公开(公告)号：US20230231496A1

公开(公告)日：2023-07-20

申请号：US18155911

申请日：2023-01-18

Applicant: Robert Bosch GmbH

Inventor： Hadiuzzaman Syed ,  Nico Wuestemann ,  Cristino Salcines ,  Karl Oberdieck

IPC: H02M7/53846 ,  H02M7/48 ,  H02M1/00

CPC classification number: H02M7/538466 ,  H02M1/0041 ,  H02M7/4818

Abstract: An inverter. The inverter includes a first and second transistors, which are a high-side transistor and a low-side transistor of the inverter, and control electronics configured to trigger a first switching operation, in which the first transistor is switched on, wherein the second transistor is in a switched-off state, wherein a parasitic capacitance of the first transistor is discharged during the first switching operation, to trigger a second switching operation, in which the first transistor is switched off or switched on again, wherein the second transistor simultaneously remains in the switched-off state, wherein the parasitic capacitance of the first transistor is already discharged in the second switching operation, to record a time difference which describes a difference between a duration of the first switching operation and a duration of the second switching operation, and to determine a characteristic operating parameter of the first transistor based on the time difference.