Abstract: 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 gate terminal; and a gate driver configured to: receive a pulse to control an operation of the power switch, generate, based on the received pulse, a first signal to the gate terminal to increase a gate voltage level of the power switch at a first rate from an off-state gate voltage level to a first on-state gate voltage level in a first time period, and generate, based on the received pulse, a second signal to the gate terminal to increase the gate voltage level of the power switch at a second rate, less than the first rate, to a second on-state gate voltage level in a second time period subsequent to the first time period.

Abstract: A system includes a multi-level inverter configured to convert DC power to AC power to drive a motor, wherein the multi-level inverter includes: a first printed circuit board for a two-level inverter; a power module electrically connected to the first printed circuit board; and a second printed circuit board electrically connected to the power module and to the first printed circuit board, wherein the second printed circuit board includes: one or more switches; one or more capacitors electrically connected to the one or more switches; and one or more controllers to control the one or more switches.

Abstract: A system includes an inverter to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a power module including: a positive DC power tab; a negative DC power tab; an AC power tab; a first neutral power tab; a second neutral power tab, wherein the first neutral power tab and the second neutral power tab are on opposite sides of the positive DC power tab and the negative DC power tab; a first switch electrically connected to the positive DC power tab and the AC power tab; a second switch electrically connected to the negative DC power tab and the AC power tab; and one or more switches electrically connected to the AC power tab and one or more of the first neutral power tab or the second neutral power tab.

Abstract: A system includes an inverter to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a capacitor assembly including: a first busbar; a second busbar; a third busbar between the first busbar and the second busbar; and one or more capacitors connected to one or more of the first busbar, the second busbar, or the third busbar.

Abstract: A system includes an inverter to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a capacitor assembly including: a first group of capacitors connected to one or more power modules, wherein the first group of capacitors are used when the one or more power modules operate as a two-level inverter; and a second group of capacitors connected to the one or more power modules, wherein the second group of capacitors are used when the one or more power modules operate as a three-level inverter or as the two-level inverter.

Abstract: A system includes an inverter configured to convert DC power from a main battery to AC power to drive a motor, wherein the inverter includes a galvanic isolator separating a high voltage (HV) area from a low voltage (LV) area, a gate driver in the HV area, the gate driver to control one or more switches in the HV area in response to a control signal from the LV area, an auxiliary battery assembly in the HV area, and a power supply to provide power to the HV area from each of the main battery and the auxiliary battery assembly.

Abstract: A method includes performing, by one or more controllers, operations including: receiving a pulse to control an operation of a power switch including a gate terminal; generating, based on the received pulse, a first signal to the gate terminal to increase a gate voltage level of the power switch at a first rate from an off-state gate voltage level to a first on-state gate voltage level in a first time period; and generating, based on the received pulse, a second signal to the gate terminal to increase the gate voltage level of the power switch at a second rate, less than the first rate, to a second on-state gate voltage level in a second time period subsequent to the first time period.

Abstract: A system including an inverter to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes a first power module assembly including a first power module including a positive DC power tab, a first AC power tab, and a first switch electrically connected to the positive DC power tab and the first AC power tab, a second power module including a negative DC power tab, a second AC power tab, and a second switch electrically connected to the negative DC power tab and the second AC power tab, and a third power module including a neutral power tab, a third AC power tab, and one or more switches electrically connected to the neutral power tab and the third AC power tab.

Abstract: A system including an inverter 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 switch electrically connected to a positive DC power tab and an AC power tab, a second switch electrically connected to a negative DC power tab and the AC power tab, and two switches electrically connected to a neutral power tab and the AC power tab.

Abstract: Disclosed solutions relate to electrical inverters. An inverter may further include may include a power module including phase switches, a first negative DC power tab, and a second negative DC power tab. The first negative DC power tab and the second negative DC power tab are connected to one or more of the phase switches. The inverter may further include a positive DC power tab positioned between the first negative DC power tab and the second negative DC power tab and connected to the phase switches. The inverter may further include one or more phase AC power tabs to receive AC power from the phase switches.

Abstract: An inverter including: a housing including a first surface and a second surface opposite to the first surface; a power module including a first surface and a second surface opposite to the first surface, wherein the first surface of the power module contacts the first surface of the housing; a heat sink including a first surface and a second surface opposite to the first surface, wherein the first surface of the heat sink is coupled to the second surface of the power module; a multi-functional structural element, the multi-functional structural element including a first surface and a second surface, wherein the first surface of the multi-functional structural element contacts the second surface of the heat sink; and a printed circuit board, the printed circuit board being coupled to the second surface of the multi-functional structural element; wherein the housing and heat sink define a cooling circuit.

