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    CONTROLLER AND METHOD FOR DETECTING BATTERY CELL VOLTAGE
    1.
    发明公开
    CONTROLLER AND METHOD FOR DETECTING BATTERY CELL VOLTAGE 审中-公开

    公开(公告)号：EP3985406A1

    公开(公告)日：2022-04-20

    申请号：EP21188427.5

    申请日：2021-07-29

    申请人： O2Micro, Inc.

    发明人： Li, Guoxing ,  Li, Yan ,  Liu, Hui

    IPC分类号： G01R31/396

    摘要： A controller for detecting voltages of battery cells in a battery pack includes converters coupled to the battery cells and switching units. An anode of each battery cell is coupled to a respective converter through a respective first path, and a cathode of each battery cell is coupled to the respective converter through a respective second path. The switching units are coupled between the battery cells and the converters. The converters are coupled to anodes of the battery cells through the switching units. When a switching unit corresponding to a battery cell is turned on, an anode of the battery cell provides an operating current and a sampling current through a respective first path to a respective converter, and the operating current flows from the anode of the battery cell through the respective converter to ground.

    BATTERY MANAGEMENT CONTROLLERS CAPABLE OF ESTIMATING STATE OF CHARGE
    2.
    发明公开
    BATTERY MANAGEMENT CONTROLLERS CAPABLE OF ESTIMATING STATE OF CHARGE 审中-公开

    公开(公告)号：EP3889626A1

    公开(公告)日：2021-10-06

    申请号：EP21156794.6

    申请日：2021-02-12

    申请人： O2Micro, Inc.

    发明人： Chou, Chih-Chung ,  Li, Guoxing ,  Wang, Hua-Yi ,  Hsieh, Fu-Jen ,  Chen, Lian

    IPC分类号： G01R31/3842 ,  G01R31/367 ,  G01R31/392

    摘要： In a battery management controller, analog-to-digital conversion circuitry converts analog signals, indicative of a battery voltage, a battery current, and a battery temperature, to digital signals. A memory stores a remaining-capacity lookup table that includes multiple groups of data. Each group of data includes a voltage, a current, a temperature, and a parameter associated with a remaining capacity corresponding to the voltage, the current and the temperature. A processor searches the lookup table for a current parameter value and an end-of-discharge parameter value based on the digital signals, and estimates a full available charge capacity of the battery based on the current parameter value and the end-of-discharge parameter value. The processor also counts the amount of charges flowing through the battery based on a battery current. The processor further estimates an available state of charge of the battery according to the full available charge capacity and the amount of charges.

    System and method for controlling a battery
    3.
    发明公开
    System and method for controlling a battery 审中-公开
    系统和Verfahren zur Steuerung einer Batterie

    公开(公告)号：EP2837943A1

    公开(公告)日：2015-02-18

    申请号：EP13180695.2

    申请日：2013-08-16

    申请人： O2Micro, Inc.

    发明人： Wang, James ,  Zhang, Weihua ,  Zou, Jinghua ,  Peng, Xinsheng

    IPC分类号： G01R31/36 ,  H02J7/02

    CPC分类号： H02J7/0052 ,  H02J7/0021 ,  H02J7/025 ,  H02J7/045 ,  H02J7/047 ,  H02J50/10 ,  H02J50/80

    摘要： System and method for controlling a battery are disclosed. The system includes a battery pack, a wireless charger, a detecting module, a measuring device and a controller. The wireless charger is configured for charging the battery pack and calculating a first charging capacity of the battery pack. The detecting module coupled to the wireless charger, is configured for detecting information associated with the charging. The measuring device is configured for calculating a second charging capacity of the battery pack. The controller is coupled to the wireless charger, the detecting module and the measuring device. The controller is configured for determining whether there is a difference between the first charging capacity and the second charging capacity. The controller is also configured for calculating a third charging capacity of the battery pack based on the information associated with the charging and the difference. The controller is also configured for adjusting the second charging capacity based on the third charging capacity.

    摘要翻译： 公开了一种用于控制电池的系统和方法。 该系统包括电池组，无线充电器，检测模块，测量装置和控制器。 无线充电器被配置为对电池组充电并计算电池组的第一充电容量。 耦合到无线充电器的检测模块被配置为检测与充电相关联的信息。 测量装置被配置为计算电池组的第二充电容量。 控制器耦合到无线充电器，检测模块和测量装置。 控制器被配置为确定第一充电容量和第二充电容量之间是否存在差异。 控制器还被配置为基于与充电相关的信息和差异来计算电池组的第三充电容量。 控制器还被配置为基于第三充电容量来调整第二充电容量。

    Analog to digital converters
    6.
    发明公开
    Analog to digital converters 有权
    模拟/数字-Umsetzer

    公开(公告)号：EP2088677A1

    公开(公告)日：2009-08-12

    申请号：EP09151502.3

    申请日：2009-01-28

    申请人： O2Micro, Inc.

    发明人： Li, Guo Xing

    IPC分类号： H03M3/02

    CPC分类号： H03M3/474 ,  H03M3/43 ,  H03M3/456

    摘要： An analog to digital converter (ADC) converts an analog signal to a digital signal. The ADC includes an input channel, a sampling circuit coupled to the input channel, an integrator coupled to the sampling circuit, and a feedback circuit coupled to the integrator. The input channel receives the analog signal. The sampling circuit samples the analog signal. The integrator receives the sampled analog signal and a feedback signal and integrates a superposition of the sampled analog signal and the feedback signal. The feedback circuit generates the digital signal according to an output of the integrator and sends the feedback signal indicative of the digital signal to the integrator.

