Abstract: The memory device of the disclosure includes a fuse voltage generator, a fuse storage and a logic circuit. The fuse voltage generator generates a fuse voltage in response to an enable signal having a first logic level, and stop generating the fuse voltage in response to the enable signal having a second logic level. The fuse storage storages a setting data of the memory device. The fuse storage outputs the setting data in response to the fuse voltage. The logic circuit generates the enable signal in response to at least two operating signals.

Abstract: In an inverter that includes a smoothing capacitor and a plurality of power modules, the smoothing capacitor includes a plurality of columnar unit capacitors each having electrodes at both ends thereof, a one-end-side bus plate connected to the electrode at one end of each unit capacitor, and an other-end-side bus plate connected to the electrode at the other end of the unit capacitor. The unit capacitors are arranged, with axes thereof parallel to each other, side by side in a direction perpendicular to the axes. The plurality of power modules is arranged, with respect to the smoothing capacitor, side by side in a direction perpendicular to the axes of the unit capacitors.

Abstract: There are provided a connector and a mounting structure, the connector including: a terminal fitting; an electric wire connected to the terminal fitting; a housing that includes a fitting portion having a shape protruding in a fitting direction with a mating part and accommodating the terminal fitting, an outer wall portion defining an internal space in which the electric wire is routed, and a hollow convex portion formed by a part of the outer wall portion protruding outward to have a convex shape in the fitting direction; and a fuse that includes a fused portion accommodated in a hollow portion of the convex portion and is connected to the electric wire.

Abstract: Smart labels, methods of operating smart labels, and associated contexts in which such smart labels may be used are disclosed. The smart label, for use in conjunction with consumer product packaging, comprises an energy harvester to capture ambient energy to provide a source of electrical energy and electronic circuitry powered by the electrical energy. A fuse provides an electrical connection between the energy harvester and the electronic circuitry and destruction of the fuse permanently disconnects the energy harvester from the electronic circuitry. Unnecessary continued operation of the electronic circuitry powered by the energy harvester can therefore be prevented, for example when the consumer product packaging is disposed of or recycled, which may be an undesirable heat source. Smart labelling, and a connected network of smart bins which can read the smart labelling, may also be used to promote consumer recycling of consumer product packaging.

Abstract: A semiconductor includes a multilayer substrate including an insulating plate and a plurality of circuit boards disposed on a top face of the insulating plate, a semiconductor element disposed on a top face of one of the plurality of circuit boards, and having a main electrode disposed on a top face thereof, and a temperature measurement device for measuring a temperature of the semiconductor element. The temperature measurement device includes a cable unit composed of an insulated optical fiber, and a temperature measurement unit provided on one end of the cable unit, the temperature measurement unit being bonded to the main electrode of the semiconductor element using a bonding material.

Abstract: An electrical safety device is described which includes a socket arranged to receive an electrical plug of an electrical appliance to connect a current supply to the electrical appliance, a thermal sensor arranged to detect the surface temperature of an electrical plug when received in the socket and a processor in communication with the thermal sensor, the processor configured to determine when the sensed surface temperature exceeds a predetermined threshold. The invention also includes an electrical safety system comprising the electrical safety device configured to communicate with a remote device. The device and system provide early detection of electrical faults and hazards to reduce the risk of fires.

Abstract: Methods and apparatus are disclosed for battery current monitoring. An example apparatus includes a haptic device, an isolation switch to deliver power from a battery to the haptic device, an integrator to integrate a signal based on a current from the battery to the haptic device to generate an integrator output, and control logic to control the isolation switch based on a comparison of the integrator output to a threshold.

Abstract: A flat spring (100) is disclosed, for use in a surge protection device (SPD) such as a fast activation thermal fuse, to be integrated with a thermal metal oxide varistor (TMOV). The flat spring (100) has a V-shaped protrusion (110) to enable ultra-high short circuit current protection under overvoltage condition.

Abstract: A shock absorbing laminate includes: a shock absorbing layer having an adhesive property and a stress relieving property; a heat diffusion layer having a thermal diffusive property, and a shield layer having electromagnetic interference shielding characteristics. The shock absorbing layer, the heat diffusion layer, and the shield layer are stacked on one another. The shock absorbing laminate which has heat dissipation characteristics and electromagnetic interference shielding characteristics and which can be affixed to another member without using the adhesive layer can be provided.

