Patents Assigned to Danfoss Silicon Power GmbH
-
Patent number: 12261543Abstract: A power module (2) including a molded package (4), three power terminals (6, 8, 10) protruding from a first side (40) of the molded package (4) is disclosed. The power terminals (6, 8, 10) include a positive DC terminal (6), a neutral terminal (8) and a negative terminal (10). The power module (2) includes a phase output power terminal (12) protruding from a second side (42) of the molded package (4). The power module (2) is a three-level power module including a plurality of control pins (14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36) protruding from the second side (42) of the molded package (4).Type: GrantFiled: May 11, 2020Date of Patent: March 25, 2025Assignee: DANFOSS SILICON POWER GMBHInventors: Michael Tønnes, Ole Mühlfeld, Tim Rettmann
-
Patent number: 12136585Abstract: The invention relates to a power electronics module including a first circuit carrier (5,10, 11), as well as an electronic assembly (20, 30) arranged in an electrically contacting manner on the upper flat side of the first circuit carrier (5, 10, 11), and a first cooling element (40) in thermal contact with the underside of the first circuit carrier (5, 10, 11), wherein the module has at least one second assembly (20, 30) arranged on the upper side of a second circuit carrier (5, 10, 11) and a second cooling element (40) arranged on the underside of the second circuit carrier (5, 10, 11), wherein the first and the second circuit carriers (5, 10, 11) are arranged with their upper sides facing one another and at least one central heat sink (60, 61, 63, 64) that is electrically insulated from the assemblies (20, 30) is arranged in the space between the assemblies (20, 30), wherein the assemblies (20, 30) and the at least one central heat sink (60, 61, 63, 64) are embedded in a heat-conducting potting compound (5Type: GrantFiled: April 30, 2020Date of Patent: November 5, 2024Assignee: DANFOSS SILICON POWER GMBHInventors: Stefan Behrendt, Ronald Eisele
-
Patent number: 12133366Abstract: The invention relates to a power electronics module including a flat circuit carrier (5) and an electronic assembly (10) arranged in an electrically contacting manner on the upper flat side of the circuit carrier (5) and cooling bodies (20) thermally in contact with the underside of the circuit carrier (5), wherein a heat-conducting bridge (30) arranged on the upper side of the circuit carrier (5), spanning the assembly (10) and extensively covering same, wherein the heat-conducting bridge (30) is in thermal contact with the cooling body (20) at mounting points arranged next to the assembly (10) and the space between the heat-conducting bridge (30) and the circuit carrier (5) is filled with a heat-conducting potting compound (50).Type: GrantFiled: April 30, 2020Date of Patent: October 29, 2024Assignee: DANFOSS SILICON POWER GMBHInventors: Stefan Behrendt, Ronald Eisele
-
Patent number: 12125817Abstract: Semiconductor module having a first substrate, a second substrate and a spacer distancing the substrates from each other, wherein the spacer is formed by at least one elastic shaped metal body.Type: GrantFiled: May 6, 2020Date of Patent: October 22, 2024Assignee: DANFOSS SILICON POWER GMBHInventors: Martin Becker, André Bastos Abibe, Ronald Eisele, Jacek Rudzki, Frank Osterwald, David Benning
-
Patent number: 12087699Abstract: A power module (1) providing a half bridge, the power module including: at least one substrate (2) including an inner load track (3), two intermediate load tracks (4) and two outer load tracks (5), each of which load tracks is elongated and extends substantially across the at least one substrate (2) in a first direction (6); wherein the two intermediate load tracks (4) are arranged adjacent to the inner load track (3), and each outer load track (5) is arranged on the opposite side of one of the two intermediate load tracks (4) with respect to a second direction (7) substantially orthogonal to the first direction (6).Type: GrantFiled: April 22, 2020Date of Patent: September 10, 2024Assignee: DANFOSS SILICON POWER GMBHInventors: Alvaro Jorge Mari Curbelo, Tobias Schütz, Robert Rösner
-
Patent number: 12046584Abstract: A half bridge power module (1) comprising a substrate (2) comprising an inner load track (11), two intermediate load tracks (12, 14) and two outer load tracks (10,13), wherein an external terminal is mounted on one of the intermediate load tracks (12, 14), an external terminal (3, 4) is mounted on one of the outer load tracks (10, 13) and an external terminal (5) is mounted on the inner load track (11); wherein semiconductor switches (101, 12, 105, 106) are mounted on the outer load tracks (10, 13) and are electrically connected to the intermediate load track (12); and semiconductor switches (103, 104, 107, 108) are mounted on the intermediate load tracks (12, 14) and are electrically connected to the inner load track (11).Type: GrantFiled: July 10, 2022Date of Patent: July 23, 2024Assignee: DANFOSS SILICON POWER GMBHInventors: Alvaro Jorge Mari Curbelo, Tobias Schuetz, Robert Roesner
