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发明授权
US4178619A Protective integrated circuit network, particularly for connection to an inductive load 失效
保护性集成电路网络，特别适用于连接到感性负载

Protective integrated circuit network, particularly for connection to an inductive load
摘要：
To permit entire integration of a control circuit to switch an inductive load, and protect the integrated control circuit against inductive voltage kicks, voltage surges, and reverse polarity, a series circuit including a diode, which may be constructed as a transistor in diode connection, and a voltage limiting element, typically a Zener diode, or a Zener diode controlled transistor, or four-layer diode are connected in parallel to the main switching path of the semiconductor element which controls current flow through the inductive load, thereby eliminating the necessity of the free wheeling and anti-conductive voltage kick diode which, in combination with the inherent substrate diodes of the inductive circuit, might lead to the damage, or destruction of the IC.
摘要（中）：

为了允许控制电路整体集成以转换感性负载，并且保护集成控制电路免受感应电压踢，电压浪涌和反极性的影响，包括二极管的串联电路可以被构造为二极管连接中的晶体管， 并且通常是齐纳二极管或齐纳二极管控制晶体管或四层二极管的电压限制元件并联连接到半导体元件的主开关路径，该半导体元件控制电流通过电感负载，从而消除 与感应电路的固有衬底二极管组合的续流和反导电压脚踏二极管可能导致IC的损坏或破坏。

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