128results about "Printed circuit assemblies" patented technology

A system includes: an inverter, wherein the inverter includes: a power module including: a flex layer including a gate trace, a first substrate, a second substrate including a source plane and a gate plane separated from the source plane by a full trench, the source plane including a step trench, and the gate plane including an electrical connection through the gate trace of the flex layer to a gate input connection of the power module, a semiconductor die disposed between the first substrate and the second substrate, the step trench formed in a portion of the source plane corresponding to at an edge of the semiconductor die, and the semiconductor die including a gate connected to the gate plane, and a sinter element disposed between the semiconductor die and the second substrate to connect the semiconductor die to the second substrate; a battery; and a motor.

A system includes: an inverter configured to convert DC power to AC power, wherein the inverter includes: a power module including: a first substrate, a second substrate including a source plane and a gate plane separated from the source plane by a full trench, the source plane including a step trench, and the gate plane including an electrical connection through the second substrate to a gate input connection of the power module, a semiconductor die disposed between the first substrate and the second substrate, the step trench formed in a portion of the source plane corresponding to an edge of the semiconductor die, and the semiconductor die including a gate connected to the gate plane, and a sinter element disposed between the semiconductor die and the second substrate to connect the semiconductor die to the second substrate; a battery; and a motor.

A multifunctional charging and data adapter includes a housing, a plurality of data transmission connection holes, a first circuit board, a second circuit board, a charging plug, a charging module and a flexible circuit board. The first circuit board is provided with at least one of the data transmission connection holes. The second circuit board is adjacent to the first circuit board and is provided with at least another of the data transmission connection holes. The charging plug and the charging module are configured to receive external electrical power via the charging plug and transmit the external power to at least one of the data transmission connection holes via the first or second circuit board. The flexible circuit board is configured to be electrically connected between the first and second circuit boards so as to provide an electrical signal transmission path between the first and second circuit boards.

A system comprises: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a power switch including a drain terminal, a source terminal, and a gate terminal; and one or more controllers configured to detect a voltage from the gate terminal to the source terminal of the power switch as a gate-to-source voltage, and control a gate control signal to the gate terminal based on the detected gate-to-source voltage.

A system includes: an inverter including: a first galvanic interface to separate a first high voltage area from a low voltage area; a first low voltage controller in the low voltage area, the first low voltage controller configured to send a first control signal using the first galvanic interface to a first high voltage controller in the first high voltage area; a second galvanic interface to separate a second high voltage area from the low voltage area; and a second low voltage controller in the low voltage area, the first low voltage controller configured to send a second control signal using the second galvanic interface to a second high voltage controller in the second high voltage area, wherein the second low voltage controller is configured to provide an output latch signal to the first low voltage controller and receive an input latch signal from the first low voltage controller.

A system includes an inverter including: a point-of-use controller for a power module, the point-of-use controller including: a positive voltage connection configured to receive a positive control voltage from a high-voltage controller; a command connection configured to receive a command from the high-voltage controller; a message connection configured to send and receive a message to and from the high-voltage controller; a negative voltage connection configured to receive a positive control voltage from the high-voltage controller; a north gate connection configured to output a north gate control signal to a north group of one or more switches; a south gate connection configured to output a south gate control signal to a south group of one or more switches; a north sense connection configured to connect to a first portion of a sensing trace; and a south sense connection configured to receive a second portion of the sensing trace.

A system includes a power module, wherein the power module includes an interlocking feature on a first surface of the power module; and at least one heat sink, wherein the surface of the at least one heat sink includes a layer of thermal interface material.

A system includes an inverter including: a point-of-use controller for a power module, the point-of-use controller including: a positive voltage connection configured to receive a positive control voltage from a high-voltage controller; a command connection configured to receive a command from the high-voltage controller; a message connection configured to send and receive a message to and from the high-voltage controller; a negative voltage connection configured to receive a positive control voltage from the high-voltage controller; a north gate connection configured to output a north gate control signal to a north group of one or more switches; a south gate connection configured to output a south gate control signal to a south group of one or more switches; a north sense connection configured to connect to a first portion of a sensing trace; and a south sense connection configured to receive a second portion of the sensing trace.

A system includes an inverter configured to convert DC power from a battery to AC power to drive a motor, where the inverter includes: an electrical isolator separating a high voltage region from a low voltage region; a low voltage phase controller in the low voltage region, the low voltage phase controller configured to receive a clock reference signal; and a high voltage phase controller in the high voltage region, the high voltage phase controller configured to align a clock reference signal of the high voltage phase controller with the clock reference signal of the low voltage phase controller.

