POWER MANAGEMENT UNIT FOR BATTERY-OPERATED DEVICES
    1.
    发明申请
    POWER MANAGEMENT UNIT FOR BATTERY-OPERATED DEVICES 有权
    电池管理单元

    公开(公告)号:US20080278002A1

    公开(公告)日:2008-11-13

    申请号:US12116846

    申请日:2008-05-07

    CPC classification number: H02J7/0065 H02J2007/0062 Y10T307/313 Y10T307/533

    Abstract: A power management unit for a battery-operated electronic device having a bus interface for the interconnection with another electronic device, the power management unit including an electric energy storage element coupled between a battery of the battery-operated electronic device and a voltage supply line of the bus interface, the electric energy storage element being operable to charge/discharge electric energy; a drive circuitry arranged to control a charge/discharge of the electric energy storage element. The drive circuitry is operable to cause an electric power supplied by the other electronic device through the voltage supply line to re-charge the battery; or, in case the other electronic device does not supply electric power, cause the battery supply electric power to the other electronic device through the voltage supply line. The power management unit is particularly adapted for battery-operated, mobile USB OTG devices.

    Abstract translation: 一种用于电池供电的电子设备的电源管理单元,具有用于与另一电子设备互连的总线接口,所述电源管理单元包括耦合在电池供电的电子设备的电池和电池供电线路之间的电能存储元件 所述总线接口,所述蓄电元件可操作以对电能进行充电/放电; 布置成控制电能存储元件的充电/放电的驱动电路。 所述驱动电路可操作以使由所述另一电子装置通过所述电压供给线提供的电力对所述电池进行再充电; 或者在其他电子设备不供电的情况下,通过电压供给线使电池向另一方的电子设备供电。 电源管理单元特别适用于电池供电的移动USB OTG设备。

    Switched mode power supply device adapted for low current drains, and cellular phone equipped with such a device
    2.
    发明授权
    Switched mode power supply device adapted for low current drains, and cellular phone equipped with such a device 有权
    适用于低电流消耗的开关电源装置,以及配备这种装置的蜂窝电话

    公开(公告)号:US06897640B2

    公开(公告)日:2005-05-24

    申请号:US10237164

    申请日:2002-09-06

    CPC classification number: H02M3/156

    Abstract: A switched mode power supply device comprising a power transistor periodically set to conduction and supplying a regulated voltage that comprises a ramp generation circuit controlled by a clock signal and periodically generating a ramp voltage. The device includes an amplifier error circuit between a reference voltage and said regulated output voltage and generates an error signal, and a comparator comparing the ramp voltage with said error voltage and providing an output signal for controlling said power circuit. The circuit is characterized in that it comprises a delay element delaying the setting to conduction of the power transistor so as to desynchronize the starting of the ramp and said setting to conduction.

    Abstract translation: 一种开关模式电源装置,包括周期性地设置为导通的功率晶体管并且提供包括由时钟信号控制的斜坡发生电路并周期性地产生斜坡电压的稳压电压。 该装置包括参考电压和所述调节输出电压之间的放大器误差电路,并产生误差信号,以及将斜坡电压与所述误差电压进行比较并提供用于控制所述电源电路的输出信号的比较器。 该电路的特征在于它包括延迟元件延迟功率晶体管导通的设置,以使斜坡的起始和所述设置的导通失速。

    Method and apparatus for controlling the transfer of electric power to an electronic device supplied by a battery
    3.
    发明授权
    Method and apparatus for controlling the transfer of electric power to an electronic device supplied by a battery 有权
    用于控制由电池供应的电子设备的电力转移的方法和装置

    公开(公告)号:US08575889B2

    公开(公告)日:2013-11-05

    申请号:US12200510

    申请日:2008-08-28

    CPC classification number: H02M3/158

    Abstract: A DC-DC voltage down-converter for an electronic device supplied by a battery and having a bus interface for the interconnection with another electronic device capable of supplying electric power is provided. The DC-DC voltage down-converter includes a terminal coupled to a voltage supply line of the bus interface and operable to receive a input current from the another electronic device. The DC-DC voltage down-converter further includes an electric energy storage element coupled between the battery and the terminal, the electric energy storage element being operable to storage/release electric energy and a drive circuit arranged to control the storage/release of the electric energy storage element, so as to cause an electric power generated by the input current supplied by the another electronic device through the voltage supply line to re-charge the battery. The DC-DC voltage down-converter still further includes a input current feedback control circuit coupled to the terminal and arranged to monitor a value of the input current and generate a corresponding input current indication; the drive circuit configured to control the storage/release of the electric energy storage element according to the input current indication.

