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EP 4 483 483 A1

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(43) Date of publication: 01.01.2025 Bulletin 2025/01 (21) Application number: 22721345.1 (22) Date of filing: 07.04.2022

(51) International Patent Classification (IPC):  H02M 1/42(2007.01) H02M 1/00(2006.01) H02M 7/162(2006.01) H02M 3/00(2006.01) H02M 3/335(2006.01) (52) Cooperative Patent Classification (CPC): H02M 1/4233; H02M 1/4225; H02M 3/01; H02M 1/0035; H02M 3/33571; H02M 1/4258; H02M 7/2195; H02M 1/0058; H02M 1/0019; H02M 1/0025; H02M 1/0048; H02M 1/0095; H02M 7/1626 (86) International application number: PCT/EP2022/059274 (87) International publication number: WO 2023/193914 (12.10.2023 Gazette 2023/41)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Huawei Digital Power Technologies Co., Ltd. Shenzhen, Guangdong 518043 (CN)	(72) Inventors: TORRICO-BASCOPÉ, Grover Victor 16440 Kista (SE) OU, Shuyu 16440 Kista (SE) ELEYELE, Abidemi Oluremilekun 16440 Kista (SE) (74) Representative: Gill Jennings & Every LLP  The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)