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1. 发明申请

US20070075684A1 Battery charge/discharge control circuit 有权
标题翻译：电池充放电控制电路
公开(公告)号：US20070075684A1
公开(公告)日：2007-04-05
申请号：US11508865
申请日：2006-08-22
申请人： Shiqiang Liu , Sean Xiao , Guoxing Li , Liusheng Liu
发明人： Shiqiang Liu , Sean Xiao , Guoxing Li , Liusheng Liu
IPC分类号： H02J7/00
CPC分类号： H02J7/0068 , H02J7/0031
摘要： A circuit is used for controlling charging and discharging a battery. The circuit comprises a first MOSFET for controlling discharging the battery, and a second MOSFET coupled in series to the battery and the first MOSFET for controlling charging the battery. The first and second MOSFETs have body diodes respectively, and the first body diode of the first MOSFET and the second body diode of the second MOSFET are coupled in opposite directions. A load is coupled to the battery and a common node between the first and second MOSFETs such that power in the battery is delivered to said load when the first MOSFET is turned on. The circuit further comprises a power source coupled to the second switch in series and power is delivered from the power source to the battery when the first and second MOSFETs are turned on.
摘要翻译：电路用于控制电池的充放电。电路包括用于控制对电池放电的第一MOSFET和与电池串联耦合的第二MOSFET和用于控制对电池充电的第一MOSFET。第一和第二MOSFET分别具有体二极管，第一MOSFET的第一体二极管和第二MOSFET的第二体二极管以相反的方向耦合。负载耦合到电池和第一和第二MOSFET之间的公共节点，使得当第一MOSFET导通时，电池中的电力被传送到所述负载。电路还包括串联耦合到第二开关的电源，并且当第一和第二MOSFET导通时，电力从电源传送到电池。

2. 发明授权

US07701177B2 Battery pre-charging circuit comprising normal voltage and low voltage pre-charging circuits 有权
标题翻译：电池预充电电路包括正常电压和低压预充电电路
公开(公告)号：US07701177B2
公开(公告)日：2010-04-20
申请号：US11644314
申请日：2006-12-21
申请人： Shiqiang Liu , Guoxing Li , Sean Xiao , Liusheng Liu
发明人： Shiqiang Liu , Guoxing Li , Sean Xiao , Liusheng Liu
IPC分类号： H02J7/04 , H02J7/16 , H02J7/00
CPC分类号： H02J7/0075 , H01M10/44
摘要： A battery pre-charging circuit includes a pre-charging path, a pre-charging switch and a low-voltage pre-charging circuit. The pre-charging path is coupled between a charger and a battery for providing a pre-charging current from the charger to the battery. The pre-charging switch is coupled to the pre-charging path for conducting along the pre-charging path. The low-voltage pre-charging circuit is coupled to the pre-charging switch for controlling the pre-charging switch. The low-voltage pre-charging circuit is configured to switch on the pre-charging switch when the battery voltage is below a first battery voltage level.
摘要翻译：电池预充电电路包括预充电路径，预充电开关和低压预充电电路。预充电路径耦合在充电器和电池之间，用于提供从充电器到电池的预充电电流。预充电开关耦合到预充电路径以沿预充电路径导通。低压预充电电路耦合到预充电开关，用于控制预充电开关。低电压预充电电路被配置为当电池电压低于第一电池电压电平时接通预充电开关。

3. 发明申请

US20080150487A1 Battery pre-charging circuit 有权
标题翻译：电池预充电电路
公开(公告)号：US20080150487A1
公开(公告)日：2008-06-26
申请号：US11644314
申请日：2006-12-21
申请人： Shiqiang Liu , Guoxing Li , Sean Xiao , Liusheng Liu
发明人： Shiqiang Liu , Guoxing Li , Sean Xiao , Liusheng Liu
IPC分类号： H02J7/00
CPC分类号： H02J7/0075 , H01M10/44
摘要： A battery pre-charging circuit. The pre-charging circuit comprises a pre-charging path, a pre-charging switch and a low-voltage pre-charging circuit. The pre-charging path is coupled between a charger and a battery for providing a pre-charging current from the charger to the battery. The pre-charging switch is coupled to the pre-charging path for conducting along the pre-charging path. The low-voltage pre-charging circuit coupled to the pre-charging switch for controlling the pre-charging switch. The low-voltage pre-charging circuit is configured to switch on the pre-charging switch when a battery voltage over the battery is below a first battery voltage level.
摘要翻译：电池预充电电路。预充电电路包括预充电路径，预充电开关和低压预充电电路。预充电路径耦合在充电器和电池之间，用于提供从充电器到电池的预充电电流。预充电开关耦合到预充电路径以沿预充电路径导通。耦合到用于控制预充电开关的预充电开关的低电压预充电电路。当电池电压低于第一电池电压电平时，低电压预充电电路被配置为接通预充电开关。

