公开(公告)号：US20120098513A1

公开(公告)日：2012-04-26

申请号：US13277435

申请日：2011-10-20

申请人： Akihiro TERADA ,  Kohei SAKURAI ,  Yoichi TAKANO

发明人： Akihiro TERADA ,  Kohei SAKURAI ,  Yoichi TAKANO

IPC分类号： G05F1/10

CPC分类号： G05F1/5735 ,  G05F1/575

摘要： A regulator includes a transistor connected between an input and an output. A feedback voltage controls the transistor to keep the output voltage constant. A first circuit functions as a comparator to compare a detection voltage from the output of the transistor and the feedback voltage when the output current is higher than a predetermined value, and functions as a buffer when the output current is lower than the predetermined value. A second circuit receives a reference voltage, the feedback voltage, and an output from the first circuit, and generates (i) a difference between the feedback voltage and the first circuit output when the reference voltage is lower than the first circuit output, and (ii) a difference voltage between the feedback voltage and the reference voltage when the reference voltage is higher than the first circuit output, and supplies a control voltage to control the output of the transistor.

摘要翻译： 调节器包括连接在输入和输出之间的晶体管。 反馈电压控制晶体管以保持输出电压恒定。 当输出电流高于预定值时，第一电路用作比较器以比较来自晶体管的输出的检测电压和反馈电压，并且当输出电流低于预定值时用作缓冲器。 第二电路接收参考电压，反馈电压和来自第一电路的输出，并且当参考电压低于第一电路输出时产生（i）反馈电压与第一电路输出之间的差异，以及（ ii）当参考电压高于第一电路输出时反馈电压和参考电压之间的差值电压，并提供控制电压以控制晶体管的输出。

公开(公告)号：US20240146300A1

公开(公告)日：2024-05-02

申请号：US18495945

申请日：2023-10-27

申请人： Yoichi TAKANO ,  Kohei SAKURAI

发明人： Yoichi TAKANO ,  Kohei SAKURAI

IPC分类号： H03K17/687 ,  H03K19/20

CPC分类号： H03K17/6871 ,  H03K19/20 ,  H03K2217/0054

摘要： Disclosed is a semiconductor integrated circuit device including: a switching transistor connected between a voltage input terminal where DC voltage is input and a voltage output terminal; a discharging transistor connected between the voltage output terminal and a ground point; an external terminal where a control signal of an external device is input; and a control circuit including a logic circuit and controlling and turning on or off the switching transistor and the discharging transistor based on the control signal. Upon the control signal input to the external terminal being at a first logic level, the logic circuit generates a signal that turns on the switching transistor and turns off the discharging transistor. Upon the control signal being at a second logic level, the logic circuit generates a signal that turns off the switching transistor and turns on the discharging transistor.

公开(公告)号：US20160197554A1

公开(公告)日：2016-07-07

申请号：US14975973

申请日：2015-12-21

申请人： Kohei SAKURAI ,  Yoichi TAKANO

发明人： Kohei SAKURAI ,  Yoichi TAKANO

IPC分类号： H02M3/158

CPC分类号： G05F1/56 ,  G01R19/00

摘要： A power circuit includes an input terminal to which an input voltage is applied; a control element which generates an output voltage obtained by regulating the input voltage; an output terminal from which the output voltage is output; a discharge circuit which discharges by extracting an electric charge from the control element on a side of the output terminal; a drive circuit which generates a drive current for causing the discharge circuit to operate using power of the control element on the side of the input terminal; a detection circuit which detects the output voltage; and a discharge control circuit which decreases a current value of the drive current to a current value enabling the discharge circuit to continuously operate in a case where the detection circuit detects that the output voltage reaches a setup voltage by an operation of the discharge circuit.

