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1. 发明授权

US08760139B2 DC-DC converter control circuit and DC-DC converter including same 有权
标题翻译： DC-DC转换器控制电路和包括其的DC-DC转换器
公开(公告)号：US08760139B2
公开(公告)日：2014-06-24
申请号：US13607199
申请日：2012-09-07
申请人： Junji Nishida , Masaya Uchida
发明人： Junji Nishida , Masaya Uchida
IPC分类号： G05F1/00
CPC分类号： H02M3/1588 , H02M2001/0003 , H02M2001/0009 , H02M2001/0022 , Y02B70/1466 , Y10T307/50
摘要： A DC-DC converter control circuit, to control a DC-DC converter having an inductor and two switches, including a first feedback circuit; a second feedback circuit; a synthesis circuit to add a first feedback voltage indicating a DC component of an inductor current based on an output current of the DC-DC converter and a second feedback voltage indicating an AC component thereof to generate a third feedback voltage; a comparator to compare the third feedback voltage with a reference voltage to output a comparison result; and an on-time adjusting circuit to adjust on/off time of the switches based on the comparison result for outputting a control signal depending on the adjusting result. The second feedback voltage is generated based on a difference between input and output voltages of the DC-DC converter when the control signal is low and based on the output voltage when the control signal is high.
摘要翻译：一种DC-DC转换器控制电路，用于控制具有电感器的DC-DC转换器和包括第一反馈电路的两个开关; 第二个反馈电路; 合成电路，其基于所述DC-DC转换器的输出电流和表示其AC分量的第二反馈电压来添加指示电感器电流的直流分量的第一反馈电压以产生第三反馈电压; 比较器，用于将第三反馈电压与参考电压进行比较以输出比较结果; 以及基于用于根据调整结果输出控制信号的比较结果来调节开关的接通/断开时间的接通时间调节电路。当控制信号为低时，基于控制信号为高电平时的输出电压，基于DC-DC转换器的输入和输出电压之间的差异产生第二反馈电压。

2. 发明申请

US20150236544A1 WIRELESS POWER FEEDING UNIT, ELECTRONIC APPARATUS, AND METHOD OF CONTROLLING WIRELESS POWER FEEDING UNIT 审中-公开
标题翻译：无线电力馈送装置，电子装置及无线电力馈送装置的控制方法
公开(公告)号：US20150236544A1
公开(公告)日：2015-08-20
申请号：US14426812
申请日：2013-09-03
申请人： Masaya Uchida , Junji Nishida , Atsushi Nishii
发明人： Masaya Uchida , Junji Nishida , Atsushi Nishii
IPC分类号： H02J7/02
CPC分类号： H02J50/12 , H02J7/025
摘要： A wireless power feeding unit includes a receiving antenna; a control circuit having a wireless communication function in accordance with a communication standard; an impedance matching circuit, connected between the receiving antenna and the control circuit, for impedance matching between the receiving antenna and the control circuit; a conversion circuit converting alternate-current power into a direct-current voltage; a resonant circuit connected between the receiving antenna and the conversion circuit, receiving, in a resonant condition, electromagnetic energy via the receiving antenna, and outputting alternate-current power; and a switch circuit, based on a control signal from the control circuit, connecting the receiving antenna with the impedance matching circuit or the resonant circuit selectively. The control circuit controls the switch circuit so as to connect the receiving antenna with the impedance matching circuit for wireless communication and connect the receiving antenna with the resonant circuit for wireless power feeding.
摘要翻译：无线供电单元包括接收天线; 具有根据通信标准的无线通信功能的控制电路; 阻抗匹配电路，连接在接收天线和控制电路之间，用于接收天线与控制电路之间的阻抗匹配; 将交流电力转换为直流电压的转换电路; 连接在所述接收天线和所述转换电路之间的谐振电路，在谐振条件下经由所述接收天线接收电磁能量并输出交流电力; 以及基于来自控制电路的控制信号的开关电路，选择性地将接收天线与阻抗匹配电路或谐振电路连接。控制电路控制开关电路，以将接收天线与用于无线通信的阻抗匹配电路连接，并将接收天线与用于无线馈电的谐振电路连接。

