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    • 64. 发明申请
    • PROVIDING CURRENT CROSS-CONDUCTION PROTECTION IN A POWER RAIL CONTROL SYSTEM
    • 在电力轨道控制系统中提供电流跨导保护
    • WO2016168695A1
    • 2016-10-20
    • PCT/US2016/027890
    • 2016-04-15
    • QUALCOMM INCORPORATED
    • KOLLA, Yeshwant, NagarajNATEKAR, Neel, ShashankGARG, Manish
    • G06F1/32G11C5/14G06F1/26
    • G06F1/3234G06F1/263G06F1/3287G11C5/063G11C5/147Y02D10/171
    • Power rail control systems that include power multiplexing circuits that include cross-current conduction protection are disclosed. Power multiplexing circuit includes supply selection circuits each coupled between a respective supply power rail and an output power rail coupled to a powered circuit. To maintain power to the powered circuit during switching coupling of the output power rail, but while also avoiding current cross-conduction path between supply power rails, diode drop control circuits are provided in supply selection circuits. In diode drop operation mode, the diode drop control circuit associated with a higher voltage supply power rail is configured to regulate voltage supplied by such supply power rail to the output power rail to power the powered circuit. A current cross-conduction path is not created, because diode drop control circuits associated with lower voltage supply power rails are reverse biased to prevent current from flowing through their associated supply selection circuits.
    • 公开了包括交叉电流传导保护的功率复用电路的电力轨控系统。 功率复用电路包括电源选择电路,每个电源选择电路分别耦合在相应的供电电源轨和耦合到电源电路的输出电源轨之间。 为了在切换输出电力轨道的耦合期间维持供电电路的电力,但是在避免电源电源轨道之间的电流交叉导通路径的同时,在电源选择电路中提供二极管压降控制电路。 在二极管降压操作模式中,与更高电压电源轨相关联的二极管降压控制电路被配置为将由这样的供电电源轨提供的电压调节到输出电源轨,以为供电电路供电。 不产生电流交叉导通路径,因为与低电压电源电源轨相关联的二极管降压控制电路被反向偏置,以防止电流流过其相关联的电源选择电路。
    • 66. 发明申请
    • POWER MANAGEMENT DEVICE
    • 电源管理设备
    • WO2014151859A9
    • 2016-07-21
    • PCT/US2014026578
    • 2014-03-13
    • ITRON INC
    • CAHILL-O'BRIEN BARRYDE JAGER JOHANN
    • H02J7/00H02J9/00
    • G06F1/3234H02J7/007H02J9/005
    • A power management device is adapted to reduce power consumption, particularly in battery-powered applications such as within a node in a utility network (e.g., in a gas, water, or other utility application). In one example, a low- current voltage regulator provides power to a processor during low-power "sleep" states. A high-current voltage regulator provides power to the processor, metrology devices and/or a radio during "awake" states. A buck-boost device may provide power to a transmitter during radio frequency (RF) transmissions. A max device may determine a greater of voltages output by a battery and the buck-boost device, and use the higher to power the high-current voltage regulator. The power management device may include a state machine, which may include several states and operations to perform within each state. In one state, the processor enters a sleep state prior to recovery of battery voltage after a transmission state.
    • 电力管理装置适于降低功耗,特别是在电池供电的应用中,例如在公用事业网络(例如在气体,水或其他实用应用中)的节点内。 在一个示例中,低电流电压调节器在低功率“睡眠”状态下向处理器供电。 在“清醒”状态下,高电流电压调节器为处理器,计量设备和/或无线电提供电力。 降压 - 升压装置可以在射频(RF)传输期间向发射机提供电力。 最大装置可以确定由电池和降压 - 升压装置输出的较大的电压,并且使用较高的电压为高电流电压调节器供电。 电源管理设备可以包括状态机,其可以包括在每个状态下执行的几种状态和操作。 在一种状态下,处理器在传输状态之前恢复电池电压之前进入睡眠状态。
    • 69. 发明申请
    • TECHNOLOGIES FOR COLLABORATIVE HARDWARE AND SOFTWARE SCENARIO-BASED POWER MANAGEMENT
    • 协同硬件和软件基于场景的电源管理技术
    • WO2016043899A1
    • 2016-03-24
    • PCT/US2015/045655
    • 2015-08-18
    • INTEL CORPORATION
    • KARHU, Abhinav R.KHANNA, GuaravFENGER, Russell J.
    • G06F1/32G06F1/26
    • G06F1/3246G06F1/3206G06F1/3234G06F1/324G06F1/3296Y02D10/126Y02D10/172
    • Technologies for collaborative hardware-software power management include a computing device having a processor that supports a low-power idle state. The low-power idle state may be connected standby or a low-power audio playback state. The computing device detects a present usage scenario and determines whether the usage scenario qualifies for a power boost. Qualifying usage scenarios may include low-power audio playback, screen-on interactive use, and I/O-bound workloads. For qualifying usage scenarios, the computing device applies a boosted power management policy that increases power consumption and performance compared to a default power management policy. The default power management policy may base performance and power consumption on recent processor utilization. The computing device may generate one or more hardware hints to increase performance and power consumption, such as increasing the processor p-state or setting the value of an energy performance bias register. Other embodiments are described and claimed.
    • 用于协作硬件 - 软件电源管理的技术包括具有支持低功率空闲状态的处理器的计算设备。 低功率空闲状态可以连接待机或低功率音频播放状态。 计算设备检测当前使用情景并确定使用情景是否符合功率提升。 合格使用场景可能包括低功耗音频播放,屏幕交互式使用和I / O绑定工作负载。 对于符合条件的使用情况,计算设备应用增强的电源管理策略,与默认电源管理策略相比,可提高功耗和性能。 默认的电源管理策略可以基于最近处理器利用率的性能和功耗。 计算设备可以生成一个或多个硬件提示以增加性能和功耗,例如增加处理器p状态或设置能量性能偏置寄存器的值。 描述和要求保护其他实施例。