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公开(公告)号：US09665141B2
公开(公告)日：2017-05-30
申请号：US14297472
申请日：2014-06-05
Applicant: Apple Inc.
Inventor： Keith Cox , Kit-Man Wan , Gaurav Kapoor
CPC classification number: G06F1/206 , G06F1/3203 , Y02D10/16
Abstract: Methods for thermal management of an integrated circuit are disclosed. In particular, a dual control loop, having a first control loop and a second control loop, is used to maintain the temperature of an integrated circuit at a first temperature and a second temperature, respectively. In order to prevent the integrated circuit from overheating during periods of rapid temperature increase, the second control loop may be configured to control temperature at the second temperature below the specification limit of the integrated circuit by reducing power to the integrated circuit. The second control loop samples and maintains temperature of the integrated circuit at time intervals relatively faster than that of the first control loop. However, the second control loop is configured to release control to the first control loop when the temperature of the integrated circuit is reduced. The first control loop may then control power to the integrated circuit.
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公开(公告)号：US09494994B1
公开(公告)日：2016-11-15
申请号：US14549656
申请日：2014-11-21
Applicant: Apple Inc.
Inventor： Patrick Y. Law , Robert A. Drebin , Keith Cox , James S. Ismail
CPC classification number: G06F1/3206 , G06F1/206 , G06F1/3203 , G06F1/324 , G06F1/3287 , G06F1/3296 , Y02D10/126 , Y02D10/16 , Y02D10/171 , Y02D10/172
Abstract: In one embodiment, a system includes power management control that controls a duty cycle of a processor to manage power. The duty cycle may be the amount of time that the processor is powered on as a percentage of the total time. By frequently powering up and powering down the processor during a period of time, the power consumption of the processor may be controlled while providing the perception that the processor is continuously available. For example, the processor may be a graphics processing unit (GPU), and the period of time over which the duty cycle is managed may be a frame to be displayed on the display screen viewed by a user of the system.
Abstract translation: 在一个实施例中，系统包括控制处理器管理电力的占空比的电源管理控制。 占空比可以是处理器上电的时间量占总时间的百分比。 通过在一段时间内频繁地加电和断电处理器，可以控制处理器的功耗，同时提供处理器持续可用的感知。 例如，处理器可以是图形处理单元（GPU），并且管理占空比的时间段可以是要在系统的用户观看的显示屏上显示的帧。
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53.发明申请公开(公告)号：US20160054773A1
公开(公告)日：2016-02-25
申请号：US14466205
申请日：2014-08-22
Applicant: Apple Inc.
Inventor： Manu Gulati , Parin Patel , Keith Cox , Derek Iwamoto , Cyril de la Cropte de Chanterac , Christopher J. Young
IPC: G06F1/32
CPC classification number: G06F1/3203 , G06F1/3296 , Y02D10/172
Abstract: A method and apparatus for providing telemetry for use in power control functions is disclosed. A system includes an integrated circuit (IC) having a first power management circuit. The IC also includes a number of functional circuit blocks within a number of different power domains. A second power management circuit is implemented external to the IC and includes a number of voltage regulators. Each of the power domains is coupled to receive power from one voltage regulators. During operation, the first power management circuit may send commands requesting the change of one or more voltages provided to the IC. The second power management circuit may respond by performing the requested voltage change(s), and may also provide telemetry data to the first power management circuit. The second power management circuit may also provide telemetry data responsive to receiving a no operation command from the first power management circuit.
Abstract translation: 公开了一种用于提供用于功率控制功能的遥测的方法和装置。 一种系统包括具有第一电源管理电路的集成电路（IC）。 IC还包括多个不同功率域内的多个功能电路块。 第二电源管理电路在IC外部实现并且包括多个电压调节器。 每个电源域被耦合以从一个电压调节器接收电力。 在操作期间，第一电源管理电路可以发送请求改变提供给IC的一个或多个电压的命令。 第二电力管理电路可以通过执行所请求的电压变化来响应，并且还可以向第一电力管理电路提供遥测数据。 第二电力管理电路还可以响应于从第一电力管理电路接收无操作命令来提供遥测数据。
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54.发明申请公开(公告)号：US20140139570A1
公开(公告)日：2014-05-22
申请号：US13683201
申请日：2012-11-21
Applicant: APPLE INC.
