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1.发明授权
公开(公告)号：US5742148A
公开(公告)日：1998-04-21
申请号：US154463
申请日：1993-11-17
CPC分类号： H02J7/1438 , H02J7/0011 , H02J7/0018 , H02J7/0026 , H02J7/0031 , H02J7/0034 , H02J7/0063 , H02J7/008 , H02J7/0086 , H02J2007/004
摘要： A chargeable power supply which has a charge/discharge control circuit is provided in which the service life of a secondary cell is prolonged. A voltage dividing circuit, an overcharge voltage detection circuit, an overdischarge detection circuit and a control circuit are connected in parallel to the secondary cell. The control circuit receives signals indicating the condition of the secondary cell from the overcharge/overdischarge voltage detection circuits and outputs a signal for controlling a switch circuit for disconnecting the secondary cell from external equipment, or to stop a charging operation by an external power source. The control circuit also controls a switching element provided in series with the voltage dividing circuit and reduces a current which flows through the dividing circuit. A current limiting means is provided to limit the current consumption of the charge/discharge control circuit. In one embodiment, a the current limiting device is a switching element provided in series with the voltage dividing circuit. In another embodiment, the current limiting device is an error amplifier with a latching function provided in an overcharge detecting circuit.
摘要翻译： 提供具有充放电控制电路的充电电源，其中延长了二次电池的使用寿命。 并联连接有分压电路，过充电电压检测电路，过放电检测电路和控制电路。 控制电路从过充电/过放电电压检测电路接收表示二次电池状态的信号，并输出用于控制用于将二次电池从外部设备断开的开关电路的信号，或者停止外部电源的充电操作。 控制电路还控制与分压电路串联设置的开关元件，并且减少流过分频电路的电流。 提供限流装置来限制充放电控制电路的电流消耗。 在一个实施例中，限流装置是与分压电路串联设置的开关元件。 在另一实施例中，限流装置是在过充电检测电路中提供锁存功能的误差放大器。
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2.发明授权Overcharge/overdischarge detecting circuit having current detecting means with latch function and chargeable electric power source apparatus 有权具有带闩锁功能的电流检测装置和可充电电源装置的过充电/过放电检测电路公开(公告)号：US06181108B2
公开(公告)日：2001-01-30
申请号：US09196698
申请日：1998-11-20
IPC分类号： H01M1046
CPC分类号： H02J7/1438 , H02J7/0011 , H02J7/0018 , H02J7/0026 , H02J7/0031 , H02J7/0034 , H02J7/0063 , H02J7/008 , H02J7/0086 , H02J2007/004
摘要： A charge/discharge control circuit is provided for an electric power source apparatus in which a service life is prolonged. A voltage dividing circuit, an overcharge voltage detection circuit, an overdischarge voltage detection circuit and a control circuit are connected in parallel to a secondary cell which is an electric power source, wherein the control circuit detects a condition of the secondary cell from the overcharge/overdischarge voltage detection circuits and outputs a signal Vs for controlling a power supply to an external equipment and a charge by an external power source and controls a switching element provided in series with the voltage dividing circuit and reduces a current which flows through the voltage dividing circuit.
摘要翻译： 为延长使用寿命的电源装置提供充放电控制电路。 分压电路，过充电电压检测电路，过放电电压检测电路和控制电路并联连接到作为电源的二次电池，其中控制电路从过充电/过电压检测电路检测二次电池的状态， 过放电电压检测电路，输出用于控制外部设备的电力供给的信号Vs和外部电源的电荷，并控制与分压电路串联设置的开关元件，并减少流过分压电路的电流 。
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3.发明授权
公开(公告)号：US6097177A
公开(公告)日：2000-08-01
申请号：US196699
申请日：1998-11-20
CPC分类号： H02J7/0026 , H02J7/0031 , H02J7/1438 , H02J2007/004 , H02J7/0034
摘要： A charge/discharge control circuit for controlling the charging and discharging of a secondary cell has a voltage dividing circuit for dividing an output voltage of the secondary cell, which may comprise plural cells, an overcharge detection circuit for detecting an overcharge state of the secondary cell, an overdischarge detection circuit for detecting an overdischarge state of the secondary cell, and a control circuit for receiving and processing an output signal of the overcharge detecting circuit and the overdischarge detecting circuit and controlling the switch. In a preferred embodiment, an overcharge reference voltage source used for the overcharge voltage detection circuit is used also as an overdischarge reference voltage source for the overdischarge voltage detection circuit.
