ELECTRICAL CIRCUIT FOR DISCHARGING AN INDUCTIVE LOAD
    3.
    发明公开
    ELECTRICAL CIRCUIT FOR DISCHARGING AN INDUCTIVE LOAD 有权
    ELEKTRISCHE SCHALTUNG ZUM ENTLADEN EINER INDUKTIVEN LAST

    公开(公告)号:EP3151429A1

    公开(公告)日:2017-04-05

    申请号:EP15465542.7

    申请日:2015-09-29

    发明人: Tincu, Tiberiu

    摘要: The invention concerns an electrical circuit (1) adapted to control a bridge circuit (2) for driving an inductive load (3). The electrical circuit comprises a voltage pulse detector (16, 17), at least one high-side control output (11, 12) adapted to control a high-side switch (5, 6) of the bridge circuit (2) connecting the inductive load (3) with the supply voltage (9), at least one low-side control output (13, 14) adapted to control a low-side switch (7, 8) of the bridge circuit (2) connecting the inductive load (3) with ground (10), an internal control logic (15) controlling the high- and low-side control outputs (11 to 14) and one validation gate (19) per low-side control output (13, 14). The internal control logic (15) controls the at least one validation gate (19) to connect through when the supply voltage (9) falls below a supply voltage threshold, thereby connecting the respective low-side control output (13, 14) with the output of the voltage pulse detector (16, 17).

    摘要翻译: 本发明涉及一种适于控制用于驱动感性负载(3)的桥接电路(2)的电路(1)。 电路包括电压脉冲检测器(16,17),至少一个高侧控制输出(11,12),适于控制桥接电路(2)的高侧开关(5,6),连接感应 具有电源电压(9)的负载(3),适于控制桥接电路(2)的低侧开关(7,8)的至少一个低侧控制输出(13,14),其连接感性负载( 3)与地(10),每个低侧控制输出(13,14)控制高侧和低侧控制输出(11至14)和一个验证门(19)的内部控制逻辑(15)。 当电源电压(9)低于电源电压阈值时,内部控制逻辑(15)控制至少一个验证门(19)连接,从而将各个低端控制输出(13,14)与 输出电压脉冲检测器(16,17)。