Abstract: A semiconductor device including: an output element connected to a load and configured to perform switching to operate the load; a drive circuit configured to output a drive signal to thereby cause the output element to perform the switching; an external terminal configured to be connected to a constant current source that is external to the semiconductor device, and to receive a constant current from the constant current source; a temperature sensor connected to the external terminal, and configured to operate with the constant current, detect a temperature of the output element, and output a temperature detection value; a temperature state detection circuit configured to output a temperature state of the output element, based on a result of comparing the temperature detection value with a reference threshold; and an abnormal level notification circuit configured to send out a notification upon determining that the temperature state is at an abnormal level.

Abstract: An electrostatic chuck includes a ceramic dielectric substrate, a base plate, a bonding part, a gas inlet path, a counterbore part, a ceramic porous part, and an elastic body. The base plate supports the ceramic dielectric substrate. The bonding part is located between the ceramic dielectric substrate and the base plate. The gas inlet path extends through the ceramic dielectric substrate, the base plate, and the bonding part. The gas inlet path includes a first hole part, a second hole part and a third hole part. The first hole part is positioned at the ceramic dielectric substrate. The third hole part is positioned at the bonding part. The counterbore part is located in the first hole part. The ceramic porous part is located in the counterbore part. The elastic body faces an end part of the bonding part at the third hole part side.

Abstract: An optical subassembly includes a planar dielectric waveguide structure that is deposited at temperatures below 400 C. The waveguide provides low film stress and low optical signal loss. Optical and electrical devices mounted onto the subassembly are aligned to planar optical waveguides using alignment marks and stops. Optical signals are delivered to the submount assembly via optical fibers. The dielectric stack structure used to fabricate the waveguide provides cavity walls that produce a cavity, within which optical, optoelectronic, and electronic devices can be mounted. The dielectric stack is deposited on an interconnect layer on a substrate, and the intermetal dielectric can contain thermally conductive dielectric layers to provide pathways for heat dissipation from heat generating optoelectronic devices such as lasers.

Abstract: Monitors are for pressurized systems are described. These may include batteryless monitors that run on power harvested from their environments.

Abstract: A power supply circuit includes a transistor having a drain connected to an input voltage, a gate, and a source; a diode; a choke coil; a capacitor; a transformer; a control circuit that provides a drive signal for turning on and off the transistor to a primary winding of the transformer based on an output voltage; an overvoltage detection circuit that outputs an overvoltage signal when the output voltage is an overvoltage; and a short circuit that short-circuits the gate and the source of the transistor in response to the overvoltage signal.

Abstract: Overcurrent protection of an electrically powered, motorized device, such as a power tool, wherein the tool includes a tool housing, an output assembly, a trigger, an electrical safety device, a motor, an indicator, a controller, and a power source. The electrical safety device, for example a fuse, is disposed in series with a power connection from the power source to the controller. The controller measures current passing through the electrical safety device in time intervals when the trigger is actuated. The controller determines accumulated thermal energy passing through the electrical safety device, and compares the accumulated thermal energy to a threshold. If the accumulated thermal energy exceeds the threshold, the controller ceases or discontinues to allow power to be provided to the motor from the power source, thereby shutting off the motor. The controller may also activate the indicator to indicate a fault to the user.

Abstract: A method provides thermal protection for an IC device that has multiple components. For each component, temperatures are sensed, each of which associated with a different area of the respective component and a respective temperature sense signal is output indicative of the highest sensed temperature of the respective component. For each of the components, the respective temperature sense output signal is sampled to produce a sequence of discrete sampled temperature values. A sequence of differences between a reference temperature value and each of the discrete sample temperatures is integrated over time to compute, for each of the components, a respective integration output. The respective integration output computed for each of the switches is compared to a threshold value. An action related to the thermal protection function is initiated upon the integration output of an affected component exceeding the threshold value.

Abstract: A voltage attack detection circuit includes: at least one voltage regulation circuit, where the at least one voltage regulation circuit is connected to an external supply respectively, the at least one voltage regulation circuit is configured to convert the external supply to at least one internal supply, and the at least one internal supply is configured to output at least one first voltage respectively; at least one voltage sensor, where the at least one voltage sensor is connected to the at least one internal supply respectively, so as to receive the at least one first voltage respectively, each voltage sensor of the at least one voltage sensor is configured to output a reference voltage based on a received reference voltage and a received first voltage, the reference voltage is configured to indicate whether a received first voltage is within a present voltage range.