    Abstract translation: 提供一种用于由电池提供并具有用于与能够供电的另一电子设备的互连的总线接口的用于电子设备的DC-DC电压下变频器。 DC-DC电压下变频器包括耦合到总线接口的电压供应线并可操作以从另一电子设备接收输入电流的端子。 所述DC-DC电压下变频器还包括耦合在所述电池和所述端子之间的电能存储元件,所述电能存储元件可操作以存储/释放电能;以及驱动电路,所述驱动电路被布置成控制所述电力 从而通过电压供给线引起由另一电子装置供给的输入电流产生的电力,对电池进行再充电。 DC-DC电压下变频器还包括耦合到端子的输入电流反馈控制电路,并被布置成监视输入电流的值并产生相应的输入电流指示; 所述驱动电路被配置为根据所述输入电流指示来控制所述电能存储元件的存储/释放。

    SWITCHING POWER SUPPLY SOURCE
    4.
    发明申请
    SWITCHING POWER SUPPLY SOURCE 有权
    切换电源

    公开(公告)号:US20080129262A1

    公开(公告)日:2008-06-05

    申请号:US12026098

    申请日:2008-02-05

    CPC classification number: H02M1/38 H03K17/165

    Abstract: A switching power supply source including an inductance with first and second terminals; an output node; an NMos transistor, the drain of which is connected to the first terminal; a PMos transistor, the drain of which is connected to the first terminal; a control device generating control signals for NMos and PMos transistors assuring that these transistors are not conducting simultaneously; a capacitor with a third terminal connected to the first terminal and a fourth terminal; a resistance with a fifth terminal connected to the fourth terminal and a sixth terminal; and an NMos transistor the drain of which is connected to the grid of the PMos transistor and the gate of which is connected to the fourth terminal.

    Abstract translation: 一种开关电源,包括具有第一和第二端子的电感; 输出节点; NMos晶体管,其漏极连接到第一端子; PMOS晶体管,其漏极连接到第一端子; 产生用于NMos和PMos晶体管的控制信号的控制装置,确保这些晶体管不同时导通; 电容器,其具有连接到所述第一端子的第三端子和第四端子; 具有连接到第四端子的第五端子和第六端子的电阻; 以及NMos晶体管,其漏极连接到PMos晶体管的栅极,栅极连接到第四端子。

    Power management circuit for a portable electronic device including USB functionality and method for doing the same
    5.
    发明授权
    Power management circuit for a portable electronic device including USB functionality and method for doing the same 有权
    一种便携式电子设备的电源管理电路,包括USB功能及其做法

    公开(公告)号:US09203254B2

    公开(公告)日:2015-12-01

    申请号:US13819168

    申请日:2011-08-25

    Abstract: A Power Management Circuit for a portable electronic device comprising an internal battery to be charged either through a first interface or through an AC_DC conversion circuit. The circuit comprises a first buck/boost converter having a Switched Mode Power Supply (SMPS) mode which can be controlled either in a buck or a boost mode, said first buck/boost controller being associated with a first external coil for the purpose of embodying a battery charging circuit through a first interface (USB). The circuit further comprises a second buck/boost converter which can also be controlled either in a buck or a boost mode. Bypass circuits are used for performing, under control of a control circuit, the bypass of either the voltage of the battery or the voltage generated by said buck/boost controllers when in boost mode to a second interface (SIM/MMC).

