专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US07446988B2 Fault condition protection 失效
标题翻译：故障条件保护
公开(公告)号：US07446988B2
公开(公告)日：2008-11-04
申请号：US11485548
申请日：2006-07-11
申请人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
发明人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
IPC分类号： H02H7/00
CPC分类号： H02M1/32 , B29C45/82 , B29C2045/824 , F16D31/02 , H02H7/1213 , H02M1/36 , H02M3/33507
摘要： A circuit protects a power conversion system with a feedback control loop from a fault condition. The circuit has an oscillator having an input for generating a signal with a frequency and a timer connected to the oscillator input and to the feedback control loop. The timer disables the oscillator after a period following the opening of the feedback control loop to protect the power conversion system.
摘要翻译：电路通过反馈控制回路保护电力转换系统免受故障条件的影响。该电路具有振荡器，该振荡器具有用于产生具有频率的信号和连接到振荡器输入端的定时器和反馈控制回路的输入。定时器在反馈控制回路打开一段时间后禁用振荡器，以保护电源转换系统。

2. 发明申请

US20070252569A1 Off-line converter with digital control 失效
标题翻译：带数字控制的离线转换器
公开(公告)号：US20070252569A1
公开(公告)日：2007-11-01
申请号：US11824425
申请日：2007-06-28
申请人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
发明人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
IPC分类号： H02M3/335
CPC分类号： H02M3/33515 , H02M3/157 , H02M3/335 , H02M3/33507 , H02M3/33523
摘要： A DC to DC converter comprising an energy storage element comprising an energy storage element input and an energy storage element output, the energy storage element input coupled to receive a first power level and the energy storage element output providing a second power level. The converter also comprises a feedback circuit comprising a feedback input and a feedback output, the feedback input coupled to the energy storage element output. The converter further comprises a regulator circuit comprising a regulator circuit feedback input and a regulator circuit output, the regulator circuit feedback input coupled to the feedback output and the regulator circuit output coupled to the energy storage element input, the regulator circuit regulating the input of the first power level to the energy storage element input. When a signal at the regulator circuit feedback input is above a threshold level the regulator circuit ceasing operation and when the signal at the regulator circuit feedback input is below the threshold level the regulator circuit is enabled.
摘要翻译：一种包括能量存储元件输入和能量存储元件输出的能量存储元件的DC-DC转换器，所述能量存储元件输入被耦合以接收第一功率电平，所述能量存储元件输出提供第二功率电平。转换器还包括反馈电路，其包括反馈输入和反馈输出，反馈输入耦合到能量存储元件输出。转换器还包括调节器电路，其包括调节器电路反馈输入和调节器电路输出，调节器电路反馈输入耦合到反馈输出和耦合到能量存储元件输入的调节器电路输出，调节器电路调节第一功率电平到能量存储元件输入。当调节器电路反馈输入的信号高于阈值电平时，调节器电路停止工作，并且当调节器电路反馈输入端的信号低于阈值电平时，调节器电路被使能。

3. 发明申请

US20060192540A1 Off-line converter with digital control 失效
公开(公告)号：US20060192540A1
公开(公告)日：2006-08-31
申请号：US11389184
申请日：2006-03-24
申请人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
发明人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
IPC分类号： G05F1/40 , G05F1/56
CPC分类号： H02M3/33515 , H02M3/157 , H02M3/335 , H02M3/33507 , H02M3/33523
摘要： A DC to DC converter comprising an energy storage element comprising an energy storage element input and an energy storage element output, the energy storage element input coupled to receive a first power level and the energy storage element output providing a second power level. The converter also comprises a feedback circuit comprising a feedback input and a feedback output, the feedback input coupled to the energy storage element output. The converter further comprises a regulator circuit comprising a regulator circuit feedback input and a regulator circuit output, the regulator circuit feedback input coupled to the feedback output and the regulator circuit output coupled to the energy storage element input, the regulator circuit regulating the input of the first power level to the energy storage element input. When a signal at the regulator circuit feedback input is above a threshold level the regulator circuit ceasing operation and when the signal at the regulator circuit feedback input is below the threshold level the regulator circuit is enabled.

