Abstract: A driver circuit is configured to deliver drive signals from an output pin to a power switch to control ON/OFF switching of the power switch. A first detection pin of the driver circuit is configured to receive a first signal associated with the power switch, wherein the first signal indicates a voltage drop over the power switch and a voltage drop over one or more other circuit elements. A second detection pin is configured to receive a second signal, wherein the second signal indicates a voltage drop over one or more matched circuit elements, wherein the one or more matched circuit elements associated with the second signal are substantially identical to the one or more other circuit elements associated with the first signal. The driver circuit is configured to determine the voltage drop over the power switch based on a difference between the first signal and the second signal.

Abstract: A coil component includes a body; a support substrate embedded in the body; a coil portion disposed on the support substrate, and having an end portion exposed to a surface of the body; and an external electrode disposed on the surface of the body, and in contact with and connected to the end portion of the coil portion. An interface between the end portion of the coil portion and the external electrode, and an interface between the surface of the body and the external electrode are located on levels different from each other.

Abstract: A safe energy supply unit (1) and system, for supplying an electrical device (8) in an explosion-proof area, transmits power from an energy source (9), including a plurality of galvanically isolated individual sources, with a multiple line connection (2) with a plurality of galvanically isolated and individually shielded conductor pairs (31, 32, 33, 34). A collector device (4), in an explosion-proof jacket (5) at an end of the multiple line (3), has uncoupling devices (45) for the galvanically isolated conductor pairs and a combiner circuit (47, 49) that combines the transmitted electric power from each line into a global power. The global power is outputted at an output (48) of the collector device to the electrical device. The conductor pairs allow for an increased global power, which is scalable, safely transmittable, with standard, conductor pairs. The electrical device is intrinsically safely supplied with high power with minimal effort.

Abstract: A power conversion system includes a power conversion apparatus and a programming support apparatus connected to the power conversion apparatus. The power conversion apparatus includes power conversion circuitry, program storage that stores a control program configured to control the power conversion circuitry, and a control unit that controls the power conversion circuitry according to a control program. The programming support apparatus includes a display data generation unit that generates display data of a block diagram illustrating a content of the control program using a plurality of functional blocks, and a link indicating input and output of information between the functional blocks based on the control program stored in the program storage.

Abstract: A period from when switching elements S1, S4 at first diagonal positions in a full-bridge inverter are turned off at the same time to when switching elements S2, S3 at second diagonal positions are turned on at the same time, is defined as T1, and a period from when the switching elements S2, S3 at the second diagonal positions are turned off at the same time to when the switching elements S1, S4 at the first diagonal positions are turned on at the same time, is defined as T2. With a total length of T1 and T2 set to be constant, the lengths of T1 and T2 are controlled to be changed every switching cycle.

Abstract: A sintered material contains Fe in an amount of from 8 mol % to 37 mol % in terms of Fe2O3, Zn in an amount of from 30 mol % to 60 mol % in terms of ZnO, Cu in an amount of from 1 mol % to 7 mol % in terms of CuO, Ni in an amount of from 3 mol % to 17 mol % in terms of NiO, and Si in an amount of from 7 mol % to 28 mol % in terms of SiO2. A mole ratio (SiO2/Fe2O3) of the SiO2 to the Fe2O3 is from 0.2 to 3.5. The sintered material contains B in an amount of from 0.05 mol parts to 0.5 mol parts.

Abstract: The present disclosure relates to an integrated package having an active area, an electrical routing circuit, an optical routing circuit, and a vacuum vessel. Methods of making such a package are also described herein.

Abstract: Disclosed is a charge-pump phase-locked loop based on a unipolar thin film transistor, a chip, and a method. The phase-locked loop may include: a phase-frequency detector, configured to detect a phase difference and a frequency difference between a clock Fref and a clock Fn and generate control signals UP and DOWN; a logic control module, configured to output logic state signals; a charge pump, configured to convert the logic state signals into a charging/discharging current signal; a low-pass filter, configured to output a direct-current analog control signal Vctrl; a voltage-controlled oscillator, configured to adjust an output clock frequency Fvco; and a divide-by-four circuit, configured to perform frequency division to obtain the clock Fn.

Abstract: An electric power supplying device including: a first sensing section that senses a first output current from a first DCDC converter provided between a high-voltage system and an auxiliary device system; a second sensing section that senses a second output current from a second DCDC converter provided between the high-voltage system and the auxiliary device system; a third sensing section that senses a third output current from an auxiliary device battery connected to the auxiliary device system; and a control section that controls output of the second DCDC converter on the basis of results of sensing of output currents by the first sensing section, the second sensing section and the third sensing section.

Abstract: A coil electronic component includes a support substrate, a coil pattern disposed on at least a surface of the support substrate and having a core region in the center of the coil pattern, at least one metal thin plate disposed on an upper portion of the coil pattern and having a shape bent toward the core region, an encapsulant sealing at least a portion of the support substrate, the coil pattern, and the at least one metal thin plate, and an external electrode disposed outside of the encapsulant and connected to the coil pattern.