摘要翻译： 电源电路包括施加输入电压的输入端子; 产生通过调节输入电压而获得的输出电压的控制元件; 输出电压输出的输出端子; 放电电路，其通过从所述输出端子侧的所述控制元件提取电荷而放电; 驱动电路，其利用所述输入端子侧的所述控制元件的电力产生使所述放电电路动作的驱动电流; 检测电路的检测电路; 以及放电控制电路，其在检测电路通过放电电路的操作检测到输出电压达到设定电压的情况下，将驱动电流的电流值减小到使得放电电路能够连续工作的电流值。

公开(公告)号：US20220074973A1

公开(公告)日：2022-03-10

申请号：US17446480

申请日：2021-08-31

申请人： Yoichi TAKANO ,  Kohei SAKURAI

发明人： Yoichi TAKANO ,  Kohei SAKURAI

IPC分类号： G01R19/00 ,  H03K17/16

摘要： A current detecting circuit includes a first switching element, a second switching element, and a third switching element electrically coupled in series with the first switching element. An output side of the third switching element is electrically coupled to an output terminal. The current detecting circuit includes a current amplifier configured to detect a difference between a first output voltage of the first switching element and a second output voltage of the second switching element. The current amplifier outputs a relative current to be used for detecting an output current that flows out from the output terminal. A ratio of resistance associated with the first switching element to resistance associated with the second switching element is n:1.

公开(公告)号：US20190004558A1

公开(公告)日：2019-01-03

申请号：US16020948

申请日：2018-06-27

申请人： Kohei SAKURAI ,  Yoichi TAKANO

发明人： Kohei SAKURAI ,  Yoichi TAKANO

IPC分类号： G05F3/26 ,  G05F1/10 ,  G09G3/20 ,  H03K17/12 ,  H03K17/22 ,  H02M3/07

摘要： A negative power supply control circuit which controls a negative voltage regulator circuit based on a positive voltage control signal, the negative power supply control circuit including: a control signal input terminal; a negative voltage input terminal; a negative voltage control signal output terminal; a voltage current conversion circuit; a first current source; and a first clamp circuit, wherein the first clamp circuit clamps a voltage at a first intermediate point between the first clamp circuit and the first current source by limiting a current flowing in the first clamp circuit according to the voltage at the first intermediate point in a period when a current flows in the voltage current conversion circuit, and the negative voltage control signal is generated based on a voltage or a current in a current path through the voltage current conversion circuit, the first clamp circuit and the first current source.

公开(公告)号：US20090285107A1

公开(公告)日：2009-11-19

申请号：US12466088

申请日：2009-05-14

申请人： Kohei SAKURAI ,  Marco Serafini ,  Neeraj Suri

发明人： Kohei SAKURAI ,  Marco Serafini ,  Neeraj Suri

IPC分类号： H04L12/26 ,  G08C15/00

CPC分类号： B60W50/02 ,  H04L41/06 ,  H04L41/0681 ,  H04L41/0893 ,  H04L41/30 ,  H04L43/0817 ,  H04L43/16

摘要： The present invention relates to a method and apparatus for monitoring a status of nodes of a communication network. The method determines first node status data at a first node by diagnosing the own status of the first node and the status of at least one second node, sends the first node status data to at least one second node, receives second node status data from at least one second node, and determines node status evaluation data at the first node based on the determined first node status data and the received second node status data. Furthermore, improvements are proposed for the sake of efficiency and/or robustness of the method.

摘要翻译： 本发明涉及一种用于监视通信网络节点状态的方法和装置。 该方法通过诊断第一节点的自身状态和至少一个第二节点的状态来确定第一节点处的第一节点状态数据，将第一节点状态数据发送到至少一个第二节点，从第一节点接收第二节点状态数据 至少一个第二节点，并且基于所确定的第一节点状态数据和所接收的第二节点状态数据来确定第一节点处的节点状态评估数据。 此外，为了方法的效率和/或鲁棒性，提出了改进。

公开(公告)号：US20120170464A1

公开(公告)日：2012-07-05

申请号：US13418985

申请日：2012-03-13

申请人： Kohei SAKURAI ,  Marco Serafini ,  Neeraj Suri

发明人： Kohei SAKURAI ,  Marco Serafini ,  Neeraj Suri

IPC分类号： H04L12/26

CPC分类号： B60W50/02 ,  H04L41/06 ,  H04L41/0681 ,  H04L41/0893 ,  H04L41/30 ,  H04L43/0817 ,  H04L43/16

摘要： The present invention relates to a method and apparatus for monitoring a status of nodes of a communication network. The method determines first node status data at a first node by diagnosing the own status of the first node and the status of at least one second node, sends the first node status data to at least one second node, receives second node status data from at least one second node, and determines node status evaluation data at the first node based on the determined first node status data and the received second node status data. Furthermore, improvements are proposed for the sake of efficiency and/or robustness of the method.