4. 发明申请

US20050152164A1 Method and apparatus providing a multi-function terminal for a power supply controller 有权
标题翻译：提供电源控制器的多功能端子的方法和装置
公开(公告)号：US20050152164A1
公开(公告)日：2005-07-14
申请号：US11032820
申请日：2005-01-10
申请人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
发明人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
IPC分类号： H02M1/00 , H02M1/32 , H02M3/335 , H02M3/24
CPC分类号： H02M1/32 , H02M3/33507
摘要： A power supply controller having a multi-function terminal. In one embodiment, a power supply controller for switched mode power supply includes a drain terminal, a source terminal, a control terminal and a multi-function terminal. The multi-function terminal may be configured in a plurality of ways providing any one or some of a plurality of functions including on/off control, external current limit adjustments, under-voltage detection, over-voltage detection and maximum duty cycle adjustment. The operation of the multi-function terminal varies depending on whether a positive or negative current flows through the multi-function terminal. A short-circuit to ground from the multi-function terminal enables the power supply controller. A short-circuit to a supply voltage from the multi-function terminal disables the power supply controller. The current limit of an internal power switch of the power supply controller may be adjusted by externally setting a negative current from the multi-function terminal. The multifunction terminal may also be coupled to the input DC line voltage of the power supply through a resistance to detect an under-voltage condition, an over-voltage condition and/or adjust the maximum duty cycle of power supply controller. Synchronization of the oscillator of the power supply controller may also be realized by switching the multi-function terminal to power or ground at the desired times.
摘要翻译：具有多功能端子的电源控制器。在一个实施例中，用于开关模式电源的电源控制器包括漏极端子，源极端子，控制端子和多功能端子。多功能端子可以以提供包括开/关控制，外部电流限制调整，欠压检测，过电压检测和最大占空比调整的多种功能中的任何一种或多种功能的多种方式配置。多功能端子的动作取决于正极或负极是否流过多功能端子。多功能端子接地短路，使电源控制器成为可能。多功能端子的电源短路会使电源控制器失效。电源控制器的内部电源开关的电流限制可以通过从多功能端子外部设定负电流来调节。多功能端子还可以通过电阻耦合到电源的输入DC线路电压，以检测欠压状态，过电压状态和/或调整电源控制器的最大占空比。电源控制器的振荡器的同步也可以通过在所需的时间将多功能端子切换到电源或接地来实现。

5. 发明申请

US20100277838A1 FAULT CONDITION PROTECTION 有权
标题翻译：故障条件保护
公开(公告)号：US20100277838A1
公开(公告)日：2010-11-04
申请号：US12836518
申请日：2010-07-14
申请人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
发明人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
IPC分类号： H02H7/00
CPC分类号： H02M1/32 , B29C45/82 , B29C2045/824 , F16D31/02 , H02H7/1213 , H02M1/36 , H02M3/33507
摘要： A regulator for a switched mode power supply includes switching regulator logic, a counter and a logic gate. The switching regulator logic is coupled to receive a feedback signal and to generate a switching signal in response. The feedback signal periodically cycles between a first state and a second state when the power supply operates normally. The counter is coupled to receive the feedback signal and an output of the counter indicates an auto-restart mode of the regulator in response to the feedback signal remaining in the first state for a predetermined count. An output of the logic gate enables the power switch to turn on and off in response to the switching signal when the output of the counter does not indicate the auto-restart mode and the output of the logic gate disables the power switch in response to the output of the counter indicating the auto-restart mode.
摘要翻译：用于开关模式电源的稳压器包括开关稳压器逻辑，计数器和逻辑门。开关稳压器逻辑被耦合以接收反馈信号并且响应地产生开关信号。当电源正常工作时，反馈信号周期性地在第一状态和第二状态之间循环。计数器被耦合以接收反馈信号，并且计数器的输出指示响应于在第一状态下保持预定计数的反馈信号的调节器的自动重启模式。当计数器的输出不指示自动重启模式时，逻辑门的输出使得电源开关响应于开关信号而导通和截止，并且逻辑门的输出响应于计数器的输出指示自动重启模式。

6. 发明授权

US07663852B2 Output feedback and under-voltage detection system 失效
标题翻译：输出反馈和欠压检测系统
公开(公告)号：US07663852B2
公开(公告)日：2010-02-16
申请号：US10827889
申请日：2004-04-20
申请人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
发明人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
IPC分类号： H02H3/24 , H02H3/06
CPC分类号： H02M1/32 , H02M3/33507
摘要： A switched mode controller for properly handling an under-voltage condition in a power line which includes a current mirror for receiving current from the power line; a reference current source coupled to the current mirror for supplying a reference current; and a power transistor coupled to the reference current source, the power transistor generating a pulse width modulated signal when current from the power line exceeds the reference current, the power transistor being disabled when current from the power line is less than the reference current.
摘要翻译：一种切换模式控制器，用于在包括用于从电力线接收电流的电流镜的电力线中适当地处理欠电压状态; 耦合到电流镜的参考电流源，用于提供参考电流; 以及耦合到参考电流源的功率晶体管，当来自电力线的电流超过参考电流时，功率晶体管产生脉宽调制信号，当来自电力线的电流小于参考电流时，功率晶体管被禁用。

7. 发明授权

US06687101B2 Fault condition protection 失效
标题翻译：故障条件保护
公开(公告)号：US06687101B2
公开(公告)日：2004-02-03
申请号：US10183927
申请日：2002-06-25
申请人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
发明人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
IPC分类号： H02H700
CPC分类号： H02M1/32 , B29C45/82 , B29C2045/824 , F16D31/02 , H02H7/1213 , H02M1/36 , H02M3/33507
摘要： A circuit protects a power conversion system with a feedback control loop from a fault condition. The circuit has an oscillator having an input for generating a signal with a frequency and a timer connected to the oscillator input and to the feedback control loop. The timer disables the oscillator after a period following the opening of the feedback control loop to protect the power conversion system.
摘要翻译：电路通过反馈控制回路保护电力转换系统免受故障条件的影响。该电路具有振荡器，该振荡器具有用于产生具有频率的信号和连接到振荡器输入端的定时器和反馈控制回路的输入。定时器在反馈控制回路打开一段时间后禁用振荡器，以保护电源转换系统。