Abstract: The circuit device includes a first MOS transistor of a first conductivity type a source of which is coupled to a first power supply voltage node, a second MOS transistor of a second conductivity type a source of which is coupled to a second power supply voltage node, a first variable resistance circuit which is coupled between a drain of the first MOS transistor and an output node, and which includes a first switch, and a second switch coupled between the drain of the first MOS transistor and the second power supply voltage node. The control circuit performs control of making the first switch OFF and making the second switch ON when the clock signal fails to be output from the output node, and making the first switch ON and making the second switch OFF when the clock signal is output from the output node.

Abstract: A method for controlling a battery-powered power supply. The method includes generating a first output from a first power supply within the battery-powered power supply. The first output is coupled to an output bus. The method further includes monitoring a voltage of the output bus, and determining, using a controller of the battery-powered power supply, whether the voltage of the output bus is less than a first predetermined level. The method further includes deactivating the first power supply in response to determining that the voltage of the output bus is below the first predetermined level, and generating a second output from a second power supply within the battery-powered power supply. The second output is configured to be coupled to the output bus. The second power supply has a higher output rating than the first power supply.

Abstract: An assembly includes an electromagnetic coil with a conductor, and a substrate on which the conductor is arranged. The coil has a core and the conductor extends around the core. The core is formed by a ferromagnetic rivet that is fastened to the substrate.

Abstract: Embodiments of a differential bootstrapped track-and-hold circuit are disclosed. In an embodiment, the differential bootstrapped track-and-hold circuit includes first and second single-ended bootstrapped track-and-hold circuits. Each single-ended bootstrapped track-and-hold circuit includes a sampling switch connected between an input terminal and an output terminal, a sampling capacitor connected to the output terminal, and a dummy sampling switch connected between the input terminal and a dummy output terminal. The sampling switch and the dummy sampling switch are controlled by a bootstrap driver connected to the input terminal.

Abstract: Embodiments described herein provide foreign object detection based on coil current sensing. The transmitter power loss is computed directly based on the coil current, in conjunction with, or in place of the conventional computation based on transmitter input current. The enhanced precision of the computer power loss can be used to more accurately detect a foreign object near the transmitter coil during a wireless power transfer.

Abstract: An oscillator circuit includes an initial level setting circuit configured to operate in an on-state during an initial operation of the oscillator circuit to supply a first level voltage to a first node and a second level voltage to a second node, a switching circuit configured to connect a power supply voltage terminal and a ground terminal to the first or second node in response to first and second clock signals having different phases after the initial operation, a signal generation circuit connected between the first and second nodes and configured to perform charging and discharging operations based on a potential difference between the first and second nodes, and generate first and second voltages determined by the charging and discharging operations, and an inverter circuit configured to generate the first clock signal based on the first voltage, and generate the second clock signal based on the second voltage.

Abstract: The invention discloses a passive wideband mixer, including a local oscillator balun, a radio frequency balun, a first diode D1, a second diode D2, a third diode D3, a fourth diode D4, an inductive compensation unit, and a lossy inductive grounding network. The invention can realize a mixer with a bandwidth ratio of not less than 1:7, and can effectively suppress points with isolation deterioration without affecting the conversion loss over the entire frequency band. In the entire frequency band of this design, the isolation indicator between the local oscillator and radio frequency ports is optimized, which can well satisfy the application of the wideband mixer in a communication system.

Abstract: A combined battery charger and engine jump start system configured to automatically determine in which operating mode to operate based on the output plug attached to an output outlet is disclosed. For instance, the system may include a single output outlet and a single cable capable of being attached to the single output outlet in multiple positions to enable the system to automatically operate in the correct mode. In another embodiment, the system may include a single output outlet and a cable for a battery charger process and a cable for an engine jump start process whereby a cable position or plug configuration enables the system to automatically operate in the correct mode. As such, the system is more cost effective to manufacture and more reliable in that the system is automatically places itself in the correct operating mode when a cable is attached thereto.

Abstract: A gate driver communication system includes a cored transformer including a primary coil and a secondary coil configured to receive power signals and uplink data signals from the primary coil; a primary side power signal generator coupled to the primary coil and configured to generate the power signals having a first frequency; a primary side data transmitter coupled to the primary coil and configured to generate the uplink data signals having a second frequency different from the first frequency; and a primary side controller configured to allocate the power signals and the uplink data signals to the primary coil according to a plurality of time slots, wherein the power signals are allocated to first time slots of the plurality of time slots and the uplink data signals are allocated to second times slots of the plurality of time slots.

Abstract: In some examples, a system includes a bus and a first power converter connected to the bus. The system also includes a second power converter connected to the bus, the second power converter having a topology different from the topology of the first power converter. The system further includes a power source and an energy storage device connected to the bus via the first and second power converters, respectively. In addition, the system includes a source controller configured to control the first power converter and a storage controller configured to control the second power converter. The system also includes a system controller configured to determine a first set point for the first power converter, transmit an indication of the first set point to the source controller, determine a second set point for the second power converter, and transmit an indication of the second set point to the storage controller.