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    Monitoring and control of power supply functions using a microcontroller
    1.
    发明授权
    Monitoring and control of power supply functions using a microcontroller 失效
    使用微控制器监控和控制电源功能

    公开(公告)号：US5481730A

    公开(公告)日：1996-01-02

    申请号：US825399

    申请日：1992-01-24

    申请人： Alan E. Brown ,  David S. Lin

    发明人： Alan E. Brown ,  David S. Lin

    IPC分类号： G06F1/26 ,  G06F1/00 ,  G06F1/02

    CPC分类号： G06F1/26 ,  Y10T307/549 ,  Y10T307/625

    摘要： A power supply monitoring and control circuit using a microcontroller to remotely monitor and control the functions and conditions of a power supply. The power supply monitoring and control circuit is coupled to the primary and secondary sides of a power supply to monitor important voltage and current signals of the power supply, such as the output voltages and currents, and to control the various parameters of the power supply such as the output voltage and current limits. Analog to digital interface circuitry is provided to convert the power supply voltage and current signals to digital signals which are retrieved by a microcontroller which converts the digital signals to numbers representing the values of the power supply signals, and then stores the numbers. The microcontroller is also interfaced to reference and feedback signals of the power supply to control the power supply's operation. The microcontroller further keeps track of the total elapsed time of operation and the total number of times the power supply has been powered up. The power supply monitoring and control circuit operates as a slave to a host computer system so that a system operator can retrieve all of the monitored information and can control the operation of power supply. The host computer system communicates with the power supply monitoring and control circuit through a serial link, so that the host computer can be remotely located. The present invention also provides self-calibration to assure accurate data.

    摘要翻译： 电源监控电路采用微控制器远程监控和控制电源的功能和状况。 电源监视和控制电路耦合到电源的一侧和二侧，以监测电源的重要电压和电流信号，例如输出电压和电流，并且控制电源的各种参数，例如 作为输出电压和电流限制。 提供模拟数字接口电路以将电源电压和电流信号转换成由微控制器检索的数字信号，微控制器将数字信号转换成表示电源信号值的数字，然后存储数字。 微控制器还连接到电源的参考和反馈信号以控制电源的操作。 微控制器进一步跟踪操作的总经过时间和电源已经通电的总次数。 电源监视和控制电路作为主计算机系统的从设备操作，以便系统操作员可以检索所有被监视的信息并且可以控制电源的操作。 主计算机系统通过串行链路与电源监控电路进行通信，使得主机可以远程定位。 本发明还提供自校准以确保准确的数据。

    Battery pack including static memory and a timer for charge management
    3.
    发明授权
    Battery pack including static memory and a timer for charge management 失效
    电池组包括静电记忆和充电管理定时器

    公开(公告)号：US5514946A

    公开(公告)日：1996-05-07

    申请号：US33821

    申请日：1993-03-19

    申请人： David S. Lin ,  Michael E. Schneider

    发明人： David S. Lin ,  Michael E. Schneider

    IPC分类号： G01R31/36 ,  G06F1/26 ,  H02J7/00 ,  H02J7/04 ,  H01M10/44

    CPC分类号： G06F1/263 ,  G01R31/3655 ,  H02J7/0004 ,  H02J7/0077 ,  Y10S320/21

    摘要： A battery pack for a computer system including static memory to maintain battery operating parameters and charge information, a real time clock (RTC) for measuring periods of non-use of the battery and a communication circuit to exchange the battery information with a microcontroller located in the computer system. The static memory, RTC and communication circuit is preferably in the form of a single RAM/RTC chip. The battery pack also includes circuitry to maintain power to the RAM/RTC from the battery if AC power is not available. The microcontroller detects the presence of the battery and retrieves the present time from the RTC, a timestamp indicating time or removal of the battery and other operating parameters and charge information from the battery pack, and controls the charging functions of the battery accordingly. The microcontroller also updates the charge information of the battery pack while performing other housekeeping functions of a DC--DC converter. The microcontroller further controls a switch located in the charge path of the battery to control fast charging. Trickle charge is simulated by pulsing the switch at a predetermined duty cycle and period. The microcontroller may be placed in standby to conserve energy, while also monitoring the standby switch to pull the computer system out of standby mode if the standby switch is pressed. This allows the keyboard controller to be shut off during standby mode to conserve energy.

