# US 12,603,584 B1 · Integrated power hub > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,603,584 B1 - Document ID: US12603584B1 - Status: Granted - Kind: B1 - Application number: 18/378,626 - Filed: 2023-10-10 - Granted: 2026-04-14 - Earliest claimed: 2022-10-07 - Assignees: Motiv Power Systems, Inc. - Applicants: Motiv Power Systems, Inc. - Inventors: James Michael Castelaz - Web page: https://patentgrep.com/patent/US12603584B1 ## CPC - H02M 7/003: {Constructional details, e.g. physical layout, assembly, wiring or busbar connections} - H02J 3/36: Arrangements for transfer of electric power between AC networks via high-voltage DC [HVDC] links; Arrangements for transfer of electric power between generators and networks via HVDC links - H05K 7/14322: {wherein the control and power circuits of a power converter are arranged within the same casing} - H05K 7/20927: {Liquid coolant without phase change} - H02M: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers H01F; dynamo-electric converters H02K47/00; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters H02P) - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract An integrated power hub operates to distribute power in electric vehicles. In one embodiment, the power hub includes a first power converter that converts power between an AC voltage network and a high voltage direct current (HVDC) bus, a second power converter that converts power between the HVDC bus and a low voltage DC (LVDC) bus, a first HVDC connector mounted to the enclosure that is connected to the HVDC bus, a second HVDC connector mounted to the enclosure that is connected to the HVDC bus through a switch, a third HVDC connector mounted to the enclosure that is connected to the HVDC bus through a current-limiting device, and a first LVDC connector mounted to the enclosure that is connected to the LVDC bus. ## Claims ### Claim 1 An enclosure comprising: an Alternating Current (AC) connector mounted to the enclosure that connects to an AC voltage network; a first power converter that converts power between the AC voltage network and a high-voltage direct current (HVDC) bus; a second power converter that converts power between the HVDC bus and a low-voltage DC (LVDC) bus; a first HVDC connector mounted to the enclosure that is connected to the HVDC bus; a second HVDC connector mounted to the enclosure that is connected to the HVDC bus through a switch; a third HVDC connector mounted to the enclosure that is connected to the HVDC bus through a current-limiting device; and a first LVDC connector mounted to the enclosure that is connected to the LVDC bus. ### Claim 2 (depends on 1) The enclosure of claim 1, further comprising: a voltage sensor that measures voltage on the second HVDC connector. ### Claim 3 (depends on 2) The enclosure of claim 2, further comprising: a controller, wherein the controller controls the first and second power converters, reads the voltage sensor, and communicates with a controller outside the enclosure using a Controller Area Network (CAN) bus. ### Claim 4 (depends on 3) The enclosure of claim 3, wherein a state of the current-limiting device is sensed by the controller. ### Claim 5 (depends on 1) The enclosure of claim 1, wherein each of the first and second HVDC connectors sustains a current level that is at least twice as large as a current level sustained by the third HVDC connector. ### Claim 6 (depends on 1) The enclosure of claim 1, wherein the first HVDC connector carries at least 100 amperes, wherein the second HVDC connector carries at least 200 amperes, and wherein the third HVDC connector carries less than 50 amperes. ### Claim 7 (depends on 1) The enclosure of claim 1, wherein the first HVDC connector does not couple to any current-limiting device internal to the enclosure. ### Claim 8 (depends on 1) The enclosure of claim 1, wherein the HVDC bus operates at a voltage level over 60V and the LVDC bus operates at a voltage level under 60V. ### Claim 9 (depends on 1) The enclosure of claim 1, wherein the current-limiting device is at least one of a fuse, a circuit breaker, an electronic fuse, a switch, or a solid-state device. ### Claim 10 (depends on 1) The enclosure of claim 1, wherein the switch is at least one of a contactor, a relay, or a transistor. ### Claim 11 (depends on 1) The enclosure of claim 1, further comprising: a current sensor that measures a current flowing through the LVDC bus. ### Claim 12 (depends on 1) The enclosure of claim 1, further comprising: a high-voltage interlock circuit that indicates whether or not one or more of the first, second, and third HVDC connectors is connected or disconnected. ### Claim 13 (depends on 12) The enclosure of claim 12, wherein the second power converter operates to reduce the voltage on the HVDC bus when the high-voltage interlock circuit indicates one or more of the first, second, and third HVDC connectors is disconnected. ### Claim 14 (depends on 12) The enclosure of claim 12, wherein a power dissipation element reduces the voltage on the HVDC bus when the high-voltage interlock circuit indicates one or more of the first, second, and third HVDC connectors is disconnected. ### Claim 15 (depends on 1) The enclosure of claim 1, wherein the enclosure maintains an ingress protection (IP) rating. ### Claim 16 (depends on 15) The enclosure of claim 15, wherein the IP rating is greater than IP22. ### Claim 17 (depends on 1) The enclosure of claim 1, further comprising: a heat exchanger. ### Claim 18 (depends on 17) The enclosure of claim 17, further comprising: cooling connection points configured to route coolant through cooling channels within the heat exchanger.