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公开(公告)号：US08686708B2
公开(公告)日：2014-04-01
申请号：US12725021
申请日：2010-03-16
CPC分类号： H02M3/073 , H01L2924/0002 , H02M2001/0032 , Y02B70/16 , H01L2924/00
摘要： A switching circuit includes: a switching section including at least one first terminal, a plurality of second terminals, and a switching element configured to connect the first terminal to one of the second terminals; a driver driving the switching element in accordance with an external terminal switching control signal; a DC-to-DC converter, which supplies electric power to the driver, having a first state with a response to a load transient and a second state with the response to a load transient being slower than the first state; and a power controller controlling the DC-to-DC converter to operate with the first state during a first time period corresponding to change in the external terminal switching control signal, and to operate with the second state during a second time period other than the first time period.
摘要翻译： 开关电路包括：开关部，包括至少一个第一端子，多个第二端子以及被配置为将所述第一端子连接到所述第二端子之一的开关元件; 根据外部端子切换控制信号驱动开关元件的驱动器; 向驱动器提供电力的DC-DC转换器具有对负载瞬变响应的第一状态和对负载瞬变的响应比第一状态慢的第二状态; 以及功率控制器，其控制所述DC-DC转换器在对应于所述外部端子切换控制信号的变化的第一时间段期间以所述第一状态操作，并且在除了所述第一状态之外的第二时间段期间以所述第二状态操作 时间段。
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公开(公告)号：US20100237842A1
公开(公告)日：2010-09-23
申请号：US12725021
申请日：2010-03-16
IPC分类号： G05F1/10
CPC分类号： H02M3/073 , H01L2924/0002 , H02M2001/0032 , Y02B70/16 , H01L2924/00
摘要： A switching circuit includes: a switching section including at least one first terminal, a plurality of second terminals, and a switching element configured to connect the first terminal to one of the second terminals; a driver driving the switching element in accordance with an external terminal switching control signal; a DC-to-DC converter, which supplies electric power to the driver, having a first state with a response to a load transient and a second state with the response to a load transient being slower than the first state; and a power controller controlling the DC-to-DC converter to operate with the first state during a first time period corresponding to change in the external terminal switching control signal, and to operate with the second state during a second time period other than the first time period.
摘要翻译： 开关电路包括：开关部，包括至少一个第一端子，多个第二端子以及被配置为将所述第一端子连接到所述第二端子之一的开关元件; 根据外部端子切换控制信号驱动开关元件的驱动器; 向驱动器提供电力的DC-DC转换器具有对负载瞬变响应的第一状态和对负载瞬变的响应比第一状态慢的第二状态; 以及功率控制器，其控制所述DC-DC转换器在对应于所述外部端子切换控制信号的变化的第一时间段期间以所述第一状态操作，并且在除了所述第一状态之外的第二时间段期间以所述第二状态操作 时间段。
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公开(公告)号：US08391805B2
公开(公告)日：2013-03-05
申请号：US13052473
申请日：2011-03-21
IPC分类号： H04B1/44
CPC分类号： H03K17/687 , H03K17/063 , H03K17/162 , H03K17/693 , H03K2217/0036 , H03K2217/0054 , H04B1/48
摘要： According to one embodiment, a semiconductor switch circuit includes a switch section, a decoder section, a DC-DC converter, a driver section, a first filter circuit, a first filter bypass circuit and a first bypass control circuit. The switch section includes an input-output terminal, radio frequency signal terminals, and semiconductor switch elements. The decoder section generates a switch control signal controlling a conduction and a non-conduction state of switch elements. The DC-DC converter generates a first potential. The driver section supplies the first and a second potential to a gate electrode of the switch elements. The first filter circuit is electrically connected between the DC-DC converter and the driver section and outputs the first potential to the driver section. The first filter bypass circuit is electrically connected with the first filter circuit. The first bypass control circuit supplies a first mode signal to the first filter bypass circuit.