A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a first power module including: a first connection; a second connection; a first power switch including a first gate terminal, the first power switch configured to control a first flow of current between the first connection and the second connection based on a first signal to the first gate terminal; and a first point-of-use controller configured to provide the first signal to the first gate terminal to control the first power switch.

A system includes: an inverter configured to convert DC power to AC power, wherein the inverter includes: a power module including: a first substrate, a second substrate including a source plane and a gate plane separated from the source plane by a full trench, the source plane including a step trench, and the gate plane including an electrical connection through the second substrate to a gate input connection of the power module, a semiconductor die disposed between the first substrate and the second substrate, the step trench formed in a portion of the source plane corresponding to an edge of the semiconductor die, and the semiconductor die including a gate connected to the gate plane, and a sinter element disposed between the semiconductor die and the second substrate to connect the semiconductor die to the second substrate; a battery; and a motor.

The application discloses a circuit board conductive accessory, a circuit board assembly and an electronic device. The circuit board assembly comprises a circuit board, at least two conductive mounting seats and at least one conductive piece. The conductive mounting seats are connected to the circuit board, and each conductive mounting seat is formed with a first conductive plug-in structure. The conductive piece comprises a conductive main body part and at least two second conductive plug-in structures connected to the conductive main body part, and each first conductive plug-in structure is plugged with at least one second conductive plug-in structure. The circuit board conductive accessory, the circuit board assembly and the electronic device provided by the application can reduce manufacturing cost.

A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: an upper phase multi-chip module including: a low-voltage upper phase controller; a high-voltage upper phase A controller; an upper phase A galvanic isolator connecting the low-voltage upper phase controller to the high-voltage upper phase A controller; a high-voltage upper phase B controller; an upper phase B galvanic isolator connecting the low-voltage upper phase controller to the high-voltage upper phase B controller; a high-voltage upper phase C controller; and an upper phase C galvanic isolator connecting the low-voltage upper phase controller to the high-voltage upper phase C controller.

A system includes an inverter configured to convert DC power from a battery to AC power to drive a motor, where the inverter includes: a power switch including a drain terminal, a source terminal, and a gate terminal; and a controller configured to detect a change in current at the source terminal of the power switching member using a complex impedance of a metal trace connected to the source terminal of the power switching member, and to control a gate control signal to the gate terminal based on the detected change in current.

A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a power switch including a drain terminal, a source terminal, and a gate terminal; and one or more controllers configured to: detect a temperature of the power switch, a rate of change in current of the power switch, and a filtered current of the power switch, and control a pulse width of a gate control signal to the gate terminal based on the detected temperature of the power switch, the detected rate of change in current of the power switch, and the detected filtered current of the power switch.

A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, where the inverter includes: a bulk capacitor; one or more phase switching members; and one or more controllers configured to control a gate voltage to the one or more phase switches to discharge the bulk capacitor, wherein the one or more controllers are configured to control the gate voltage based on one or more of the measured temperature of the one or more phase switches or the estimated temperature of the one or more phase switches.

A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: an upper phase multi-chip module including: a low-voltage upper phase controller; a high-voltage upper phase A controller; an upper phase A galvanic isolator connecting the low-voltage upper phase controller to the high-voltage upper phase A controller; a high-voltage upper phase B controller; an upper phase B galvanic isolator connecting the low-voltage upper phase controller to the high-voltage upper phase B controller; a high-voltage upper phase C controller; and an upper phase C galvanic isolator connecting the low-voltage upper phase controller to the high-voltage upper phase C controller.

A system includes an inverter configured to convert DC power from a battery to AC power to drive a motor, where the inverter includes: a first power module including: a first connection; a second connector; a first power switching member, the first power switching member comprising a first gate terminal, the first power switching member configured to control a first current between the first connection member and the second connection member based on a first signal to the first gate terminal; and a first point of use controller configured to provide the first signal to the first gate terminal to control the first power switching element.

A system includes an inverter including: a first galvanic isolator separating a low voltage area from a high voltage area, the first galvanic isolator having a first galvanic isolator output path; a second galvanic isolator having a second galvanic isolator output path; an amplifier connected to the first galvanic isolator via the first galvanic isolator output path, and connected to the second galvanic isolator via the second galvanic isolator output path, the amplifier having a first amplifier output path and a second amplifier output path; a comparator connected to the amplifier via the first amplifier output path and the second amplifier output path, the comparator having a first comparator output path and a second comparator output path; and a pulse reshape and envelope detector connected to the comparator via the first comparator output path and the second comparator output path.

