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1. 发明授权

US06922321B2 Overcurrent limitation circuit 失效
标题翻译：过电流限制电路
公开(公告)号：US06922321B2
公开(公告)日：2005-07-26
申请号：US10314229
申请日：2002-12-09
申请人： Tomonari Katoh , Kohichi Hagino
发明人： Tomonari Katoh , Kohichi Hagino
IPC分类号： G05F1/56 , G05F1/575 , H02H9/08
CPC分类号： G05F1/575
摘要： An overcurrent limitation circuit for use in a direct current stabilization electric power supply circuit controls and drives an output transistor to output a constant voltage in accordance with a difference between a reference voltage and a voltage proportional to the output voltage. The overcurrent limitation circuit includes a proportional output current generating device for generating a current proportional to a current flowing through the output transistor, a current/voltage-converting device for converting an output current flowing from the proportional output current generating device into a voltage, and a switching device configured to supply the current/voltage converting device with the output current from the proportional output current generating device when the output voltage is higher than a prescribed level, and interrupts the supplying when the output voltage is lower than the prescribed level. A control device is provided so as to control the output transistor to output a current in accordance with an output voltage at a current supplying point of the proportional output current generating device.
摘要翻译：用于直流稳压电源电路的过电流限制电路根据参考电压和与输出电压成比例的电压之间的差值来控制和驱动输出晶体管输出恒定电压。过电流限制电路包括用于产生与流过输出晶体管的电流成比例的电流的比例输出电流产生装置，用于将从比例输出电流产生装置流出的输出电流转换为电压的电流/电压转换装置，以及开关装置，其被配置为当所述输出电压高于规定电平时，向所述电流/电压转换装置提供来自所述比例输出电流产生装置的输出电流，并且当所述输出电压低于所述规定电平时中断所述供给。提供控制装置，以便控制输出晶体管根据比例输出电流产生装置的电流提供点处的输出电压输出电流。

2. 发明申请

US20070216387A1 Switching regulator and method for changing output voltages thereof 失效
公开(公告)号：US20070216387A1
公开(公告)日：2007-09-20
申请号：US11785224
申请日：2007-04-16
申请人： Masahiro Matsuo , Tomonari Katoh
发明人： Masahiro Matsuo , Tomonari Katoh
IPC分类号： G05F1/46
CPC分类号： H02M3/158
摘要： A switching regulator including two switching elements and a control switching part. The two switching elements perform a switching operation according to a control signal to control an output voltage. One of the two switching elements is larger in ON-resistance and smaller in control electrode capacitance than the other. The control switching part performs PFM control over the one of the two switching elements to output a first predetermined voltage in a first operation mode, performs PWM control over the two switching elements to output a second predetermined voltage higher than the first predetermined voltage in a second operation mode, and switches the first operation mode to the second operation mode by performing the PFM control, changing the first predetermined voltage to the second predetermined voltage, and switching the PFM control to the PWM control after a first predetermined time elapses since start of increase in the output voltage.

3. 发明申请

US20070159151A1 Switching regulator and method for switching output voltage thereof 失效
标题翻译：开关稳压器及其输出电压的切换方法
公开(公告)号：US20070159151A1
公开(公告)日：2007-07-12
申请号：US10587255
申请日：2005-11-24
申请人： Tomonari Katoh , Masahiro Matsuo
发明人： Tomonari Katoh , Masahiro Matsuo
IPC分类号： G05F1/00
CPC分类号： H02M3/156
摘要： A switching regulator converts an input voltage to a predetermined voltage and outputs the predetermined voltage to a load through an output terminal. The switching regulator includes a first switching element, a second switching element, a control switching circuit part, and a smoothing circuit. When a first operating mode in which a PFM control is performed and a voltage from the output terminal becomes a first voltage is shifted to a second operating mode in which a PWM control is performed and the voltage from the output terminal becomes a second voltage larger than the first voltage, the control switching circuit part increases the voltage from the output terminal stepwise progressively from the first voltage to the second voltage while performing the PWM control.
摘要翻译：开关稳压器将输入电压转换为预定电压，并通过输出端子将预定电压输出到负载。开关调节器包括第一开关元件，第二开关元件，控制开关电路部分和平滑电路。当执行PFM控制的第一操作模式和来自输出端子的电压变为第一电压时，转换到执行PWM控制的第二操作模式，并且来自输出端子的电压变为大于第一电压，控制开关电路部分在执行PWM控制的同时，逐渐地从输出端逐渐地从第一电压逐渐增加到第二电压。

