A housing includes: a box-shaped main body portion accommodating an electronic circuit substrate and including an opening portion; a lid portion covering the opening portion so as to be able to open or close the opening portion; a jumper detachably attached to the electronic circuit substrate; a window portion different from the opening portion, the window portion being opposed to the jumper and being open at the main body portion; and a cover portion covering the window portion so as to be able to open or close the window portion.

An apparatus for adapting an intelligent power module to a main circuit board of a motor controller, including: an adapter circuit board having fixed interface contact pins configured to be plugged into interface contact elements of the main circuit board of the motor controller, the power module having contact pins having a first pin out configuration connected on the adapter circuit board, wherein the adapter circuit board provides a cross pin configuration between the first pin out configuration of the power module and the interface contact pins having a second pin out configuration in order to connect the power module to the main circuit board, a set of capacitors connecting points on the adapter circuit board and capacitors connected to at least some of the capacitors connecting points and configured to reduce a radiated emission level of the motor controller, the capacitance of the capacitors being designed to reach a target threshold for the radiated emission level of the motor controller.

An electrical circuit device comprises at least one first power electronics module, at least one second power electronics module, a circuit board and a supporting structure, wherein the power electronics modules each lie by a contact side against an associated contact surface of the supporting structure and have one or more terminal pins connected to the circuit board on and/or next to a connection side situated opposite the contact side, wherein the first power electronics module has a lesser thickness between the contact side and the connection side than the second power electronics module, wherein the contact surface against which the contact side of the first power electronics module bears has a lesser distance from the circuit board than the contact surface against which the contact side of the second power electronics module bears, and/or wherein the terminal pins of the first power electronics module are longer than the terminal pins of the second power electronics module.

A protection device for a pulse inverter is provided and is configured to be detachably arranged on an opening of an open housing part of the pulse inverter, wherein the protection device is configured to protect from dirt, mechanical impact and/or electrostatic charging, at least one inner element of the pulse inverter, in particular an electrical system and/or an electronic system, which is arranged in the open housing part. Furthermore, a pulse inverter is provided comprising a housing, as well as an e-machine with a pulse inverter.

An inverter has at least three phases for supplying current to an electrical machine. The inverter also has a control unit and at least one power output stage connected to the control unit on an input side. The control unit is configured to generate pulse-width-modulated control signals for activating the power output stage. The inverter further has a heat sink and, for each phase, an intermediate circuit capacitor and a semiconductor switch half bridge. The heat sink has a flat thermal contact surface. The thermal contact surface is connected in a thermally conductive manner to the control unit and to the semiconductor switch half bridges. The heat sink has a recess for each of the intermediate circuit capacitors, and the intermediate circuit capacitors are each arranged in one of the recesses in the heat sink.

An electronic control module includes: a first board having an upper surface on which electronic components are mounted; a second board disposed on an upper surface side of the first board with an interval therebetween and having an upper surface on which electronic components are mounted; and a tubular bracket provided between the first board and the second board and defining a closed space between the first board and the second board.

An inverter unit includes an inverter and an inverter housing. The inverter drives an electric motor and includes at least one power module and a printed circuit board. The power module converts a High Voltage (HV) Direct Current (DC) to a three-phase Alternating Current (AC) that drives the electric motor. The power module includes lead frames to be received in apertures formed on the PCB. The PCB configured with electronic components mounted thereon controls the electric motor. The inverter housing includes a front head and a cover. The cover in conjunction with the front head defines an enclosure for receiving the inverter. The inverter unit includes support elements to support the power module in a hanging configuration with respect to the PCB.

A power conversion module includes a motherboard having a first surface and a second surface that opposes the first surface. The motherboard includes a first trace that electrically couples a decoupling capacitor mounted on the motherboard to a first pad on the first surface of the motherboard and an output node of a power conversion module. The motherboard includes a via extending through the motherboard that electrically couples a second pad on the first surface of the motherboard and a third pad on the second surface of the motherboard to the output node and a second trace that electrically couples a fourth pad on the second surface of the motherboard and the decoupling capacitor. The power module includes a first daughterboard mounted on the first surface of the motherboard and a second daughterboard mounted on the second surface of the motherboard.

An electronic device, in particular an alternator regulator, comprising a power stage to be connected to an inductive load, in particular to an alternator inductor, comprising at least one first pair of power transistors connected to a terminal of a DC bus, and a control circuit for said transistors, the transistors being disposed in parallel between said terminal of the DC bus and a first output to be connected to the load, at least one flyback diode connecting the opposite terminal of the DC bus to the first output, the control circuit being designed to generate a pulsed control signal for regulating the current in the load and for detecting a failure of one of the transistors, the control circuit being designed, during normal operation, to send the control signal to one of the transistors of the first pair, while maintaining the other transistor of said pair in an off-state.

An inverter system for a drive train of a motor vehicle is disposed in a multi-part housing. The inverter system includes a control board which can be connected via control cable connections to control lines, DC link capacitors, power semiconductors, control units, and current transformers. The housing is formed with an electronics level, a power level and a connection level. The interior of the housing has a plurality of zones in which different conditions prevail with regard to temperature and/or EMC shielding.