参考电压(GND)的电路路径(1)。 所述路径(1)包括用于提供电流(I1)的装置(2),至少一个电容器(C1),适于相对于所述装置(2)连接或断开所述电容器(C1)的第一开关装置(T1) 提供电流(I1)。 第一开关装置(T1)具有给定的触发值(Vth),并且电路包括与至少一个电容器(C1)并联放置的第二开关装置(T2)和适于作用在第一开关装置 (T1)和第二(T2)开关装置,用于控制至少一个电容器(C1)的充电和放电。 控制装置(3)还包括可在电容器(C1)充电期间操作的另外的装置(4),并适于在第一开关装置(T1)作用以阻止电容器(C1)的充电,当电压值(Vc1 )达到预定电压值(Vref)。 预定电压值低于第一开关装置(T1)的触发电压(Vth)并且高于第二参考电压(GND)。

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