# US 11,442,514 B2 · Power supply unit with some DC-DC converters located outside the enclosure and integrated into cable harness assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,442,514 B2 - Document ID: US11442514B2 - Status: Granted - Kind: B2 - Application number: 16/530,145 - Filed: 2019-08-02 - Published: 2021-02-04 - Granted: 2022-09-13 - Earliest claimed: 2019-08-02 - Assignees: High Power Electronic Co., Ltd. - Applicants: High Power Electronic Co., Ltd. - Inventors: Chih-Ming Chen; Feng-Hsun Mo - Web page: https://patentgrep.com/patent/US11442514B2 ## CPC - G06F 1/26: Power supply means, e.g. regulation thereof (for memories G11C) - G06F 1/189: {Power distribution} - G06F 1/266: {Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips} - H01B 7/0045: {Cable-harnesses} - H01B 7/08: Flat or ribbon cables - H02M 3/156: with automatic control of output voltage or current, e.g. switching regulators - H05K 5/00: Casings, cabinets or drawers for electric apparatus - H05K 5/0069: {having connector relating features for connecting the connector pins with the PCB or for mounting the connector body with the housing} - G06F 1/18: Packaging or power distribution - H02M 3/02: without intermediate conversion into AC - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K}) - 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) - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract A power supply unit where the main DC voltage output rail is incorporated within the enclosure of the power supply unit and some DC voltage output rails and DC-DC converters are located outside the enclosure of the power supply unit close to or directly at the input of the system board and input of associated system peripheral via integration into a cable harness assembly, to negate the voltage drop on the cable harness assembly, resulting in a lower power loss across the cable harness assembly, leading to an improvement in combined power supply unit and cable harness assembly efficiency. ## Claims ### Claim 1 A power supply unit (1000) with some DC-DC converters located outside the enclosure and integrated into cable harness assembly, the power supply unit (1000) comprising: an enclosure (100); a main DC voltage output rail (104); a first branch DC voltage output rail (114); a second branch DC voltage output rail (115); an additional DC voltage output rail (107) being incorporated within the enclosure (100); and a supervisor IC (101); the power supply unit (1000) is characterized in that: the main DC voltage output rail (104) is incorporated within the enclosure (100), the supervisor IC (101) is internal or external to the enclosure (100), the first branch DC voltage output rail (114) and the second branch DC voltage output rail (115) are located outside the enclosure (100), wherein the first branch DC voltage output rail (114) and the second branch voltage DC output rail (115) are connected back to the supervisor IC (101), the first branch DC voltage output rail (114) is coupled to the main DC voltage output rail (104) through a first DC-DC converter (111), the second branch DC voltage output rail (115) is coupled to the main DC voltage output rail (104) through a second DC-DC converter (112), wherein the first DC-DC converter (111) and the second DC-DC converter (112) are located outside the enclosure (100) via integration into a cable harness assembly (113). ### Claim 2 (depends on 1) The power supply unit according to claim 1, further comprising a standby DC output rail (108), wherein the standby DC output rail (108) is incorporated within the enclosure (100). ### Claim 3 (depends on 1) The power supply unit according to claim 1, wherein the main DC voltage output rail (104) is a +12V DC output rail, the first branch DC voltage output rail (114) is a +5V DC output rail, and the second branch DC voltage output rail (115) is a +3.3V DC output rail. ### Claim 4 (depends on 2) The power supply unit according to claim 2, further comprising: a standby voltage source (500) incorporated within the enclosure (100); a first switch element (502) connected between the standby voltage source (500) and the standby DC output rail (108); a first control circuit (501) connected with the first switch element (502) and configured to switch on or switch off the second switch element (503); a second switch element (503) connected between first branch DC voltage output rail (114) and the standby DC output rail (108); and a second control circuit (504) connected with the second switch element (503) and configured to switch on or switch off the second switch element (503). ### Claim 5 (depends on 1) The power supply unit according to claim 1, wherein a SATA cable harness (304), a SATA cable (305) or a SATA connector (306) is added to the DC cable harness assembly (113). ### Claim 6 (depends on 1) The power supply unit according to claim 1, wherein a Peripheral cable harness (307), a Peripheral cable (308) or a Peripheral connector (309) is added to the DC cable harness assembly (113). ### Claim 7 (depends on 1) The power supply unit according to claim 1, wherein a Floppy cable harness (310), a Floppy cable (311) or a Floppy connector (312) is added to the DC cable harness assembly (113). ### Claim 8 (depends on 1) The power supply unit according to claim 1, wherein an additional cable (302), or an additional connector (303) is added to the DC cable harness assembly (113).