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1.发明公开公开(公告)号：US20240347788A1
公开(公告)日：2024-10-17
申请号：US18298941
申请日：2023-04-11
Applicant: Infineon Technologies AG
Inventor： Markus Ekler , Christian Walther , Christian Heiling , Mario Fuchs
CPC classification number: H01M10/425 , H01M10/441 , H02J7/0019 , H02J7/00714 , H01M2010/4271
Abstract: In some examples, this disclosure describes a method of operating a plurality of battery management circuits of a battery management system associated with an electric device. The method may comprise adjusting a first trim value associated with a first battery management circuit during operation of the electric device, and adjusting a second trim value associated with a second battery management circuit during operation of the electric device. The method may also comprise sinking a first amount of current in the first battery management circuit based on the first trim value; and sinking a second amount of current in the second battery management circuit based on the second trim value, wherein sinking the first amount of current and sinking the second amount of current causes the first battery management circuit and the second battery management circuit to consume substantially similar amounts of current.
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公开(公告)号：US20240369423A1
公开(公告)日：2024-11-07
申请号：US18311758
申请日：2023-05-03
Applicant: Infineon Technologies AG
Inventor： Christian Heiling , Heinrich Trebo , Mario Fuchs
IPC: G01K7/16
Abstract: In some examples, this disclosure describes a method of measuring a temperature-dependent voltage drop over a temperature sensitive resistor. The method may comprise delivering a reference voltage to the temperature sensitive resistor in a first instance of time; determining an auto-ranging current through the temperature sensitive resistor while the reference voltage is delivered to the temperature sensitive resistor; determining a temperature measurement current based on the auto-ranging current; delivering the temperature measurement current to the temperature sensitive resistor in a second instance of time, wherein the second instance of time is after the first instance of time; and measuring the temperature-dependent voltage drop over the temperature sensitive resistor while the temperature measurement current is delivered to the temperature sensitive resistor.
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公开(公告)号：US11848430B2
公开(公告)日：2023-12-19
申请号：US17148470
申请日：2021-01-13
Applicant: Infineon Technologies AG
Inventor： Clemens Kain , Mario Fuchs
CPC classification number: H01M10/482 , H01M10/425 , H01M2010/4271
Abstract: A battery management circuit may be configured to monitor a plurality of battery cells. The battery management circuit may comprise a battery monitoring circuit, and a supply circuit configured to supply the battery monitoring circuit based on the plurality of battery cells. The supply circuit may comprise a DC/DC power converter and a regulator, and wherein the DC/DC power converter is configurable based on a number of monitored battery cells in the plurality of battery cells.
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公开(公告)号：US20220223929A1
公开(公告)日：2022-07-14
申请号：US17148470
申请日：2021-01-13
Applicant: Infineon Technologies AG
Inventor： Clemens Kain , Mario Fuchs
Abstract: A battery management circuit may be configured to monitor a plurality of battery cells. The battery management circuit may comprise a battery monitoring circuit, and a supply circuit configured to supply the battery monitoring circuit based on the plurality of battery cells. The supply circuit may comprise a DC/DC power converter and a regulator, and wherein the DC/DC power converter is configurable based on a number of monitored battery cells in the plurality of battery cells.
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