Abstract: A power conversion device includes: semiconductor switching elements; a housing on which the semiconductor switching elements are fixed; a circuit board on which a driving circuit for driving the semiconductor switching elements is mounted and which is located opposite to and spaced apart from a fixing surface; insertion guides which are disposed on an opposing surface of the circuit board relative to the fixing surface; and elongated terminal extension members each having a length that is matched with a height of a pulse transformer, one ends of which are bonded to respective lead terminals, and the other ends of which extend toward the insertion guides; wherein the pulse transformer is disposed on the opposing surface so as to be opposite to major surfaces of the semiconductor switching elements.

Abstract: An electrostatic chuck includes a ceramic dielectric substrate, a base plate, a bonding part, a gas inlet path, a counterbore part, and a ceramic porous part. The bonding part is located between the ceramic dielectric substrate and the base plate. The gas inlet path extends through the ceramic dielectric substrate, the base plate, and the bonding part. The gas inlet path includes a first hole part, a second hole part, and a third hole part. The first hole part is positioned at the ceramic dielectric substrate. The second hole part is positioned at the base plate. The third hole part is positioned at the bonding part. The counterbore part is located in at least one of the first hole part or the second hole part. The ceramic porous part is located in the counterbore part. The ceramic porous part includes an exposed surface exposed in the third hole part.

Abstract: An electrical safety device is described which includes a socket arranged to receive an electrical plug of an electrical appliance to connect a current supply to the electrical appliance, a thermal sensor arranged to detect the surface temperature of an electrical plug when received in the socket and a processor in communication with the thermal sensor, the processor configured to determine when the sensed surface temperature exceeds a predetermined threshold. The invention also includes an electrical safety system comprising the electrical safety device configured to communicate with a remote device. The device and system provide early detection of electrical faults and hazards to reduce the risk of fires.

Abstract: In one embodiment, a medical system includes a catheter configured to be inserted into a body part of a living subject, and including an elongated deflectable element including a distal end, a proximal coupler connected to the distal end, an expandable assembly comprising a plurality of flexible polymer circuit strips, the flexible polymer circuit strips having respective proximal ends connected to, and disposed circumferentially around, the proximal coupler, respective ones of the flexible polymer circuit strips including respective multiple strip electrodes, respective contact arrays disposed at the respective proximal ends, and respective multiple circuit traces electrically connecting the respective multiple strip electrodes with the respective contact arrays, and a plurality of surface mountable electrodes mounted on, and bulging over respective ones of the flexible polymer circuit strips.

Abstract: A power quality monitor (PQM) module includes a solid-state semi-conductor switch having a voltage input, two signal inputs and two voltage outputs. A voltage input line is electrically connected to the voltage input. A PQM signal input line is operatively connected to at least one of the two signal inputs. A voltage output line is electrically connected to one of the two voltage outputs to provide power to a load. A method of controlling a GCB includes opening a solid-state semi-conductor switch when a PQM signal is powered at a first logic voltage. The method includes closing the solid-state semi-conductor switch when a PQM signal is powered at a second logic voltage lower than the first logic voltage to allow a voltage from a GCU to go to the GCB.

Abstract: Implementations described herein provide a substrate support assembly which enables both lateral and azimuthal tuning of the heat transfer between an electrostatic chuck and a heating assembly. The substrate support assembly comprises a body having a substrate support surface and a lower surface, one or more main resistive heaters disposed in the body, a plurality of spatially tunable heaters disposed in the body, and a spatially tunable heater controller coupled to the plurality of spatially tunable heaters, the spatially tunable heater controller configured to independently control an output one of the plurality of spatially tunable heaters relative to another of the plurality of spatially tunable heaters.

Abstract: An electrical mains plug having a body formed of an electrically insulating material is described. Two contact pins are arranged parallel to one another and which project out of the body at a first side thereof, and inside the body are connected or can be connected in each case to an electrical conductor which leads out or can be led out of the body at a second side thereof. The thermal bimetallic element is provided as a temperature sensor, said thermal bimetallic element being a constituent part of the thermal bimetallic switch which is associated with at least one of two contact pins. An electrical connection cable suitable therefor and an electrical device connected thereto are also described.

