Abstract: In one aspect, the present invention is a technique of, and a system for conditioning power for a consuming device. In this regard, a power conditioning module, affixed to an integrated circuit device, conditions power to be applied to the integrated circuit device. The power conditioning module includes a semiconductor substrate having a first interface and a second interface wherein the first interface opposes the second interface. The power conditioning module further includes a plurality of interface vias, to provide electrical connection between the first interface and the second interface, and a first set of pads, disposed on the first interface and a second set of pads disposed on the second interface. Each of the pads is connected to a corresponding one of the interface vias on either the first or second interface. The power conditioning module also includes electrical circuitry, disposed within semiconductor substrate, to condition the power to be applied to the integrated circuit device.

Abstract: An apparatus for linking together power switching devices having intra-converter connection terminals to form a power conversion assembly, the apparatus comprising a planar bus bar including positive and negative DC bus layers and insulating layers that insulate each of the DC bus layers, the bar also including at least a first external insulating layer that forms a first external surface of the bar, the bar also forming at least first and second linking edges and first and second pluralities of linkages formed along the first and second linking edges, respectively, each linkage linked to one of the positive and negative DC bus layers and configured to be linkable to at least one of the power switching device intra-converter connection terminals, in some cases positive and negative DC bus linkages are also provided to render the conversion assembly extremely versatile.

Abstract: An AC drive which can be applied to any power using device and in particular is a medium voltage AC drive. In a preferred embodiment, a multilevel AC drive topology is implemented, with the drive including a plurality of inverters and converter electrically coupled through electrical buses and physically coupled through their respective modular bases, and sharing a common cooling system connected to the respective heat exchangers of each component. The AC drive generally is made up of a plurality of inverter modules, which are connected to a converter module, and with each of the above components packaged in a relatively small unit having a cooling apparatus.

Abstract: A half-bridge circuit includes: a vertically designed n-conducting first MOS transistor that is integrated in a first semiconductor body having a front side and a rear side; and a vertically designed p-conducting second MOS transistor that is integrated in a second semiconductor body having a front side and a rear side. The first and second transistors are connected in series between a first connection terminal and a second connection terminal. The half-bridge circuit also includes a drive circuit for driving the first and second transistors. The first and second transistors are applied to a common connection plate.

Abstract: A progammable power supply for providing a regulated DC output power is disclosed. The power supply provides the output power to any one of a plurality of electronic devices adapted for receiving the output power at an operational voltage or an operational current. The power supply receives a programming signal to maintain the output power at the operational voltage or operational current associated with a particular selected electronic device. Accordingly, by varying the programming signal, the power supply can be programmed to provide output power to any one of several electronic devices having differing input power requirements.

Abstract: Replaceable parts having a relatively short service life such as electrolytic capacitors are mounted on a reusable printed circuit board and one or more than one replaceable printed circuit boards so that the operation of replacing the electrolytic capacitors can be performed very easily and reliably. The replaceable printed circuit board may preferably be fitted to a replaceable frame and the replaceable frame is replaced. The primary side replaceable parts and the secondary side replaceable parts may be mounted on the same replaceable printed circuit board.

Abstract: A power conversion circuit is provided. The circuit includes an isolated board mounted power module operable to convert a nominal input voltage into an intermediate bus voltage; the board mounted power module being unregulated and controlled in an open-loop; and a plurality of tightly regulated point-of-load converters operable to convert the intermediate bus voltage into respective point-of-load voltages to power a respective number of loads.

Abstract: A power converter is disclosed, in which the sum of the length of that portion of a control signal line which is in opposite relation to an area of a main circuit wiring where a main circuit current flows and a plurality of tabular conductors are in superposed relation with each other, the length of that portion of the control signal line which is in opposite relation to an area of the main circuit wiring where the main circuit current does not flow and the length of that portion of the control signal line which is located outside an end of the main circuit wiring, is substantially equal to the total wiring length of the signal control line.

Abstract: The invention relates to an electrical machine, preferably an alternator (10) for motor vehicles, comprising a rectifier assembly (11a) that is fixed to an end shield (23) of the machine. Said rectifier assembly is cooled by a fan (27) that operates in the end shield (23), the diodes being positioned on a negative connecting plate (15) and a positive connecting plate (17) of the rectifier assembly (11). The aim of the invention is to evacuate the dissipated heat from the rectifier assembly (11a) in an advantageous manner. To achieve this, the rectifier assembly is located in an opening in the front face (32) of the end shield (23) and is connected in an electrically and thermally conductive manner by one of its two connecting plates (15 and 17) to a cooling body (33), which is connected to the exterior of the end shield (23) and covers the opening (32).