-
Patent number: 12046576Abstract: A method for manufacturing an electronic component by a pressure-assisted low-temperature sintering process, by using a pressure sintering device having an upper die and a lower die is disclosed. The upper the die and/or the lower die is provided with a first pressure pad, wherein the method includes the following steps: placing a first sinterable component on a first sintering layer provided on a top layer of a first substrate; joining the sinterable component and the top layer of the first substrate to form a first electronic component by pressing the upper die and the lower die towards each other, wherein the sintering device is simultaneously heated.Type: GrantFiled: February 27, 2020Date of Patent: July 23, 2024Assignee: DANFOSS SILICON POWER GMBHInventors: Martin Becker, Dirk Dittmann
-
Patent number: 11894302Abstract: A conducting busbar (2, 4) suitable for use in a semiconductor power module (8) is provided. The busbar (2, 4) comprises a main plate (210, 410), one or more legs (220, 420) extending from the main plate (210, 410), and one or more feet (230, 430) formed at the free end of the legs (220, 420). According to the invention, the intersection line (L) between at least one of the legs (220, 420) and the associated foot (230, 430) forms an offset angle (?) with respect to the longitudinal direction (X) of the main plate (210, 410).Type: GrantFiled: March 18, 2019Date of Patent: February 6, 2024Assignee: Danfoss Silicon Power GmbHInventor: Michael Tønnes
-
Patent number: 11776932Abstract: Process for producing an electronic subassembly by low-temperature pressure sintering, comprising the following steps: arranging an electronic component on a circuit carrier having a conductor track, connecting the electronic component to the circuit carrier by the low-temperature pressure sintering of a joining material which connects the electronic component to the circuit carrier, characterized in that, to avoid the oxidation of the electronic component or of the conductor track, the low-temperature pressure sintering is carried out in a low-oxygen atmosphere having a relative oxygen content of 0.005 to 0.3%.Type: GrantFiled: September 21, 2015Date of Patent: October 3, 2023Assignee: Danfoss Silicon Power GmbHInventors: Ronald Eisele, Holger Ulrich
-
Patent number: 11626383Abstract: Process for producing an electronic subassembly by low-temperature pressure sintering, comprising the following steps: arranging an electronic component on a circuit carrier having a conductor track, connecting the electronic component to the circuit carrier by the low-temperature pressure sintering of a joining material which connects the electronic component to the circuit carrier, characterized in that, to avoid the oxidation of the electronic component or of the conductor track, the low-temperature pressure sintering is carried out in a low-oxygen atmosphere having a relative oxygen content of 0.005 to 0.3%.Type: GrantFiled: December 18, 2020Date of Patent: April 11, 2023Assignee: Danfoss Silicon Power GmbHInventors: Ronald Eisele, Holger Ulrich
-
Patent number: 11616353Abstract: The present disclosure provides a busbar (100), comprising: an insulating body (110); and a busbar conductor (120, 130, 140) comprising a conductor body partially encapsulated by the insulating body and a connection terminal (121, 131, 141) extending from the conductor body and configured for connecting an electrical device, and a portion of the connection terminal is surrounded by an insulating structure (10). The present disclosure further provides a power module (200) comprising the busbar and a method of manufacturing a busbar.Type: GrantFiled: September 25, 2018Date of Patent: March 28, 2023Assignee: Danfoss Silicon Power GmbHInventor: Lars Hass
-
Patent number: 11532600Abstract: A half bridge power module (1) comprising a substrate (2) comprising an inner load track (11), two intermediate load tracks (12, 14) and two outer load tracks (10,13), wherein an external terminal is mounted on one of the intermediate load tracks (12, 14), an external terminal (3, 4) is mounted on one of the outer load tracks (10, 13) and an external terminal (5) is mounted on the inner load track (11); wherein semiconductor switches (101, 12, 105, 106) are mounted on the outer load tracks (10, 13) and are electrically connected to the intermediate load track (12); and semiconductor switches (103, 104, 107, 108) are mounted on the intermediate load tracks (12, 14) and are electrically connected to the inner load track (11).Type: GrantFiled: May 14, 2020Date of Patent: December 20, 2022Assignee: Danfoss Silicon Power GmbHInventors: Alvaro Jorge Mari Curbelo, Tobias Schuetz, Robert Roesner
-
Patent number: 11400514Abstract: Sintering tool (10) with a cradle for receiving an electronic subassembly (BG) to be sintered, characterized by at least one support bracket (20), arranged at two locations opposite the cradle, for fixing a protective film (30) covering the electronic subassembly (BG).Type: GrantFiled: October 1, 2020Date of Patent: August 2, 2022Assignee: Danfoss Silicon Power GmbHInventors: Frank Osterwald, Martin Becker, Lars Paulsen, Jacek Rudzki, Holger Ulrich, Ronald Eisele