Abstract: Systems, methods, and apparatus to control weld current in a preheating system are disclosed. An example preheating power supply includes power conversion circuitry configured to output welding-type power via a first output power connector and a second output power connector, and a bypass path prevention circuit configured to prevent less than a threshold voltage applied to the first output power connector and the second output power connector from a different power supply from causing current to flow between the first output power connector and the second output power connector.

Abstract: One example includes a power supply system. The system includes a power switch configured to activate via a control voltage responsive to a first state of an activation signal to conduct current from a power rail to a switching terminal. The system further includes a power switch deactivation driver configured to control an amplitude of the control voltage responsive to a second state of the activation signal based on a voltage difference between the power rail and the switching terminal to provide for a variable rate of deactivation of the power switch.

Abstract: A charging control device (1A) according to the present invention includes a determination part that determines whether or not an abnormality in input power occurs on the basis of input power information on the input power and a predetermined determination threshold value. The determination part makes the determination on the basis of the input power information when a predetermined time has passed after an input of the input power.

Abstract: In a power supply control device, a temperature calculation circuit calculates a wire temperature of a wire based on the current value of a current flowing through the wire. If the wire temperature calculated by the temperature calculation circuit is lower than a temperature threshold value, a drive unit switches on or off a switch in accordance with content indicated by a control signal output by a communication unit. When the wire temperature calculated by the temperature calculation circuit rises to the temperature threshold value or higher, the drive unit switches off the switch independently of content indicated by a control signal output by the communication unit.

Abstract: An electric motor monitor having at least one sensor in electrical communication with a memory device and a motor. The memory device is configured to establish a performance baseline of the motor throughout its workload. The signal processing incorporates a memory device such as a microcomputer and/or a programmable logic controller configured to determine the work being performed by the motor by comparing the baseline performance of the motor throughout its work load to at least, the armature amperage of the motor. A wireless system transmits an operating motor's work parameters including, but not limited to, amperage, temperature, vibration, sound, rotation, power, moisture and/or voltage data, to a mobile or fixed base receiver. Data is accessible and viewable in real time. Alerts based on user-defined thresholds of the sensors are sent to an electronic device such as a tablet, a computer, and/or a smart phone.

Abstract: A protection device is capable of protecting a load drive system at an appropriate timing according to a temperature of a power semiconductor. The protection device includes: a capacitor configured to output a voltage according to a charge accumulated by a first current; and a protection circuit configured to: (i) determine whether or not the voltage output by the capacitor exceeds a certain threshold value; (ii) generate a second current having a magnitude according to information related to the temperature of the power semiconductor which drives a load; and (iii) change a magnitude of the first current based on the second current.

Abstract: A fuse element for a fuse with an integrated measurement function, includes a first receiving area in an embodiment, for receiving a melting conductor of the fuse, delimited in the length direction of the fuse by a closure element and in a direction orthogonal to the length direction by the fuse element. Further, in an embodiment, the fuse element has a second receiving area, physically separated from the first receiving area, for receiving a measuring device of the fuse. The second receiving area is designed to receive the measuring device in a wall section of the fuse element. The second receiving area formed in the fuse element protects the measuring device arranged therein against interfering environmental influences. The measuring device is used to ascertain the electric current flowing through the fuse directly on the fuse.

Abstract: In a method for monitoring a winding temperature of a winding of an electric machine powered by a converter, a heating power applied to the winding of the electric machine is determined and evaluated using a thermal model. A relative increase in a resistance of the winding, when the winding heats up, is determined from the heating power in comparison with a standard reference value for 20° C. winding temperature. The winding temperature is calculated from the relative increase in the resistance, and a warning signal and/or a switch-off signal is generated when a critical winding temperature value is exceeded.

Abstract: In a power distribution device, a current detection circuit detects a current value of a current flowing through a wire. When a switch is on, a microcomputer determines whether or not a predetermined condition is satisfied, based on the current value detected by the current detection circuit. If it is determined by the microcomputer that the predetermined condition is satisfied, a drive circuit turns off the switch.

