# US 12,119,158 B2 · Power conversion module and magnetic component thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,119,158 B2 - Document ID: US12119158B2 - Status: Granted - Kind: B2 - Application number: 17/409,223 - Filed: 2021-08-23 - Published: 2022-03-31 - Granted: 2024-10-15 - Earliest claimed: 2020-09-25 - Assignees: Delta Electronics, Inc. - Applicants: Delta Electronics, Inc. - Inventors: Yahong Xiong; Junguo Cui; Kaijian Yang; Dongjie Gu - Web page: https://patentgrep.com/patent/US12119158B2 ## CPC - H01F 27/263: {Fastening parts of the core together} - H01F 27/266: {Fastening or mounting the core on casing or support (on coil H01F27/30)} - H01F 17/04: with magnetic core - H01F 27/06: Mounting, supporting, or suspending transformers, reactors, or choke coils {not being of the signal type} - H01F 27/065: {Mounting on printed circuit boards} - H01F 27/2852: {Construction of conductive connections, of leads} - H01F 27/306: {Fastening or mounting coils or windings on core, casing or other support} - H02M 3/003: {Constructional details, e.g. physical layout, assembly, wiring or busbar connections} - H02M 3/1584: {with a plurality of power processing stages connected in parallel} - H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES - 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) ## Abstract The present disclosure provides a power conversion module including a magnetic component and a power device layer. The magnetic component includes a main body layer, a first magnetic core, a second magnetic core and a conductor. The main body layer includes a first surface and a second surface opposite to each other. The first magnetic core is embedded in the main body layer and adjacent to the first surface. The second magnetic core is embedded in the main body layer and adjacent to the second surface. The first magnetic core and the second magnetic core are connected to form plural magnetic columns. The conductor is embedded between the first surface and the second surface. The conductor is partially disposed between the plural magnetic columns. The power device layer is disposed on the first surface. The power device layer includes a power device electrically connected to conductor. ## Claims ### Claim 1 A power conversion module comprising: a magnetic component comprising: a main body layer comprising a first side and a second side, wherein the first side and the second side are two opposite sides; a first magnetic core embedded in the main body layer and disposed adjacent to the first side; a second magnetic core embedded in the main body layer and disposed adjacent to the second side, wherein the first magnetic core and the second magnetic core are disposed correspondingly and connected to each other to form a magnetic core set, which has a plurality of magnetic columns; and a conductor embedded between the first side and the second side, and comprising at least one winding, wherein at least one part of the at least one winding is disposed between the plurality of magnetic columns; and a power device layer disposed on the first side of the main body layer and comprising at least one power device, wherein the power device is electrically connected to the conductor, wherein the conductor comprises a first connection portion and a second connection portion, the first connection portion and the second connection portion are embedded in two opposite walls of the main body layer, respectively, and the at least one winding is connected and stretched between the first connection portion and the second connection portion, wherein one end surface of the first connection portion is at least partially exposed to the first side, so as to form a power device connection surface, and one end surface of the second connection portion is at least partially exposed to the second surface, so as to form a positive output connection surface. ### Claim 2 (depends on 1) The power conversion module according to claim 1, wherein the power device layer comprises a first circuit board electrically connected to the at least one power device, wherein the first circuit board comprises a first surface and a second surface opposite to each other, wherein the at least one power device is disposed on the first surface or the second surface, or embedded between the first surface and the second surface. ### Claim 3 (depends on 2) The power conversion module according to claim 2, wherein the second surface of the first circuit board faces the main body layer, the at least one power device is disposed on the first surface of the first circuit board, and a top surface of the at least one power device is configured to form a coplanar plane of the power conversion module. ### Claim 4 (depends on 2) The power conversion module according to claim 2, further comprising an input capacitor layer, wherein the first circuit board comprises an accommodation recess, the accommodation recess is recessed inwardly from the second surface, and the input capacitor layer is at least partially accommodated in the accommodation recess. ### Claim 5 (depends on 1) The power conversion module according to claim 1, wherein the first magnetic core and the second magnetic core are U-shaped