-
41.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 。
-
42.发明授权
公开(公告)号：US6118253A
公开(公告)日：2000-09-12
申请号：US304414
申请日：1999-05-03
CPC分类号： H02J7/0063 , H02J7/0011 , H02J7/0031
摘要： A charge/discharge control circuit has a voltage detecting circuit for detecting at least one of an over-charge state, an over-discharge state and an over-current state of a battery, a control circuit for receiving an output signal of the detecting circuit and outputting a signal for controlling the charging and discharging of the battery, and an activating circuit connected to the control circuit for selectively activating the control circuit according to an output signal of the detecting circuit so as to limit the power consumption of the charge/discharge control circuit by operating the control circuit only when one of an over-charge state, an over-discharge state and an over-current state of the electric power source is detected.
摘要翻译： 充放电控制电路具有用于检测电池的过充电状态，过放电状态和过电流状态中的至少一种的电压检测电路，用于接收检测电路的输出信号的控制电路 并且输出用于控制电池的充电和放电的信号，以及连接到控制电路的激活电路，用于根据检测电路的输出信号选择性地启动控制电路，以便限制充电/放电的功耗 只有当检测到电源的过充电状态，过放电状态和过电流状态中的一个时，才通过操作控制电路来控制电路。
-
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.
-
公开(公告)号：US6052016A
公开(公告)日：2000-04-18
申请号：US18074
申请日：1998-02-03
IPC分类号： H02H7/18 , H02J7/00 , H03K17/296
CPC分类号： H02J7/0031
摘要： A plurality of combinations of overcurrent detection voltages and delay times are set in a charge and discharge control circuit. Accordingly, a charge and discharge control circuit is formed in which an overcurrent condition having unexpectedly large consumption current, such as a short circuit, does not damage the circuit. In one embodiment, the charge and discharge control circuit comprises a pair of external connection terminals connected to a secondary cell, a switch circuit connected between the cell and at least one of the external connection terminals, an overcurrent detection element connected in series with the power source for producing an output voltage in accordance with a current flowing therethrough, a voltage detecting circuit for determining whether the output voltage of the overcurrent detection element is above one of a plurality of overcurrent detection voltage levels and outputting an overcurrent detection signal for controlling the switch circuit to disconnect the power source from the external connection terminal, and a delay circuit for delaying the overcurrent detection signal by a delay time which depends upon the level of the output voltage of the overcurrent detection element.
摘要翻译： 在充放电控制电路中设置多个过电流检测电压和延迟时间的组合。 因此，形成充放电控制电路，其中具有意外大的消耗电流（例如短路）的过电流条件不会损坏电路。 在一个实施例中，充放电控制电路包括连接到二次电池的一对外部连接端子，连接在电池和至少一个外部连接端子之间的开关电路，与电源串联连接的过电流检测元件 用于根据流过其中的电流产生输出电压的电源，用于确定过电流检测元件的输出电压是否在多个过电流检测电压电平中的一个以上并且输出用于控制开关的过电流检测信号的电压检测电路 用于将电源与外部连接端子断开的电路，以及用于将过电流检测信号延迟延迟时间的延迟电路，该延迟时间取决于过电流检测元件的输出电压的电平。
-
45.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。
-
-
-
-
搜索结果
45 条记录 (耗时 0.025 秒)
