85results 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 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, 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, 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 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, 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 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.

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 configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a galvanic interface configured to separate a high voltage area from a low voltage area, the galvanic interface including a command channel and a message channel; a low voltage controller in the low voltage area, the low voltage controller configured to receive a PWM signal from a PWM controller; and a high voltage controller in the high voltage area, the high voltage controller configured to receive a control signal from the low voltage controller using the command channel of the galvanic interface, and send a switch state signal to the low voltage controller using the command channel of the galvanic interface, wherein the low voltage controller is configured to control the control signal based on the PWM signal and the switch state signal.

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 module including: a first substrate including a first conductive layer; a second substrate including a second conductive layer; a power switch between the first substrate and the second substrate; and a flex layer between the first substrate and the second substrate, the flex layer electrically connected to the power switch.

A power module includes: a first substrate having an outer surface and an inner surface, the first substrate extending from a first longitudinal end toward a second longitudinal end; a semiconductor die coupled to the inner surface of the first substrate; and a second substrate having an outer surface and an inner surface, the semiconductor die being coupled to the inner surface of the second substrate, the second substrate extending from a first longitudinal end toward a second longitudinal end, wherein the first longitudinal end of the first substrate is longitudinally offset from the first longitudinal end of the second substrate.

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 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 circuit board module includes a first circuit board, a second circuit board and a connection layer. The first circuit board includes two first conductive layers, a first dielectric core layer and a first conductive via, the first dielectric core layer is formed between the two first conductive layers, and the first conductive via connects the two first conductive layers. The second circuit board includes two second conductive layers, a second dielectric core layer and a second conductive via, the second dielectric core layer is formed between the two second conductive layers, and the second conductive via connect the two second conductive layers. The connection layer is formed between the first circuit board and the second circuit board and combines the first circuit board with the second circuit board. The second circuit board is disposed on a side of the first circuit board.

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 first phase switch including one or more first phase power switches on a first side of a substrate; and a second phase switch including one or more second phase power switches on a second side of the substrate opposite to the first side.

A power module includes: a first substrate having an outer surface and an inner surface, the first substrate extending from a first longitudinal end toward a second longitudinal end; a semiconductor die coupled to the inner surface of the first substrate; and a second substrate having an outer surface and an inner surface, the semiconductor die being coupled to the inner surface of the second substrate, the second substrate extending from a first longitudinal end toward a second longitudinal end, wherein the first longitudinal end of the first substrate is longitudinally offset from the first longitudinal end of the second substrate.

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 bulk capacitor; one or more phase switches; 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 is configured to control the gate voltage based on one or more of a measured temperature of the one or more phase switches or an estimated temperature of the one or more phase 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: an upper phase controller configured to store upper phase data; a lower phase controller configured to store lower phase data; and a data coherence interface providing a communication interface between the upper phase controller and the lower phase controller for data coherence between the stored upper phase data and the stored lower phase data.

A light ranging system including a shaft having a longitudinal axis; a light ranging device configured to rotate about the longitudinal axis of the shaft, the light ranging device including a light source configured to transmit light pulses to objects in a surrounding environment, and detector circuitry configured to detect reflected portions of the light pulses that are reflected from the objects in the surrounding environment and to compute ranging data based on the reflected portion of the light pulses; a base subsystem that does not rotate about the shaft; and an optical communications subsystem configured to provide an optical communications channel between the base subsystem and the light ranging device, the optical communications subsystem including one or more turret optical communication components connected to the detector circuitry and one or more base optical communication components connected to the base subsystem.