3. 发明授权

US08766615B2 DC-DC converter control circuit and DC-DC converter including same 有权
标题翻译： DC-DC转换器控制电路和包括其的DC-DC转换器
公开(公告)号：US08766615B2
公开(公告)日：2014-07-01
申请号：US13607212
申请日：2012-09-07
申请人： Junji Nishida , Masaya Uchida
发明人： Junji Nishida , Masaya Uchida
IPC分类号： G05F1/00
CPC分类号： H02M3/156 , H02M2001/0022
摘要： A DC-DC converter control circuit, to control a DC-DC converter having an inductor and two switching elements, including a first feedback circuit to generate a first feedback voltage indicating a DC component of an inductor current of the inductor based on an output current of the DC-DC converter; a second feedback circuit to generate a second feedback voltage indicating an AC component of the inductor current; a synthesis circuit to add the first and second feedback voltages to generate a third feedback voltage; a comparator to compare the third feedback voltage with a reference voltage to output a control signal; and a driving circuit to control the switching elements. The second feedback voltage is generated based on a difference between input and output voltages of the DC-DC converter when the control signal from the comparator is low and based on the output voltage when the control signal is high.
摘要翻译：一种DC-DC转换器控制电路，用于控制具有电感器和两个开关元件的DC-DC转换器，其包括第一反馈电路，以基于输出电流产生指示电感器的电感器电流的DC分量的第一反馈电压的DC-DC转换器; 第二反馈电路，用于产生指示电感器电流的AC分量的第二反馈电压; 合成电路，用于添加第一和第二反馈电压以产生第三反馈电压; 比较器，用于将第三反馈电压与参考电压进行比较以输出控制信号; 以及用于控制开关元件的驱动电路。当来自比较器的控制信号为低电平且基于控制信号为高电平时的输出电压，基于DC-DC转换器的输入和输出电压之间的差异产生第二反馈电压。

4. 发明授权

US08760138B2 DC-DC converter control circuit and DC-DC converter including same 有权
标题翻译： DC-DC转换器控制电路和包括其的DC-DC转换器
公开(公告)号：US08760138B2
公开(公告)日：2014-06-24
申请号：US13607180
申请日：2012-09-07
申请人： Junji Nishida , Masaya Uchida
发明人： Junji Nishida , Masaya Uchida
IPC分类号： G05F1/00
CPC分类号： H02M3/156 , H02M2001/0022
摘要： A DC-DC converter control circuit, to control a DC-DC converter having an inductor and two switching elements, including a first feedback circuit to generate a first feedback voltage indicating a DC component of an inductor current of the inductor based on an output voltage of the DC-DC converter; a second feedback circuit to generate a second feedback voltage indicating an AC component of the inductor current; a synthesis circuit to add the first and second feedback voltages to generate a third feedback voltage; a comparator to compare the third feedback voltage with a reference voltage to output a control signal; and a driving circuit to control the switching elements. The second feedback voltage is generated based on a difference between input and output voltages of the DC-DC converter when the control signal from the comparator is low and based on the output voltage when the control signal is high.
摘要翻译：一种DC-DC转换器控制电路，用于控制具有电感器和两个开关元件的DC-DC转换器，所述DC-DC转换器包括第一反馈电路，以基于输出电压产生指示电感器的电感器电流的DC分量的第一反馈电压的DC-DC转换器; 第二反馈电路，用于产生指示电感器电流的AC分量的第二反馈电压; 合成电路，用于添加第一和第二反馈电压以产生第三反馈电压; 比较器，用于将第三反馈电压与参考电压进行比较以输出控制信号; 以及用于控制开关元件的驱动电路。当来自比较器的控制信号为低电平且基于控制信号为高电平时的输出电压，基于DC-DC转换器的输入和输出电压之间的差异产生第二反馈电压。