    Abstract translation: 一种用于便携式电子设备的电源管理电路,包括通过第一接口或通过AC_DC转换电路来充电的内部电池。 该电路包括具有可以降压或升压模式控制的开关模式电源(SMPS)模式的第一降压/升压转换器,所述第一降压/升压控制器与第一外部线圈相关联,以体现 通过第一接口(USB)的电池充电电路。 电路还包括还可以以降压或升压模式控制的第二降压/升压转换器。 旁路电路用于在控制电路的控制下执行电池电压的旁路或当升压模式时由所述降压/升压控制器产生的电压到第二接口(SIM / MMC)的旁路。

    Power Management Circuit for a Portable Electronic Device Including USB Functionality and Method for Doing the Same
    6.
    发明申请
    Power Management Circuit for a Portable Electronic Device Including USB Functionality and Method for Doing the Same 有权
    包括USB功能的便携式电子设备的电源管理电路及其做法

    公开(公告)号:US20130154550A1

    公开(公告)日:2013-06-20

    申请号:US13819168

    申请日:2011-08-25

    Abstract: A Power Management Circuit for a portable electronic device comprising an internal battery to be charged either through a first interface or through an AC_DC conversion circuit. The circuit comprises a first buck/boost converter having a Switched Mode Power Supply (SMPS) mode which can be controlled either in a buck or a boost mode, said first buck/boost controller being associated with a first external coil for the purpose of embodying a battery charging circuit through a first interface (USB). The circuit further comprises a second buck/boost converter which can also be controlled either in a buck or a boost mode. Bypass circuits are used for performing, under control of a control circuit, the bypass of either the voltage of the battery or the voltage generated by said buck/boost controllers when in boost mode to a second interface (SIM/MMC).

    Abstract translation: 一种用于便携式电子设备的电源管理电路,包括通过第一接口或通过AC_DC转换电路来充电的内部电池。 该电路包括具有可以降压或升压模式控制的开关模式电源(SMPS)模式的第一降压/升压转换器,所述第一降压/升压控制器与第一外部线圈相关联,以体现 通过第一接口(USB)的电池充电电路。 电路还包括还可以以降压或升压模式控制的第二降压/升压转换器。 旁路电路用于在控制电路的控制下执行电池电压的旁路或当升压模式时由所述降压/升压控制器产生的电压到第二接口(SIM / MMC)的旁路。

    Power management unit for battery-operated devices
    7.
    发明授权
    Power management unit for battery-operated devices 有权
    电池供电装置的电源管理单元

    公开(公告)号:US07768150B2

    公开(公告)日:2010-08-03

    申请号:US12116846

    申请日:2008-05-07

    CPC classification number: H02J7/0065 H02J2007/0062 Y10T307/313 Y10T307/533

    Abstract: A power management unit for a battery-operated electronic device having a bus interface for the interconnection with another electronic device, the power management unit including an electric energy storage element coupled between a battery of the battery-operated electronic device and a voltage supply line of the bus interface, the electric energy storage element being operable to charge/discharge electric energy; a drive circuitry arranged to control a charge/discharge of the electric energy storage element. The drive circuitry is operable to cause an electric power supplied by the other electronic device through the voltage supply line to re-charge the battery; or, in case the other electronic device does not supply electric power, cause the battery supply electric power to the other electronic device through the voltage supply line. The power management unit is particularly adapted for battery-operated, mobile USB OTG devices.

    Abstract translation: 一种用于电池供电的电子设备的电源管理单元,具有用于与另一电子设备互连的总线接口,所述电源管理单元包括耦合在电池供电的电子设备的电池和电池供电线路之间的电能存储元件 所述总线接口,所述蓄电元件可操作以对电能进行充电/放电; 布置成控制电能存储元件的充电/放电的驱动电路。 所述驱动电路可操作以使由所述另一电子装置通过所述电压供给线提供的电力对所述电池进行再充电; 或者在其他电子设备不供电的情况下,通过电压供给线使电池向另一方的电子设备供电。 电源管理单元特别适用于电池供电的移动USB OTG设备。

    Switching power supply source
    8.
    发明授权
    Switching power supply source 有权
    开关电源

    公开(公告)号:US07564231B2

    公开(公告)日:2009-07-21

    申请号:US12026098

    申请日:2008-02-05

    CPC classification number: H02M1/38 H03K17/165

    Abstract: A switching power supply source including an inductance with first and second terminals; an output node; an NMos transistor, the drain of which is connected to the first terminal; a PMos transistor, the drain of which is connected to the first terminal; a control device generating control signals for NMos and PMos transistors assuring that these transistors are not conducting simultaneously; a capacitor with a third terminal connected to the first terminal and a fourth terminal; a resistance with a fifth terminal connected to the fourth terminal and a sixth terminal; and an NMos transistor the drain of which is connected to the grid of the PMos transistor and the gate of which is connected to the fourth terminal.