摘要翻译： 用于控制二次电池的充电和放电的充电/放电控制电路具有分压电路，用于对可能包括多个电池的二次电池的输出电压进行分压，用于检测二次电池的过充电状态的过充电检测电路 用于检测二次电池的过放电状态的过放电检测电路，以及用于接收和处理过充电检测电路和过放电检测电路的输出信号并控制开关的控制电路。 在优选实施例中，用于过充电电压检测电路的过充电参考电压源也用作过放电电压检测电路的过放电参考电压源。
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4.发明授权
公开(公告)号：US5841265A
公开(公告)日：1998-11-24
申请号：US816196
申请日：1997-03-12
CPC分类号： H02J7/1438 , H02J7/0011 , H02J7/0018 , H02J7/0026 , H02J7/0031 , H02J7/0034 , H02J7/0063 , H02J7/008 , H02J7/0086 , H02J2007/004
摘要： A charge/discharge control circuit comprises two serially connected electric power sources and two overcharge/overdischarge detection circuits. A control circuit outputs a signal for controlling the charge/discharge of the electric power sources in accordance with signals from the two overcharge/overdischarge detection circuits. An intermediate voltage receiving circuit receives, in accordance with the signal from the control circuit, a voltage at a junction point between the two electric power sources and outputs a signal indicative of a relation of the relative voltage between the two electric power sources.
摘要翻译： 充放电控制电路包括两个串联电源和两个过充电/过放电检测电路。 控制电路根据来自两个过充电/过放电检测电路的信号输出用于控制电源的充电/放电的信号。 中间电压接收电路根据来自控制电路的信号接收两个电源之间的接合点处的电压，并输出表示两个电源之间的相对电压的关系的信号。
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5.发明授权Overcharge/overdischarge detecting circuit having a reset means and chargeable electric power source apparatus 有权具有复位装置和可充电电源装置的过充电/过放电检测电路
公开(公告)号：US6127808A
公开(公告)日：2000-10-03
申请号：US196695
申请日：1998-11-20
CPC分类号： H02J7/1438 , H02J7/0011 , H02J7/0018 , H02J7/0026 , H02J7/0031 , H02J7/0034 , H02J7/0063 , H02J7/008 , H02J7/0086 , H02J2007/004
摘要： A charge/discharge control circuit is provided for an electric power source apparatus in which a service life is prolonged. A voltage dividing circuit, an overcharge voltage detection circuit, an overdischarge voltage detection circuit and a control circuit are connected in parallel to a secondary cell which is an electric power source, wherein the control circuit detects a condition of the secondary cell from the overcharge/overdischarge voltage detection circuits and outputs a signal Vs for controlling a power supply to an external equipment and a charge by an external power source and controls a switching element provided in series with the voltage dividing circuit and reduces a current which flows through the voltage dividing circuit.
摘要翻译： 为延长使用寿命的电源装置提供充放电控制电路。 分压电路，过充电电压检测电路，过放电电压检测电路和控制电路并联连接到作为电源的二次电池，其中控制电路从过充电/过电压检测电路检测二次电池的状态， 过放电电压检测电路，输出用于控制外部设备的电力供给的信号Vs和外部电源的电荷，并控制与分压电路串联设置的开关元件，并减少流过分压电路的电流 。
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公开(公告)号：US06054841A
公开(公告)日：2000-04-25
申请号：US196702
申请日：1998-11-20
CPC分类号： H02J7/1438 , H02J7/0011 , H02J7/0018 , H02J7/0026 , H02J7/0031 , H02J7/0034 , H02J7/0063 , H02J7/008 , H02J7/0086 , H02J2007/004
摘要： A charge/discharge control circuit is provided for an electric power source apparatus in which a service life is prolonged. A voltage dividing circuit, an overcharge voltage detection circuit, an overdischarge voltage detection circuit and a control circuit are connected in parallel to a secondary cell which is an electric power source, wherein the control circuit detects a condition of the secondary cell from the overcharge/overdischarge voltage detection circuits and outputs a signal Vs for controlling a power supply to an external equipment and a charge by an external power source and controls a switching element provided in series with the voltage dividing circuit and reduces a current which flows through the voltage dividing circuit.
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7.发明授权
公开(公告)号：US5998974A
公开(公告)日：1999-12-07
申请号：US196701
申请日：1998-11-20
CPC分类号： H02J7/1438 , H02J7/0011 , H02J7/0018 , H02J7/0026 , H02J7/0031 , H02J7/0034 , H02J7/0063 , H02J7/008 , H02J7/0086 , H02J2007/004
摘要： A charge/discharge control circuit has a voltage detector for detecting a voltage level of a secondary cell, a switch connected in series with the secondary cell, and a control circuit connected in parallel with the voltage detector for receiving and processing an output signal of the voltage detector and controlling an impedance of the switch. The voltage detector, the switch and the control circuit are integrated in a single substrate. In a preferred embodiment, the switch comprises an external connection terminal and a second terminal connected to the secondary cell, a first IGFET connected between the first and second terminals, a second IGFET connectected between the first terminal and a substrate electrode of the first IGFET, and a third IGFET connected between the second terminal and the substrate electrode of the first IGFET.
