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1. 发明申请

WO1995029527A1 ELECTRONIC CIRCUIT BREAKER 审中-公开
标题翻译：电子断路器
公开(公告)号：WO1995029527A1
公开(公告)日：1995-11-02
申请号：PCT/US1995003154
申请日：1995-03-13
申请人： UNITRODE CORPORATION
发明人： UNITRODE CORPORATION , JORDAN, Mark, G.
IPC分类号： H02H03/18
CPC分类号： H03K17/0822 , H02H3/025 , H02H3/06 , H02H3/087 , H02H3/18 , H03K17/063
摘要： A solid-state circuit breaker (10) for use in electronic devices which may be connected to an active computer bus. In one embodiment the solid-state circuit breaker (10) includes a digital-to-analog converter (62) by way of which digital control signals are used to set the value at which the circuit breaker determines that a fault condition exists. Fault time is measured from when the fault condition is detected, and when the fault time exceeds a predtermined value, the circuit breaker (10) opens, thereby preventing current flow through the circuit breaker for a second predetermined amount of time. Once this second predetermined amount of time elapses, the circuit breaker again permits current flow, and if a fault condition is determined to continue to exist, the cycle is repeated. The circuit breaker (10) also includes a current limiting portion (30) which restricts current flow to a maximum permissible value should the current flowing through the circuit breaker attempt to exceed this maximum permissible value. A reverse voltage comparator circuit (180) interrupts current flow through the circuit breaker (10) if the voltage at the output terminal of the circuit breaker (10) exceeds the voltage at the input terminal (12) of the circuit breaker.
摘要翻译：一种用于可连接到有源计算机总线的电子设备中的固态断路器（10）。在一个实施例中，固态断路器（10）包括数模转换器（62），通过该数模转换器，数字控制信号用于设置断路器确定存在故障条件的值。故障时间是从检测到故障情况的时间开始测量的，当故障时间超过预定值时，断路器（10）打开，防止电流通过断路器流过第二预定时间。一旦该第二预定时间量过去，断路器再次允许电流流动，并且如果确定故障状况继续存在，则重复该循环。断路器（10）还包括电流限制部分（30），其限制当电流流过断路器的电流超过该最大允许值时的电流流向最大允许值。如果断路器（10）的输出端子处的电压超过断路器的输入端子（12）处的电压，则反向电压比较器电路（180）中断通过断路器（10）的电流。

2. 发明申请

WO1995017022A1 BATTERY CHARGER CIRCUIT 审中-公开
标题翻译：电池充电器电路
公开(公告)号：WO1995017022A1
公开(公告)日：1995-06-22
申请号：PCT/US1994014076
申请日：1994-12-07
申请人： UNITRODE CORPORATION
发明人： UNITRODE CORPORATION , HOLLOWAY, Peter, R. , MAMMANO, Robert, A.
IPC分类号： H01M10/44
CPC分类号： H01M10/44 , H01M10/443 , H02J7/008 , H02J7/0091
摘要： An adaptive battery charger circuit (32) including a processor (16) which adjusts the charging current of a controllable current source (12) in accordance with the battery charge acceptance of rechargeable battery (18). The battery charging cycle includes an initial charging phase characterized by a relatively high charge acceptance, an intermediate charging phase characterized by a decreasing charge acceptance and a rising battery temperature, and a final charging phase characterized by the battery (18) being at substantially full charge and the charge acceptance approaching zero. Each charging phase corresponds to one or more states of the processor (16). Multiple sets of conditions causing transitions between the states of operation are derived from a model of a battery under charge which relates charge acceptance which is determined by the battery voltage sensor (20), battery temperature which is sensed by temperature sensor (24), and cumulative supplied charge sensed by charge accumulator (114). During the intermediate charging phase, the charging current is adjusted to maintain a predetermined battery temperature for a predetermined duration. With this arrangement, the maximum product of charging current and charge acceptance maintainable for the battery (18) without exceeding a safe temperature is continuously achieved.
摘要翻译：一种自适应电池充电器电路（32），包括根据可再充电电池（18）的电池充电接受来调节可控电流源（12）的充电电流的处理器（16）。电池充电周期包括以相对较高的充电接受为特征的初始充电阶段，以充电接受程度降低为特征的中间充电阶段以及电池温度上升，以及最终充电阶段，其特征在于电池（18）基本上充满电收费接受率接近零。每个充电阶段对应于处理器（16）的一个或多个状态。导致操作状态之间转换的多组条件是从充电电池的模型中得出的，其涉及由电池电压传感器（20）确定的充电接受，由温度传感器（24）感测的电池温度，以及由电荷累加器（114）感测的累积供电电荷。在中间充电阶段期间，调整充电电流以将预定的电池温度保持预定的持续时间。通过这种布置，连续地实现了不超过安全温度对电池（18）维护的充电电流和充电验收的最大乘积。