    摘要翻译： 模数转换器（ADC）将模拟信号转换为数字信号。 ADC包括输入通道，耦合到输入通道的采样电路，耦合到采样电路的积分器和耦合到积分器的反馈电路。 输入通道接收模拟信号。 采样电路对模拟信号进行采样。 积分器接收采样的模拟信号和反馈信号，并且对采样的模拟信号和反馈信号的叠加进行积分。 反馈电路根据积分器的输出产生数字信号，并将表示数字信号的反馈信号发送到积分器。

    HASH function implement with ROM and CSA
    7.
    发明公开
    HASH function implement with ROM and CSA 审中-公开
    HASH-Funktionsausführungmit ROM和CSA

    公开(公告)号：EP2006766A2

    公开(公告)日：2008-12-24

    申请号：EP07017163.2

    申请日：2007-09-01

    申请人： O2Micro, Inc.

    发明人： Wei, Franny ,  Qiu, Di

    IPC分类号： G06F7/72

    CPC分类号： G06F7/727 ,  G06F7/509 ,  G06F7/5324 ,  G06F7/5443

    摘要： A hash unit for obtaining a hash value from hashing a set of parameters and a protocol parameter. The hash unit has a plurality of memory units for receiving the set of parameters and outputting a plurality of multiplication results, a first plurality of addition logics for receiving the plurality of multiplication results for outputting an addition result, and a second plurality of addition logics to generate the hash value wherein the hash value being equal to the addition result modulo a modulus constant.

    摘要翻译： 用于从散列一组参数和协议参数获得哈希值的哈希单元。 散列单元具有多个存储单元，用于接收该组参数并输出多个相乘结果;第一多个加法逻辑，用于接收用于输出相加结果的多个相乘结果;以及第二多个加法逻辑， 生成散列值，其中散列值等于加法结果模数模数常数。

    LOW POWER DIGITAL AUDIO DECODING/PLAYING SYSTEM FOR COMPUTING DEVICES
    8.
    发明公开
    LOW POWER DIGITAL AUDIO DECODING/PLAYING SYSTEM FOR COMPUTING DEVICES 审中-公开
    数字音频解码 - / - 低功耗用于计算设备的播放系统

    公开(公告)号：EP1535193A4

    公开(公告)日：2008-01-09

    申请号：EP03772071

    申请日：2003-07-30

    申请人： O2MICRO INC

    发明人： LAM JAMES ,  DENNING BRUCE ,  DU STERLING

    IPC分类号： G06F20060101 ,  G06F1/00 ,  G06F1/24 ,  G06F1/32 ,  G06F3/16 ,  G06F9/00 ,  G06F9/24 ,  G06F9/44 ,  G06F9/445 ,  G06F17/00 ,  G11B20/10 ,  G11B31/00 ,  H04N7/16 ,  H04N7/167

    CPC分类号： G06F9/441 ,  G06F3/16

    摘要： A computer system includes a system CPU responsive to a control signal to load a first operating system or a second operating system. The first operating system is run by the computer system in a first operation mode and the second operating system is run by the computer system in a second entertainment mode. A PC operating in an entertainment mode may operate a variety of entertainment software applications. A quick boot process is also provided. The quick boot process may include an accelerated BIOS boot process that defers and delays appropriate tasks. The quick boot process may also include: detecting a condition; performing a BIOS boot process; loading an image file associated with the condition; and executing the image file associated with the condition. The condition may be that associated hardware is unchanged from a previous boot. A parental control system is also disclosed.

    SELECTOR CIRCUIT FOR POWER MANAGEMENT IN MULTIPLE BATTERY SYSTEMS
    9.
    发明公开
    SELECTOR CIRCUIT FOR POWER MANAGEMENT IN MULTIPLE BATTERY SYSTEMS 审中-公开
    SELEKTORSCHALTUNG ZUM ENERGIEMANAGEMENT IN MEHRBATTERIESYSTEMEN

    公开(公告)号：EP1642374A4

    公开(公告)日：2006-09-20

    申请号：EP04801781

    申请日：2004-04-02

    申请人： O2MICRO INC

    发明人： STANESTI VLAD POPESCU ,  NICULAE MARIAN ,  BUCUR CONSTANTIN

    IPC分类号： H02J7/00 ,  H02J7/34

    CPC分类号： H02J7/34 ,  H02J7/0018 ,  H02J7/0027 ,  H02J7/0057 ,  H02J7/0068 ,  H02J2007/0059 ,  H02J2007/0067 ,  H02M2001/0045

    摘要： A selector circuit configured to select among a DC power source and a plurality of batteries for an electronic device. The selector circuit is responsive to an output signal from an associated power management unit. The selector circuit is further configured to permit parallel operation of two or more of the batteries. The selector circuit may further act to independently verify power conditions and override instructions from the PMU in certain instances to enhance power supply safety and battery life such as by preventing inter battery current flow from a higher potential battery to a lower potential battery coupled in parallel. A power supply block including the selector circuit and an electronic device including the power supply block is also provided. The selector circuit may be integrated with a charging circuit on one integrated circuit.

    摘要翻译： 选择器电路被配置为在用于电子设备的DC电源和多个电池之中进行选择。 选择器电路响应于来自相关联的电力管理单元的输出信号。 选择器电路还被配置成允许两个或更多个电池的并联操作。 在某些情况下，选择器电路还可以用于独立地验证功率状况并覆盖来自PMU的指令以增强供电安全性和电池寿命，例如通过防止电池间电流从较高电位电池流向并联耦合的较低电位电池。 还提供了包括选择器电路的电源块和包括电源块的电子设备。 选择器电路可以与一个集成电路上的充电电路集成。