Inventor： Marc Albrecht , Ulrich Barnhoefer , Gabriel Marcu , Sandro H. Pintz , Keith Cox
IPC: G09G5/02
CPC classification number: G09G5/06 , G09G3/2003 , G09G2320/0242 , G09G2320/041 , G09G2320/0666 , G09G2320/0693 , G09G2360/144
Abstract: An electronic device may include a display and display control circuitry. The display may be calibrated to compensate for changes in display temperature. Display calibration information may be obtained during manufacturing and may be stored in the electronic device. The display calibration information may include adjustment factors configured to adjust incoming pixel values to reduce temperature-related color shifts. During operation of the electronic device, display control circuitry may determine the temperature at different locations on the display. The display control circuitry may determine the temperature at a given display pixel using the temperatures at the different locations on the display. The display control circuitry may determine adjustment values based on the temperature at the display pixel. The display control circuitry may apply the adjustment values to incoming pixel values to obtain adapted pixel values, which may in turn be provided to the display pixel.
Abstract translation: 电子设备可以包括显示和显示控制电路。 可以校准显示器以补偿显示温度的变化。 显示校准信息可以在制造过程中获得，并且可以存储在电子设备中。 显示校准信息可以包括被配置为调整输入像素值以减少温度相关颜色偏移的调节因子。 在电子设备的操作期间，显示控制电路可以确定显示器上不同位置处的温度。 显示控制电路可以使用显示器上不同位置处的温度来确定给定显示像素处的温度。 显示控制电路可以基于显示像素处的温度来确定调整值。 显示控制电路可以将调整值应用于输入像素值，以获得适应的像素值，其可依次提供给显示像素。
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公开(公告)号：US20130228632A1
公开(公告)日：2013-09-05
申请号：US13630999
申请日：2012-09-28
Applicant: APPLE INC.
Inventor： Gaurav Kapoor , Keith Cox , Karen S. Eckert , Michael Bergh
IPC: G05D23/19
CPC classification number: G06F1/206 , G05D23/1917
Abstract: The disclosed embodiments provide an apparatus that controls a cooling system for a computer system. During operation, the apparatus monitors a temperature signal from the computer system to determine a trend for the temperature signal. Then, a filter parameter for a trend-based filter is selected based on the trend. Next, the temperature signal is filtered using the trend-based filter to generate a filtered temperature signal which is then passed through a controller to generate a control signal for the cooling system.
Abstract translation: 所公开的实施例提供了一种控制计算机系统的冷却系统的装置。 在操作期间，设备监测来自计算机系统的温度信号以确定温度信号的趋势。 然后，基于趋势选择基于趋势的过滤器的过滤器参数。 接下来，使用基于趋势的滤波器对温度信号进行滤波，以生成滤波后的温度信号，然后通过控制器产生冷却系统的控制信号。
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Patent Agency Ranking
公开(公告)号：US20130179000A1
公开(公告)日：2013-07-11
申请号：US13776239
申请日：2013-02-25
Applicant: Apple Inc.
Inventor： Keith Cox , Gaurav Kapoor , Michael Culbert
IPC: G06F1/20
CPC classification number: G06F1/203 , G06F1/1677 , G06F1/206 , G06F1/3203 , G06F1/324 , G06F1/3296 , Y02D10/126 , Y02D10/172
Abstract: Methods and apparatuses to automatically adjust a thermal requirement of a data processing system are described. One or more conditions associated with a data processing system are detected. A temperature requirement for the data processing system is determined based on the one or more conditions. The performance of the data processing system may be throttled to maintain a temperature of the data processing system below the temperature requirement. Detecting the one or more conditions associated with the data processing system may include determining a location of the data processing system based on a measured motion, a state of a peripheral device, a position of one portion of the data processing system (e.g., a lid) relative another portion of the data processing system (e.g., a bottom portion), a type of application operating on the data processing system, or any combination thereof.