Abstract: A computational heat dissipation structure includes a circuit board including a plurality of heating components; and a radiator provided corresponding to the circuit board; wherein a space between the adjacent heating components is negatively correlated with heat dissipation efficiency of a region where the adjacent heating components are located. Since the space between the adjacent heating components of the disclosure is negatively correlated with the heat dissipation efficiency of the region where the adjacent heating components are located, i.e., the higher the heat dissipation efficiency of the region where the adjacent heating components are located is, the smaller the space between the adjacent heating components in the region will be, the heat dissipation efficiencies corresponding to the heating components are balanced, and load of a fan is reduced.

Abstract: Described is a method including monitoring a point of regulation voltage input to a generator control unit and monitoring a generator output voltage as a backup point of regulation voltage input. The method also includes detecting an overvoltage fault at the point of regulation voltage input, the backup point of regulation voltage input, or both. Additionally, the method includes opening a first solid-state switch (110) in response to detecting the overvoltage fault. Opening the first solid-state switch (110) prevents provision of an input signal (104) to a generator excitation field (102). Further, the method includes opening a generator excitation field relay (112) in response to detecting the overvoltage fault. Opening the excitation field relay (112) also prevents provision of the input signal (104) to the generator excitation field (102).

Abstract: An object of the present invention is to provide a power converter capable of preventing upsizing of a chip on which a switching element is formed and detecting the temperature in a switching operation of the switching element. A power converter includes: an IGBT connected between an IGBT connected to the positive electrode side of a variable power supply and the negative electrode side of the variable power supply; a temperature detection resistor element connected to a gate to which a gate signal for controlling the switching operation of the IGBT is input and detecting the temperature of the IGBT; and a detector detecting the temperature level of the IGBT based on the voltage of the gate.

Abstract: System and methods for motor drive electronics are provided. Aspects include receiving, by a controller on a motor driver electronics (MDE) component, voltage data associated with a thermoelectric generator, wherein the MDE component is configured to operate an electric motor, and wherein the MDE component comprises a power card including one or more components, determining a temperature reading based on the voltage data, enacting an action associated with the MDE component based at least in part on the temperature reading.

Abstract: To provide a protection element and a protection circuit that can protect from an overcurrent without using rectifying means such as a diode or a switching element, and can more reliably interrupt passage of an electric current during operation with a simpler circuit configuration. A protection element including: an insulating substrate; at least a pair of fuse electrodes provided on the insulating substrate; an intermediate electrode provided on the insulating substrate between the fuse electrodes; a fuse element joined to the fuse electrodes and the intermediate electrode, and electrically connected to the fuse electrodes and the intermediate electrode; and a heating element provided on the insulating substrate to be electrically connected to the intermediate electrode and a heating electrode, wherein conduction means between at least a pair of electrodes of the fuse electrodes including the intermediate electrode is provided differently from conduction means between the other electrodes.

Abstract: Systems and methods for providing information about thermal overload conditions and near-miss tripping events in a circuit interrupter are disclosed. The systems and methods provide a user with detailed information about thermal overload and near-miss tripping events, including how much time remains until a trip will be initiated due to a thermal overload, and what the real-time thermal capacity of the circuit interrupter is after a thermal overload condition ends.

Abstract: In some examples, a system can include: a heating device, a Proportional Integral Derivative (PID) controller and a switching mechanism to selectively enable transmission of signals to the heating device based on a real time temperature in proximity to the heating device, wherein the PID controller is to continuously output pulse width modulation (PWM) signals independent of selective transmission of signals by the switching mechanism.

Abstract: An example system for controlling heating of a workpiece includes: an interface configured to receive a target temperature (TT) for the workpiece; a processor configured to: select a current temperature (TS) for the workpiece based on monitoring one or more temperature sensors; and set a control temperature (TC) based on the received target temperature and TS; and a control system configured to: control heating of the workpiece via a heating device until the workpiece reaches TC as measured by at least one of the one or more temperature sensors, and controlling the heating device to stop heating the workpiece in response to the workpiece reaching TC; wherein: the processor is configured to characterize a temperature ramp rate based on a measured temperature overshoot at the workpiece after turning off the heating device; and the control system is configured to control heating of the workpiece to TT by controlling the heating device based on the temperature ramp rate.

