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公开(公告)号：US09190986B1
公开(公告)日：2015-11-17
申请号：US14293489
申请日：2014-06-02
Applicant: QUALCOMM Incorporated
Inventor： Xinli Peng , Sandeep Chaman Dhar , Troy Stockstad
IPC: H03K3/01
CPC classification number: H05B33/0845 , H03K3/01 , H05B33/0809 , H05B33/0884
Abstract: A circuit for driving a load may include a control loop having a response characteristic. A headroom signal indicative of the headroom voltage of the circuit may set one or more parameters of the response characteristic. A load sign indicative of electrical loading on the circuit may further set the response characteristic.
Abstract translation: 用于驱动负载的电路可以包括具有响应特性的控制回路。 指示电路的净空电压的净空信号可以设置响应特性的一个或多个参数。 指示电路上的电负载的负载符号可以进一步设置响应特性。
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公开(公告)号：US20160037603A1
公开(公告)日：2016-02-04
申请号：US14883317
申请日：2015-10-14
Applicant: QUALCOMM Incorporated
Inventor： Xinli Peng , Sandeep Chaman Dhar , Troy Stockstad
IPC: H05B33/08
CPC classification number: H05B33/0845 , H03K3/01 , H05B33/0809 , H05B33/0884
Abstract: A circuit may include a control loop to regulate an output of the circuit and a headroom sensing circuit to produce a headroom sensing signal indicative of a headroom voltage of the circuit. The control loop may have a response characteristic that is set based on the headroom signal received from the headroom sensing circuit.
Abstract translation: 电路可以包括用于调节电路的输出的控制回路和净空感测电路，以产生指示电路的净空电压的净空感测信号。 控制回路可以具有基于从上行空间感测电路接收的净空信号而设定的响应特性。
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公开(公告)号：US20140266011A1
公开(公告)日：2014-09-18
申请号：US13841511
申请日：2013-03-15
Applicant: QUALCOMM INCORPORATED
Inventor： Narendra Singh Mehta , Chris M. Rosolowski , Sandeep Chaman Dhar , Todd R. Sutton
IPC: H02J7/00
CPC classification number: H02J7/0042 , H02J7/0055 , H02J2007/0059 , H02M3/1582 , H02M3/1584 , H02M2001/0067 , H02M2001/008
Abstract: An electronic device is described. The electronic device includes a first port. The electronic device also includes a second port. The electronic device further includes a multiphase charger. The multiphase charger includes a first buck. The multiphase charger also includes a second buck. The multiphase charger further includes a first port switch. The multiphase charger also includes a second port switch. The multiphase charger further includes a reverse boost switch. The multiphase charger also includes a multiphase switch.
Abstract translation: 描述电子设备。 电子设备包括第一端口。 电子设备还包括第二端口。 电子设备还包括多相充电器。 多相充电器包括第一降压。 多相充电器还包括第二降压。 多相充电器还包括第一端口开关。 多相充电器还包括第二端口开关。 多相充电器还包括反向升压开关。 多相充电器还包括多相开关。
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4.发明申请BOOST CONVERTER TOPOLOGY FOR HIGH EFFICIENCY AND LOW BATTERY VOLTAGE SUPPORT 有权用于高效率和低电压电压支持的升压转换器拓扑公开(公告)号：US20140210366A1
公开(公告)日：2014-07-31
申请号：US13752294
申请日：2013-01-28
Applicant: QUALCOMM Incorporated
Inventor： Narendra S. Mehta , Sandeep Chaman Dhar , Todd R. Sutton
CPC classification number: H02M3/158 , H05B33/0815 , H05B33/0842 , Y02B20/346
Abstract: A method and apparatus for a boost converter topology for low battery voltage support. In the method, an input voltage is boosted by closing first through third switches and then opening a fourth switch to charge a capacitor. The first and second switches are then opened. The voltage is then doubled by closing the third and fourth switches to discharge the first capacitor into a second capacitor and charging a third capacitor. A further embodiment provides an additional method for selectively boosting an input voltage to an electronic device. The method first characterizes the efficiency of a circuit, and then determines a crossover point for a ratio of output voltage to input voltage, and then enabling or disabling a voltage boost converter based on the crossover point.