Abstract: The present invention relates to a laminated conductor assembly comprising an input section, an output section, and a superposition of alternate electrically conducting and electrically insulating layers. The electrically conducting layers present a geometry which defines both capacitive and inductive structures, and these capacitive and inductive structures form, between the input and output sections, a capacitive and inductive frequency-filtering circuit. The electrically conducting layers comprise respective superposed first end portions for defining first capacitive structures, respective superposed second end portions opposite to the first end portions for defining second capacitive structures, and respective narrower bridge portions for interconnecting the first and second end portions of the corresponding electrically conducting layers, wherein these narrower bridge portions define respective inductive structures. Preferably, the narrower bridge portions are laterally offset with respect to each other.

Abstract: A progammable power supply for providing a regulated DC output power is disclosed. The power supply provides the output power to any one of a plurality of electronic devices adapted for receiving the output power at an operational voltage or an operational current. The power supply receives a programming signal to maintain the output power at the operational voltage or operational current associated with a particular selected electronic device. Accordingly, by varying the programming signal, the power supply can be programmed to provide output power to any one of several electronic devices having differing input power requirements.

Abstract: In an electric circuit using a plurality of power semiconductor devices 1, the power semiconductor devices have heat radiation metallic parts 5 to which the electrodes in the power semiconductor devices are electrically connected within a package of the semiconductors. Among the plurality of power semiconductor devices, the heat radiation metallic parts of those having electrodes of the same potential connected to the heat radiation metallic parts are conductively fixed to a single radiator 6 having conductivity. Thus, the radiators are used as a single connection terminal. Besides, the plurality of radiators are conductively fixed to a single heat radiating plate 7 having conductivity, and the heat radiating plate is used as a single connection terminal, or the radiator is electrically insulated and fixed to another radiator 11.

Abstract: A progammable power supply for providing a regulated DC output power is disclosed. The power supply provides the output power to any one of a plurality of electronic devices adapted for receiving the output power at an operational voltage or an operational current. The power supply receives a programming signal to maintain the output power at the operational voltage or operational current associated with a particular selected electronic device. Accordingly, by varying the programming signal, the power supply can be programmed to provide output power to any one of several electronic devices having differing input power requirements.

Abstract: A low-inductivity busbar system for a matrix converter which includes a plurality of switch elements, in particular semiconductor switches, disposed in a 3×3 matrix. The matrix converter is connected on the network side by the busbar system to a plurality of capacitor elements for supply of three input voltage potentials to the matrix converter. The busbar system includes of a plurality of busbar sections disposed in two levels and isolated from one another.

Abstract: In an electronic device supplying a DC power to an LSI chip (20), a noise filter (1) of a distributed constant type, having an input port (2, 3) and an output port (5, 4), is mounted on a circuit board (6). The noise filter (1) reduces high-frequency noise incoming thereto and allows DC current to flow therethrough. The input port (2, 3) is connected to a DC power line (7a) and a ground conductor (8a) on the circuit board (6). The output port (5, 4) is connected to a separate power conductor (7b) and a separate ground conductor (8b) which are connected to the LSI (20) mounted on the circuit board (6). In another embodiment, the LSI (20) is mounted on a different circuit board (17) to which the output port (5, 4) is connected through conductor pins (18, 19) standing on the circuit board (6).

Abstract: A system and method for distributing power to multiple circuit boards coupled with a “system” backplane is disclosed. Separate redundant pairs of power supplies are provided for each circuit board in a load sharing arrangement. Each set of power supplies and their load, i.e. the circuit board to which they are coupled and providing power to, are isolated from the other sets. The power supplies are coupled with a second “power” backplane which interconnects the redundant power supply pairs as well as receives the input voltage and current from a source and distributes it to all of the power supplies. The power backplane is further coupled with the system backplane in a back to back arrangement to effect the connection of the power supplies with their respective loads. The redundant power supplies in combination with fault monitoring and failure handling logic identify and isolate faults, enable fail-over operation and prevent collateral damage to other system components.