4. 发明申请

US20070188950A1 Protection device for non-common ground buses 有权
标题翻译：非共用地面总线保护装置
公开(公告)号：US20070188950A1
公开(公告)日：2007-08-16
申请号：US11645985
申请日：2006-12-27
申请人： Liusheng Liu , Guoxing Li , Shiqiang Liu , Sean Xiao
发明人： Liusheng Liu , Guoxing Li , Shiqiang Liu , Sean Xiao
IPC分类号： H02H9/00
CPC分类号： H02H7/18 , H02H9/001 , Y10T307/724 , Y10T307/729 , Y10T307/735
摘要： A protection device for non-common ground buses is disclosed. The protection circuit includes a controller, a level shifter, a first group of switches, and a second group of switches. The controller together with the level shifter controls the first group and second group of switches. The non-common ground buses will be isolated when at least one group of the switches are turned off in an abnormal condition.
摘要翻译：公开了一种用于非公共地面总线的保护装置。保护电路包括控制器，电平转换器，第一组开关和第二组开关。控制器与电平转换器一起控制第一组和第二组开关。当异常情况下至少有一组开关断开时，非公共地面总线将被隔离。

5. 发明授权

US07642750B2 Battery charge/discharge control circuit 有权
标题翻译：电池充放电控制电路
公开(公告)号：US07642750B2
公开(公告)日：2010-01-05
申请号：US11508865
申请日：2006-08-22
申请人： Shiqiang Liu , Sean Xiao , Guoxing Li , Liusheng Liu
发明人： Shiqiang Liu , Sean Xiao , Guoxing Li , Liusheng Liu
IPC分类号： H02J7/00 , H02J7/04
CPC分类号： H02J7/0068 , H02J7/0031
摘要： A circuit is used for controlling charging and discharging a battery. The circuit comprises a first MOSFET for controlling discharging the battery, and a second MOSFET coupled in series to the battery and the first MOSFET for controlling charging the battery. The first and second MOSFETs have body diodes respectively, and the first body diode of the first MOSFET and the second body diode of the second MOSFET are coupled in opposite directions. A load is coupled to the battery and a common node between the first and second MOSFETs such that power in the battery is delivered to said load when the first MOSFET is turned on. The circuit further comprises a power source coupled to the second switch in series and power is delivered from the power source to the battery when the first and second MOSFETs are turned on.
摘要翻译：电路用于控制电池的充放电。电路包括用于控制对电池放电的第一MOSFET和与电池串联耦合的第二MOSFET和用于控制对电池充电的第一MOSFET。第一和第二MOSFET分别具有体二极管，第一MOSFET的第一体二极管和第二MOSFET的第二体二极管以相反的方向耦合。负载耦合到电池和第一和第二MOSFET之间的公共节点，使得当第一MOSFET导通时，电池中的电力被传送到所述负载。电路还包括串联耦合到第二开关的电源，并且当第一和第二MOSFET导通时，电力从电源传送到电池。

6. 发明申请

US20070257642A1 Battery cell monitoring and balancing circuit 审中-公开
标题翻译：电池单元监控和平衡电路
公开(公告)号：US20070257642A1
公开(公告)日：2007-11-08
申请号：US11789530
申请日：2007-04-24
申请人： Sean Xiao , Kevin Sheng , Guoxing Li , Liusheng Liu
发明人： Sean Xiao , Kevin Sheng , Guoxing Li , Liusheng Liu
IPC分类号： H02J7/00
CPC分类号： H02J7/0026
摘要： A monitoring circuit for monitoring a plurality of battery cells of a battery pack includes a plurality of temperature sensors, an analog to digital converter (ADC) and a processor. The plurality of temperature sensors is used for sensing temperatures of the plurality of battery cells and outputting a plurality of analog temperature voltage signals representative of the temperature of the plurality of battery cells. The analog to digital converter (ADC) is adapted to receive the plurality of analog temperature voltage signals and to convert each of the plurality of analog temperature voltage signals to a plurality of individual digital signals. The processor is adapted to generate an alert signal when an individual digital signal is not within a predetermined range.
摘要翻译：用于监测电池组的多个电池单元的监视电路包括多个温度传感器，模数转换器（ADC）和处理器。多个温度传感器用于感测多个电池单元的温度，并且输出表示多个电池单元的温度的多个模拟温度电压信号。模数转换器（ADC）适于接收多个模拟温度电压信号，并将多个模拟温度电压信号中的每一个转换成多个独立的数字信号。当单个数字信号不在预定范围内时，处理器适于产生报警信号。