Abstract translation: 一种用于低电池电压支持的升压转换器拓扑的方法和装置。 在该方法中，通过关闭第一至第三开关然后打开第四开关来对电容器充电，来提高输入电压。 然后打开第一和第二开关。 然后通过闭合第三和第四开关来将电压加倍，以将第一电容器放电到第二电容器中并对第三电容器充电。 另一实施例提供了用于选择性地将输入电压升压到电子设备的附加方法。 该方法首先表征电路的效率，然后确定输出电压与输入电压的比率的交叉点，然后基于交叉点启用或禁用升压转换器。
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公开(公告)号：US09344022B2
公开(公告)日：2016-05-17
申请号：US14024359
申请日：2013-09-11
Applicant: QUALCOMM Incorporated
Inventor： Qadeer A Khan , Sandeep Chaman Dhar , Joshua A Zazzera , Todd R Sutton
CPC classification number: H02P6/182 , H02P6/153 , H02P25/032 , H02P29/032
Abstract: The present disclosure includes circuits and methods for driving resonant actuators. In one embodiment, a drive signal is applied to an actuator during a portion of a plurality of half cycles of a period of the drive signal. The actuator has a resonant frequency and may vibrate in response to the drive signal. An induced voltage is generated on terminals of the actuator in response to the vibration. A detection circuit may detect when the induced voltage on the actuator crosses a threshold after the drive signal is turned off. The drive signal may be triggered based on when the induced voltage crosses the threshold to align a frequency and phase of the drive signal with the resonant frequency and a phase of the actuator.
Abstract translation: 本公开包括用于驱动谐振致动器的电路和方法。 在一个实施例中，在驱动信号的周期的多个半周期的一部分期间，将驱动信号施加到致动器。 致动器具有谐振频率并且可以响应于驱动信号而振动。 响应于振动，在致动器的端子上产生感应电压。 检测电路可以在驱动信号关闭之后检测致动器上的感应电压何时超过阈值。 可以基于感应电压何时超过阈值来触发驱动信号，以将驱动信号的频率和相位与谐振频率和致动器的相位对准。
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Patent Agency Ranking
公开(公告)号：US20150349752A1
公开(公告)日：2015-12-03
申请号：US14293489
申请日：2014-06-02
Applicant: QUALCOMM Incorporated
Inventor： Xinli Peng , Sandeep Chaman Dhar , Troy Stockstad
IPC: H03K3/01
CPC classification number: H05B33/0845 , H03K3/01 , H05B33/0809 , H05B33/0884
Abstract: A circuit for driving a load may include a control loop having a response characteristic. A headroom signal indicative of the headroom voltage of the circuit may set one or more parameters of the response characteristic. A load sign indicative of electrical loading on the circuit may further set the response characteristic.
Abstract translation: 用于驱动负载的电路可以包括具有响应特性的控制回路。 指示电路的净空电压的净空信号可以设置响应特性的一个或多个参数。 指示电路上的电负载的负载符号可以进一步设置响应特性。
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7.发明授权Boost converter topology for high efficiency and low battery voltage support 有权升压转换器拓扑，用于高效率和低电池电压支持公开(公告)号：US09197129B2
公开(公告)日：2015-11-24
申请号：US13752294
申请日：2013-01-28
Applicant: QUALCOMM Incorporated
Inventor： Narendra S Mehta , Sandeep Chaman Dhar , Todd R Sutton
CPC classification number: H02M3/158 , H05B33/0815 , H05B33/0842 , Y02B20/346
Abstract: A method and apparatus for a boost converter topology for low battery voltage support. In the method, an input voltage is boosted by closing first through third switches and then opening a fourth switch to charge a capacitor. The first and second switches are then opened. The voltage is then doubled by closing the third and fourth switches to discharge the first capacitor into a second capacitor and charging a third capacitor. A further embodiment provides an additional method for selectively boosting an input voltage to an electronic device. The method first characterizes the efficiency of a circuit, and then determines a crossover point for a ratio of output voltage to input voltage, and then enabling or disabling a voltage boost converter based on the crossover point.
