公开(公告)号：US20210151806A1

公开(公告)日：2021-05-20

申请号：US17156010

申请日：2021-01-22

Applicant: Infineon Technologies AG

Inventor： Stefano Marsili ,  Andreas Berger ,  Klaus Hoermaier ,  Guenter Hofer ,  Christoph Sandner

IPC: H01M10/42 ,  H01M10/48 ,  G01R31/389 ,  G01R31/396 ,  G01R31/382

Abstract: In accordance with an embodiment, a method includes receiving, by at least one of a plurality of battery monitoring circuits a frequency synchronization signal and measurement frequency information from a host controller, wherein the at least one of the plurality of battery monitoring circuits is connected to at least one of a plurality of battery blocks; generating, by the at least one of the plurality of battery monitoring circuits, a periodic signal based on a clock signal having a clock frequency, the measurement frequency information, and the frequency synchronization signal; obtaining, by the at least one of the plurality of battery monitoring circuits, at least one measurement value of the at least one of the plurality of battery blocks using the periodic signal; and transmitting, by the at least one of the plurality of battery monitoring circuits, the at least one measurement value to the host controller.

公开(公告)号：US20180217209A1

公开(公告)日：2018-08-02

申请号：US15419687

申请日：2017-01-30

Applicant: Infineon Technologies AG

Inventor： Stefano Marsili ,  Christoph Sandner ,  Johannes Thielmann

IPC: G01R31/36 ,  G01K7/16 ,  H01M10/48 ,  H01M10/0525

CPC classification number: G01R31/389 ,  G01K7/16 ,  G01K7/42 ,  G01K2217/00 ,  G01R31/3648 ,  G01R31/382 ,  H01M10/0525 ,  H01M10/486 ,  H01M2220/20

Abstract: A method and a temperature detection circuit are disclosed. An example of the method includes driving an alternating current with a first frequency into a battery and detecting an imaginary part of a battery impedance at the first frequency; driving an alternating current with a second frequency different from the first frequency into the battery and detecting an imaginary part of the battery impedance at the second frequency; and calculating an intercept frequency at which the imaginary part equals a predefined value at least based on the imaginary part obtained at the first frequency and the imaginary part obtained at the second frequency.

公开(公告)号：US10481214B2

公开(公告)日：2019-11-19

申请号：US15419687

申请日：2017-01-30

Applicant: Infineon Technologies AG

Inventor： Stefano Marsili ,  Christoph Sandner ,  Johannes Thielmann

IPC: G01R31/389 ,  H01M10/0525 ,  G01R31/36 ,  H01M10/48 ,  G01R31/382 ,  G01K7/16 ,  G01K7/42

Abstract: A method and a temperature detection circuit are disclosed. An example of the method includes driving an alternating current with a first frequency into a battery and detecting an imaginary part of a battery impedance at the first frequency; driving an alternating current with a second frequency different from the first frequency into the battery and detecting an imaginary part of the battery impedance at the second frequency; and calculating an intercept frequency at which the imaginary part equals a predefined value at least based on the imaginary part obtained at the first frequency and the imaginary part obtained at the second frequency.

公开(公告)号：US11552338B2

公开(公告)日：2023-01-10

申请号：US17156010

申请日：2021-01-22

Applicant: Infineon Technologies AG

Inventor： Stefano Marsili ,  Andreas Berger ,  Klaus Hoermaier ,  Guenter Hofer ,  Christoph Sandner

IPC: H01M10/42 ,  H01M10/48 ,  G01R31/389 ,  G01R31/396 ,  G01R31/382

Abstract: In accordance with an embodiment, a method includes receiving, by at least one of a plurality of battery monitoring circuits a frequency synchronization signal and measurement frequency information from a host controller, wherein the at least one of the plurality of battery monitoring circuits is connected to at least one of a plurality of battery blocks; generating, by the at least one of the plurality of battery monitoring circuits, a periodic signal based on a clock signal having a clock frequency, the measurement frequency information, and the frequency synchronization signal; obtaining, by the at least one of the plurality of battery monitoring circuits, at least one measurement value of the at least one of the plurality of battery blocks using the periodic signal; and transmitting, by the at least one of the plurality of battery monitoring circuits, the at least one measurement value to the host controller.