Abstract: DC/DC converters 21, 22, and 23 arranged side by side have first output terminals 21a, 22a, and 23a conducting to one pole of capacitors for rectification, second output terminals 21b, 22b, and 23b conducting to the other pole of the capacitors, and connection terminals 21c, 22c, and 23c disposed next to the second output terminals 21b, 22b, and 23b. The first output terminals 21a, 22a, and 23a are connected together by an I-shaped bus bar 31 of copper or the like fastened thereto with screws. The second output terminals 21b, 22b, and 23b are connected together by one linear portion of a U-shaped bus bar 32 fastened thereto with screws. The connection terminals 21c, 22c, and 23c are connected together by the other linear portion of the U-shaped bus bar 32 fastened thereto with screws. In this way, the resistances of the bus bars 31 and 32 connected to both ends of the capacitors are made substantially equal, and thereby the voltages applied to the capacitors are made equal.

Abstract: In an electric power conversion/inversion apparatus, including, such as an inverter therein, for obtaining reduction in circuit inductance and wiring resistance therein by bringing small as a whole, having good installability and high reliability and efficiency of electric power conversion, as well, semiconductor chips 1 are disposed, being put between a positive input bus bar 14p and a negative input bus bar 14n and plural output bus bars 18 at crossing positions thereof, and are connected electrically and thermally, to the positive input bus bar 14p in a pole direction consistent therewith while to the negative input bus bar 14n in a pole direction consistent therewith, and further to the common output bus bars 18 in pole directions being different from side by side.

Abstract: In a power converter module, a first input area intended to be connected to a first predetermined electric potential (+V) or a second input area intended to be connected to a second predetermined electric potential (−V) can be connected to an output area. At least one group of switches is provided, each group of switches has two semiconductor switch units, and each of the semiconductor switch units has a gate terminal. An input terminal of one of the semiconductor switch units is connected to the first input area, and an input terminal of the other semiconductor switch unit is connected to the second input area. Each of the semiconductor switch units has an output terminal, which is connected to the output area. The two semiconductor switch units of the minimum of one group of switches are positioned facing each other in such a way that at least the output terminals are opposite each other.

Abstract: A system and method for distributing power to multiple circuit boards coupled with a “system” backplane is disclosed. Separate redundant pairs of power supplies are provided for each circuit board in a load sharing arrangement. Each set of power supplies and their load, i.e. the circuit board to which they are coupled and providing power to, are isolated from the other sets. The power supplies are coupled with a second “power” backplane which interconnects the redundant power supply pairs as well as receives the input voltage and current from a source and distributes it to all of the power supplies. The power backplane is further coupled with the system backplane in a back to back arrangement to effect the connection of the power supplies with their respective loads. The redundant power supplies in combination with fault monitoring and failure handling logic identify and isolate faults, enable fail-over operation and prevent collateral damage to other system components.

Abstract: The present invention relates to a heat sink plate of an alternator for a vehicle which is capable of implementing an inherent operation of a heat sink by forming a hole in a plate and inserting a diode, forming a protrusion for stably fixing to a rear bracket for thereby implementing an inherent operation of a heat sink, enhancing a performance of a fan, simplifying an assembling work and implementing a stable installation of a regulator and other elements.

Abstract: A rectifier circuit (3) and a switching circuit (6) are mounted on a board (30). The board (30) is contained in a case (10) along with one or more capacitors (4, 5). In particular, the capacitors (4, 5) are laid sideways in the case (10).

Abstract: A system for delivering power to a processor enables a DC-to-DC converter substrate to be secured to the processor carrier in the Z-axis direction. The ability to assemble the converter to the processor in this way facilitates assembly compared to systems in which the converter is plugged in to the processor carrier in the direction substantially parallel to the surface of the motherboard.

Abstract: A semiconductor power conversion device includes two bridge-connected semiconductor switches, an output terminal, and first and second pairs of positive and negative direct current terminals. First conductors connect the negative direct current terminals of the first and second pairs with the output terminal through one of the two bridge-connected semiconductor switches, while second conductors connect the positive direct current terminals of the first and second pairs with the other of the two bridge-connected semiconductor switches. A housing is provided, which includes the two bridge-connected semiconductor switches, and at least a portion of the first conductor and of the second conductor as a multilayer structure formed by sandwiching an insulator between the first and second conductors inside the housing. The first and second pairs of direct current terminals are arranged on one side of one plane of the housing.

Abstract: A semiconductor apparatus includes positive and negative side conductors for bridge-connecting semiconductor switches, constituted to a wide conductor, and laminated by sandwiching an insulator between them. A semiconductor apparatus includes positive and negative side conductors extended from its case, and an electrolytic capacitor connected to the extension portion of the positive and negative side conductors. A power converter uses the semiconductor apparatus.