Abstract translation: 一种用于低电池电压支持的升压转换器拓扑的方法和装置。 在该方法中，通过关闭第一至第三开关然后打开第四开关来对电容器充电，来提高输入电压。 然后打开第一和第二开关。 然后通过闭合第三和第四开关来将电压加倍，以将第一电容器放电到第二电容器中并对第三电容器充电。 另一实施例提供了用于选择性地将输入电压升压到电子设备的附加方法。 该方法首先表征电路的效率，然后确定输出电压与输入电压的比率的交叉点，然后基于交叉点启用或禁用升压转换器。
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公开(公告)号：US09635724B2
公开(公告)日：2017-04-25
申请号：US14883317
申请日：2015-10-14
Applicant: QUALCOMM Incorporated
Inventor： Xinli Peng , Sandeep Chaman Dhar , Troy Stockstad
CPC classification number: H05B33/0845 , H03K3/01 , H05B33/0809 , H05B33/0884
Abstract: A circuit may include a control loop to regulate an output of the circuit and a headroom sensing circuit to produce a headroom sensing signal indicative of a headroom voltage of the circuit. The control loop may have a response characteristic that is set based on the headroom signal received from the headroom sensing circuit.
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公开(公告)号：US09219369B2
公开(公告)日：2015-12-22
申请号：US13841511
申请日：2013-03-15
Applicant: QUALCOMM Incorporated
Inventor： Narendra Singh Mehta , Chris M Rosolowski , Sandeep Chaman Dhar , Todd R Sutton
CPC classification number: H02J7/0042 , H02J7/0055 , H02J2007/0059 , H02M3/1582 , H02M3/1584 , H02M2001/0067 , H02M2001/008
Abstract: An electronic device is described. The electronic device includes a first port. The electronic device also includes a second port. The electronic device further includes a multiphase charger. The multiphase charger includes a first buck. The multiphase charger also includes a second buck. The multiphase charger further includes a first port switch. The multiphase charger also includes a second port switch. The multiphase charger further includes a reverse boost switch. The multiphase charger also includes a multiphase switch.
Abstract translation: 描述电子设备。 电子设备包括第一端口。 电子设备还包括第二端口。 电子设备还包括多相充电器。 多相充电器包括第一降压。 多相充电器还包括第二降压。 多相充电器还包括第一端口开关。 多相充电器还包括一个第二端口开关。 多相充电器还包括反向升压开关。 多相充电器还包括多相开关。
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公开(公告)号：US20150069939A1
公开(公告)日：2015-03-12
申请号：US14024359
申请日：2013-09-11
Applicant: QUALCOMM Incorporated
Inventor： Qadeer A. Khan , Sandeep Chaman Dhar , Joshua A. Zazzera , Todd R. Sutton
CPC classification number: H02P6/182 , H02P6/153 , H02P25/032 , H02P29/032
Abstract: The present disclosure includes circuits and methods for driving resonant actuators. In one embodiment, a drive signal is applied to an actuator during a portion of a plurality of half cycles of a period of the drive signal. The actuator has a resonant frequency and may vibrate in response to the drive signal. An induced voltage is generated on terminals of the actuator in response to the vibration. A detection circuit may detect when the induced voltage on the actuator crosses a threshold after the drive signal is turned off. The drive signal may be triggered based on when the induced voltage crosses the threshold to align a frequency and phase of the drive signal with the resonant frequency and a phase of the actuator.
Abstract translation: 本公开包括用于驱动谐振致动器的电路和方法。 在一个实施例中，在驱动信号的周期的多个半周期的一部分期间，将驱动信号施加到致动器。 致动器具有谐振频率并且可以响应于驱动信号而振动。 响应于振动，在致动器的端子上产生感应电压。 检测电路可以在驱动信号关闭之后检测致动器上的感应电压何时超过阈值。 可以基于感应电压何时超过阈值来触发驱动信号，以将驱动信号的频率和相位与谐振频率和致动器的相位对准。
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