Abstract: An apparatus includes a first component group on a first board, a second component group on a second board, wherein components of the first component group are heat-generating elements configured to generate more heat than components of the second component group, and a plurality of connecting elements electrically coupled between the first component group and the second component group, wherein portions of the plurality of connecting elements are in a thermal resistance medium, and the first component group and the second component group are separated by the thermal resistance medium.

Abstract: Methods of treating Alzheimer's disease and other neurodegenerative and/or neurocognitive and/or neurodevelopmental diseases are described. The methods comprise the administration of compounds that modulate an activity of cell division control protein 42 (Cdc42), such as the interaction between Cdc42 and intersectin (ITSN). Exemplary modulator compounds include thioureas, disulfonamides of fused aromatic systems (e.g., benzofuran), and acyl hydrazones, among others. Some of the modulator compounds act as activators of Cdc42, while others act as inhibitors. In some cases, the modulator compound has dual functionality and the ability of the modulator compound to act as an inhibitor or activator depends on whether or not Cdc42 is already activated in a particular disease stage or biological environment by an upstream activating signal of Cdc42.

Abstract: An integrated transformer includes a first core comprising a first center leg, a first outer leg and a second outer leg over a first base, a first primary coil wound around the first center leg, a first multilayer PCB comprising a plurality of first inner windings, wherein the first multilayer PCB comprises a first connector and a second connector, a plurality of first electronic components disposed on the first multilayer PCB, a second multilayer PCB comprising a plurality of second inner windings, wherein the second multilayer PCB comprises a third connector and a fourth connector, a second primary coil wound around the second center leg, a plurality of second electronic components disposed on the second multilayer PCB, and a second core comprising a second center leg, a third outer leg and a fourth outer leg over a second base.

Abstract: A dual-input power supply has two power paths that connect a server to electrical Each power path has a first stage that comprises a power-factor correction circuit. The power paths share a common second stage that comprises a dc/dc converter. The first stages of the power paths collectively defining a pair of first stages that is disposed either within a package that is off the motherboard or without a package and on the motherboard. Similarly, the second stage is disposed either within a package that is off the motherboard or without a package and on the motherboard.

Abstract: A dual-input power supply has two power paths that connect a server to electrical Each power path has a first stage that comprises a power-factor correction circuit. The power paths share a common second stage that comprises a dc/dc converter. The first stages of the power paths collectively defining a pair of first stages that is disposed either within a package that is off the motherboard or without a package and on the motherboard. Similarly, the second stage is disposed either within a package that is off the motherboard or without a package and on the motherboard.

Abstract: A method includes providing a power conversion system having a first input coupled to a first ac power source and a second input coupled to a second ac power source, wherein the power conversion system comprises a first primary side power network comprising a first power converter, a first hold-up capacitor and a first primary switch coupled between the first ac power source and a first primary winding of a transformer, and a second primary side power network comprising a second power converter, a second hold-up capacitor and a second primary switch coupled in cascade the second ac power source and a second primary winding of the transformer, disabling the second power converter, and configuring the first primary switch and the second primary switch to operate in a sync manner so that a voltage across the second hold-up capacitor is maintained by a reflected voltage.

Abstract: An apparatus comprising a power supply, which has first and second components, and actuarial circuitry in communication with the power supply. The actuarial circuitry forecasts the power supply's life expectancy based on real-time measurements of operational parameters of said first and second components.

Abstract: An AC/DC power supply for providing power to a processing device includes a power-supply housing and power-handling units connected to the power-supply housing to permit flow of heat to the power-supply housing by conduction. The power-supply housing comprises an intake port and an exhaust port that have been configured to use moving coolant fluid that made to move by a fan on the processing device to cause convective cooling of the power-handling units.

Abstract: Embodiments of a wearable cardioverter defibrillator (WCD) system are configured to monitor a patient's ECG for shockable arrhythmias and deliver a shock to the patient in response to such a detection. To monitor the patient's ECG with reduced signal noise to improve the system's performance, the system includes a cable assembly having: a signal line; an inner shield and an outer shield; an ECG electrode electrically connected to the signal line of the cable assembly; and an amplifier having first and second input nodes respectively connected to the signal line and the outer shield of the cable assembly. The amplifier's output node is electrically connected to the inner shield of the cable assembly to reduce the reactive load seen by the patient's heart in driving the ECG sensing circuitry, which reduces the noise on the ECG signal outputted by the amplifier.

Abstract: A dual-input power conversion system includes a first primary side power network comprising a first hold-up capacitor, wherein the first primary side power network has inputs configured to be coupled to a first power source, and outputs coupled to a transformer, a second primary side power network comprising a second hold-up capacitor, wherein the second primary side power network has inputs configured to be coupled to a second power source, and outputs coupled to the transformer, and a secondary side power network having inputs coupled to a secondary side of the transformer, and outputs coupled to a load, wherein the first primary side power network and the second primary side power network are configured such that a voltage across one of the first hold-up capacitor and the second hold-up capacitor is maintained by a voltage reflected from the secondary side to a corresponding primary side.

