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EP 4 562 750 A1

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(43) Date of publication: 04.06.2025 Bulletin 2025/23 (21) Application number: 22762033.3 (22) Date of filing: 05.08.2022

(51) International Patent Classification (IPC):  H02M 7/483(2007.01) H02M 1/44(2007.01) H02M 1/00(2006.01) (52) Cooperative Patent Classification (CPC): H02M 7/483; H02M 7/4837; H02M 1/0095; H02M 1/44 (86) International application number: PCT/EP2022/072149 (87) International publication number: WO 2024/027935 (08.02.2024 Gazette 2024/06)

(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: TCAI, Anatolii 80992 Munich (DE) WIJEKOON, Piniwan Thiwanka Bandara 80992 Munich (DE) (74) Representative: Isarpatent  Patent- und Rechtsanwälte Barth Hassa Peckmann & Partner mbB Friedrichstraße 31 80801 München 80801 München (DE)