公开(公告)号：US12126332B2

公开(公告)日：2024-10-22

申请号：US17915095

申请日：2021-07-02

Applicant: CRM ICBG (WUXI) CO., LTD.

Inventor： Weizhong Liu ,  Yaping Jiang

IPC: H03K17/22 ,  G01R19/165 ,  G05F1/569 ,  H03K17/082 ,  H03K19/0175 ,  H03K19/173

CPC classification number: H03K17/22 ,  G01R19/16566 ,  G05F1/569 ,  H03K17/0822 ,  H03K19/0175 ,  H03K19/1732

Abstract: A circuit structure for realizing circuit pin multiplexing, comprising an MCU module, a temperature sensing circuit and a functional module circuit. The output end of the temperature sensing circuit is connected with an enable signal interface of the MCU module, the output voltage of the temperature sensing circuit is always higher than the threshold voltage of the enable signal, and the MCU module is connected with the functional module circuit. The circuit structure of the present invention realizes the mutual influence of analog signal output and digital signal transmission by designing a temperature sensing output curve, and achieves multi-function multiplexing of a single pin, so that the output of the analog signal and the input of the digital signal can share the pins, it solves the problem of the limitation of the number of pins, and promotes the transmission of the signal and improves the cost performance of the circuit.

公开(公告)号：US20240345609A1

公开(公告)日：2024-10-17

申请号：US18629982

申请日：2024-04-09

Applicant: TRITIUM ELECTRONICS PTE. LTD.

Inventor： Zhi-Xin Chen ,  Lu-An Chen

IPC: G05F1/569 ,  G05F1/56 ,  G05F1/575 ,  H02M1/32

CPC classification number: G05F1/569 ,  G05F1/561 ,  G05F1/575 ,  H02M1/32

Abstract: A linear power converter circuit comprising: an output transistor, wherein a gate of the output transistor is controlled by an error amplification signal for converting an input voltage into an output voltage; an error amplification circuit configured to amplify a difference between a reference voltage and a feedback voltage to generate the error amplification signal, thereby regulating the output voltage to a predetermined level, wherein the feedback voltage is related to the output voltage; and a first surge protection circuit configured to clamp the gate-source voltage of the output transistor when the slew rate of the input voltage exceeds a threshold, thereby limiting the current through the output transistor to not exceed a predetermined upper limit.

公开(公告)号：US11966240B2

公开(公告)日：2024-04-23

申请号：US17517714

申请日：2021-11-03

Applicant: GlobalFoundries U.S. Inc.

Inventor： Siva K. Chinthu ,  Veerendranath P. Sundar

IPC: G05F1/569 ,  G05F1/575

CPC classification number: G05F1/569 ,  G05F1/575

Abstract: An apparatus includes an amplifier, a pass transistor connected to a load and to an input of the amplifier, and a capacitor connected between the amplifier and the pass transistor.

公开(公告)号：US20240056069A1

公开(公告)日：2024-02-15

申请号：US17887153

申请日：2022-08-12

Applicant: Hamilton Sundstrand Corporation

Inventor： John Dickey

IPC: H03K17/082 ,  G05F1/569 ,  H02H9/02

CPC classification number: H03K17/0822 ,  G05F1/569 ,  H02H9/025

Abstract: A power system includes a field effect transistor (FET) with a first terminal, a gate terminal, and a third terminal. A Zener diode is connected in series between the first terminal of the FET and the gate terminal of the FET. The Zener diode is oriented to allow current through the Zener diode only if its voltage difference is at or over the Zener voltage of the Zener diode. A capacitor is connected in parallel with the Zener diode. The capacitor is configured to raise gate drive current of the FET during a rising edge of a lightning transient and thereby reduce voltage drop across the FET faster than the Zener diode can do on its own.

公开(公告)号：US11709514B2

公开(公告)日：2023-07-25

申请号：US17610969

申请日：2020-04-27

Applicant: AutoNetworks Technologies, Ltd. ,  Sumitomo Wiring Systems, Ltd. ,  Sumitomo Electric Industries, Ltd.

Inventor： Kazushi Shimamoto ,  Yuuki Sugisawa

IPC: G05F1/569 ,  H01L29/866 ,  H02J9/06

CPC classification number: G05F1/569 ,  H01L29/866 ,  H02J9/061

Abstract: A voltage regulator is provided wherein electricity flows through a second transistor in an operating state in which a control unit) applies an operating voltage to a base of the second transistor. A Zener diode sets, in the operating state, a voltage of a second conductive path to a voltage corresponding to a voltage across the Zener diode. A current corresponding to an addition value obtained by adding a value of a current flowing through a second resistor portion in the operating state, a value of a current flowing through a third resistor portion in the operating state, and a value of a current flowing through the Zener diode in the operating state flows through a ground-side resistor portion. A control unit stops the output of the operating voltage when a voltage of the second conductive path is lower than or equal to a threshold value.

公开(公告)号：US20190235551A1

公开(公告)日：2019-08-01

申请号：US16381541

申请日：2019-04-11

Applicant: STMicroelectronics (Alps) SAS

Inventor： Alexandre Pons

IPC: G05F1/59 ,  G05F1/569 ,  H02J7/06 ,  H03F3/45 ,  H02J7/02 ,  G05F1/56 ,  H01R24/60

CPC classification number: G05F1/59 ,  G05F1/56 ,  G05F1/569 ,  H01R24/60 ,  H01R2107/00 ,  H02J7/022 ,  H02J7/06 ,  H02J2007/10 ,  H03F3/45071 ,  H03F2203/45521 ,  H03F2203/45641

Abstract: A low dropout voltage regulator unit includes an error amplifier and a power stage having an output terminal that is looped back onto the error amplifier and is capable of delivering an output current to a load. The unit includes multiple main supply inputs that are intended to potentially receive, respectively, multiple different supply voltages. The power stage includes multiple power paths that are connected, respectively, between the main supply inputs and the output terminal, are individually selectable and each comprise an output transistor. The unit also includes a selector circuit connected to the main supply inputs and configured to select one of the power paths according to a selection criterion. The error amplifier includes an output stage configured to selectively control the output transistor of the selected power path.

