-
公开(公告)号：US20130141945A1
公开(公告)日：2013-06-06
申请号：US13383632
申请日：2011-12-01
IPC分类号： H02M3/335
CPC分类号： H02M3/3378 , H02M1/36 , H02M1/40 , H02M3/33592 , Y02B70/1475
摘要： An isolated switched mode power supply, SMPS, comprises a switching controller operable to generate start-up switching control signals during start-up of the isolated SMPS, and operational switching control signals of period T during subsequent operation of the isolated SMPS. The SMPS further comprises a transformer having a primary winding and a full-bridge drive circuit arranged to drive the primary winding of the transformer in response to the switching control signals. The full-bridge drive circuit has: a first switching element and a boot-strap driving circuit arranged to switch the first switching element in response to the switching control signals, the boot-strap driving circuit having a boot-strap capacitor. The full-bridge drive circuit further comprises a second switching element connected to the first switching element and to the boot-strap driving circuit, and arranged to conduct a current to charge the boot-strap capacitor when switched ON in response to the switching control signals. The switching controller is operable to start up the isolated SMPS by: determining a duty cycle D for the operational switching control signals based on a voltage an output of the isolated SMPS and generating the start-up switching control signals comprising a first voltage pulse of duration P1 to temporarily switch ON the second switching element, and a subsequent second voltage pulse of duration P2 to temporarily switch ON the first switching element, wherein P1
摘要翻译： 隔离开关模式电源SMPS包括开关控制器，其可操作以在隔离的SMPS的启动期间产生启动开关控制信号，以及在隔离的SMPS的后续操作期间的周期T的操作开关控制信号。 SMPS还包括具有初级绕组和全桥驱动电路的变压器，其布置成响应于开关控制信号驱动变压器的初级绕组。 全桥驱动电路具有：第一开关元件和引导带驱动电路，布置成响应于开关控制信号而切换第一开关元件，引导带驱动电路具有引导电容器。 所述全桥驱动电路还包括连接到所述第一开关元件和所述引导带驱动电路的第二开关元件，并且被布置成响应于所述开关控制信号而导通开关导通时对所述引导电容器充电的电流 。 开关控制器可操作以通过以下方式启动隔离的SMPS：基于隔离SMPS的输出的电压确定用于操作开关控制信号的占空比D，并产生包括持续时间的第一电压脉冲的启动切换控制信号 P1暂时接通第二开关元件，以及随后的持续时间P2的第二电压脉冲，以临时切换第一开关元件，其中P1
-
公开(公告)号：US08456867B1
公开(公告)日：2013-06-04
申请号：US13383632
申请日：2011-12-01
CPC分类号： H02M3/3378 , H02M1/36 , H02M1/40 , H02M3/33592 , Y02B70/1475
摘要： An isolated switched mode power supply (SMPS) is disclosed. The SMPS comprises a switching controller to generate start-up and operational switching control signals. The SMPS further includes a transformer, having a primary winding, and a full-bridge drive circuit to drive the primary winding. The full-bridge drive circuit comprises a first switching element, a boot-strap dnving circuit, and a second switching element. The switching controller is further used to start up isolated SMPS by determining a duty cycle for operational control signals and generating the start-up switching control signals.
摘要翻译： 公开了一种隔离开关电源（SMPS）。 SMPS包括用于产生启动和运行切换控制信号的切换控制器。 SMPS还包括具有初级绕组的变压器和用于驱动初级绕组的全桥驱动电路。 全桥驱动电路包括第一开关元件，引导带驱动电路和第二开关元件。 开关控制器还用于通过确定操作控制信号的占空比并产生启动切换控制信号来启动隔离SMPS。
-
公开(公告)号：US20120169311A1
公开(公告)日：2012-07-05
申请号：US13262488
申请日：2009-12-21
申请人： Jonas Malmberg , Mikael Appelberg , Anders Kullman
发明人： Jonas Malmberg , Mikael Appelberg , Anders Kullman
IPC分类号： G05F1/46
摘要： A power converter system is provided, which comprises a first voltage converting module for converting an input voltage to an output voltage, and a second voltage converting module for converting the input voltage to an output voltage, the second voltage converting module being connected in parallel with the first: voltage converting module. The power converter sys tem also includes at least one signalling line between the first voltage converting module and the second voltage converting module, and a current share controller operatively connected to communicate with the first and second voltage converting modules using the Power Management Bus protocol to establish a master- slave relationship between the first and second voltage converting modules, comprising a master voltage converting module and a slave voltage converting module. The first and second voltage converting modules are arranged to operate in a current share configuration so as to share a load current of the power converter system. The master voltage converting module is arranged to determine its output current and send a signal indicative of its output current to the slave voltage converting module via the at least one signalling line. The slave voltage converting module is arranged to adjust its output current in dependence upon the signal from the master voltage converting module.