3. 发明申请

WO1995029532A1 IMPEDANCE EMULATOR 审中-公开
标题翻译：阻抗仿真器
公开(公告)号：WO1995029532A1
公开(公告)日：1995-11-02
申请号：PCT/US1995004844
申请日：1995-04-20
申请人： UNITRODE CORPORATION
发明人： UNITRODE CORPORATION , JORDAN, Mark
IPC分类号： H03K17/16
CPC分类号： H04L25/0298 , G05F1/56
摘要： A low capacitance impedance emulator suitable for active conductor termination. This impedance emulator includes an emulating FET (12) and a control circuit (16) coupled to the gate of the emulating FET for maintaining the FET in a linear region of operation. The control circuit includes a control FET (20), an impedance setting resistor (22), and an amplifier (24). The control FET is driven in a closed-loop fashion so that the impedance of the control FET has a known relationship with respect to that of the resistor. The output of the amplifier controls the conduction of both the emulating and control FETs so that the emulating FET provides an impedance proportional to that of the control FET and thus, related to the impedance of the resistor.
摘要翻译：适用于有源导体端接的低电容阻抗仿真器。该阻抗仿真器包括耦合到仿真FET的栅极的仿真FET（12）和控制电路（16），用于将FET保持在线性操作区域。控制电路包括控制FET（20），阻抗设定电阻（22）和放大器（24）。控制FET以闭环方式驱动，使得控制FET的阻抗与电阻器的阻抗成为已知关系。放大器的输出控制仿真和控制FET的导通，使得仿真FET提供与控制FET的阻抗成比例的阻抗，因此与电阻器的阻抗相关。

4. 发明公开

EP0756783A1 IMPEDANCE EMULATOR 失效
标题翻译： IMPEDANZEMULATOR
公开(公告)号：EP0756783A1
公开(公告)日：1997-02-05
申请号：EP95917077.0
申请日：1995-04-20
申请人： UNITRODE CORPORATION
发明人： JORDAN, Mark
IPC分类号： G06F3 , G05F1 , H03H11 , H03K17 , H03K19
CPC分类号： H04L25/0298 , G05F1/56
摘要： A low capacitance impedance emulator suitable for active conductor termination. This impedance emulator includes an emulating FET (12) and a control circuit (16) coupled to the gate of the emulating FET for maintaining the FET in a linear region of operation. The control circuit includes a control FET (20), an impedance setting resistor (22), and an amplifier (24). The control FET is driven in a closed-loop fashion so that the impedance of the control FET has a known relationship with respect to that of the resistor. The output of the amplifier controls the conduction of both the emulating and control FETs so that the emulating FET provides an impedance proportional to that of the control FET and thus, related to the impedance of the resistor.

5. 发明公开

EP1018065A1 MULTIPLEXING POWER CONVERTER 失效
标题翻译：多路功率变换器
公开(公告)号：EP1018065A1
公开(公告)日：2000-07-12
申请号：EP98911529.0
申请日：1998-03-09
申请人： Unitrode Corporation
发明人： JORDAN, Mark, George , TERRY, Francis, H. , HACK, Thomas, Peter
IPC分类号： G05F1/10
CPC分类号： H02M3/33561 , H02M3/1588 , Y02B70/1466
摘要： A multiplexing power converter (20) for use with a single inductor (32) for providing multiple power outputs is disclosed. The multiplexing power converter (20) includes first switching means (26) for providing a first low resistance path for current to flow from a power source (VIN) through an inductor (32) so as to energize the inductor (32), and at least one second switching means (28) for providing at least one second low resistance path for current to flow from the inductor (32) so as to deenergize the inductor (32) and provide an output current. Only one low resistance current path is provided at any one time.
摘要翻译：公开了与单个电感器（32）一起使用以提供多个功率输出的多路复用功率转换器（20）。多路复用功率转换器（20）包括第一开关装置（26），用于提供第一低阻通路以使电流从电源（VIN）流过电感器（32）以激励电感器（32），并且在至少一个第二开关装置（28），用于提供至少一个第二低电阻路径以使电流从电感器（32）流出，以断开电感器（32）并提供输出电流。任何时候只提供一个低电阻电流路径。