公开(公告)号：US20190190259A1

公开(公告)日：2019-06-20

申请号：US16301071

申请日：2017-05-10

Applicant: PHOENIX CONTACT GMBH & CO KG

Inventor： Holger LUDWIG ,  Volker WESKAMP

IPC: H02H11/00 ,  H02M3/158 ,  H02M1/08

CPC classification number: H02H11/002 ,  G05F1/569 ,  H02H7/1213 ,  H02M1/08 ,  H02M1/4225 ,  H02M3/158 ,  H02M3/1582 ,  H02M2001/0009 ,  H02M2001/0051 ,  H02M2001/0077

Abstract: A voltage transformer comprising a first input terminal and a second input terminal. An input voltage can be applied between the first input terminal and the second input terminal, a switch branch having a switch, wherein the switch is designed to close a circuit path between the first input terminal and the second input terminal, and a reverse polarity protection diode, which, in the switch branch, is connected in series with the switch.

公开(公告)号：US09651959B2

公开(公告)日：2017-05-16

申请号：US14922059

申请日：2015-10-23

Applicant: ANPEC ELECTRONICS CORPORATION

Inventor： Chih-Yuan Chen ,  Tzu-Yang Yen

IPC: H02M1/00 ,  H02M3/156 ,  G05F1/569 ,  G05F1/577 ,  G05F1/56

CPC classification number: G05F1/56 ,  G05F1/569 ,  G05F1/577 ,  H02M3/156 ,  H02M3/158 ,  H02M2001/008 ,  H02M2001/009

Abstract: The present disclosure illustrates a single-inductor dual-output (SIDO) power converter for hysteresis current control mode and a control method thereof. In the SIDO power converter provided by the instant disclosure, a detecting circuit, connected to the upper bridge transistor, determines whether the inductive current reaches the upper limit threshold or the lower limit threshold, and further drives a control circuit to turn on or off the corresponding upper bridge transistor and/or the lower bridge transistor, so as to simplify the operation of the hysteresis current control mode.

公开(公告)号：US09582017B2

公开(公告)日：2017-02-28

申请号：US14320999

申请日：2014-07-01

Applicant: STMicroelectronics Design and Application s.r.o.

Inventor： Sandor Petenyi

IPC: G05F1/625 ,  G05F1/569 ,  H02H7/12 ,  H02J7/00

CPC classification number: G05F1/625 ,  G05F1/569 ,  H02H7/1213 ,  H02J7/0072

Abstract: The reversal of the flow of output current in a voltage regulator is prevented by equipping the voltage regulator of a regulation transistor controlled by an analog voltage control, having its current terminals connected between the control terminal of the fifth transistor power of the regulator and the power supply line or the common ground node of the regulator. The regulation transistor is configured to provide an electrical path of conduction between the control terminal and the power supply line or the ground node and is controlled by an analog voltage control that varies in a continuous manner between a first level, suitable to extinguish the regulation transistor, and a second level suitable for biasing it in an operating condition of deep conduction, as the difference between the supply voltage and the regulated output voltage approaching an offset voltage.

Abstract translation: 通过装配由模拟电压控制器控制的调节晶体管的电压调节器来防止电压调节器中的输出电流的反转，其电流端子连接在调节器的第五晶体管功率的控制端和电源 供电线路或调节器的公共接地节点。 调节晶体管被配置为提供控制端与电源线或接地节点之间的导通电路，并且通过模拟电压控制来控制，该模拟电压控制以连续的方式在适于熄灭调节晶体管的第一电平之间变化 以及适于在深导通的操作条件下偏置它的第二电平，因为电源电压和调节的输出电压之间的差接近偏移电压。

公开(公告)号：US09362901B2

公开(公告)日：2016-06-07

申请号：US14831345

申请日：2015-08-20

Applicant: International Business Machines Corporation

Inventor： Jamaica L. Barnette ,  Nicholas Celenza ,  Brian C. Totten

IPC: H02H7/20 ,  H03K17/08 ,  H03K17/693 ,  G06F13/40 ,  H03K17/687 ,  H02H9/00 ,  G05F1/569

CPC classification number: H03K17/08 ,  G05F1/569 ,  G06F13/40 ,  G06F13/4081 ,  H02H7/20 ,  H02H7/205 ,  H02H9/004 ,  H03K17/687 ,  H03K17/693

Abstract: A method for controlling the in-rush current to a hot plug device. The method includes providing a series of turn on pulses to the gates of a plurality of turn on FETs on a hot plug device coupled to a direct current power source, wherein each pulse causes the plurality of FETs to pass current from the direct current power source to a subsystem of the hot plug device, and wherein each pulse has a duration that ends before the impedance of the turn on FETs falls below a safe operating region. The method further includes providing a steady turn on signal to the FETs in response to the output voltage from the FETs to a subsystem of the hot plug device exceeding a predetermined voltage threshold.

Abstract translation: 一种用于控制到热插拔装置的浪涌电流的方法。 该方法包括在耦合到直流电源的热插拔装置上向多个转向FET的栅极提供一系列导通脉冲，其中每个脉冲使多个FET从直流电源 连接到热插拔设备的子系统，并且其中每个脉冲具有在导通FET之间的阻抗下降到安全工作区域之前结束的持续时间。 该方法还包括响应于来自FET的输出电压到超过预定电压阈值的热插拔装置的子系统，向FET提供稳定的导通信号。