摘要翻译： 提供了一种功率转换器系统，其包括用于将输入电压转换为输出电压的第一电压转换模块和用于将输入电压转换为输出电压的第二电压转换模块，所述第二电压转换模块与 第一：电压转换模块。 功率转换器系统还包括在第一电压转换模块和第二电压转换模块之间的至少一个信号线路，以及可操作地连接以使用电力管理总线协议与第一和第二电压转换模块通信的电流共享控制器来建立 第一和第二电压转换模块之间的主从关系，包括主电压转换模块和从电压转换模块。 第一和第二电压转换模块被布置成在当前共享配置中操作以共享功率转换器系统的负载电流。 主电压转换模块被布置成确定其输出电流，并且经由至少一个信号线将指示其输出电流的信号发送到从电压转换模块。 从电压转换模块被布置成根据来自主电压转换模块的信号来调节其输出电流。
-
公开(公告)号：US08810217B2
公开(公告)日：2014-08-19
申请号：US13262488
申请日：2009-12-21
摘要： A power converter system disclosed herein includes first and second voltage converting modules, for converting input current to output voltage, and a current share controller configured to establish a master-slave relationship between the first and second voltage converting modules. As a result, one of the first and second voltage converting modules acts as a master module, and the other acts as a slave module. The first and second voltage converting modules are arranged to operate in a current share configuration so as to share a load of the power converter system. The master module determines its output current and sends a signal indicative of its output current to the slave module via at least one signaling line connecting the master and modules to the current share controller. The slave module adjusts its output current in dependence on the signal from the master module.
摘要翻译： 本文公开的功率转换器系统包括用于将输入电流转换为输出电压的第一和第二电压转换模块，以及被配置为在第一和第二电压转换模块之间建立主 - 从关系的电流共享控制器。 因此，第一和第二电压转换模块中的一个用作主模块，另一个用作从模块。 第一和第二电压转换模块被布置成以当前共享配置运行，以共享功率转换器系统的负载。 主模块确定其输出电流，并通过将主模块和模块连接到当前共享控制器的至少一个信令线路将指示其输出电流的信号发送到从模块。 从模块根据主模块的信号调整其输出电流。
-
公开(公告)号：US09515543B2
公开(公告)日：2016-12-06
申请号：US14357715
申请日：2011-12-09
申请人： Oscar Persson , Magnus Karlsson , Jonas Malmberg
发明人： Oscar Persson , Magnus Karlsson , Jonas Malmberg
CPC分类号： H02M1/00 , G05F1/56 , H02M1/32 , H02M2001/0003
摘要： The present disclosure relates to methods, a system and a module for operating a power converter module. The power converter module comprises a voltage converter, an output circuitry, and a processing circuitry operable for controlling the voltage converter. One method comprises transmitting a first status signal representing operating parameters of the voltage converter to the processing circuitry. Determining whether the first status signal of the voltage converter is acceptable. The method also comprises transmitting a second status signal representing the operating parameters of the output circuitry to the processing circuitry. The method also comprises determining if the second status signal is above a predetermined threshold value. When the second status signal is above said predetermined threshold value and the status of the voltage converter is acceptable, entering a peak output mode operating the voltage converter at maximum power dissipation.
摘要翻译： 本公开涉及用于操作功率转换器模块的方法，系统和模块。 电力转换器模块包括电压转换器，输出电路和可操作用于控制电压转换器的处理电路。 一种方法包括将表示电压转换器的操作参数的第一状态信号发送到处理电路。 确定电压转换器的第一状态信号是否可接受。 该方法还包括将表示输出电路的操作参数的第二状态信号发送到处理电路。 该方法还包括确定第二状态信号是否高于预定阈值。 当第二状态信号高于所述预定阈值并且电压转换器的状态是可接受的时，输入在最大功率耗散下操作电压转换器的峰值输出模式。
-
公开(公告)号：US09124190B2
公开(公告)日：2015-09-01
申请号：US13820329
申请日：2010-09-02
申请人： Magnus Karlsson , Jonas Malmberg , Oscar Persson
发明人： Magnus Karlsson , Jonas Malmberg , Oscar Persson
CPC分类号： H02M3/33546 , H02M3/156 , H02M3/335 , H02M3/33592 , H02M2001/0048 , Y02B70/1475 , Y02B70/1491
摘要： An isolated switched mode power supply comprises a transformer, with primary and secondary windings, and a rectification network connected to the secondary winding. The rectification network and the transformer are arranged such that, during a free-wheeling period of operation of the switched mode power supply, a magnetic flux from a first portion of a secondary winding of the transformer substantially cancels a magnetic flux from a second portion of the secondary winding between the first and second portions of the secondary winding. Additionally, a secondary side circuit connected to the secondary winding comprises a switching device, which is connected to a center-tap, provided between the first and second portions of the secondary winding, and an output of the rectification network so as to conduct at least a part of a free-wheeling current flowing in the secondary side circuit during the free-wheeling period.