摘要翻译： 充放电控制电路具有用于检测二次电池的电压电平的电压检测器，与二次电池串联连接的开关，以及与电压检测器并联连接的控制电路，用于接收和处理二次电池的输出信号 电压检测器并控制开关的阻抗。 电压检测器，开关和控制电路集成在单个基板中。 在优选实施例中，开关包括外部连接端子和连接到二次电池的第二端子，连接在第一和第二端子之间的第一IGFET，在第一端子和第一IGFET的基板电极之间连接的第二IGFET， 以及连接在第一IGFET的第二端子和衬底电极之间的第三IGFET。
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8.发明授权公开(公告)号：US06242890B1
公开(公告)日：2001-06-05
申请号：US09553873
申请日：2000-04-20
IPC分类号： H02J700
CPC分类号： H02J7/0063
摘要： A charge/discharge control circuit is provided for an electric power source apparatus in which a service life is prolonged. A voltage dividing circuit, an overcharge voltage detection circuit, an overdischarge voltage detection circuit and a control circuit are connected in parallel to a secondary cell which is an electric power source, wherein the control circuit detects a condition of the secondary cell from the overcharge/overdischarge voltage detection circuits and outputs a signal Vs for controlling a power supply to an external equipment and a charge by an external power source and controls a switching element provided in series with the voltage dividing circuit and reduces a current which flows through the voltage dividing circuit.
摘要翻译： 为延长使用寿命的电源装置提供充放电控制电路。 分压电路，过充电电压检测电路，过放电电压检测电路和控制电路并联连接到作为电源的二次电池，其中控制电路从过充电/过电压检测电路检测二次电池的状态， 过放电电压检测电路，输出用于控制外部设备的电力供给的信号Vs和外部电源的电荷，并控制与分压电路串联设置的开关元件，并减少流过分压电路的电流 。
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9.发明授权
公开(公告)号：US06087807A
公开(公告)日：2000-07-11
申请号：US94037
申请日：1998-06-09
CPC分类号： H02J7/1438 , H02J7/0011 , H02J7/0018 , H02J7/0026 , H02J7/0031 , H02J7/0034 , H02J7/0063 , H02J7/008 , H02J7/0086 , H02J2007/004
摘要： A charge/discharge control circuit is provided for an electric power source apparatus in which a service life is prolonged. A voltage dividing circuit, an overcharge voltage detection circuit, an overdischarge voltage detection circuit and a control circuit are connected in parallel to a secondary cell which is an electric power source, wherein the control circuit detects a condition of the secondary cell from the overcharge/overdischarge voltage detection circuits and outputs a signal Vs for controlling a power supply to an external equipment and a charge by an external power source and controls a switching element provided in series with the voltage dividing circuit and reduces a current which flows through the voltage dividing circuit.
摘要翻译： 为延长使用寿命的电源装置提供充放电控制电路。 分压电路，过充电电压检测电路，过放电电压检测电路和控制电路并联连接到作为电源的二次电池，其中控制电路从过充电/过电压检测电路检测二次电池的状态， 过放电电压检测电路，输出用于控制外部设备的电力供给的信号Vs和外部电源的电荷，并控制与分压电路串联设置的开关元件，并减少流过分压电路的电流 。
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公开(公告)号：US5982150A
公开(公告)日：1999-11-09
申请号：US196697
申请日：1998-11-20
CPC分类号： H02J7/1438 , H02J7/0011 , H02J7/0018 , H02J7/0026 , H02J7/0031 , H02J7/0034 , H02J7/0063 , H02J7/008 , H02J7/0086 , H02J2007/004
摘要： A charge/discharge control circuit is provided for an electric power source apparatus in which a service life is prolonged. A voltage dividing circuit, an overcharge voltage detection circuit, an overdischarge voltage detection circuit and a control circuit are connected in parallel to a secondary cell which is an electric power source, wherein the control circuit detects a condition of the secondary cell from the overcharge/overdischarge voltage detection circuits and outputs a signal Vs for controlling a power supply to an external equipment and a charge by an external power source and controls a switching element provided in series with the voltage dividing circuit and reduces a current which flows through the voltage dividing circuit.
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