Adaptive effective C-rate charging of batteries
    21.
    发明授权
    Adaptive effective C-rate charging of batteries 有权
    电池适应性有效C速充电

    公开(公告)号:US09559543B2

    公开(公告)日:2017-01-31

    申请号:US13946577

    申请日:2013-07-19

    Applicant: Apple Inc.

    Abstract: The disclosed embodiments provide a system that manages use of a battery in a portable electronic device. During operation, the system obtains a voltage of the battery and a state-of-charge of the battery. Next, the system calculates an effective C-rate of the battery using the voltage and the state-of-charge. Finally, the system uses the effective C-rate to manage a charging process for the battery.

    Abstract translation: 所公开的实施例提供一种管理便携式电子设备中的电池的使用的系统。 在操作期间,系统获得电池的电压和电池的充电状态。 接下来,系统使用电压和充电状态来计算电池的有效C率。 最后,系统使用有效的C速率来管理电池的充电过程。

    BATTERY CHARGER WITH GAUGE-BASED CLOSED-LOOP CONTROL
    22.
    发明申请
    BATTERY CHARGER WITH GAUGE-BASED CLOSED-LOOP CONTROL 审中-公开
    电池充电器与基于测量的闭环控制

    公开(公告)号:US20160006272A1

    公开(公告)日:2016-01-07

    申请号:US14323961

    申请日:2014-07-03

    Applicant: Apple Inc.

    CPC classification number: H02J7/0077 G01R31/3842 H02J7/0008

    Abstract: Systems and methods for power management are disclosed. In an embodiment, a battery charging system includes closed-loop control of a battery charger using a servo target based on measurements taken by a battery gauge.

    Abstract translation: 公开了电源管理的系统和方法。 在一个实施例中,电池充电系统包括使用伺服目标的电池充电器的闭环控制,该电池充电器基于电池量规所采取的测量。

    BALANCING VOLTAGES BETWEEN BATTERY BANKS
    23.
    发明申请
    BALANCING VOLTAGES BETWEEN BATTERY BANKS 审中-公开
    电池之间的平衡电压

    公开(公告)号:US20150123618A1

    公开(公告)日:2015-05-07

    申请号:US14594621

    申请日:2015-01-12

    Applicant: Apple Inc.

    CPC classification number: H02J7/0019 H02J7/0016 H02M3/07 Y10T307/696

    Abstract: A system that balances voltages between battery banks. The system includes battery banks, including a first bank and a second bank, and a first capacitor. The system also includes a first set of switching devices which selectively couple first and second terminals of the first capacitor to first and second terminals of the first bank, and to first and second terminals of the second bank. The system includes a clocking circuit which generates clock signals with substantially non-overlapping first and second clock phases. This clocking circuit is configured so that during the first phase the first and second terminals of the first capacitor are coupled to the first and second terminals of the first bank, respectively, and during the second phase the first and second terminals of the first capacitor are coupled to the first and second terminals of the second bank, respectively.

    Abstract translation: 一种平衡电池组之间电压的系统。 该系统包括包括第一组和第二组以及第一电容器的电池组。 该系统还包括第一组开关装置,其将第一电容器的第一和第二端子选择性地耦合到第一组的第一和第二端子以及第二组的第一和第二端子。 该系统包括产生具有基本上不重叠的第一和第二时钟相位的时钟信号的时钟电路。 该时钟电路被配置为使得在第一阶段期间,第一电容器的第一和第二端子分别耦合到第一组的第一和第二端子,并且在第二阶段期间,第一电容器的第一和第二端子是 分别耦合到第二组的第一和第二端子。

    LIGHT SOURCE MODULES FOR NOISE MITIGATION

    公开(公告)号:US20250027813A1

    公开(公告)日:2025-01-23

    申请号:US18908626

    申请日:2024-10-07

    Applicant: Apple Inc.