-
Patent number: 11134587Abstract: An electric device, comprising: a power module having a circuit carrier on which a circuit component is disposed; a cooling structure; and an intermediate structure disposed between the circuit carrier and the cooling structure, wherein the cooling structure is made of a first metal material, and the intermediate structure is made of a second metal material having a higher thermal conductivity than that of the first metal material.Type: GrantFiled: September 25, 2018Date of Patent: September 28, 2021Assignee: Danfoss Silicon Power GmbHInventors: Klaus Olesen, Lars Paulsen
-
Patent number: 10999955Abstract: The invention relates to an electronic power system (1) comprising at least one electronic power module (2). The electronic power module (2) comprises a base plate (3) and at least one heat generating component arranged on a first side of the base plate (3). The electronic power module (2) comprises a cooling structure (4) transporting heat away from the electronic power module (2) via a coolant that is guided by the cooling structure (4). The cooling structure (4) is arranged on a second side (5) of the base plate (3) opposite to the first side. Task of the invention is to provide an electronic power system (1) with an improved cooling. According to the present invention this task is solved in that the cooling structure (4) is integrally formed with the base plate (3).Type: GrantFiled: December 22, 2017Date of Patent: May 4, 2021Assignee: Danfoss Silicon Power GMBHInventors: Georg Wecker, Ole Mühlfeld, Lars Paulsen, Henning Ströbel-Maier, Holger Beer, Christopher Klaehr, Klaus Olesen
-
Patent number: 10910296Abstract: A lead frame is provided, including one or more power terminals and one or more control terminals, wherein at least one of the control terminals is externally terminated with a press-fit contact member, and wherein at least one of the control terminals and at least one power terminals are formed from different materials. With the disclosed lead frame of the invention, lower material cross sections in the power terminals will be provided because of the better electrical conductivity when using pure copper compared to alloys with higher mechanical strengths. Also specific/different plating could be added to the individual needs of the different pin types without using masks in the plating process.Type: GrantFiled: August 12, 2020Date of Patent: February 2, 2021Assignee: Danfoss Silicon Power GmbHInventors: Holger Beer, Lars Paulsen
-
Patent number: 10832995Abstract: A power module (10) having a leadframe (20), a power semiconductor (30) arranged on the leadframe (20), a base plate (40) for dispersing heat generated by the power semiconductor (30) and a potting compound (50) surrounding the leadframe (20) and the power semiconductor (30), that physically connects the power semiconductor (30) and/or the leadframe (20) to the base plate(40).Type: GrantFiled: July 17, 2019Date of Patent: November 10, 2020Assignee: Danfoss Silicon Power GmbHInventors: Ronald Eisele, Frank Osterwald
-
Patent number: 10818633Abstract: Tool (10) for the lower die of a sintering device, the tool (10) having a rest (20) for an electronic subassembly (30) comprising a circuit carrier, to be sintered, where the rest (20) is formed from a material with a coefficient of linear expansion that is close to the coefficient of expansion of the circuit carrier of the electronic subassembly (30).Type: GrantFiled: September 9, 2015Date of Patent: October 27, 2020Assignee: Danfoss Silicon Power GmbHInventors: Frank Osterwald, Ronald Eisele, Martin Becker, Jacek Rudzki, Lars Paulsen, Holger Ulrich
-
Patent number: 10814396Abstract: Sintering tool (10) with a cradle for receiving an electronic subassembly (BG) to be sintered, characterized by at least one support bracket (20), arranged at two locations opposite the cradle, for fixing a protective film (30) covering the electronic subassembly (BG).Type: GrantFiled: September 9, 2015Date of Patent: October 27, 2020Assignee: Danfoss Silicon Power GmbHInventors: Frank Osterwald, Martin Becker, Lars Paulsen, Jacek Rudzki, Holger Ulrich, Ronald Eisele
-
Patent number: 10796985Abstract: A lead frame is provided, including one or more power terminals and one or more control terminals, wherein at least one of the control terminals is externally terminated with a press-fit contact member, and wherein at least one of the control terminals and at least one power terminals are formed from different materials. With the disclosed lead frame of the invention, lower material cross sections in the power terminals will be provided because of the better electrical conductivity when using pure copper compared to alloys with higher mechanical strengths. Also specific/different plating could be added to the individual needs of the different pin types without using masks in the plating process.Type: GrantFiled: June 21, 2017Date of Patent: October 6, 2020Assignee: Danfoss Silicon Power GmbHInventors: Holger Beer, Lars Paulsen