5. 发明授权

US08760137B2 DC-DC converter control circuit and DC-DC converter including same 有权
标题翻译： DC-DC转换器控制电路和包括其的DC-DC转换器
公开(公告)号：US08760137B2
公开(公告)日：2014-06-24
申请号：US13607164
申请日：2012-09-07
申请人： Junji Nishida , Masaya Uchida
发明人： Junji Nishida , Masaya Uchida
IPC分类号： G05F1/00
CPC分类号： H02M3/156 , H02M2001/0022 , Y10T307/50
摘要： A DC-DC converter control circuit, to control a DC-DC converter having an inductor and two switches, including a first feedback circuit; a second feedback circuit; a synthesis circuit to add a first feedback voltage indicating a DC component of an inductor current based on an output voltage of the DC-DC converter and a second feedback voltage indicating an AC component thereof to generate a third feedback voltage; a comparator to compare the third feedback voltage with a reference voltage to output a comparison result; and an on-time adjusting circuit to adjust on/off time of the switches based on the comparison result for outputting a control signal depending on the adjusting result. The second feedback voltage is generated based on a difference between input and output voltages of the DC-DC converter when the control signal is low and based on the output voltage when the control signal is high.
摘要翻译：一种DC-DC转换器控制电路，用于控制具有电感器的DC-DC转换器和包括第一反馈电路的两个开关; 第二反馈电路; 合成电路，用于基于DC-DC转换器的输出电压添加指示电感器电流的DC分量的第一反馈电压和指示其AC分量的第二反馈电压以产生第三反馈电压; 比较器，用于将第三反馈电压与参考电压进行比较以输出比较结果; 以及基于用于根据调整结果输出控制信号的比较结果来调节开关的接通/断开时间的接通时间调节电路。当控制信号为低时，基于控制信号为高电平时的输出电压，基于DC-DC转换器的输入和输出电压之间的差异产生第二反馈电压。

6. 发明申请

US20130063105A1 DC-DC CONVERTER CONTROL CIRCUIT AND DC-DC CONVERTER INCLUDING SAME 有权
标题翻译：直流 - 直流转换器控制电路和包括其的直流 - 直流转换器
公开(公告)号：US20130063105A1
公开(公告)日：2013-03-14
申请号：US13607164
申请日：2012-09-07
申请人： Junji Nishida , Masaya Uchida
发明人： Junji Nishida , Masaya Uchida
IPC分类号： G05F1/56 , G05F1/46
CPC分类号： H02M3/156 , H02M2001/0022 , Y10T307/50
摘要： A DC-DC converter control circuit, to control a DC-DC converter having an inductor and two switches, including a first feedback circuit; a second feedback circuit; a synthesis circuit to add a first feedback voltage indicating a DC component of an inductor current based on an output voltage of the DC-DC converter and a second feedback voltage indicating an AC component thereof to generate a third feedback voltage; a comparator to compare the third feedback voltage with a reference voltage to output a comparison result; and an on-time adjusting circuit to adjust on/off time of the switches based on the comparison result for outputting a control signal depending on the adjusting result. The second feedback voltage is generated based on a difference between input and output voltages of the DC-DC converter when the control signal is low and based on the output voltage when the control signal is high.
摘要翻译：一种DC-DC转换器控制电路，用于控制具有电感器的DC-DC转换器和包括第一反馈电路的两个开关; 第二反馈电路; 合成电路，用于基于DC-DC转换器的输出电压添加指示电感器电流的DC分量的第一反馈电压和指示其AC分量的第二反馈电压以产生第三反馈电压; 比较器，用于将第三反馈电压与参考电压进行比较以输出比较结果; 以及基于用于根据调整结果输出控制信号的比较结果来调节开关的接通/断开时间的接通时间调节电路。当控制信号为低时，基于控制信号为高电平时的输出电压，基于DC-DC转换器的输入和输出电压之间的差异产生第二反馈电压。

7. 发明授权

US08994323B2 Charging circuit and control method therefor 有权
标题翻译：充电电路及其控制方法
公开(公告)号：US08994323B2
公开(公告)日：2015-03-31
申请号：US13602001
申请日：2012-08-31
申请人： Junji Nishida
发明人： Junji Nishida
IPC分类号： H02J7/00 , G01R25/00 , H03K5/22 , H03K17/687
CPC分类号： H02J7/0034 , G01R25/00 , H03K5/22 , H03K17/687
摘要： A charging circuit includes a power path control unit which switches a first switch connected between a system connection terminal and a battery connection terminal on while not charging, and switches the first switch on and a second switch connected between an external power supply input terminal and the system connection terminal on while charging so as to supply power to a system and charge a battery. A voltage difference between the external power supply input terminal and the battery connection terminal is detected, a current flowing between the external power supply input terminal and the system connection terminal is detected, and it is determined that an external power supply is disconnected based on the detection results of the voltage differences and the current.
摘要翻译：充电电路包括电源路径控制单元，其在不充电的同时切换连接在系统连接端子和电池连接端子之间的第一开关，并且将第一开关接通和连接在外部电源输入端子与第二开关之间的第二开关系统连接端子在充电时打开，以向系统供电并为电池充电。检测外部电源输入端子和电池连接端子之间的电压差，检测在外部电源输入端子与系统连接端子之间流动的电流，并且基于该外部电源输入端子与系统连接端子断开外部电源电压差和电流的检测结果。