Abstract translation: 描述了自动调整数据处理系统的热要求的方法和装置。 检测与数据处理系统相关联的一个或多个条件。 基于一个或多个条件确定数据处理系统的温度要求。 可以限制数据处理系统的性能，以将数据处理系统的温度保持在温度要求以下。 检测与数据处理系统相关联的一个或多个条件可以包括基于所测量的运动，外围设备的状态，数据处理系统的一部分的位置来确定数据处理系统的位置（例如，盖 ）数据处理系统的相对另一部分（例如，底部），在数据处理系统上操作的应用的类型或其任何组合。
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公开(公告)号：US20130060510A1
公开(公告)日：2013-03-07
申请号：US13665308
申请日：2012-10-31
Applicant: Apple Inc.
Inventor： Keith Cox , Gaurav Kapoor , Vaughn Arnold
Abstract: Methods and apparatuses are disclosed to estimate temperature at one or more critical points in a data processing system comprising modeling a steady state temperature portion of a thermal model at the one or more critical points using regression analysis; modeling the transient temperature portion of the thermal model at the one or more critical points using a filtering algorithm; and generating a thermal model at the one or more critical points by combining the steady state temperature portion of the thermal model with the transient temperature portion of the thermal model. The thermal model may then be used to estimate an instantaneous temperature at the one or more critical points or to predict a future temperature at the one or more critical points.
Abstract translation: 公开了用于估计数据处理系统中的一个或多个临界点处的温度的方法和装置，其包括使用回归分析来建模所述一个或多个关键点处的热模型的稳态温度部分; 使用滤波算法对一个或多个临界点处的热模型的瞬态温度部分进行建模; 以及通过将热模型的稳态温度部分与热模型的瞬态温度部分组合来在一个或多个关键点处产生热模型。 然后可以使用热模型来估计一个或多个关键点处的瞬时温度或者预测一个或多个关键点处的未来温度。
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公开(公告)号：US20240427391A1
公开(公告)日：2024-12-26
申请号：US18438782
申请日：2024-02-12
Applicant: Apple Inc.
Inventor： Inder M. Sodhi , Achmed R. Zahir , Carmel Yamberger , Daniele Perretta , Jan Krellner , Ron Neuman , James S. Ismail , Keith Cox
Abstract: Techniques are disclosed relating to electromigration control implemented by a power management unit. In some embodiments, the power management unit itself is configured to monitor operating conditions, implement control for one or more electromigration loops, and send reduction alerts, via an inter-chip interconnect, to the processor circuitry it powers. In some embodiments, the power management unit implements both thermal and electromigration control loops. Disclosed techniques may advantageously reduce or avoid electromigration issues, potentially with reduced impact on processor performance relative to traditional techniques.
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公开(公告)号：US12135602B2
公开(公告)日：2024-11-05
申请号：US17573268
申请日：2022-01-11
Applicant: Apple Inc.
Inventor： Doron Rajwan , Inder M. Sodhi , Keith Cox , Jung Wook Cho , Kevin I. Park , Tal Kuzi
IPC: G06F1/3296 , G06F1/3234 , G06F1/324
Abstract: In an embodiment, a system may include a plurality of component circuits. The plurality of component circuits may include rate control circuits the control power consumption in the component circuits based on indications of power allocated to the component circuits. In an embodiment, the rate control circuits may transmit power requests for the component circuits and a floor request representing a minimum amount of power that may ensure reliable operation.
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公开(公告)号：US20230384846A1
公开(公告)日：2023-11-30
申请号：US18326430
申请日：2023-05-31
Applicant: Apple Inc.
Inventor： Keith Cox , Jamie L. Langlinais , Inder M. Sodhi
Abstract: A hierarchical, scalable power delivery system is disclosed. The power delivery system includes a first level of power converter circuitry configured to generate one or more first level regulated supply voltages, and a second level of power converter circuitry configured to generate one or more second level regulated supply voltages. The first level of power converter circuitry receives an input supply voltage, while the second level power converter circuitry receives the one or more first level supp1 voltages. The second level power converter circuitry is configured to provide the second level regulated supply voltages to a computing element configured to operate as a single, logical computer system, the computing element being configured to operate in a number of power configurations having differing numbers of load circuits. Different portions of the hierarchical power delivery system may be selectively enabled for corresponding ones of the power configurations of the computing element.
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