Abstract: A semiconductor integrate circuit device includes: an output transistor connected between a voltage input terminal to which a DC voltage is input and a voltage output terminal; a control circuit that controls on/off of the output transistor; a proportional current generation circuit capable of generating a current proportionally smaller than a current flowing through the output transistor; an overcurrent detection circuit capable of detecting an overcurrent state of an output current by determining whether a current flowing through the output transistor is equal to or greater than a first predetermined current value, based on the current generated by the proportional current generation circuit; and a retry circuit that generates and outputs a signal for intermittently turning off the output transistor in response to the overcurrent detection circuit detecting the overcurrent state.

Abstract: An underarm gang operated vacuum break switch (underarm switch) has an electrically live portion under a mounting arm, which provides advantages over the standard vacuum break switch, which have the electrically live portion above the mounting arm. Because the non-electrified mounting arm is above the electrified portion, the underarm switch is safer for perching birds and other wildlife. The nature of the underarm switch also provides other benefits including a disconnect blade that when opened creates a visual gap to ensure electrical discontinuity along with a safety locking arm tied to deactivating the underarm switch. Adding to the safety measures is a visual indicator that shows an electrician when the switch is live and safe to open the disconnect blade. Other safety measures include a shock absorber assembly and inertia slowing mass protecting electrical contacts within the vacuum break switch from failing.

Abstract: A switch in an electronic device includes a substrate, a first signal line, a second signal line, and a ground bridge. The first signal line is on the substrate and extends in a first direction. The second signal line is on the substrate and is spaced apart from the first signal line in a first direction parallel with the first signal line to branch the wireless communication signal at a first point and a second point of the first signal line. The ground bridge is at least partially movable in a space between the first signal line and the second signal line. A first capacitor is between a first point of the first signal line and one end of the second signal line, and a second capacitor is between a second point of the first signal line and the other end of the second signal line.

Abstract: A valve-device (VD) for a vehicle-braking-system (VBS), and a VBS. A VD for a VBS, having first/second control-units (CU), which are electrically connectable to the VD, which includes a valve-unit (VU) with an actuator for actuating the VU, a valve housing (VH) for the VU, and an error protection module (EPM) outside the VH. The EPM includes first/second supply-ports (SP) for electrical attachment to the first/second CUs, first/second main-ports (MP) for electrical attachment to the first/second CUs, a first connection port (CP) electrically connected to the first/second SPs, for electrical connection to the actuator, a second CP electrically connected to the first/second MPs, for electrical connection to the actuator, first and second electric protective circuits (EPC). The first EPC is electrically connected between the first/second SPs, and the first CP. The second EPC is electrically connected between the second CP and the first/second MPs.

Abstract: A radio frequency integrated circuit (RFIC) device includes: a first RF input/output (I/O) terminal; a second RF I/O terminal, where the first and the second RF I/O terminals are configured to transmit or receive an RF signal; a capacitor coupled between the first and the second RF I/O terminals; a first coil coupled between the first and the second RF I/O terminals, where the first coil is configured to provide ESD protection to the capacitor during a first ESD event; and a fast transient ESD protection circuit coupled between the first and the second RF I/O terminals, where the fast transient ESD protection circuit is configured to provide ESD protection to the capacitor during a second ESD event different from the first ESD event, where a first rise time of the first ESD event is longer than a second rise time of the second ESD event.

Abstract: A protection circuit for an electric appliance that is configured to control power supply to an associated electrical component of the appliance such as a heating device, lamp or motor in the event that unsafe conditions are detected. The protection circuit includes a first comparator module configured to compare an operating parameter input signal to a threshold value and to output a first control signal to a first switching circuit configured to control power flow to the associated electrical component. The first comparator module is configured to receive an enable/disable signal from a first state-change latching device, which is responsive to a state change of the first control signal from the first comparator module, in response to which the state-change latching device changes the enable/disable signal from an enable state to a disable state thereby to set the first control signal into an off state.