8. 发明授权

US06456475B1 Off-line converter with digital control 有权
标题翻译：带数字控制的离线转换器
公开(公告)号：US06456475B1
公开(公告)日：2002-09-24
申请号：US09941905
申请日：2001-08-29
申请人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
发明人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
IPC分类号： H02H318
CPC分类号： H02M1/32 , B29C45/82 , B29C2045/824 , F16D31/02 , H02H7/1213 , H02M1/36 , H02M3/33507
摘要： A circuit protects a power conversion system with a feedback control loop from a fault condition. The circuit has an oscillator having an input for generating a signal with a frequency and a timer connected to the oscillator input and to the feedback control loop. The timer disables the oscillator after a period following the opening of the feedback control loop to protect the power conversion system.
摘要翻译：电路通过反馈控制回路保护电力转换系统免受故障条件的影响。该电路具有振荡器，该振荡器具有用于产生具有频率的信号和连接到振荡器输入端的定时器和反馈控制回路的输入。定时器在反馈控制回路打开一段时间后禁用振荡器，以保护电源转换系统。

9. 发明申请

US20120206842A1 FAULT CONDITION PROTECTION 失效
标题翻译：故障条件保护
公开(公告)号：US20120206842A1
公开(公告)日：2012-08-16
申请号：US13451383
申请日：2012-04-19
申请人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
发明人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
IPC分类号： H02H7/00
CPC分类号： H02M1/32 , B29C45/82 , B29C2045/824 , F16D31/02 , H02H7/1213 , H02M1/36 , H02M3/33507
摘要： A switched mode power supply includes a transformer and an integrated circuit regulator. The integrated circuit regulator is coupled to the transformer and includes switching regulator logic, a counter, and a switching transistor. The regulator logic generates a switching signal in response to the feedback signal. The counter receives the feedback signal, where the feedback signal periodically cycles between a first state and a second state when the switched mode power supply operates normally. An output of the counter indicates an auto-restart mode of the regulator in response to the feedback signal remaining in the first state for a predetermined count due to a fault condition. The switching transistor is coupled to be turned on and off in response to the switching signal when the output of the counter does not indicate the auto-restart mode and is disabled when the output of the counter indicates the auto-restart mode.
摘要翻译：开关电源包括变压器和集成电路调节器。集成电路调节器耦合到变压器并且包括开关调节器逻辑，计数器和开关晶体管。调节器逻辑响应于反馈信号产生开关信号。计数器接收反馈信号，当开关模式电源正常工作时，反馈信号周期性地在第一状态和第二状态之间循环。计数器的输出表示由于故障状况而响应于反馈信号在第一状态下保持预定计数的自动重启模式。当计数器的输出不指示自动重启模式时，开关晶体管被响应于开关信号而被接通和断开，并且当计数器的输出指示自动重启模式时，开关晶体管被禁止。

10. 发明申请

US20110188274A1 FAULT CONDITION PROTECTION 有权
标题翻译：故障条件保护
公开(公告)号：US20110188274A1
公开(公告)日：2011-08-04
申请号：US12982652
申请日：2010-12-30
申请人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
发明人： Balu Balakrishnan , Alex Djenguerian , Leif Lund
IPC分类号： H02M1/36
CPC分类号： H02M1/32 , B29C45/82 , B29C2045/824 , F16D31/02 , H02H7/1213 , H02M1/36 , H02M3/33507
摘要： A regulator for a switched mode power supply includes switching regulator logic, a counter and a switching transistor. The switching regulator logic is coupled to receive a feedback signal and to generate a switching signal in response. The feedback signal periodically cycles between a first state and a second state when the power supply operates normally. The counter is coupled to receive the feedback signal and an output of the counter indicates an auto-restart mode of the regulator in response to the feedback signal remaining in the first state for a predetermined count. The switching transistor is turned on and off in response to the switching signal when the output of the counter does not indicate the auto-restart mode and is disabled when the output of the counter indicates the auto-restart mode.
摘要翻译：用于开关模式电源的稳压器包括开关稳压器逻辑，计数器和开关晶体管。开关稳压器逻辑被耦合以接收反馈信号并且响应地产生开关信号。当电源正常工作时，反馈信号周期性地在第一状态和第二状态之间循环。计数器被耦合以接收反馈信号，并且计数器的输出指示响应于在第一状态下保持预定计数的反馈信号的调节器的自动重启模式。当计数器的输出不指示自动重启模式时，开关晶体管响应于开关信号而导通和截止，当计数器的输出指示自动重启模式时，开关晶体管被禁止。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式