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    Device and Method for Monitoring a Reliability of a Cell Impedance Measurement of a Battery Cell
    21.
    发明申请
    Device and Method for Monitoring a Reliability of a Cell Impedance Measurement of a Battery Cell 审中-公开

    公开(公告)号：US20200256924A1

    公开(公告)日：2020-08-13

    申请号：US16780345

    申请日：2020-02-03

    Applicant: Infineon Technologies AG

    Inventor： Klaus Hoermaier ,  Guenter Hofer ,  Stefano Marsili

    IPC: G01R31/396 ,  G01R31/389 ,  G01R31/3835

    Abstract: Various examples relate to techniques of monitoring a reliability of a cell-impedance measurement of a battery cell. In one example, a device includes a first interface configured to inject an AC excitation current into a battery cell and a shunt resistor coupled in parallel to the battery cell. The device also includes a second interface configured to inject an AC test current into the shunt resistor. The device also includes analog-to-digital converters configured to measure a cell voltage across the battery cell associated with the AC excitation current, a shunt voltage across the shunt resistor associated with the AC excitation current and the shunt voltage across the shunt resistor associated with the AC test current.

    Digital controller for switched capacitor DC-DC converter
    22.
    发明授权
    Digital controller for switched capacitor DC-DC converter 有权

    公开(公告)号：US10305377B2

    公开(公告)日：2019-05-28

    申请号：US15710502

    申请日：2017-09-20

    Applicant: Infineon Technologies AG

    Inventor： Kyrylo Cherniak ,  Werner Hoellinger ,  Gerhard Maderbacher ,  Stefano Marsili ,  Volha Subotskaya

    IPC: H02M3/07 ,  H02M1/14 ,  H02M1/00

    Abstract: Representative implementations of devices and techniques may minimize switching losses and voltage ripple in a switched capacitor de-de converter. A digital controller is used to control switching, based on an existing load. In some examples, the digital controller may insert a dead-time phase in a switching period, which may reduce voltage ripple for a low output load current. In other examples, the digital controller may adjust the conductance of a plurality of sub-switches, where the plurality of sub-switches may include one or more sub-switches that have a higher on-resistance than other sub-switches. For example, a sub-switch may have an on-resistance that is a multiple of the on-resistance of other sub-switches.

    BATTERY IMPEDANCE DETECTION
    23.
    发明申请
    BATTERY IMPEDANCE DETECTION 审中-公开

    公开(公告)号：US20190115762A1

    公开(公告)日：2019-04-18

    申请号：US15782340

    申请日：2017-10-12

    Applicant: Infineon Technologies AG

    Inventor： Stefano Marsili ,  Michael Kropfitsch

    IPC: H02J7/00 ,  G01R31/36 ,  H01M10/48 ,  H01M10/42

    Abstract: A method is disclosed, which includes driving an alternating input current into a battery, measuring a voltage across the battery by a first measurement circuit to obtain a voltage measurement value, measuring a current through the battery by a second measurement circuit to obtain a current measurement value, and measuring a current through the battery using the first measurement circuit to obtain a further current measurement value. Further, the method includes calculating an impedance of the battery based on the current measurement value, the further current measurement value, and the voltage measurement value.

    POLAR TRANSMITTER SUITABLE FOR MONOLITHIC INTEGRATION IN SoCs
    26.
    发明申请
    POLAR TRANSMITTER SUITABLE FOR MONOLITHIC INTEGRATION IN SoCs 有权
    极地发射器适用于SoC中的单片集成

    公开(公告)号：US20140119476A1

    公开(公告)日：2014-05-01

    申请号：US14146982

    申请日：2014-01-03

    Applicant: Infineon Technologies AG

    Inventor： Stefano Marsili ,  Giuseppe Li Puma ,  Stefan Van Waasen ,  Yanzhong Dai ,  Edwin Thaller

    IPC: H04L27/36

    CPC classification number: H04L27/361 ,  H04B1/0475 ,  H04B1/0483

    Abstract: The disclosed polar modulation transmitter circuit is configured to generate an output signal having a transmission frequency that minimizes crosstalk effects between different transmission bands (e.g., Bluetooth, GSM, UMTS, etc.). In particular, a polar modulation transceiver circuit, having an amplitude modulated (AM) signal and a phase modulated (PM) signal, comprises a digitally controlled oscillator (DCO) configured to generate a DCO signal having a DCO frequency. The DCO signal is provided to one or more frequency dividers that are configured to selectively divide the DCO signal to generate various lower frequency signals, used to select a sampling rate for a DAC operating on the AM signal and an RF carrier signal frequency, which result in an output signal having a frequency that does not interfere with other RF systems on the same IC (e.g., that falls outside of the downlink frequency of other RF systems). Other systems and methods are also disclosed.

    Abstract translation: 所公开的极性调制发射机电路被配置为产生具有最小化不同传输频带（例如，蓝牙，GSM，UMTS等）之间的串扰效应的传输频率的输出信号。 特别地，具有幅度调制（AM）信号和相位调制（PM）信号的极性调制收发器电路包括被配置为产生具有DCO频率的DCO信号的数字控制振荡器（DCO）。 DCO信号被提供给一个或多个分频器，其被配置为选择性地划分DCO信号以产生各种较低频率信号，用于选择在AM信号上操作的DAC的采样率和RF载波信号频率，其结果 在具有不干扰同一IC上的其它RF系统的频率的输出信号（例如，其落在其他RF系统的下行链路频率之外）。 还公开了其它系统和方法。

    Method of monitoring a battery, monitoring system and monitoring circuit
    27.
    发明授权
    Method of monitoring a battery, monitoring system and monitoring circuit 有权

    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.

    Method of monitoring a battery, monitoring system and monitoring circuit
    30.
    发明授权
    Method of monitoring a battery, monitoring system and monitoring circuit 有权

    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.

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