Abstract: A computing device can include a processor; memory accessible to the processor; a lithium-ion battery; a power interface; magnet control circuitry operatively coupled to at least the power interface for receipt of electrical power; and a housing for the processor, the memory, the battery, the power interface and the magnet control circuitry, where the housing includes a first shell, a second shell, and an electropermanent magnet assembly that generates a magnetic force that couples the first shell to the second shell, where the electropermanent magnetic assembly is controllable via the magnet control circuitry to decrease the magnetic force to decouple the first shell from the second shell.

Abstract: The embodiments of the present application provide a test board, which is applied in temperature and humidity tests for a memory module, and includes: a memory slot configured to be connected with the memory module; a power supply terminal configured to supply power to the memory module; an overcurrent protection unit connected in series between the memory slot and the power supply terminal and configured to be blown when the memory module is short-circuited; and an indicating unit connected in series between the overcurrent protection unit and a ground terminal and configured to indicate a state of the overcurrent protection unit. The embodiments of the present application provide a test board capable of indicating temperature and humidity test results.

Abstract: A load control device may control power delivered to an electrical load from an AC power source. The load control device may include a controllably conductive device adapted to be coupled in series electrical connection between the AC power source and the electrical load, a zero-cross detect circuit configured to generate a zero-cross signal representative of the zero-crossings of an AC voltage. The zero-cross signal may be characterized by pulses occurring in time with the zero-crossings of the AC voltage. The load control device may include a control circuit operatively coupled to the controllably conductive device and the zero cross detect circuit. The control circuit may be configured to identify a rising-edge time and a falling-edge time of one of the pulses of the zero-cross signal, and may control a conductive state of the controllably conductive device based on the rising-edge time and the falling-edge time of the pulse.

Abstract: A direct-current circuit breaker that includes: an interrupter; a resonance circuit including a capacitor, a reactor, and an activation switch; a voltage detection circuit; a charging circuit including a charging resistor and a charging switch; and a control circuit. The control circuit closes the charging switch to charge the capacitor, and thereafter, the control circuit opens the charging switch when the charging voltage exceeds a first voltage value, and closes the charging switch when the charging voltage falls below a second voltage value that is smaller than the first voltage value.

Abstract: Circuits and methods for determining the characteristics of swappable pins in a peripheral in a 1-Wire or similar single-conductor system, thereby allowing each one of two pins to be either an I/O pin (connected to an I/O line) or a CAP pin (connected to a storage capacitor). Embodiments preform the following functions: detecting the initial phase of device startup; determining which of pins A and B is coupled to an I/O line (and thus is the I/O pin), and which is coupled to the storage capacitor (and thus is the CAP pin); and generating a flag signal indicating that determination to other circuitry within the peripheral. Detection of pin characteristics is determined at device startup by latching the fastest rising signal on pins A and B, flagging that signal line as being the I/O line, and preventing further changes to the latch output until the next startup cycle.

Abstract: A semiconductor integrated circuit is provided, including: a first switch circuit; a logic circuit, coupled to the first switch circuit, a first floating diffusion point being defined between the first switch circuit and the logic circuit; a second switch circuit, coupled to the logic circuit, a second floating diffusion point being defined between the second switch circuit and the logic circuit; and a voltage holding circuit, coupled to the first floating diffusion point and the second floating diffusion point, and used to adjust the voltages of the floating diffusion points. The voltage holding circuit increases or decreases the voltage values of the first floating diffusion point and the second floating diffusion point. Thereby, the influence of long recovery time on the semiconductor integrated circuit is improved, and the stability is ensured.

Abstract: A current sense amplifier circuit of a circuit device includes: an operational amplifier; a first resistor provided between one end of a shunt resistor and a first node, a first switch provided between the first node and a first input node, a second resistor provided between another end of the shunt resistor and a second node, a second switch provided between the second node and a second input node, a third resistor provided between a constant voltage node and the third node, a third switch provided between the third node and the first input node, a fourth resistor provided between the constant voltage node and a fourth node, and a fourth switch provided between the fourth node and the second input node.