Abstract: An apparatus and method for mounting electrical devices in a housing at an angle relative to the ground is provided. The apparatus comprises a housing having a top, bottom, and sides, each of which may be open, closed or ventilated. One or more electrical devices are located in the housing and are oriented at an angle relative to the horizontal ground. The electrical devices may be silicon controlled rectifiers that serve as a power bridge between an exciter and a power generator. A method for mounting electrical devices in a housing at an angle relative to the horizontal ground is also provided.

Abstract: A DC bus for use in a power module has a positive DC conductor bus plate parallel with a negative DC conductor bus plate. One or more positive leads are connected to the positive bus and are connectable to a positive terminal of a power source. One or more negative leads are connected to the negative bus and are connectable to a negative terminal of a power source. The DC bus has one or more positive connections fastenable from the positive bus to the high side of a power module. The DC bus also has one or more negative connections fastenable from the negative bus to the low side of the power module. The positive bus and negative bus permit counter-flow of currents, thereby canceling magnetic fields and their associated inductances, and the positive and negative bus are connectable to the center portion of a power module.

Abstract: A switching module includes a first printed circuit board for mounting a switching element. To reduce inductance, the switching module includes a distributed bus. By electrically connecting a power bus disposed on the printed circuit board with a conducting sheet, the switching module provides a distributed bus having an inductance that is smaller than the inductance of the power bus. When the first conducting sheet is on a second printed circuit board, a plurality of conducting posts extends from the first printed circuit board to support the second printed circuit board. Alternatively, the conducting sheet and the power bus can be on the same printed circuit board, in which case a via in contact with the power bus and the conducting sheet provides electrical communication to create a distributed bus.

Abstract: A rectifier assembly includes two substantially identical and interchangeable heat sink plates mounted parallel to each other in spaced relation. Each heat sink plate has a plurality of identically positioned diode mounting holes. A plurality of rectifier diodes are mounted within the diode mounting holes such that plates are selectively negative or positive depending on the plurality of diodes mounted within the plate. A lead integument formed from an insulator material is mounted on a heat sink plate opposing the other heat sink plate and has embedded conductors and connectors that interconnect diode electrodes and other rectifier components.

Abstract: A low-inductive busbar arrangement for a three-point phase module of a polyphase three-point power converter is provided. At least one turn-off semiconductor switched being provided for each switch of this three-point phase module and at least one diode being provided for each of the two neutral point diodes. Connection busbars of this three-point-phase module are distributed between three busbar planes of the low-inductive busbar arrangement, which are mutually electrically insulated from one another in each case with insulation layer and are arranged in a plan-parallel manner. A low-inductive busbar arrangement for a three-point phase module is thus obtained which has three busbar planes, irrespective of the series connection number.

Abstract: The invention provides a bridge assembly for a three-phase motor. The assembly includes a first subassembly having a first terminal plate, a second subassembly having a second terminal plate, a third subassembly having a third terminal plate and a fourth subassembly having a bus terminal plate. Each of the terminal plates is electrically isolated from the other terminal plates, and at least one of the first, second, third and bus terminal plates acts as a heat sink. The assembly further includes first, second, third, fourth, fifth and sixth switching devices interconnected to at least one of the terminal plates. Each switching device has a heat generating surface in thermal communication with one of the first, second, third and bus terminal plates. The assembly further includes a fifth subassembly interconnected with the first, second, third, and fourth subassemblies.

Abstract: A DC bus for use in a power module includes a positive DC conductor bus plate parallel with a negative DC conductor bus plate. The positive bus and negative bus permit counter-flow of currents, thereby canceling magnetic fields and their associated inductances, and the positive and negative bus are connectable to the center portion of a power module.

Abstract: The present invention provides a unitary integrated circuit and power supply module. In one embodiment, this module includes a bridging printed circuit board, an integrated circuit assembly, and a power conversion assembly. The integrated circuit assembly is operably mounted to the bridging printed circuit board. The power conversion assembly is also operably mounted to the bridging printed circuit board. Core power is provided to the integrated circuit assembly through the bridging printed circuit board from the power conversion assembly. In this way, detrimental parasitics are reduced through the elimination of a connector for coupling a power conversion module to an integrated circuit module.