7. 发明授权

US07629771B2 Protection device for non-common ground buses 有权
标题翻译：非共用地面总线保护装置
公开(公告)号：US07629771B2
公开(公告)日：2009-12-08
申请号：US11645985
申请日：2006-12-27
申请人： Guoxing Li , Shiqiang Liu , Sean Xiao
发明人： Guoxing Li , Shiqiang Liu , Sean Xiao
IPC分类号： H02J7/00 , H02J1/00 , H02J3/00 , H02H3/20 , H02H3/24
CPC分类号： H02H7/18 , H02H9/001 , Y10T307/724 , Y10T307/729 , Y10T307/735
摘要： A protection device for non-common ground buses is disclosed. The protection circuit includes a controller, a level shifter, a first group of switches, and a second group of switches. The controller together with the level shifter controls the first group and second group of switches. The non-common ground buses will be isolated when at least one group of the switches are turned off in an abnormal condition.
摘要翻译：公开了一种用于非公共地面总线的保护装置。保护电路包括控制器，电平移位器，第一组开关和第二组开关。控制器与电平转换器一起控制第一组和第二组开关。当异常情况下至少有一组开关断开时，非公共地面总线将被隔离。

8. 发明申请

US20100188046A1 BATTERY CELL MONITORING AND BALANCING CIRCUIT 有权
标题翻译：电池监测和平衡电路
公开(公告)号：US20100188046A1
公开(公告)日：2010-07-29
申请号：US12759614
申请日：2010-04-13
申请人： Liusheng Liu , Guoxing Li
发明人： Liusheng Liu , Guoxing Li
IPC分类号： H02J7/00 , G01R31/36
CPC分类号： H01M10/441 , H02J7/0018 , Y02E60/12
摘要： A monitoring circuit for accurately monitoring a voltage level from each of a plurality of battery cells of a battery pack includes an analog to digital converter (ADC) and a processor. The ADC is configured to accept an analog voltage signal from each of the plurality of battery cells and convert each analog voltage signal to a digital signal representative of an accurate voltage level of each battery cell. The processor receives such signals and provides a safety alert signal based on at least one of the signals. The ADC resolution may be adjustable. A balancing circuit provides a balancing signal if at least two of the digital signals indicate a voltage difference between two cells is greater than a battery cell balance threshold. An electronic device including such monitoring and balancing circuits is also provided. Various methods are also provided.
摘要翻译：用于从电池组的多个电池单元中的每一个精确地监测电压电平的监视电路包括模数转换器（ADC）和处理器。 ADC被配置为接受来自多个电池单元中的每一个的模拟电压信号，并且将每个模拟电压信号转换为表示每个电池单元的精确电压电平的数字信号。处理器接收这样的信号，并且基于至少一个信号提供安全警报信号。 ADC分辨率可能是可调的。如果至少两个数字信号表示两个电池之间的电压差大于电池单元平衡阈值，则平衡电路提供平衡信号。还提供了包括这种监视和平衡电路的电子设备。还提供了各种方法。

9. 发明授权

US07589499B2 Over voltage transient controller 失效
标题翻译：过电压瞬变控制器
公开(公告)号：US07589499B2
公开(公告)日：2009-09-15
申请号：US10832620
申请日：2004-04-27
申请人： Bruce S. Denning , Guoxing Li , Liusheng Liu
发明人： Bruce S. Denning , Guoxing Li , Liusheng Liu
IPC分类号： H02J7/00 , H02J7/04
CPC分类号： H02J7/0075 , H02J7/0031
摘要： An over voltage transient controller to protect a rechargeable battery from an over voltage transient condition. The over voltage transient controller may comprise a comparator to compare a first signal with a second signal representative of a reference voltage level and to provide an output signal representative of an over voltage transient condition to a switch if the first signal is greater than or equal to the second signal. The switch is responsive to the output signal to protect the rechargeable battery from the over voltage transient condition. The over voltage transient controller may further comprise a DAC, wherein the second signal is based, at least in part, on an output of the DAC. An apparatus comprising a charge switch and such an over voltage transient controller is also provided.
摘要翻译：一个过电压瞬态控制器，用于保护充电电池免受过电压瞬态。过电压瞬变控制器可以包括比较器，用于将第一信号与表示参考电压电平的第二信号进行比较，并且如果第一信号大于或等于，则向开关提供表示过电压瞬变状态的输出信号第二个信号。开关响应于输出信号，以保护可充电电池免受过电压瞬态。过电压瞬变控制器还可以包括DAC，其中第二信号至少部分地基于DAC的输出。还提供了一种包括充电开关和这种过电压瞬变控制器的装置。

10. 发明授权

US06924667B2 Level shifting and level-shifting amplifier circuits 失效
公开(公告)号：US06924667B2
公开(公告)日：2005-08-02
申请号：US10200006
申请日：2002-07-19
申请人： Liusheng Liu , Guoxing Li
发明人： Liusheng Liu , Guoxing Li
IPC分类号： H03K19/0185 , H03K19/0175
CPC分类号： H03K19/018528
摘要： Level shifting and amplified level shifting circuit topologies are provided that include two or more level shifting or amplified level shifting circuits. The level shifting circuits receive a variable and fixed input and generate a variable and fixed output that are level shifted with respect to the input signals. The amplified level shifting circuits receive a variable and fixed input and generate a variable and fixed output that are level shifted and amplified with respect to the input signals. These circuits may be utilized to form a detection circuit that detects a difference in the output signals.

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