会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Circuit for preventing operation of parasitic components in integrated
circuits having a power stage and low-voltage control circuitry
    • 用于防止具有功率级和低压控制电路的集成电路中的寄生元件的操作的电路
    • US5661430A
    • 1997-08-26
    • US529805
    • 1995-09-19
    • Sergio PalaraRaffaele Zambrano
    • Sergio PalaraRaffaele Zambrano
    • H01L27/04H01L27/02H01L29/78H03K17/08H03K17/687H03K17/16
    • H01L27/0248
    • An integrated circuit including a power stage, a low-voltage component separated from the power stage by an isolating region and a reference potential region at a reference potential. The power stage includes an N-type substrate region which may be biased to a terminal voltage with respect to the reference potential and the isolating region has P-type conductivity. The low-voltage component includes an N-type input region receiving an input voltage. The input voltage and the terminal voltage may oscillate a few tens of volts above or below the reference potential and turn on parasitic transistors. To prevent turning on of the parasitic transistors, switchable conductive paths are interposed between the isolating region on the one hand, and the substrate region, the input region and the reference potential region on the other, for electrically connecting the isolating region to one of the substrate region, input region and reference potential region which presents instant by instant the lowest potential.
    • 一种集成电路,包括功率级,通过隔离区与功率级分离的低电压分量和参考电位的参考电位区。 功率级包括可以相对于参考电位偏置到端电压的N型衬底区域,并且隔离区域具有P型导电性。 低电压分量包括接收输入电压的N型输入区域。 输入电压和端子电压可能会振荡高于或低于参考电位几十伏,并接通寄生晶体管。 为了防止寄生晶体管的导通,可切换的导电路径一方面插入在隔离区域与另一方面的衬底区域,输入区域和参考电势区域之间,用于将隔离区域电连接到 衬底区域,输入区域和参考电位区域,其立即呈现最低电位。
    • 9. 发明授权
    • Device for protecting a push-pull output stage against a short-circuit
between the output terminal and the positive pole of the supply
    • 用于保护推挽输出级免受电源的输出端子和正极之间短路的装置
    • US4644294A
    • 1987-02-17
    • US693777
    • 1985-01-23
    • Sergio PalaraAldo Torazzina
    • Sergio PalaraAldo Torazzina
    • H03F1/42H03F1/52H03F3/20H03F3/213H03F3/30
    • H03F1/52
    • A device for protecting a push-pull output stage (G.sub.v) against a short-circuit between the output terminal (A) and the positive pole (+V.sub.cc) of the supply, comprising a first (A.sub.1) and a second (A.sub.2) threshold comparator, both having a first input terminal coupled to the output terminal (A) of the output stage and both having a second input terminal coupled to a predetermined voltage reference. The reference potential (RIF.sub.1) to which the threshold comparator (A.sub.1) is coupled is kept at a potential which is lower than the other reference potential (RIF.sub.2) to which threshold comparator (A.sub.2) is coupled. The output terminal of the first comparator (A.sub.2) is coupled to the activation terminal of a low impedance circuit means (LI) inserted between the output terminal (A) of the output stage and the negative pole (-V.sub.cc) of the supply. The output terminal of the second comparator (A.sub.2) is coupled to an inhibitor terminal of the output power amplifier stage (G.sub.v).
    • 一种用于保护推挽输出级(Gv)抵抗电源的输出端(A)和正极(+ Vcc)之间的短路的装置,包括第一(A1)和第二(A2)阈值 比较器都具有耦合到输出级的输出端(A)的第一输入端,并且具有耦合到预定电压基准的第二输入端。 阈值比较器(A1)耦合到的参考电位(RIF1)保持在低于阈值比较器(A2)耦合到的另一参考电位(RIF2)的电位。 第一比较器(A2)的输出端子耦合到插入在输出级的输出端子(A)和电源的负极(-Vcc)之间的低阻抗电路装置(LI)的激活端子。 第二比较器(A2)的输出端耦合到输出功率放大器级(Gv)的抑制端。