Abstract: The invention relates to a half-bridge module which is arranged in an electrically insulating cooling liquid and in which two semiconductor switches form a half-bridge; the first semiconductor switch is capable of being connected by its source terminal to a high voltage potential, and the second semiconductor switch is capable of being connected by its drain terminal to a low voltage potential; the drain terminal of each first semiconductor switch is connected to the source terminal of the respective second semiconductor switch; whereby respective first semiconductor switches are arranged with their source terminal on a common first metallic conductor rail which is capable of being connected to the high voltage potential; respective second semiconductor switches are arranged with their source terminal on a second metallic conductor rail constituting the output which is arranged alongside the first conductor rail, spaced therefrom; each second semiconductor switch is connected by its drain terminal to a common

Abstract: An electric power distributor is mountable on a motor vehicle for distributing power from a power source installed in the motor vehicle to a plurality of electric load units equipped in the vehicle, and is provided with an input conductive strip having an input terminal at one end thereof, a plurality of output conductive strips each having an output terminal at one end thereof, an insulating holder for holding the input conductive strip and the output conductive strips on the same plane, and a plurality of semiconductor switching elements. The input terminal and the output terminals are projected in the same direction substantially orthogonal to the plane of the insulating holder.

Abstract: A DC bus for use in a power module has a positive DC conductor bus plate parallel with a negative DC conductor bus plate. One or more positive leads are connected to the positive bus and are connectable to a positive terminal of a power source. One or more negative leads are connected to the negative bus and are connectable to a negative terminal of a power source. The DC bus has one or more positive connections fastenable from the positive bus to the high side of a power module. The DC bus also has one or more negative connections fastenable from the negative bus to the low side of the power module. The positive bus and negative bus permit counter-flow of currents, thereby canceling magnetic fields and their associated inductances, and the positive and negative bus are connectable to the center portion of a power module.

Abstract: In an electric power conversion/inversion apparatus, including, such as an inverter therein, for obtaining reduction in circuit inductance and wiring resistance therein by bringing small as a whole, having good installability and high reliability and efficiency of electric power conversion, as well, semiconductor chips 1 are disposed, being put between a positive input bus bar 14p and a negative input bus bar 14n and plural output bus bars 18 at crossing positions thereof, and are connected electrically and thermally, to the positive input bus bar 14p in a pole direction consistent therewith while to the negative input bus bar 14n in a pole direction consistent therewith, and further to the common output bus bars 18 in pole directions being different from side by side.

Abstract: In an automatic switchover device for a power source designed to automatically switch over systems for supplying electric power to an electric load in such a manner that electric power output from an engine generator is supplied to the electric load upon power failure of a regular power source system, a seesaw-type turn member is mounted for turning movement between a first turned position in which it permits a common contact to be electrically connected to a first individual contact and a second turned position in which it permits the common contact to be electrically connected to a second individual contact. First and second solenoids capable of exerting an electromagnetic force for driving the seesaw-type turn member toward one of the first and second turned position, each include a plunger which has an operating portion enabling the plunger to be pushed in from the outside, thereby enabling an operator's manual switching.

Abstract: A modular UPS unit with an internal central support structure. Each module can be removed from the structure independent of the others, permitting hot swapping of the modules. The internal support structure simplifies the manufacture of the unit, minimizes the size, and the unit is easily expanded in the field. The uninterrupted power supply has a base section, a central support structure and uninterrupted power supply modules. The central support structure is modular and can be connected to the base. Additional modular sections can be added to the central support section. The modular sections are formed from panels having male fasteners and I/O connectors on the front of each panel. The uninterrupted power supply modules have female fasteners for connecting with the male fasteners on the panels and I/O connectors for connecting to the I/O connectors on the panel.

Abstract: A contactless power supply device having a stationary unit and a movable unit that moves linearly in relation to the stationary unit. The stationary unit comprises a primary conductor having a power supply for supplying high frequency alternating current, at least one wire extending from the power supply along the stationary unit for carrying the current, and three switches arranged in parallel, each switch alternating its closing with the other switches to create a three phase alternating current. There is a secondary conductor disposed on the movable unit and arranged coaxially with the wire. The secondary conductor comprises a toroidal core surrounding the wire, and a three phase motor connected to the core and powered via induction from the power supply to slide the movable unit relative to the stationary unit.

Abstract: The invention relates to A compact electrical device, especially a switched-mode power supply, comprising a transformer for matching different electrical voltages, and an electrical circuit and a plug-in device, which can be connected to a reference voltage, at least one primary winding of the transformer being connected to the plug-in device and at least one secondary winding of the transformer being connected to the electrical circuit via conductor tracks, the primary and secondary windings enclosing at least a part of a transformer core.