摘要翻译： 隔离开关电源包括具有初级和次级绕组的变压器以及连接到次级绕组的整流网络。 整流网络和变压器布置成使得在开关模式电源的续流周期期间，来自变压器的次级绕组的第一部分的磁通量基本上从第二部分的第二部分抵消了磁通量 次级绕组的第一和第二部分之间的次级绕组。 另外，连接到次级绕组的次级侧电路包括开关装置，其连接到设置在次级绕组的第一和第二部分之间的中心抽头和整流网络的输出端，以便至少导通 在续流期间在次级侧回路中流动的续流电流的一部分。
-
公开(公告)号：US20130155727A1
公开(公告)日：2013-06-20
申请号：US13820329
申请日：2010-09-02
申请人： Magnus Karlsson , Jonas Malmberg , Oscar Persson
发明人： Magnus Karlsson , Jonas Malmberg , Oscar Persson
IPC分类号： H02M3/335
CPC分类号： H02M3/33546 , H02M3/156 , H02M3/335 , H02M3/33592 , H02M2001/0048 , Y02B70/1475 , Y02B70/1491
摘要： An isolated switched mode power supply comprises a transformer, with primary and secondary windings, and a rectification network connected to the secondary winding. The rectification network and the transformer are arranged such that, during a free-wheeling period of operation of the switched mode power supply, a magnetic flux from a first portion of a secondary winding of the transformer substantially cancels a magnetic flux from a second portion of the secondary winding between the first and second portions of the secondary winding. Additionally, a secondary side circuit connected to the secondary winding comprises a switching device, which is connected to a centre-tap, provided between the first and second portions of the secondary winding, and an output of the rectification network so as to conduct at least a part of a free-wheeling current flowing in the secondary side circuit during the free-wheeling period.
摘要翻译： 隔离开关电源包括具有初级和次级绕组的变压器以及连接到次级绕组的整流网络。 整流网络和变压器布置成使得在开关模式电源的续流周期期间，来自变压器的次级绕组的第一部分的磁通量基本上从第二部分的第二部分抵消了磁通量 次级绕组的第一和第二部分之间的次级绕组。 另外，连接到次级绕组的次级侧电路包括开关装置，其连接到设置在次级绕组的第一和第二部分之间的中心抽头和整流网络的输出端，以便至少导通 在续流期间在次级侧回路中流动的续流电流的一部分。
-
公开(公告)号：US20140327414A1
公开(公告)日：2014-11-06
申请号：US14357715
申请日：2011-12-09
申请人： Oscar Persson , Magnus Karlsson , Jonas Malmberg
发明人： Oscar Persson , Magnus Karlsson , Jonas Malmberg
IPC分类号： H02M1/00
CPC分类号： H02M1/00 , G05F1/56 , H02M1/32 , H02M2001/0003
摘要： The present disclosure relates to methods, a system and a module for operating a power converter module. The power converter module comprises a voltage converter, an output circuitry and a processing circuitry operable for controlling the voltage converter. One method comprises transmitting a first status signal representing operating parameters of the voltage converter to the processing circuitry. Determining whether the first status signal of the voltage converter is acceptable. The method also comprises transmitting a second status signal representing the operating parameters of the output circuitry to the processing circuitry. The method also comprises determining if the second status signal is above a predetermined threshold value. When the second status signal is above said predetermined threshold value and the status of the voltage converter is acceptable, entering a peak output mode operating the voltage converter at maximum power dissipation.
摘要翻译： 本公开涉及用于操作功率转换器模块的方法，系统和模块。 电力转换器模块包括电压转换器，输出电路和可操作以控制电压转换器的处理电路。 一种方法包括将表示电压转换器的操作参数的第一状态信号发送到处理电路。 确定电压转换器的第一状态信号是否可接受。 该方法还包括将表示输出电路的操作参数的第二状态信号发送到处理电路。 该方法还包括确定第二状态信号是否高于预定阈值。 当第二状态信号高于所述预定阈值并且电压转换器的状态是可接受的时，输入在最大功率耗散下操作电压转换器的峰值输出模式。
-
-
-
-
-
-
-
搜索结果
18 条记录 (耗时 0.037 秒)