Abstract: A method and device for temperature monitoring of a power transistor formed in a semiconductor die comprising are disclosed. A side of a temperature-sensing resistor disposed in the semiconductor die is coupled to a voltage input side of the power transistor. A controller coupled to a second side of the temperature-sensing resistor is configured to detect a voltage across the resistor and trigger a temperature related corrective action using the detected voltage.

Abstract: A surge protection device with a high breaking capacity includes a housing with at least two lead-out electrodes, and a voltage limiting device and a thermal tripping mechanism that are installed in the housing. The voltage limiting device includes a voltage limiter, a first electrode and a second electrode that are positioned and installed in an insulating cover. The thermal tripping mechanism includes a fixed assembly, a movable assembly and a thermal trigger device. The fixed assembly and the movable assembly form a plurality of displacement switches arranged in series. The thermal trigger device is disposed in linkage with the movable assembly and includes a metal trigger sheet, a fusible alloy and an energy storage member. One end of the metal trigger sheet is fixed on the movable assembly, and the other end of the metal trigger sheet is fixed on the second electrode through welding by the fusible alloy.

Abstract: A power converter including a control circuit configured to output a control signal, and a semiconductor module. The semiconductor module includes a semiconductor chip, a switching device provided on the semiconductor chip, the switching device being configured to be turned on and off in response to the control signal, and a first temperature sensor configured to detect a temperature of the semiconductor chip. The control circuit is configured to monitor a thermal resistance of the semiconductor module based on a first temperature detected by the first temperature sensor, a second temperature corresponding to a temperature of the semiconductor module, and a power consumption of the switching device.

Abstract: A downlight apparatus includes a light source, a driver box, a light housing and a heat dissipation plate. The driver box is used for storing a driver. The driver is connected to an external power source to generate a driving current to the light source. The light housing has a light holder and a rim. The light source is stored in the light holder. The rim defines a light opening for a light of the light source to escape. The heat dissipation plate is placed between the light holder and the driver box for carrying away both heat of the driver box and the light source. The heat dissipation plate is a separate metal piece from the driver box and the light housing. The heat dissipation plate has a portion not covered by the light holder and the driver box and exposed to air.

Abstract: A battery module, a vehicle, and a method of manufacturing a battery module, the battery module including a housing accommodating a plurality of secondary batteries; and a thermoelectric element assembly on the housing and in contact with the plurality of secondary batteries through at least one contact opening in the housing, the thermoelectric element assembly being configured to heat or cool the plurality of secondary batteries.

Abstract: An electronic device includes a detecting unit, a communicating unit, and a control unit. The detecting unit detects a temperature of a cable connected to the electronic device. The communicating unit receives cable information including information related to the cable from the cable. The control unit changes a threshold temperature from a predetermined temperature to a temperature indicated by the cable information, in a case where the temperature indicated by the cable information is higher than the predetermined temperature and the communicating unit has received the cable information. The control unit controls a power supply device to stop supplying power from the power supply device to the electronic device via the cable or controls the electronic device to stop receiving power from the power supply device via the cable, in a case where a detected temperature of the cable is higher than the threshold temperature.

Abstract: An overcurrent protection circuit configured to limit an output current flowing through an output transistor includes a sense transistor that provides a sense current proportional to the output current, a sense resistor through which the sense current flows, a current limiting circuit that detects a sense voltage generated by the sense resistor and controls a gate voltage of the output transistor, and a current correction circuit that provides the sense resistor with a corrected sense current added to the sense current based on a difference of voltage between a drain voltage of the output transistor and a drain voltage of the sense transistor.

Abstract: An object is to provide a semiconductor device capable of accurately detecting a temperature of a transistor part and a temperature of the diode part, and improving an overheat protection function. A semiconductor device includes a semiconductor chip having a cell region made up of a plurality of cells including cells corresponding to a transistor part and a diode part, respectively, a temperature detection part detecting a temperature of the transistor part, and a temperature detection part detecting a temperature of the diode part, the temperature detection part is disposed in the cell corresponding to the transistor part, and the temperature detection part is disposed in the cell corresponding to the diode part.

Abstract: In one embodiment, a processor includes: a first plurality of intellectual property (IP) circuits to execute operations; and a second plurality of integrated voltage regulators, where the second plurality of integrated voltage regulators are oversubscribed with respect to the first plurality of IP circuits. Other embodiments are described and claimed.