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公开(公告)号：US08378635B2
公开(公告)日：2013-02-19
申请号：US12004998
申请日：2007-12-20
申请人： Toshiyuki Koike , Atsushi Sakurai , Kazuaki Sano
发明人： Toshiyuki Koike , Atsushi Sakurai , Kazuaki Sano
IPC分类号： H02J7/00
CPC分类号： H02J7/0031 , H02J2007/0037
摘要： Provided are a semiconductor device and a rechargeable power supply unit which are capable of accurately detecting an overcharge state of a battery even in a case where the battery is charged with a sine wave charger. In a case where a ½ cycle of a charging voltage of the sine wave charger is shorter than a delay time for cancellation of an overdischarge state, when it is detected that a voltage of the battery in the overdischarge state exceeds an overdischarge detection voltage and becomes equal to or higher than an overcharge detection voltage, a delay circuit sets the delay time for cancellation of the overdischarge state to 0 seconds.
摘要翻译： 提供了即使在电池被正弦波充电器充电的情况下也能够精确地检测电池的过充电状态的半导体器件和可再充电电源单元。 在正弦波充电器的充电电压的1/2周期短于用于消除过放电状态的延迟时间的情况下，当检测到过放电状态的电池的电压超过过放电检测电压并变为 等于或高于过充电检测电压，延迟电路将用于消除过放电状态的延迟时间设置为0秒。
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公开(公告)号：US07791315B2
公开(公告)日：2010-09-07
申请号：US12005000
申请日：2007-12-20
申请人： Atsushi Sakurai , Kazuaki Sano , Toshiyuki Koike
发明人： Atsushi Sakurai , Kazuaki Sano , Toshiyuki Koike
IPC分类号： H02J7/00
CPC分类号： H02J7/0034 , H02J2007/0037 , H02J2007/0039 , H02J2007/004
摘要： An object of the present invention is to provide a battery state monitoring circuit and a battery device which are capable of normally operating when a charger (301) is connected to an opposite polarity in error, and then correctly connected. In the case where the charger (301) is connected to the opposite polarity in error and then correctly connected, a logic circuit (305) does not output a power-down signal that powers down the respective circuits to the respective circuits by the aid of a power-down preventing circuit (110). As a result, the battery device normally operates without falling into the power-down state.
摘要翻译： 本发明的目的是提供一种电池状态监测电路和电池装置，当充电器（301）错误地连接到相反极性时，能够正常工作，然后正确连接。 在充电器（301）错误地连接相反极性然后正确连接的情况下，逻辑电路（305）不输出掉电信号，借助于下述方式将相应电路断电到各个电路 断电防止电路（110）。 结果，电池装置通常在不掉电的状态下工作。
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公开(公告)号：US20090179617A1
公开(公告)日：2009-07-16
申请号：US12327097
申请日：2008-12-03
IPC分类号： H02J7/04
CPC分类号： H01M10/482 , H01M10/425
摘要： Provided is a battery state monitoring circuit for manufacturing a battery device at low cost, and a battery device including the same. A charge control transistor and a discharge control transistor are structured so as to be operated based on a low-level signal which is based on a ground voltage (VSS) and a high-level signal which is based on a voltage of a voltage regulator, which is lower than a power supply voltage (VDD) based on a voltage of a battery, respectively. Accordingly, in the charge control transistor and the discharge control transistor, voltages applied to gates thereof become low, whereby a low-breakdown-voltage element can be used. This leads to a reduction in cost for the charge control transistor and the discharge control transistor, leading to a reduction in manufacturing cost for the battery device.
摘要翻译： 提供了一种用于以低成本制造电池装置的电池状态监视电路，以及包括该电池状态监视电路的电池装置。 电荷控制晶体管和放电控制晶体管被构造成基于基于接地电压（VSS）的低电平信号和基于电压调节器的电压的高电平信号而被操作， 其分别低于基于电池电压的电源电压（VDD）。 因此，在充电控制晶体管和放电控制晶体管中，施加到其栅极的电压变低，从而可以使用低击穿电压元件。 这导致电荷控制晶体管和放电控制晶体管的成本降低，导致电池装置的制造成本降低。
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公开(公告)号：US20120056593A1
公开(公告)日：2012-03-08
申请号：US13209671
申请日：2011-08-15
IPC分类号： H02J7/00
CPC分类号： H02J7/0034
摘要： Provided is a battery device including, in a charge/discharge protection circuit for controlling charge/discharge of a secondary battery by a single bidirectionally conductive field effect transistor, a charge/discharge control circuit with which the layout area is reduced and a leakage current of the bidirectionally conductive field effect transistor is reduced to perform stable operation. The charge/discharge control circuit includes: a switch circuit for controlling a gate of the bidirectionally conductive field effect transistor based on an output of a control circuit for controlling the charge/discharge of the secondary battery; and two Schottky barrier diodes for preventing back-flow of a charge current and a discharge current. The first Schottky barrier diode has a cathode connected to a drain of the bidirectionally conductive field effect transistor, and the second Schottky barrier diode has a cathode connected to a source of the bidirectionally conductive field effect transistor.