magnetic cores, and the magnetic core set comprises at least one window, wherein the at least one window spatially corresponds to the at least one power device, and the at least one winding passes through the at least one window. ### Claim 6 (depends on 1) The power conversion module according to claim 1, wherein the first magnetic core and the second magnetic core are E-shaped magnetic cores, the at least one power device comprises two power devices, and the magnetic core set comprises two windows, wherein the two windows spatially correspond to the two power devices, respectively, and the at least one winding passes through the two windows, respectively, wherein current directions of the at least one winding in the two windows are the same or opposite. ### Claim 7 (depends on 1) The power conversion module according to claim 1, wherein the first magnetic core and the second magnetic core are I-shaped magnetic cores, the at least one power device comprises N power devices, and the magnetic core set comprises N windows, wherein the N windows spatially correspond to the N power devices, respectively, and the at least one winding passes through the N windows, respectively, wherein N is an integer and not less than 2, and current directions of the at least one winding in the N windows are completely identical or alternately opposite. ### Claim 8 (depends on 1) The power conversion module according to claim 1, wherein the conductor is formed by at least one copper layer or at least one copper block, and is pre-embedded in the main body layer. ### Claim 9 (depends on 1) The power conversion module according to claim 1, wherein a bent structure is collaboratively formed by the at least one winding, the first connection portion and the second connection portion. ### Claim 10 (depends on 1) The power conversion module according to claim 1, further comprising a third connection portion and a fourth connection portion embedded between the first side and the second side of the main body layer, wherein two end surfaces of the third connection portion and two end surfaces of the fourth connection portion are at least partially exposed to the first side and the second side, respectively, so that positive input connection surfaces and negative input connection surfaces are formed on the first side and the second side, respectively. ### Claim 11 (depends on 10) The power conversion module according to claim 10, wherein the positive input connection surface and the negative input connection surface are served as external pins, which are electrically connected to a system board. ### Claim 12 (depends on 11) The power conversion module according to claim 11, further comprising a pin layer disposed on the second side of the main body layer, wherein the pin layer comprises a first surface and a second surface opposite to each other, and a positive input pin, a positive output pin and a negative input pin disposed on the second surface, wherein the positive input pin is electrically connected to the positive input connection surface on the second side, the positive output pin is electrically connected to the positive output connection surface on the second side, and the negative input pin is electrically connected to the negative input connection surface on the second side. ### Claim 13 (depends on 12) The power conversion module according to claim 12, wherein the pin layer further comprises a recess, the recess is recessed from the first surface to the second surface of the pin layer, wherein the power conversion module further comprises an output capacitor layer at least partially accommodated in the recess. ### Claim 14 (depends on 10) The power conversion module according to claim 10, further comprising a fifth connection portion embedded between the first side and the second side of the main body layer, and two end surfaces of the fifth connection surfaces of the fifth connection portion are exposed to the first side and the second side, respectively, so that signal control connection surfaces are formed on the first side and the second side, respectively. ### Claim 15 (depends on 1) The power conversion module according to claim 1, further comprising at least two positive input conductors separately arranged on both sides of a negative input conductor, and/or at least two negative input conductors separately arranged on both sides of a positive input conductor. ### Claim 16 (depends on 1) The power conversion module according to claim 1, wherein the magnetic component further comprises at least one sidewall electroplating element extended along the sidewall of the main body layer, so that the first side and the second side are electrically connected through the at least one sidewall electroplating element. ### Claim 17 (depends on 1) The power conversion module according to claim 1, wherein at least one half bridge arm is formed by the at least one power device. ### Claim 18 (depends on 1) The power conversion module according to claim 1, further comprising an input capacitor layer, wherein the input capacitor layer and the power device layer are located at the same layer, or the input capacitor layer is located between the power device layer and the magnetic component.