摘要翻译： 根据一个实施例，半导体开关电路包括开关部分，解码器部分，DC-DC转换器，驱动器部分，第一滤波器电路，第一滤波器旁路电路和第一旁路控制电路。 开关部分包括输入输出端子，射频信号端子和半导体开关元件。 解码器部分产生控制开关元件的导通和非导通状态的开关控制信号。 DC-DC转换器产生第一电位。 驱动器部分将第一和第二电位提供给开关元件的栅电极。 第一滤波器电路电连接在DC-DC转换器和驱动器部分之间，并将第一电位输出到驱动器部分。 第一滤波器旁路电路与第一滤波器电路电连接。 第一旁路控制电路向第一滤波器旁路电路提供第一模式信号。
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公开(公告)号：US20120049938A1
公开(公告)日：2012-03-01
申请号：US13052473
申请日：2011-03-21
IPC分类号： H03K17/687
CPC分类号： H03K17/687 , H03K17/063 , H03K17/162 , H03K17/693 , H03K2217/0036 , H03K2217/0054 , H04B1/48
摘要： According to one embodiment, a semiconductor switch circuit includes a switch section, a decoder section, a DC-DC converter, a driver section, a first filter circuit, a first filter bypass circuit and a first bypass control circuit. The switch section includes an input-output terminal, radio frequency signal terminals, and semiconductor switch elements. The decoder section generates a switch control signal controlling a conduction and a non-conduction state of switch elements. The DC-DC converter generates a first potential. The driver section supplies the first and a second potential to a gate electrode of the switch elements. The first filter circuit is electrically connected between the DC-DC converter and the driver section and outputs the first potential to the driver section. The first filter bypass circuit is electrically connected with the first filter circuit. The first bypass control circuit supplies a first mode signal to the first filter bypass circuit.
摘要翻译： 根据一个实施例，半导体开关电路包括开关部分，解码器部分，DC-DC转换器，驱动器部分，第一滤波器电路，第一滤波器旁路电路和第一旁路控制电路。 开关部分包括输入输出端子，射频信号端子和半导体开关元件。 解码器部分产生控制开关元件的导通和非导通状态的开关控制信号。 DC-DC转换器产生第一电位。 驱动器部分将第一和第二电位提供给开关元件的栅电极。 第一滤波器电路电连接在DC-DC转换器和驱动器部分之间，并将第一电位输出到驱动器部分。 第一滤波器旁路电路与第一滤波器电路电连接。 第一旁路控制电路向第一滤波器旁路电路提供第一模式信号。
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公开(公告)号：US20130005279A1
公开(公告)日：2013-01-03
申请号：US13422559
申请日：2012-03-16
IPC分类号： H04B1/44 , H03K17/687 , H03K17/56
CPC分类号： H03K17/693 , H03K17/145 , H03K2217/0081 , H04B1/48
摘要： According to one embodiment, a semiconductor switch includes a switch section, a driver, and a power supply. The switch section switches a connection between a common terminal and a plurality of radio-frequency terminals. The driver outputs a control signal to the switch section based on a terminal switching signal. The power supply generates a first potential based on a reference potential varying in accordance with temperature and outputs the first potential to the driver.
摘要翻译： 根据一个实施例，半导体开关包括开关部分，驱动器和电源。 开关部分切换公共端子和多个射频终端之间的连接。 驱动器根据终端切换信号向开关部输出控制信号。 电源基于根据温度变化的参考电位产生第一电位，并将第一电位输出给驾驶员。
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公开(公告)号：US20120068757A1
公开(公告)日：2012-03-22
申请号：US13046934
申请日：2011-03-14
申请人： Toshiki Seshita , Mitsuru Sugawara
发明人： Toshiki Seshita , Mitsuru Sugawara
IPC分类号： H03K17/687 , H03K17/56
CPC分类号： H03K17/693 , H03K3/356104 , H03K17/102 , H03K2217/0054
摘要： According to one embodiment, a semiconductor switch includes a power supply circuit, a control circuit and a switch circuit. The power supply circuit includes an internal potential generator connected to a power supply, and a first transistor connected between an input and an output of the internal potential generator. The internal potential generator generates a first potential higher than an input potential. The first transistor is turned on when the first potential becomes lower than the input potential and has a threshold voltage being set so as to keep the first potential not lower than the input potential. The control circuit is configured to receive the first potential to output a high-level or low-level control signal. The switch circuit is configured to receive an input of the control signal to switch connection between terminals.
摘要翻译： 根据一个实施例，半导体开关包括电源电路，控制电路和开关电路。 电源电路包括连接到电源的内部电位发生器和连接在内部电位发生器的输入和输出端之间的第一晶体管。 内部电位发生器产生高于输入电位的第一电位。 当第一电位变得低于输入电位时，第一晶体管导通，并且设置阈值电压以使第一电位不低于输入电位。 控制电路被配置为接收第一电位以输出高电平或低电平控制信号。 开关电路被配置为接收控制信号的输入以切换端子之间的连接。
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公开(公告)号：US08923781B2
公开(公告)日：2014-12-30
申请号：US12952762
申请日：2010-11-23
IPC分类号： H04B1/44 , H03K17/00 , H03K17/691 , H03K3/354 , H03K17/687
CPC分类号： H03K17/6871 , H03K3/354 , H03K17/005 , H03K17/691
摘要： According to one embodiment, a semiconductor switch includes a voltage generator, a voltage controller, a driver, and a switch unit. The voltage generator generates a negative first potential. The voltage controller controls the first potential according to a terminal switch signal input from an outside. The driver is input the terminal switch signal, and outputs at least one selected from the first potential and the second potential based on the terminal switch signal. The second potential is a power supply voltage or is higher than the power supply voltage. The switch unit is provided on an SOT substrate, switches a connection between an antenna terminal and any one of high frequency terminals based on the output of the driver.