摘要翻译： 本发明涉及一种用于监视通信网络节点状态的方法和装置。 该方法通过诊断第一节点的自身状态和至少一个第二节点的状态来确定第一节点处的第一节点状态数据，将第一节点状态数据发送到至少一个第二节点，从第一节点接收第二节点状态数据 至少一个第二节点，并且基于所确定的第一节点状态数据和所接收的第二节点状态数据来确定第一节点处的节点状态评估数据。 此外，为了方法的效率和/或鲁棒性，提出了改进。

公开(公告)号：US20220075403A1

公开(公告)日：2022-03-10

申请号：US17458048

申请日：2021-08-26

申请人： Kohei SAKURAI ,  Shinichiro MAKI

发明人： Kohei SAKURAI ,  Shinichiro MAKI

IPC分类号： G05F1/575 ,  G05F3/26 ,  G05F1/573 ,  G05F1/571

摘要： A power supply semiconductor IC includes: an output transistor connected between a voltage-input terminal and a voltage-output terminal; a control circuit that controls the output transistor based on a feedback voltage of an output voltage; a current-limit circuit that limits an output current of the output transistor such that the output current is not equal to or greater than a current limit; a first transistor constituting a current-mirror circuit with the output transistor; a short-circuit-fault detection circuit that detects a short circuit of the voltage-output terminal based on a voltage across a resistor connected in series to the first transistor; and a first output terminal that outputs a detection result of the short-circuit-fault detection circuit. The current limit is within a detection range of the short-circuit-fault detection circuit. The short-circuit-fault detection circuit detects a short circuit of the voltage-output terminal even while the current limit circuit limits the output current.

公开(公告)号：US20190179352A1

公开(公告)日：2019-06-13

申请号：US16212491

申请日：2018-12-06

申请人： Kohei SAKURAI

发明人： Kohei SAKURAI

IPC分类号： G05F1/575 ,  G05F1/565

摘要： A regulator circuit includes an output controlling transistor and a controller circuit. The output controlling transistor is connected between a voltage input terminal and an output terminal. The controller circuit includes an error amplifier circuit which controls the output controlling transistor according to an output feedback voltage. The error amplifier circuit includes a differential input stage, an output stage and a current increasing/decreasing circuit. The differential input stage includes input transistors and a current source. The output stage includes a current source and a transistor connected in series with the current source and amplifies a potential at one output node of the differential input stage. The current increasing/decreasing circuit includes an element having a temperature characteristic, and increases or decreases a current of the differential input stage or the current of the output stage according to the temperature characteristic.

公开(公告)号：US20100211258A1

公开(公告)日：2010-08-19

申请号：US12772594

申请日：2010-05-03

申请人： Kohei SAKURAI ,  Yuichiro Morita ,  Masatoshi Hoshino ,  Yoshiaki Takahashi ,  Kenichi Kurosawa ,  Masahiro Matsubara

发明人： Kohei SAKURAI ,  Yuichiro Morita ,  Masatoshi Hoshino ,  Yoshiaki Takahashi ,  Kenichi Kurosawa ,  Masahiro Matsubara

IPC分类号： B60W50/02

CPC分类号： B60W50/0205

摘要： In a vehicle control system in which a large number of ECUs operate in coordination via a network, each node has an intra-network node status determination section, other node's status decision transmitting/other nodes' status decision receiving section, and failed-node identification section. The nodes exchange decisions made by the intra-network node status evaluation section with other nodes and thereby identify failed node.

摘要翻译： 在大量ECU通过网络协调运行的车辆控制系统中，每个节点具有网络内节点状态确定部分，其他节点的状态判定发送/其他节点的状态判定接收部分和故障节点识别 部分。 节点将网络内节点状态评估部分作出的决定与其他节点进行交换，从而识别故障节点。