Abstract: This encoder comprises: an encoder main circuit that is driven using an encoder main circuit driving voltage supplied from at least one internal power source to generate rotation information of a rotating element; an overvoltage breakdown prevention circuit that generates an abnormality detection unit driving voltage on the basis of a voltage supplied from a main power source; an abnormality detection unit that is driven using the abnormality detection unit driving voltage outputted from the overvoltage breakdown prevention circuit to detect an abnormality related to the internal power source; and a cut-off circuit that cuts off supply of the encoder main circuit driving voltage from the internal power source to the encoder main circuit upon detection by the abnormality detection unit of an abnormality.

Abstract: The present invention discloses a vessel power safety control system and operating method thereof. The vessel power safety control system includes a load power management module, a real-time monitoring module, an integration module and a power module. The present invention can assist the autonomous ship as any occurrence of fault during navigation. Once the accident occurs, the load power management module will give an instruction to control the DC bus to switch from closed circuit to open circuit to protect other equipment. After determining whether the errors of the equipment on board is eliminated, the load power management system performs automatic system reset procedure. As such, the DC bus can be converted from an open circuit to a closed circuit to restart the power supply for the facility.

Abstract: There is provided an electrostatic chuck assembly including: an electrode-embedded ceramic plate; a cooling plate that supports a bottom surface of the ceramic plate and has an internal space of an annular or arcuate shape; an internal fixation member of an annular or arcuate shape accommodated in the internal space so as to be rotatable about a central axis of the cooling plate; female threads in a multiple of n, which is an integer of 2 or more, spaced apart from each other in the internal fixation member; and n insertion holes for insertion of bolts for being fixed to a chamber, the insertion holes each being provided at the bottom of the cooling plate such that one set of n female threads is exposed. Each of the female threads is disposed such that another set of n female threads is exposed in the insertion holes when rotated.

Abstract: The present invention provides a wind turbine comprising a lightning protection system for providing an electrical conduction path suitable for conducting lightning from the rotor to electrical ground. The lightning protection system comprises a shroud which is electrically coupled to a wind turbine bearing housing and a wind turbine hub and/or the front end of the main shaft. The shroud forms part of the electrical conduction path so to electrically couple a wind turbine rotor to the bearing housing via a short circuit path that bypasses the bearing arrangement.

Abstract: The present invention relates to a battery disconnect unit including a fuse connected to a battery pack, the fuse being configured to interrupt overcurrent of the battery pack, at least one sensor configured to measure voltage or current of the battery pack, at least one relay configured to connect or disconnect the battery pack and the load to or from each other based on a value of the voltage or the current measured by the sensor, a housing configured to allow the fuse, the sensor, and the relay to be mounted therein, and a moving plate configured to fix the relay and the sensor to the housing, the position of the moving plate being changeable depending on sizes of the relay and the sensor.

Abstract: Apparatus and associate methods relate to desaturation protection of a metal-oxide-semiconductor field-effect transistor (MOSFET) or an insulated-gate bipolar transistor (IGBT). Desaturation protection circuitry provides desaturation protection to the MOSFET or IGBT as well protection of the desaturation protection circuitry, should such circuitry be connected to reverse power. The desaturation protection circuitry determines a desaturation condition based on a control voltage generated by a Zener-diode-resistor network conductively coupled between first and second conduction nodes of the MOSFET or IGBT. The Zener-diode-resistor network is coupled to first and second conduction nodes via a rectifying diode that is configured to protect the desaturation protection circuitry from reverse bias power. Negative feedback limits current through a signal isolation device that is conductively isolated from the output node, which indicates whether the desaturation condition has been determined.

Abstract: The voltage monitoring circuit according to one embodiment of the present invention comprises: a clamping unit for clamping the voltage of input power supplied from a power source to base voltage, and outputting to an MCU; and a switch unit for cutting off the input power from the power source if an anomaly occurs with the base voltage of the clamping unit.