公开(公告)号：US10944133B2

公开(公告)日：2021-03-09

申请号：US16245700

申请日：2019-01-11

Applicant: Infineon Technologies AG

Inventor： Stefano Marsili ,  Andreas Berger ,  Klaus Hoermaier ,  Guenter Hofer ,  Christoph Sandner

IPC: H01M10/42 ,  H01M10/48 ,  G01R31/389 ,  G01R31/396 ,  G01R31/382

Abstract: In accordance with an embodiment, a method includes receiving, by at least one of a plurality of battery monitoring circuits a frequency synchronization signal and measurement frequency information from a host controller, wherein the at least one of the plurality of battery monitoring circuits is connected to at least one of a plurality of battery blocks; generating, by the at least one of the plurality of battery monitoring circuits, a periodic signal based on a clock signal having a clock frequency, the measurement frequency information, and the frequency synchronization signal; obtaining, by the at least one of the plurality of battery monitoring circuits, at least one measurement value of the at least one of the plurality of battery blocks using the periodic signal; and transmitting, by the at least one of the plurality of battery monitoring circuits, the at least one measurement value to the host controller.

公开(公告)号：US20190221893A1

公开(公告)日：2019-07-18

申请号：US16245700

申请日：2019-01-11

Applicant: Infineon Technologies AG

Inventor： Stefano Marsili ,  Andreas Berger ,  Klaus Hoermaier ,  Guenter Hofer ,  Christoph Sandner

IPC: H01M10/42 ,  G01R31/382 ,  G01R31/389 ,  G01R31/396 ,  H01M10/48

CPC classification number: H01M10/425 ,  G01R31/382 ,  G01R31/389 ,  G01R31/396 ,  H01M10/482 ,  H01M2010/4271 ,  H01M2010/4278

Abstract: In accordance with an embodiment, a method includes receiving, by at least one of a plurality of battery monitoring circuits a frequency synchronization signal and measurement frequency information from a host controller, wherein the at least one of the plurality of battery monitoring circuits is connected to at least one of a plurality of battery blocks; generating, by the at least one of the plurality of battery monitoring circuits, a periodic signal based on a clock signal having a clock frequency, the measurement frequency information, and the frequency synchronization signal; obtaining, by the at least one of the plurality of battery monitoring circuits, at least one measurement value of the at least one of the plurality of battery blocks using the periodic signal; and transmitting, by the at least one of the plurality of battery monitoring circuits, the at least one measurement value to the host controller.

公开(公告)号：US09755423B2

公开(公告)日：2017-09-05

申请号：US14208502

申请日：2014-03-13

Applicant: Infineon Technologies AG

Inventor： Christoph Sandner ,  Matteo Agostinelli

IPC: H02H7/125 ,  H02M7/219

CPC classification number: H02H7/1252 ,  H02M7/219

Abstract: A circuit is described that includes a rectifier configured to rectify a DC output from an AC input, a sensing unit configured to detect a voltage level of the DC output, and a control unit configured to control the rectifier based on the voltage level of the DC output. The control unit is configured to control the rectifier output by at least controlling the rectifier to rectify the DC output from the AC input if the voltage level of the DC output does not indicate an overvoltage condition at the circuit. In addition, the control unit is configured to control the rectifier based on the voltage level of the DC output by at least controlling the rectifier to shunt current from the AC input if the voltage level of the DC output does indicate the overvoltage condition.

公开(公告)号：US20150263511A1

公开(公告)日：2015-09-17

申请号：US14208502

申请日：2014-03-13

Applicant: Infineon Technologies AG

Inventor： Christoph Sandner ,  Matteo Agostinelli

IPC: H02H7/125 ,  H02M7/219

CPC classification number: H02H7/1252 ,  H02M7/219

Abstract: A circuit is described that includes a rectifier configured to rectify a DC output from an AC input, a sensing unit configured to detect a voltage level of the DC output, and a control unit configured to control the rectifier based on the voltage level of the DC output. The control unit is configured to control the rectifier output by at least controlling the rectifier to rectify the DC output from the AC input if the voltage level of the DC output does not indicate an overvoltage condition at the circuit. In addition, the control unit is configured to control the rectifier based on the voltage level of the DC output by at least controlling the rectifier to shunt current from the AC input if the voltage level of the DC output does indicate the overvoltage condition.

Abstract translation: 描述了一种电路，其包括：整流器，其被配置为对来自AC输入的DC输出进行整流;感测单元，被配置为检测DC输出的电压电平;以及控制单元，被配置为基于DC的电压电平来控制整流器 输出。 控制单元被配置为通过至少控制整流器来控制整流器输出，以便如果直流输出的电压电平不指示电路处的过电压状态，则整流器从整流器输入AC直流输出。 此外，控制单元被配置为如果直流输出的电压电平确实表示过电压状态，则通过至少控制整流器来分流来自AC输入端的电流，基于DC输出的电压电平来控制整流器。