Abstract: A system for an electric vehicle includes: an inverter housing including an inner wall, a first channel, and an exterior surface; and a heatsink coupled to the exterior surface of the inverter housing, the heatsink including a second channel; wherein the first channel in the inverter housing and the second channel in the heatsink define a cooling circuit, and wherein the first channel is fluidly connected to the second channel to pass a coolant through the cooling circuit.

Abstract: An inverter including: a housing including a first surface and a second surface opposite to the first surface; a power module including a first surface and a second surface opposite to the first surface, wherein the first surface of the power module contacts the first surface of the housing; a heat sink including a first surface and a second surface opposite to the first surface, wherein the first surface of the heat sink is coupled to the second surface of the power module; a multi-functional structural element, the multi-functional structural element including a first surface and a second surface, wherein the first surface of the multi-functional structural element contacts the second surface of the heat sink; and a printed circuit board, the printed circuit board being coupled to the second surface of the multi-functional structural element; wherein the housing and heat sink define a cooling circuit.

Abstract: A method includes performing, by one or more controllers, operations including: receiving a pulse to control an operation of a power switch including a gate terminal; generating, based on the received pulse, a first signal to the gate terminal to increase a gate voltage level of the power switch at a first rate from an off-state gate voltage level to a first on-state gate voltage level in a first time period; and generating, based on the received pulse, a second signal to the gate terminal to increase the gate voltage level of the power switch at a second rate, less than the first rate, to a second on-state gate voltage level in a second time period subsequent to the first time period.

Abstract: 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 gate terminal; and a gate driver configured to: receive a pulse to control an operation of the power switch, generate, based on the received pulse, a first signal to the gate terminal to increase a gate voltage level of the power switch at a first rate from an off-state gate voltage level to a first on-state gate voltage level in a first time period, and generate, based on the received pulse, a second signal to the gate terminal to increase the gate voltage level of the power switch at a second rate, less than the first rate, to a second on-state gate voltage level in a second time period subsequent to the first time period.

Abstract: A bulk capacitor assembly for an inverter includes a stacked busbar, the stacked busbar including a first direct current (DC) busbar and a second DC busbar; one or more first capacitors on a first side of the stacked busbar, the one or more first capacitors electrically connected to the first DC busbar and the second DC busbar; and one or more second capacitors on a second side of the stacked busbar, the first side being opposite to the second side, the one or more second capacitors electrically connected to the first DC busbar and the second DC busbar.

Abstract: A system may include a capacitor assembly, the capacitor assembly including: a planar busbar, the planar busbar including a first direct current (DC) busbar and a second DC busbar, one or more first capacitors on a first side of the planar busbar, the one or more first capacitors including a first bobbin with a positive end facing a first direction with respect to the planar busbar; and one or more second capacitors on the first side of the planar busbar, the one or more second capacitors including a second bobbin with a positive end facing a second direction with respect to the planar busbar, wherein the one or more first capacitors are alternately arranged with the one or more second capacitors with respect to the planar busbar.

Abstract: A system for an electric vehicle includes: an inverter housing including an inner wall, a first channel, and an exterior surface; and a heatsink coupled to the exterior surface of the inverter housing, the heatsink including a second channel; wherein the first channel in the inverter housing and the second channel in the heatsink define a cooling circuit, and wherein the first channel is fluidly connected to the second channel to pass a coolant through the cooling circuit.

Abstract: An inverter including: a housing including a first surface and a second surface opposite to the first surface; a power module including a first surface and a second surface opposite to the first surface, wherein the first surface of the power module contacts the first surface of the housing; a heat sink including a first surface and a second surface opposite to the first surface, wherein the first surface of the heat sink is coupled to the second surface of the power module; a multi-functional structural element, the multi-functional structural element including a first surface and a second surface, wherein the first surface of the multi-functional structural element contacts the second surface of the heat sink; and a printed circuit board, the printed circuit board being coupled to the second surface of the multi-functional structural element; wherein the housing and heat sink define a cooling circuit.

Abstract: A power converter including a semiconductor module having a base plate and a cooling housing. The cooling housing includes a receptacle plate and a cover. The receptacle plate has an opening. The receptacle plate is connected to the base plate of the semiconductor module around the opening. The cover is connected to the receptacle plate along a closure path around the opening, and either the receptacle plate or the cover is formed as a stamped or deep-drawn plate.