摘要翻译： 本发明提供一种电池装置，其特征在于，在通过一个双向导电场效应晶体管控制二次电池的充放电的充放电保护电路中，布置面积减小的充放电控制电路和泄漏电流 双向导电场效应晶体管被降低以执行稳定的操作。 充放电控制电路包括：开关电路，用于基于用于控制二次电池的充电/放电的控制电路的输出来控制双向传导场效应晶体管的栅极; 和两个用于防止充电电流和放电电流反向流动的肖特基势垒二极管。 第一肖特基势垒二极管具有连接到双向传导场效应晶体管的漏极的阴极，并且第二肖特基势垒二极管具有连接到双向传导场效应晶体管的源极的阴极。
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5.发明授权公开(公告)号：US07923968B2
公开(公告)日：2011-04-12
申请号：US12231261
申请日：2008-08-28
IPC分类号： H02J7/00
CPC分类号： H01M10/48 , H01M10/052 , H01M10/425 , H01M10/44 , H02J7/0031 , H02J7/0073 , H02J7/0093 , H02J2007/0037
摘要： A charge and discharge control circuit which accommodates pulsed charge and pulsed discharge and can control charge and discharge of a secondary battery with safety, and a rechargeable power supply device having the same built therein are provided. The charge and discharge control circuit includes a delay time switching circuit for shortening a delay time of overcharge detection after charge inhibition is canceled. When overcharge is detected after the charge inhibition is canceled, the charge is inhibited in a delay time which is shorter than a normal delay time of the overcharge detection.
摘要翻译： 一种充电和放电控制电路，其容纳脉冲电荷和脉冲放电，并且可以安全地控制二次电池的充电和放电，并且提供具有内置的二次电池的可再充电电源装置。 充放电控制电路包括延迟时间切换电路，用于在消除电荷禁止之后缩短过充电检测的延迟时间。 当在禁止充电禁止之后检测到过充电时，在比过充电检测的正常延迟时间短的延迟时间内禁止充电。
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6.发明授权公开(公告)号：US07737663B2
公开(公告)日：2010-06-15
申请号：US11835027
申请日：2007-08-07
申请人： Atsushi Sakurai , Kazuaki Sano , Toshiyuki Koike
发明人： Atsushi Sakurai , Kazuaki Sano , Toshiyuki Koike
IPC分类号： H02J7/00
CPC分类号： H02J7/0031 , H02J2007/0039
摘要： Provided is a charging and discharging protection circuit realizing low current consumption in an overcurrent detection state, easy calculation of an automatic return impedance, and high usability. A pull-down circuit for pulling down an overcurrent detection terminal to a VSS terminal is connected in series between the overcurrent detection terminal and a switching circuit. The switching circuit is connected in series between the pull-down circuit and the VSS terminal.
摘要翻译： 提供一种充电和放电保护电路，其在过电流检测状态下实现低电流消耗，容易计算自动返回阻抗，并且具有高可用性。 用于将过电流检测端子下拉到VSS端子的下拉电路串联连接在过电流检测端子和开关电路之间。 开关电路串联在下拉电路和VSS端子之间。
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7.发明申请公开(公告)号：US20090079395A1
公开(公告)日：2009-03-26
申请号：US12231261
申请日：2008-08-28
IPC分类号： H02J7/00
CPC分类号： H01M10/48 , H01M10/052 , H01M10/425 , H01M10/44 , H02J7/0031 , H02J7/0073 , H02J7/0093 , H02J2007/0037
摘要： A charge and discharge control circuit which accommodates pulsed charge and pulsed discharge and can control charge and discharge of a secondary battery with safety, and a rechargeable power supply device having the same built therein are provided. The charge and discharge control circuit includes a delay time switching circuit for shortening a delay time of overcharge detection after charge inhibition is canceled. When overcharge is detected after the charge inhibition is canceled, the charge is inhibited in a delay time which is shorter than a normal delay time of the overcharge detection.