摘要翻译： 根据一个实施例，半导体开关包括电压发生器，电压控制器，驱动器和开关单元。 电压发生器产生负第一电位。 电压控制器根据从外部输入的端子开关信号来控制第一电位。 驱动器输入端子开关信号，并且基于端子开关信号输出从第一电位和第二电位中选择的至少一个。 第二个电位是电源电压或高于电源电压。 开关单元设置在SOT基板上，基于驱动器的输出，切换天线端子与高频端子中的任一个之间的连接。
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公开(公告)号：US20110159822A1
公开(公告)日：2011-06-30
申请号：US12952762
申请日：2010-11-23
CPC分类号： H03K17/6871 , H03K3/354 , H03K17/005 , H03K17/691
摘要： According to one embodiment, a semiconductor switch includes a voltage generator, a voltage controller, a driver, and a switch unit. The voltage generator generates a negative first potential. The voltage controller controls the first potential according to a terminal switch signal input from an outside. The driver is input the terminal switch signal, and outputs at least one selected from the first potential and the second potential based on the terminal switch signal. The second potential is a power supply voltage or is higher than the power supply voltage. The switch unit is provided on an SOT substrate, switches a connection between an anntena terminal and any one of high frequency terminals based on the output of the driver.
摘要翻译： 根据一个实施例，半导体开关包括电压发生器，电压控制器，驱动器和开关单元。 电压发生器产生负第一电位。 电压控制器根据从外部输入的端子开关信号来控制第一电位。 驱动器输入端子开关信号，并且基于端子开关信号输出从第一电位和第二电位中选择的至少一个。 第二个电位是电源电压或高于电源电压。 开关单元设置在SOT基板上，基于驱动器的输出，切换在内部端子和任何一个高频端子之间的连接。
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公开(公告)号：US08487688B2
公开(公告)日：2013-07-16
申请号：US13229985
申请日：2011-09-12
申请人： Toshiki Seshita
发明人： Toshiki Seshita
IPC分类号： H03K3/00
CPC分类号： H03K3/02 , H01L27/1203
摘要： According to one embodiment, a semiconductor device includes an interface, a power supply, a driver, and a switch section. The interface includes a first MOSFET and converts a terminal switch signal of input serial data into parallel data. The first MOSFET is provided on the SOI substrate and has a back gate in a floating state. The power supply includes a second MOSFET and generates an ON potential higher than a potential of a power supply to be supplied to the interface. The second MOSFET is provided on the SOI substrate and has a back gate connected to a source. The driver includes a third MOSFET and outputs a control signal for controlling the ON potential to be in a high level according to the parallel data. The third MOSFET is provided on the SOI substrate and has a back gate connected to a source.
摘要翻译： 根据一个实施例，半导体器件包括接口，电源，驱动器和开关部分。 该接口包括第一个MOSFET，并将输入串行数据的终端开关信号转换为并行数据。 第一个MOSFET被提供在SOI衬底上并且具有处于浮置状态的背栅极。 电源包括第二MOSFET并且产生高于要供应到接口的电源的电位的导通电位。 第二个MOSFET设置在SOI衬底上，并具有连接到源极的背栅极。 驱动器包括第三MOSFET，并且根据并行数据输出用于控制ON电位处于高电平的控制信号。 第三个MOSFET被提供在SOI衬底上并具有连接到源极的背栅极。
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公开(公告)号：US20130038362A1
公开(公告)日：2013-02-14
申请号：US13614108
申请日：2012-09-13
申请人： Toshiki Seshita
发明人： Toshiki Seshita
CPC分类号： H03K17/693
摘要： According to one embodiment, a semiconductor switch includes a voltage generator, a driver, a switch section, and a power supply controller. The voltage generator is configured to generate a first potential and a negative second potential. The first potential is higher than a power supply voltage supplied to a power supply terminal. The driver is connected to an output of the voltage generator and is configured to output the first potential in response to input of high level and to output the second potential in response to input of low level. The switch section is configured to switch connection between terminals in response to an output of the driver. The power supply controller is configured to control the output of the voltage generator.
摘要翻译： 根据一个实施例，半导体开关包括电压发生器，驱动器，开关部分和电源控制器。 电压发生器被配置为产生第一电位和负第二电位。 第一个电位高于供给电源端子的电源电压。 驱动器连接到电压发生器的输出端，并且被配置为响应于高电平的输入而输出第一电位，并且响应于低电平的输入而输出第二电位。 开关部分被配置为响应于驱动器的输出来切换端子之间的连接。 电源控制器被配置为控制电压发生器的输出。
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