A base for an electrical component includes: a body, the body defining: a rim, pin slots, and first engagement slots; contact terminals; and electrical connectors, each of the electrical connectors being positioned within a respective pin slot and including a pin terminal positioned on a first surface of the body; wherein the base is configured to provide an electrical connection between one or more power modules and a substrate.

A subassembly for an electrical component includes: a first plate including: a wall, stepped walls extending from opposite sides of the wall, flange elements extending outwardly from the stepped walls, each flange element defining an engagement slot; a first heatsink positioned on the wall between the stepped walls; a second heatsink; a power module between the first heatsink and the second heatsink; and a second plate including: a plate wall extending across the second heatsink, transition walls extending from opposite sides of the plate wall, and prongs extending from the transition walls toward the first plate and substantially perpendicular to an inner surface of the plate wall in contact with the second heatsink, wherein the prongs are aligned with and configured to engage the engagement slots.

A system comprises an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a galvanic isolator separating a high voltage area from a low voltage area; a low voltage phase controller in the low voltage area, the low voltage phase controller configured to receive a clock reference signal; and a high voltage phase controller in the high voltage area, the high voltage phase controller configured to align a clock reference signal of the high voltage phase controller with the clock reference signal of the low voltage phase controller.

A system includes an inverter configured to convert DC power from a battery to AC power to drive a motor, where the inverter includes: a power module including: a first phase switch including one or more first phase power switches; a second phase switching member, wherein the second phase switching member comprises one or more second phase power switching members; and one or more controllers configured to detect a gate open condition of the first phase switching member or the second phase switching member.

A system includes an inverter configured to convert DC power from a battery to AC power to drive a motor, where the inverter includes: an upper phase multi-chip module including: a low voltage upper phase controller; a high voltage upper phase A controller; an upper phase A electrical isolator that connects the low voltage upper phase controller to the high voltage upper phase A controller; a high voltage upper phase B controller; an upper phase B electrical isolator that connects the low voltage upper phase controller to the high voltage upper phase B controller; a high voltage upper phase C controller; and an upper phase C electrical isolator that connects the low voltage upper phase controller to the high voltage upper phase C controller.

A system includes an inverter configured to convert DC power from a battery to AC power to drive a motor, where the inverter includes: a power module including: a first phase switch including one or more first phase power switches on a first side of a substrate; and a second phase switching member including one or more second phase power switching members on a second side of the substrate opposite the first side.

A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a power module including: a drain tab; a source tab; a first power switch including a first gate terminal configured to control a first flow of current between the drain tab and the source tab; a second power switch including a second gate terminal configured to control a second flow of current between the drain tab and the source tab; and one or more controllers configured to provide a first signal to the first gate terminal and a second signal to the second gate terminal.

A power module includes: one or more power switches; a passive heat dissipation element in contact with and facing the first surface of the one or more power switches, the passive heat dissipation element having a first planar surface and a second planar surface; and an active heat dissipation element, the active heat dissipation element being in contact with and facing the second surface of the one or more power switches, wherein the active heat dissipation element is positioned opposite and in thermal contact with the passive heat dissipation element relative to the one or more power switches.

A system comprises: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a power switch including a drain terminal, a source terminal, and a gate terminal; and a controller configured to detect a change in current at the source terminal of the power switch using a complex impedance of a metal trace connected to the source terminal of the power switch, and control a gate control signal to the gate terminal based on the detected change in current.

A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a power switch including a drain terminal, a source terminal, and a gate terminal; and one or more controllers configured to: detect a temperature of the power switch, a rate of change in current of the power switch, and a filtered current of the power switch, and control a pulse width of a gate control signal to the gate terminal based on the detected temperature of the power switch, the detected rate of change in current of the power switch, and the detected filtered current of the power switch.

A system comprises an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a galvanic isolator separating a high voltage area from a low voltage area; a low voltage phase controller in the low voltage area, the low voltage phase controller configured to receive a clock reference signal; and a high voltage phase controller in the high voltage area, the high voltage phase controller configured to align a clock reference signal of the high voltage phase controller with the clock reference signal of the low voltage phase controller.