    Abstract translation: 一种开关电源,包括具有第一和第二端子的电感; 输出节点; NMos晶体管,其漏极连接到第一端子; PMOS晶体管,其漏极连接到第一端子; 产生用于NMos和PMos晶体管的控制信号的控制装置,确保这些晶体管不同时导通; 电容器,其具有连接到所述第一端子的第三端子和第四端子; 具有连接到第四端子的第五端子和第六端子的电阻; 以及NMos晶体管,其漏极连接到PMos晶体管的栅极,栅极连接到第四端子。

    BATTERY CHARGE CONTROL CIRCUIT
    9.
    发明申请
    BATTERY CHARGE CONTROL CIRCUIT 有权
    电池充电控制电路

    公开(公告)号:US20090058363A1

    公开(公告)日:2009-03-05

    申请号:US12200510

    申请日:2008-08-28

    CPC classification number: H02M3/158

    Abstract: A DC-DC voltage down-converter for an electronic device supplied by a battery and having a bus interface for the interconnection with another electronic device capable of supplying electric power is provided. The DC-DC voltage down-converter includes a terminal coupled to a voltage supply line of the bus interface and operable to receive a input current from the another electronic device. The DC-DC voltage down-converter further includes an electric energy storage element coupled between the battery and the terminal, the electric energy storage element being operable to storage/release electric energy and a drive circuit arranged to control the storage/release of the electric energy storage element, so as to cause an electric power generated by the input current supplied by the another electronic device through the voltage supply line to re-charge the battery. The DC-DC voltage down-converter still further includes a input current feedback control circuit coupled to the terminal and arranged to monitor a value of the input current and generate a corresponding input current indication; the drive circuit configured to control the storage/release of the electric energy storage element according to the input current indication.

    Abstract translation: 提供一种用于由电池提供并具有用于与能够供电的另一电子设备的互连的总线接口的用于电子设备的DC-DC电压下变频器。 DC-DC电压下变频器包括耦合到总线接口的电压供应线并可操作以从另一电子设备接收输入电流的端子。 所述DC-DC电压下变频器还包括耦合在所述电池和所述端子之间的电能存储元件,所述电能存储元件可操作以存储/释放电能;以及驱动电路,所述驱动电路被布置成控制所述电力 从而通过电压供给线引起由另一电子装置供给的输入电流产生的电力,对电池进行再充电。 DC-DC电压下变频器还包括耦合到端子的输入电流反馈控制电路,并被布置成监视输入电流的值并产生相应的输入电流指示; 所述驱动电路被配置为根据所述输入电流指示来控制所述电能存储元件的存储/释放。

    Switching power supply source
    10.
    发明申请
    Switching power supply source 审中-公开
    开关电源

    公开(公告)号:US20070013348A1

    公开(公告)日:2007-01-18

    申请号:US11366081

    申请日:2006-03-02

    CPC classification number: H02M1/38 H03K17/165

    Abstract: A switching power supply source including an inductance with first and second terminals; an output node; an NMos transistor, the drain of which is connected to the first terminal; a PMos transistor, the drain of which is connected to the first terminal; a control device generating control signals for NMos and PMos transistors assuring that these transistors are not conducting simultaneously; a capacitor with a third terminal connected to the first terminal and a fourth terminal; a resistance with a fifth terminal connected to the fourth terminal and a sixth terminal; and an NMos transistor the drain of which is connected to the grid of the PMos transistor and the gate of which is connected to the fourth terminal.

    Abstract translation: 一种开关电源,包括具有第一和第二端子的电感; 输出节点; NMos晶体管,其漏极连接到第一端子; PMOS晶体管,其漏极连接到第一端子; 产生用于NMos和PMos晶体管的控制信号的控制装置,确保这些晶体管不同时导通; 电容器,其具有连接到所述第一端子的第三端子和第四端子; 具有连接到第四端子的第五端子和第六端子的电阻; 以及NMos晶体管,其漏极连接到PMos晶体管的栅极,栅极连接到第四端子。

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