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1. 发明申请

US20140300193A1 POWER SAFETY CIRCUIT, INTEGRATED CIRCUIT DEVICE AND SAFETY CRITICAL SYSTEM 有权
标题翻译：电力安全电路，集成电路设备和安全关键系统
公开(公告)号：US20140300193A1
公开(公告)日：2014-10-09
申请号：US14354278
申请日：2011-10-27
申请人： Philippe Givelin , Valerie Bernon-Enjalbert , Guillaume Founaud
发明人： Philippe Givelin , Valerie Bernon-Enjalbert , Guillaume Founaud
IPC分类号： H02J9/06
CPC分类号： H02J9/061 , B60R21/0173 , B60T8/885 , B60T2270/414 , Y10T307/615
摘要： A power safety circuit comprises a power sense terminal; an output terminal; an output driver unit connected to the output terminal; an input terminal connectable to receive a first power from a power source and arranged to supply the first power to the output driver unit; and a power detection unit arranged to detect a state of the input terminal and provide a power sense signal to the power sense terminal; wherein the power sense terminal is arranged to supply a second power to the output driver unit when the power sense signal indicates a level of the first power below a minimum level for driving the output terminal. An integrated circuit device comprises at least one power safety circuit. A safety critical system comprises at least one integrated circuit device with at least one power safety circuit.
摘要翻译：电源安全电路包括电源检测端子; 输出端子; 连接到输出端子的输出驱动器单元; 输入端子，其可连接以从电源接收第一功率并被布置成将第一功率提供给所述输出驱动器单元; 以及功率检测单元，被配置为检测所述输入端子的状态并向所述功率检测端子提供功率检测信号; 其中所述功率检测端子被布置成当所述功率检测信号指示所述第一功率的电平低于用于驱动所述输出端子的最小电平时，向所述输出驱动器单元提供第二功率。集成电路装置包括至少一个电力安全电路。安全关键系统包括具有至少一个电力安全电路的至少一个集成电路装置。

2. 发明授权

US09620992B2 Power safety circuit, integrated circuit device and safety critical system 有权
公开(公告)号：US09620992B2
公开(公告)日：2017-04-11
申请号：US14354278
申请日：2011-10-27
申请人： Philippe Givelin , Valerie Bernon-Enjalbert , Guillaume Founaud
发明人： Philippe Givelin , Valerie Bernon-Enjalbert , Guillaume Founaud
IPC分类号： H02J7/00 , H02J9/06 , B60R21/017 , B60T8/88
CPC分类号： H02J9/061 , B60R21/0173 , B60T8/885 , B60T2270/414 , Y10T307/615
摘要： A power safety circuit comprises a power sense terminal; an output terminal; an output driver unit connected to the output terminal; an input terminal connectable to receive a first power from a power source and arranged to supply the first power to the output driver unit; and a power detection unit arranged to detect a state of the input terminal and provide a power sense signal to the power sense terminal; wherein the power sense terminal is arranged to supply a second power to the output driver unit when the power sense signal indicates a level of the first power below a minimum level for driving the output terminal. An integrated circuit device comprises at least one power safety circuit. A safety critical system comprises at least one integrated circuit device with at least one power safety circuit.

3. 发明授权

US09638744B2 Integrated circuit device, safety circuit, safety-critical system and method of manufacturing an integrated circuit device 有权
公开(公告)号：US09638744B2
公开(公告)日：2017-05-02
申请号：US14409486
申请日：2012-07-02
申请人： Valérie Bernon-Enjalbert , Guillaume Founaud , Yuan Gao , Philippe Givelin
发明人： Valérie Bernon-Enjalbert , Guillaume Founaud , Yuan Gao , Philippe Givelin
IPC分类号： G01R31/28 , H01L21/762 , H01L21/22 , H01L29/06 , G01R31/3187 , G01R31/3177 , G06F17/50 , H01L27/02
CPC分类号： G01R31/2851 , G01R31/3177 , G01R31/3187 , G06F17/5045 , G06F2217/70 , H01L21/22 , H01L21/76224 , H01L27/0207 , H01L29/0642 , H01L29/0649
摘要： An integrated circuit device comprises a first integrated circuit and a second integrated circuit wherein the first and second integrated circuits are comprised on a single semiconductor die. The second integrated circuit is a safety circuit arranged to monitor the operation of the first integrated circuit, report any detected faults and drive the device into a failsafe state if a fault is detected. The first integrated circuit may be a power management module for a safety critical system. An isolation barrier in the form of a trench is formed between the two integrated circuits so that the safety circuit is protected from any high voltage or thermal stresses arising in the first integrated circuit. The device has particular application to automotive safety-critical systems such as electric power steering systems.

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