8. 发明授权

US08129970B2 Switching regulator with reverse current detection 失效
标题翻译：开关稳压器，带反向电流检测
公开(公告)号：US08129970B2
公开(公告)日：2012-03-06
申请号：US12034377
申请日：2008-02-20
申请人： Junji Nishida
发明人： Junji Nishida
IPC分类号： G05F1/00
CPC分类号： H02M3/1582
摘要： A switching regulator that includes an inductor, a first step-down switch to store charge in the inductor, a second step-down switch to discharge the charge, a first step-up switch to store charge in the inductor, a second step-up switch to discharge the charge, a reverse current detector to detect a reverse current from an output terminal to the inductor through the second step-up switch, or an indication of the reverse current, based on a detection voltage, and a controller to control the first and second step-down switches, and the first and second step-up switches to output a predetermined constant voltage, and to shut off the second step-up switch to make shutdown condition when the detector detects the reverse current or an indication of the reverse current. The reverse current detector may have a threshold value in the step-down operation that is different from a threshold value in the step-up operation.
摘要翻译：一种开关调节器，包括电感器，用于在电感器中存储电荷的第一降压开关，用于放电电荷的第二降压开关，用于在电感器中存储电荷的第一升压开关，第二升压切换到放电电荷，反向电流检测器，通过第二升压开关检测从输出端子到电感器的反向电流，或者基于检测电压的反向电流的指示，以及控制器第一和第二降压开关，以及第一和第二升压开关，以输出预定的恒定电压，并且当检测器检测到反向电流时，关闭第二升压开关以进行关断状态，或者指示反向电流。反向电流检测器可以在降压操作中具有与升压操作中的阈值不同的阈值。

9. 发明授权

US07684163B2 Abnormal connection detecting circuit and driving device including the same 失效
标题翻译：异常连接检测电路及其驱动装置
公开(公告)号：US07684163B2
公开(公告)日：2010-03-23
申请号：US11517962
申请日：2006-09-07
申请人： Junji Nishida
发明人： Junji Nishida
IPC分类号： H02H3/08 , H02H9/02
CPC分类号： H02H11/005
摘要： A device for detecting an abnormal connection status of a load connected between a first connection terminal and a second connection terminal is disclosed. An abnormal connection detecting circuit includes a first transistor configured to receive a predetermined first bias voltage, and output a current according to a voltage of the second connection terminal; and an abnormality detector configured to detect the current output from the first transistor, and detect the abnormal connection status based on the detected current.
摘要翻译：公开了一种用于检测连接在第一连接端子和第二连接端子之间的负载的异常连接状态的装置。异常连接检测电路包括：第一晶体管，被配置为接收预定的第一偏置电压，并根据第二连接端子的电压输出电流; 以及异常检测器，被配置为检测来自第一晶体管的电流输出，并且基于检测到的电流来检测异常连接状态。

10. 发明授权

US07514910B2 DC-DC converter capable of performing for wide and dynamic voltage range 失效
标题翻译： DC-DC转换器能够实现宽动态电压范围
公开(公告)号：US07514910B2
公开(公告)日：2009-04-07
申请号：US12020023
申请日：2008-01-25
申请人： Junji Nishida
发明人： Junji Nishida
IPC分类号： G05F1/40
CPC分类号： H02M3/156 , H02M2001/0025
摘要： This patent specification describes a DC-DC converter which includes a switch configured to control an output voltage, a driver circuit configured to drive the switch, a flip-flop configured to control the driver circuit, an error amplifier configured to compare a feedback voltage of the output voltage with a reference voltage, a detector configured to sense an output current, a control voltage generator configured to generate a control voltage being ramped and a PWM comparator configured to compare the control voltage with an output voltage of the error amplifier and output a reset signal to the flip-flop. Ramping speed of the control voltage is changed in accordance with an external-control voltage input at an external-control terminal.
摘要翻译：该专利说明书描述了一种DC-DC转换器，其包括被配置为控制输出电压的开关，被配置为驱动开关的驱动器电路，被配置为控制驱动器电路的触发器，误差放大器，被配置为将具有参考电压的输出电压，被配置为感测输出电流的检测器，被配置为产生斜坡控制电压的控制电压发生器和被配置为将所述控制电压与所述误差放大器的输出电压进行比较并输出复位信号到触发器。根据外部控制端子输入的外部控制电压来改变控制电压的斜坡速度。

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