6. 发明公开

EP0531630A1 Controllable bus terminator 有权
标题翻译： Steuerbarer Busabschluss。
公开(公告)号：EP0531630A1
公开(公告)日：1993-03-17
申请号：EP92109545.1
申请日：1992-06-05
申请人： UNITRODE CORPORATION
发明人： Mammano, Robert A. , Jordan, Mark
IPC分类号： G06F13/40
CPC分类号： H04L25/0298 , G06F13/4086 , Y02D10/14 , Y02D10/151
摘要： A controllable bus terminator, for providing a switchable termination on a bus (12) has a plurality of conductors (172), wherein the controllable bus terminator comprises a voltage regulator (94, 106) capable of generating a regulated voltage, a plurality of resistors (98, 98'), each of which is capable of being in communication with a respective one of said conductors (172) in said bus (12), and a plurality of electrically controllable switches (100), each of said switches in communication between a respective one of said resistors (98, 98') and said voltage regulator (94, 106), said switches (100) permitting said resistors (98, 98') to be in communication with said voltage regulator (94, 106) when said switch (100) is in a first state and preventing said resistors (98, 98') from being in communication with said voltage regulator (94, 106) when said switch is in a second state.
摘要翻译：用于在总线（12）上提供可切换终端的可控总线终端器具有多个导体（172），其中可控总线终端器包括能够产生调节电压的电压调节器（94,106），多个电阻器（98,98'），其中每个能够与所述总线（12）中的所述导体（172）中的相应一个通信，以及多个电气可控开关（100），每个所述开关在通信在相应的所述电阻器（98,98'）和所述电压调节器（94,106）之间，所述开关（100）允许所述电阻器（98,98'）与所述电压调节器（94,106）连通，当所述开关处于第一状态时，当所述开关处于第二状态时，阻止所述电阻器（98,98'）与所述电压调节器（94,106）连通。

7. 发明授权

EP0756783B1 IMPEDANCE EMULATOR 失效
标题翻译：阻抗仿真器
公开(公告)号：EP0756783B1
公开(公告)日：2004-04-14
申请号：EP95917077.0
申请日：1995-04-20
申请人： UNITRODE CORPORATION
发明人： JORDAN, Mark
IPC分类号： H03K17/16 , H03H11/46
CPC分类号： H04L25/0298 , G05F1/56

8. 发明授权

EP0531630B1 Controllable bus terminator 有权
标题翻译：控制总线终端
公开(公告)号：EP0531630B1
公开(公告)日：2000-10-04
申请号：EP92109545.1
申请日：1992-06-05
申请人： UNITRODE CORPORATION
发明人： Mammano, Robert A. , Jordan, Mark
IPC分类号： G06F13/40
CPC分类号： H04L25/0298 , G06F13/4086 , Y02D10/14 , Y02D10/151
摘要： A controllable bus terminator, for providing a switchable termination on a bus (12) has a plurality of conductors (172), wherein the controllable bus terminator comprises a voltage regulator (94, 106) capable of generating a regulated voltage, a plurality of resistors (98, 98'), each of which is capable of being in communication with a respective one of said conductors (172) in said bus (12), and a plurality of electrically controllable switches (100), each of said switches in communication between a respective one of said resistors (98, 98') and said voltage regulator (94, 106), said switches (100) permitting said resistors (98, 98') to be in communication with said voltage regulator (94, 106) when said switch (100) is in a first state and preventing said resistors (98, 98') from being in communication with said voltage regulator (94, 106) when said switch is in a second state.

9. 发明授权

EP0494598B1 Method of processing a semiconductor substrate 有权
标题翻译：处理半导体衬底的方法
公开(公告)号：EP0494598B1
公开(公告)日：1998-04-29
申请号：EP92100028.7
申请日：1992-01-02
申请人： UNITRODE CORPORATION
发明人： Blackstone, Scott C.
IPC分类号： H01L21/74 , H01L21/20 , H01L21/18
CPC分类号： H01L21/76264 , H01L21/2257 , H01L21/32155 , H01L21/74 , H01L21/76275 , H01L21/76283 , Y10S148/012 , Y10S148/147 , Y10S438/923

10. 发明公开

EP0523807A3 Cmos high voltage switching controller 失效
标题翻译： CMOS高压开关控制器
公开(公告)号：EP0523807A3
公开(公告)日：1993-03-03
申请号：EP92202158.9
申请日：1992-07-14
申请人： UNITRODE CORPORATION
发明人： Neidorff, Robert A. , McKenzie, James A.
IPC分类号： H03K17/687
CPC分类号： H03K17/6872
摘要： A low-voltage CMOS switching controller which utilizes pMOS and nMOS devices to control the switching of a high voltage power supply. Two pMOS devices (86,88) are used as switches to control the high voltage level on an output terminal (80) and an nMOS device (100) is used to switch the output terminal (80) to ground once the high voltage has been reduced to a safe level. The controller also includes circuitry which prevents both pMOS devices (86,88) from being on at the same time, thereby shunting the high voltage supply to ground.

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