    Abstract: Configurations for light source modules and methods for mitigating coherent noise are disclosed. The light source modules may include multiple light source sets, each of which may include multiple light sources. The light emitted by the light sources may be different wavelengths or the same wavelength depending on whether the light source module is providing redundancy of light sources, increased power, coherent noise mitigation, and/or detector mitigation. In some examples, the light source may emit light to a coupler or a multiplexer, which may then be transmitted to one or more multiplexers. In some examples, the light source modules provide one light output and in other examples, the light source modules provide two light outputs. The light source modules may provide light with approximately zero loss and the wavelengths of light may be close enough to spectroscopically equivalent respect to a sample and far enough apart to provide coherent noise mitigation.

    Systems and methods for bidirectional two-port battery charging with boost functionality

    公开(公告)号:US10673260B2

    公开(公告)日:2020-06-02

    申请号:US16111742

    申请日:2018-08-24

    Applicant: Apple Inc.

    Abstract: The disclosed embodiments provide a charging system for a portable electronic device. The charging system includes a first bidirectional switching converter connected to a first power port of the portable electronic device, a low-voltage subsystem in the portable electronic device, and a high-voltage subsystem in the portable electronic device and a second bidirectional switching converter connected to a second power port of the portable electronic device, the low-voltage subsystem, and the high-voltage subsystem. The charging system also includes a control circuit that operates the first and second bidirectional switching converters to provide and receive power through the first and second power ports and convert an input voltage received through the first or second power port into a set of output voltages for charging an internal battery in the portable electronic device and powering the low-voltage subsystem and the high-voltage subsystem.

    Systems and Methods for Simultaneously Charging a Battery with Multiple Power Sources

    公开(公告)号:US20180205252A1

    公开(公告)日:2018-07-19

    申请号:US15913634

    申请日:2018-03-06

    Applicant: Apple Inc.

    Abstract: Systems and methods for power management are disclosed herein. In one disclosed embodiment, a battery charging system includes a battery charger for simultaneously charging a battery (and/or providing power to a system load) with multiple power sources, using a closed-loop charging servo target based on measurements taken by one or more gauges. In some embodiments, the multiple power sources may be utilized simultaneously according to a charging profile that specifies, e.g., one or more battery charging parameters, as well as according to determined priority levels for one or more of the multiple power sources coupled to the battery. In some embodiments, the priority level of a given power source is not fixed; rather, the priority level for the given power source may change based upon the characteristics of the given power source. In some embodiments, the priority levels for the multiple power sources are implemented using cascaded voltage target values.

    Systems and Methods for Simultaneously Charging a Battery with Multiple Power Sources

    公开(公告)号:US20170264122A1

    公开(公告)日:2017-09-14

    申请号:US15083917

    申请日:2016-03-29

    Applicant: Apple Inc.

    Abstract: Systems and methods for power management are disclosed herein. In one disclosed embodiment, a battery charging system includes a battery charger for simultaneously charging a battery (and/or providing power to a system load) with multiple power sources, using a closed-loop charging servo target based on measurements taken by one or more gauges. In some embodiments, the multiple power sources may be utilized simultaneously according to a charging profile that specifies, e.g., one or more battery charging parameters, as well as according to determined priority levels for one or more of the multiple power sources coupled to the battery. In some embodiments, the priority level of a given power source is not fixed; rather, the priority level for the given power source may change based upon the characteristics of the given power source. In some embodiments, the priority levels for the multiple power sources are implemented using cascaded voltage target values.

    Balancing voltages between battery banks

    公开(公告)号:US09601932B2

    公开(公告)日:2017-03-21

    申请号:US14594621

    申请日:2015-01-12

    Applicant: Apple Inc.

    CPC classification number: H02J7/0019 H02J7/0016 H02M3/07 Y10T307/696

    Abstract: A system that balances voltages between battery banks. The system includes battery banks, including a first bank and a second bank, and a first capacitor. The system also includes a first set of switching devices which selectively couple first and second terminals of the first capacitor to first and second terminals of the first bank, and to first and second terminals of the second bank. The system includes a clocking circuit which generates clock signals with substantially non-overlapping first and second clock phases. This clocking circuit is configured so that during the first phase the first and second terminals of the first capacitor are coupled to the first and second terminals of the first bank, respectively, and during the second phase the first and second terminals of the first capacitor are coupled to the first and second terminals of the second bank, respectively.

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