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    • 1. 发明申请
    • PROTECTION CIRCUIT FOR A DRIVING CIRCUIT
    • 驱动电路保护电路
    • WO2017025026A1
    • 2017-02-16
    • PCT/CN2016/094317
    • 2016-08-10
    • VALEO EQUIPEMENTS ELECTRIQUES MOTEURXI, Yiyi
    • XI, YiyiSHI, Sanbao
    • H05B37/02
    • H05B33/0827H05B33/0884Y02B20/341
    • The present invention refers to a driving circuit (1) comprising: - a voltage supply (5), - a plurality of load branches (2) coupled in parallel with each others, a load branch (2) comprising a load (3) coupled in series with a power circuit (9), a power circuit (9) being configured for providing a local regulation of the current in the associated load (3) and, - a bias circuit (6) for controlling the power circuit (9) of the load branches (2), wherein a protection circuit (19) is associated with each load branch (2), a protection circuit (19) comprising an input terminal (P i ) coupled between the load (3) and the power circuit (9) of the associated load branch (2) and an output terminal (P o ) coupled to the bias circuit (6) wherein the protection circuit (19) is configured for blocking the power circuit (9) of the plurality of load branches (2) via its output terminal (P o ) when a failure of the associated load (3) is detected on its input terminal (P i ).
    • 本发明涉及一种驱动电路(1),包括: - 电压源(5), - 彼此并联耦合的多个负载分支(2);负载分支(2),包括负载(3) 与电源电路(9)串联,电源电路(9)被配置为提供相关负载(3)中的电流的局部调节;以及 - 用于控制电源电路(9)的偏置电路(6) 的负载分支(2),其中保护电路(19)与每个负载分支(2)相关联;保护电路(19),包括耦合在负载(3)和电源电路(3)之间的输入端子 9)和耦合到偏置电路(6)的输出端(Po),其中保护电路(19)被配置为阻塞多个负载分支(2)中的电源电路(9) )当在其输入端子(Pi)上检测到相关联的负载(3)的故障时,经由其输出端子(Po)。