Abstract: A method includes generating a turbo mode operation instruction based on a plurality of operating conditions, based on the turbo mode operation instruction, adjusting a system limit of a power supply so as to provide excess power to a load coupled to the power supply, detecting at least one operating parameter to obtain a detected operating parameter, determining whether the detected operating parameter exceeds a predetermined threshold, and reducing the system limit of the power supply so that the detected operating parameter drops below the predetermined threshold.

Abstract: An AC/DC power supply for providing power to a processing device includes a power-supply housing and power-handling units connected to the power-supply housing to permit flow of heat to the power-supply housing by conduction. The power-supply housing comprises an intake port and an exhaust port that have been configured to use moving coolant fluid that made to move by a fan on the processing device to cause convective cooling of the power-handling units.

Abstract: A bidirectional power conversion system includes from a first port to a second port, a first power converter configured to provide power across a first isolation barrier, and from the second port to a third port, a second power converter configured to provide power across a second isolation barrier, wherein the first power converter and the second power converter mounted adjacent to each other on a platform, and at least one auxiliary component is shared by the first power converter and the second power converter.

Abstract: A wearable cardioverter defibrillator (WCD) comprises a plurality of electrocardiography (ECG) electrodes, a right-leg drive (RLD) electrode, and a plurality of defibrillator electrodes to contact the patient's skin when the WCD is delivering therapy to the patient, a preamplifier coupled to the ECG electrodes and the RLD electrode to obtain ECG data from the patient as one or more ECG vectors, a high voltage subsystem to provide a defibrillation voltage to the patient through the plurality of defibrillator electrodes, and an impedance measurement circuit to measure an impedance across a first pair of ECG electrodes, wherein the impedance measurement circuit is to apply a balancing impedance across a second pair of ECG electrodes when an impedance of the second pair of ECG electrodes is not being measured.

Abstract: An apparatus includes, on a top layer of a circuit board, a first and a second synchronous rectifier groups (SRGs) placed along first two opposite sides of a first phase of a transformer including three phases. A second and a fourth SRGs are placed along the first two opposite sides on a bottom layer of the circuit board. The first and second SRGs are connected between a first terminal of the first phase and a grounding terminal. The third and fourth SRGs are connected between a second terminal of the first phase and the grounding terminal. Two filter capacitor groups are placed along second two opposite sides of the first phase on the top layer. Another two filter capacitor groups are placed along the second two opposite sides on the bottom layer. The four filter capacitor groups are connected to a third terminal of the first phase.

Abstract: An apparatus includes a case, a first printed circuit board (PCB) and a second PCB within the case. The case includes a top portion and a bottom portion opposite to each other. The first PCB has a first surface and a second surface opposite to each other, and is attached to the top portion of the case via the second surface of the first PCB. At least one heat-generating device is mounted on the first surface of the first PCB. The second PCB has a first surface and a second surface opposite to each other, and is attached to the bottom portion of the case via the second surface of the second PCB. At least one heat-generating device is mounted on the first surface of the second PCB. The apparatus may include more PCBs. An inner shell may be provided forming an air duct within the case.

Abstract: An apparatus for dissipating heat resulting from providing power to a power consumer in an internet data center includes a rack having a walls defining a recess, a fan-less power supply having a housing sized and shaped to conform to the recess, and a connection between the power supply and the consumer. As a result, heat generated by the power supply in the course of delivering power to the consumer is absorbed by the walls of the recess.

Abstract: A transformer winding includes a first metal sheet of a first sheet type and a second metal sheet of a second sheet type stacked with one on top of the other, and an insulating film disposed between the first and second metal sheets. Each sheet type includes a body in a ring shape with an opening on a lower portion of the ring shape, and a first terminal and a second terminal extending respectively downward from two ends of the opening. The first and second sheet types have same distance between the first and second terminals, and different distances from the first terminals to a centerline of the ring shape. The transformer winding may be made different by changing the distances from the first terminals to the centerline. A transformer including the transformer winding as the secondary winding is also provided.

Abstract: A power supply for providing power to a power consumer includes comprising power-handling circuitry disposed in a housing that comprises a shell and a heat guide. The shell has an outer surface and an inner surface. The inner surface has a heat guide disposed therein. The heat guide has a higher thermal conductivity than that of the outer surface. The shell passively dissipates heat generated by the power-handling circuitry at a rate sufficient to maintain the power-handling circuitry at an operating temperature.

Abstract: A method for controlling multiple power supplies includes configuring a plurality of power supplies to provide power to respective loads coupled to the plurality of power supplies, wherein inputs of the plurality of power supplies are coupled to an input voltage bus, and during a startup process, coordinating the plurality of power supplies such that the plurality of power supplies is powered up in a controllable manner, wherein as a result of coordinating the plurality of power supplies, a surge current flowing through the input voltage bus is reduced.