摘要翻译： 一种充电和放电控制电路，其容纳脉冲电荷和脉冲放电，并且可以安全地控制二次电池的充电和放电，并且提供具有内置的二次电池的可再充电电源装置。 充放电控制电路包括延迟时间切换电路，用于在消除电荷禁止之后缩短过充电检测的延迟时间。 当在禁止充电禁止之后检测到过充电时，在比过充电检测的正常延迟时间短的延迟时间内禁止充电。
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8.发明申请公开(公告)号：US20080224664A1
公开(公告)日：2008-09-18
申请号：US12070671
申请日：2008-02-20
申请人： Kazuaki Sano , Atsushi Sakurai , Toshiyuki Koike
发明人： Kazuaki Sano , Atsushi Sakurai , Toshiyuki Koike
IPC分类号： H02J7/00
CPC分类号： H02J7/0031 , H02J2007/0039
摘要： An overcharge detecting comparator (121) detects an overcharged state of a battery (101), and an overcurrent detecting comparator (120) detects an overcurrent state of the battery (101). In response to output signals from those comparators, a control circuit (210) performs on/off control of each of a switch (102) and a protection circuit (50). In response to an output signal from the control circuit (210), the protection circuit (50) is turned on, to thereby connect a resistor (125) to a path connecting a VSS terminal and an overcurrent detecting terminal, and is turned off, to thereby disconnect the resistor (125) from the path. As a result, even when the battery is in the overcurrent state, current consumption can be reduced.
摘要翻译： 过充电检测比较器（121）检测电池（101）的过充电状态，过电流检测比较器（120）检测电池（101）的过电流状态。 响应于来自这些比较器的输出信号，控制电路（210）对开关（102）和保护电路（50）中的每一个进行接通/断开控制。 响应于来自控制电路（210）的输出信号，保护电路（50）导通，从而将电阻器（125）连接到连接VSS端子和过电流检测端子的路径，并被断开， 从而使电阻器（125）与路径断开。 结果，即使当电池处于过电流状态时，也可以降低电流消耗。
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公开(公告)号：US09007026B2
公开(公告)日：2015-04-14
申请号：US13208737
申请日：2011-08-12
IPC分类号： H02J7/00
CPC分类号： H02J7/0072 , H02J7/0031
摘要： Provided is a battery device including, in a charge/discharge protection circuit for controlling charge/discharge of a secondary battery by a single bidirectionally conductive field effect transistor, a charge/discharge control circuit with which the number of elements to be used is reduced to reduce the layout area. The charge/discharge control circuit includes a switch circuit for controlling a gate of the bidirectionally conductive field effect transistor based on an output of a control circuit for controlling the charge/discharge of the secondary battery, the switch circuit including a first terminal connected to a back gate of the bidirectionally conductive field effect transistor.
摘要翻译： 提供一种电池装置，其包括在用于通过单个双向导电场效应晶体管控制二次电池的充电/放电的充放电保护电路中，将要使用的元件的数量减少到的充放电控制电路 减少布局面积。 充放电控制电路包括用于基于用于控制二次电池的充电/放电的控制电路的输出来控制双向导电场效应晶体管的栅极的开关电路，该开关电路包括与第二端子连接的第一端子 双向导电场效应晶体管的背栅。
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公开(公告)号：US20120056589A1
公开(公告)日：2012-03-08
申请号：US13208737
申请日：2011-08-12
IPC分类号： H02J7/00
CPC分类号： H02J7/0072 , H02J7/0031
摘要： Provided is a battery device including, in a charge/discharge protection circuit for controlling charge/discharge of a secondary battery by a single bidirectionally conductive field effect transistor, a charge/discharge control circuit with which the number of elements to be used is reduced to reduce the layout area. The charge/discharge control circuit includes a switch circuit for controlling a gate of the bidirectionally conductive field effect transistor based on an output of a control circuit for controlling the charge/discharge of the secondary battery, the switch circuit including a first terminal connected to a back gate of the bidirectionally conductive field effect transistor.
摘要翻译： 提供一种电池装置，其包括在用于通过单个双向导电场效应晶体管控制二次电池的充电/放电的充放电保护电路中，将要使用的元件的数量减少到的充放电控制电路 减少布局面积。 充放电控制电路包括用于基于用于控制二次电池的充电/放电的控制电路的输出来控制双向导电场效应晶体管的栅极的开关电路，该开关电路包括与第二端子连接的第一端子 双向导电场效应晶体管的背栅。
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