Abstract: A regulator sub-assembly for an alternator comprises a substrate having a through aperture, with an integrated circuit component mounted within this aperture, while an elementary electronic component other than an integrated circuit (and being for example a capacitor) is also fixed to the substrate. The elementary component is surface mounted on the substrate.

Abstract: A secondary adapter for receiving a DC power signal and providing an ouput power signal as an input to an AC power adapter is disclosed. The AC power adapter may then provide a DC power signal to meet the input power requirements of an electronic appliance. While the AC power adapter is adapted to receive power from an AC power source, the secondary adapter converts a DC power source to provide an input power signal which is sufficient to power the AC power adapter. The secondary adapter enables the AC power adapter to provide power to the electronic appliance from either an AC power source or a DC power source.

Abstract: Electric bus arrangement (1) for DC-supply of power components, particularly for an inverter, having a first and a second plate (2, 3), arranged in parallel with each other, separated by an isolating layer (4), by which the first plate (2) connects first connections of power components (13) of a first group with first connections (23) of power components (14) of a second group, and the second plate (3) connects second connections of the power components (13) of the first group with second connections of the power components (14) of the second group. In such a bus arrangement an increase of the switching frequency is desired, however without the risk of damaging components due to overvoltage.

Abstract: An improved alternator system for replacing an OEM Ford IAR alternator system. The improved alternator system includes a rectifier with increased heat dissipation qualities and decreased heat generation qualities and configured to maintain secure electrical connections. The alternator system is further configured to provide optimum electrical output by providing the rotor and the stator with additional turns or windings of heavier gauge wire whereby the alternator is capable of inducing a stabilized output current of at least about 52 amperes of current at about 1600 revolutions per minute of the rotor.

Abstract: An electronic power device including at least one sub-system supporting power modules, a capacitor battery connectable to an electrical power supply and being connected to the power modules. The capacitor battery includes one or more capacitors which when a plurality are provided are disposed in parallel between first and second connection plates. Each sub-system has a first face supporting at least one first power module and a second face for supporting at least one second power module and wherein the first plate is connected to each first power module and the second plate is connected to each second power module.

Abstract: An adapter for interfacing a battery for a portable computer to an electronic device of a type that is not normally compatible with the battery for the portable computer includes a power adapter, a device-specific module and a delivery circuit. The power adapter is removably couplable to a portable computer battery and includes a power conversion circuit that converts a first electrical voltage received from the battery to a second electrical voltage. The device-specific module is removably couplable to the power adapter. The device-specific module receives the second electrical voltage from the power adapter and converts the second electrical voltage to a device-specific electrical voltage. The delivery circuit couples the device-specific module to the electronic device, thereby allowing delivery of the device-specific electrical voltage to the electronic device.

Abstract: A PWM driving circuit for a brushless motor is provided on an insulating film formed on a base board made of metal. Grounding the base board, filter condensers are formed between the base board and wiring patterns in which driving currents for the driving coils flow. The capacitances of the condensers are optimized by adjusting the film thickness of the insulating film or by changing the shapes of the wiring patterns or the like.

Abstract: The feedthrough for a high-voltage or medium-voltage substation, including a voltage divider (6), a metal bar (1) extending in a longitudinal direction (D) above the voltage divider and a metal coupling (8) for mechanically and electrically connecting one end of the bar to the voltage divider. The coupling comprises: a flange (9) with a boss (10) fixed to the top of the voltage divider, the boss having a substantially frustoconical bore (11) extending in the longitudinal direction inside which projects a substantially cylindrical central pin (12); and a substantially frustoconical part (13) constituting one end of the bar, this end being split in the longitudinal direction and having a cylindrical central bore (14), the part and the boss being shaped to be inserted one in the other.

Abstract: A metal oxide semiconductor (MOSFET) half bridge module for use in a 42 volt internal combustion engine starter/alternator circuit. The module is a compact, high power handling device which has an extremely low inductance. This low inductance module supports the current and current slew rates necessary to properly operate in an internal combustion engine starter/alternator circuit across a wide temperature range. The module has a thermally conductive base. A plurality of lower circuit boards are adjacently positioned within the base along the same plane. At least one semiconductor device has a first surface, the first surface of the semiconductor device is mounted to one of the plurality of circuit boards. A common terminal has planar portion which is coupled to each of the plurality of lower circuit boards. An upper circuit board is in electrical contact with the plurality of lower circuit boards and includes a connector providing external access for drive signals for the semiconductor device.