    摘要翻译： 一种用于计算机系统的电池组，包括用于维持电池工作参数和充电信息的静态存储器，用于测量不使用电池的周期的实时时钟（RTC）和用于与位于 计算机系统。 静态存储器，RTC和通信电路优选地是单个RAM / RTC芯片的形式。 如果电源不可用，电池组还包括电池，以便从电池维持RAM / RTC的电源。 微控制器检测电池的存在并从RTC检索当前时间，指示电池的时间或时间戳，以及其他操作参数和电池组的充电信息，并相应地控制电池的充电功能。 微控制器还在执行DC-DC转换器的其他管理功能的同时更新电池组的电荷信息。 微控制器进一步控制位于电池充电路径中的开关以控制快速充电。 通过以预定的占空比和周期脉冲开关来模拟涓流充电。 如果按下待机开关，微控制器可以被置于待机状态以节省能量，同时还监视备用开关以将计算机系统拉出待机模式。 这样可以在待机模式下关闭键盘控制器以节省能源。

    Pulse charge technique to trickle charge a rechargeable battery
    4.
    发明授权
    Pulse charge technique to trickle charge a rechargeable battery 失效
    脉冲充电技术涓流充电可充电电池

    公开(公告)号：US5539298A

    公开(公告)日：1996-07-23

    申请号：US33869

    申请日：1993-03-19

    申请人： Dean P. Perkins ,  David S. Lin ,  Michael E. Schneider

    发明人： Dean P. Perkins ,  David S. Lin ,  Michael E. Schneider

    IPC分类号： H02J7/00 ,  H02J7/04

    CPC分类号： H02J7/0093 ,  H02J7/0004

    摘要： A battery pack for a computer system including static memory to maintain battery operating parameters and charge information, a real time clock (RTC) for measuring periods of non-use of the battery and a communication means to exchange the battery information with a microcontroller located in the computer system. The static memory, RTC and communication means is preferably in the form of a single RAM/RTC chip. The battery pack also includes circuitry to maintain power to the RAM/RTC from the battery if AC power is not available. The microcontroller detects the presence of the battery and retrieves the present time from the RTC, a timestamp indicating time or removal of the battery and other operating parameters and charge information from the battery pack, and controls the charging functions of the battery accordingly. The microcontroller also updates the charge information of the battery pack while performing other housekeeping functions of a DC-DC converter. The microcontroller further controls a switch located in the charge path of the battery to control fast charging. Trickle charge is simulated by pulsing the switch at a predetermined duty cycle and period. The microcontroller may be placed in standby to conserve energy, while also monitoring the standby switch to pull the computer system out of standby mode if the standby switch is pressed. This allows the keyboard controller 21 to be shut off during standby mode to conserve energy.

    摘要翻译： 一种用于计算机系统的电池组，包括用于维持电池工作参数和充电信息的静态存储器，用于测量不使用电池的时间段的实时时钟（RTC）和用于将电池信息与位于 计算机系统。 静态存储器，RTC和通信装置优选地是单个RAM / RTC芯片的形式。 如果电源不可用，电池组还包括电池，以便从电池维持RAM / RTC的电源。 微控制器检测电池的存在并从RTC检索当前时间，指示电池的时间或时间戳，以及其他操作参数和电池组的充电信息，并相应地控制电池的充电功能。 微控制器还在执行DC-DC转换器的其他管理功能的同时更新电池组的电荷信息。 微控制器进一步控制位于电池充电路径中的开关以控制快速充电。 通过以预定的占空比和周期脉冲开关来模拟涓流充电。 如果按下待机开关，微控制器可以被置于待机状态以节省能量，同时还监视备用开关以将计算机系统拉出待机模式。 这允许在待机模式期间关闭键盘控制器21以节省能量。