4. 发明授权

US07541788B2 Switching regulator and method for switching output voltage thereof 失效
标题翻译：开关稳压器及其输出电压的切换方法
公开(公告)号：US07541788B2
公开(公告)日：2009-06-02
申请号：US10587255
申请日：2005-11-24
申请人： Tomonari Katoh , Masahiro Matsuo
发明人： Tomonari Katoh , Masahiro Matsuo
IPC分类号： G05F1/40 , G05F1/56
CPC分类号： H02M3/156
摘要： A switching regulator converts an input voltage to a predetermined voltage and outputs the predetermined voltage to a load through an output terminal. The switching regulator includes a first switching element, a second switching element, a control switching circuit part, and a smoothing circuit. When a first operating mode in which a PFM control is performed and a voltage from the output terminal becomes a first voltage is shifted to a second operating mode in which a PWM control is performed and the voltage from the output terminal becomes a second voltage larger than the first voltage, the control switching circuit part increases the voltage from the output terminal stepwise progressively from the first voltage to the second voltage while performing the PWM control.
摘要翻译：开关稳压器将输入电压转换为预定电压，并通过输出端子将预定电压输出到负载。开关调节器包括第一开关元件，第二开关元件，控制开关电路部分和平滑电路。当执行PFM控制的第一操作模式和来自输出端子的电压变为第一电压时，转换到执行PWM控制的第二操作模式，并且来自输出端子的电压变为大于第一电压，控制开关电路部分在执行PWM控制的同时，逐渐地从输出端逐渐地从第一电压逐渐增加到第二电压。

5. 发明申请

US20080272759A1 DC converter with halt mode setting means 失效
公开(公告)号：US20080272759A1
公开(公告)日：2008-11-06
申请号：US12216221
申请日：2008-07-01
申请人： Katsuhiko Manabe , Tomonari Katoh , Minoru Sugiyama , Makoto Matsushima , Tadayoshi Ueda
发明人： Katsuhiko Manabe , Tomonari Katoh , Minoru Sugiyama , Makoto Matsushima , Tadayoshi Ueda
IPC分类号： G05F1/56
CPC分类号： H02M1/32 , H02M3/156 , H02M2001/0032 , Y02B70/16
摘要： A DC converter with a halt mode setting is disclosed for preventing the occurrence of over-current while alleviating the increase in the size of circuits, along with a method for setting up such a halt mode. The DC converter includes a semiconductor switch, a clock generator for outputting a clock signal to a gate of the semiconductor switch to be utilized for controlling an on/off time of the semiconductor switch such that a predetermined power is output from the generator, and a drive circuit for switching the semiconductor switch to the continuous-on state according to a halt mode setting requirement regardless of the clock signal, when the semiconductor switch, normally repeating on/off operations responsive to the clock signal, is in its off-state.

6. 发明授权

US07262588B2 Method and apparatus for power supply controlling capable of effectively controlling switching operations 失效
标题翻译：用于电源控制的方法和装置，能够有效地控制开关操作
公开(公告)号：US07262588B2
公开(公告)日：2007-08-28
申请号：US10995300
申请日：2004-11-24
申请人： Masahiro Matsuo , Tomonari Katoh
发明人： Masahiro Matsuo , Tomonari Katoh
IPC分类号： G05F1/40
CPC分类号： H02M3/1584 , H02M2001/0032 , Y02B70/16
摘要： A switching regulator includes a first switching element to perform a switching operation in accordance with a first control signal input thereto to control an output voltage based on an input voltage, a second switching element having a size smaller than the first switching element to perform a switching operation in accordance with one of the first control signal and a second control signal input thereto to control an output voltage based on the input voltage, and a control circuit to control the first and second switching elements to perform the switching operations in one of a normal operation mode and a light load operation mode in which a current consumed by a load connected to the switching regulator is smaller than a current consumed in the normal operation mode, and control the first switching element to be turned off in the light load operation mode.
摘要翻译：开关调节器包括：第一开关元件，用于根据输入的第一控制信号执行开关操作以基于输入电压来控制输出电压;第二开关元件，具有小于第一开关元件的尺寸，以执行开关根据输入的第一控制信号和第二控制信号中的一个控制信号，根据输入电压来控制输出电压，以及控制电路，控制第一和第二开关元件，以正常操作模式和轻负载操作模式，其中连接到开关调节器的负载消耗的电流小于在正常操作模式中消耗的电流，并且在轻负载操作模式中控制第一开关元件被关断。

7. 发明申请

US20060125459A1 DC converter with halt mode setting means 有权
标题翻译： DC转换器，具有停止模式设置装置
公开(公告)号：US20060125459A1
公开(公告)日：2006-06-15
申请号：US11350742
申请日：2006-02-10
申请人： Katsuhiko Manabe , Tomonari Katoh , Minoru Sugiyama , Makoto Matsushima , Tadayoshi Ueda
发明人： Katsuhiko Manabe , Tomonari Katoh , Minoru Sugiyama , Makoto Matsushima , Tadayoshi Ueda
IPC分类号： G05F1/40 , G05F1/56
CPC分类号： H02M1/32 , H02M3/156 , H02M2001/0032 , Y02B70/16
摘要： A DC converter with a halt mode setting is disclosed for preventing the occurrence of over-current while alleviating the increase in the size of circuits, along with a method for setting up such a halt mode. The DC converter includes a semiconductor switch, a clock generator for outputting a clock signal to a gate of the semiconductor switch to be utilized for controlling an on/off time of the semiconductor switch such that a predetermined power is output from the generator, and a drive circuit for switching the semiconductor switch to the continuous-on state according to a halt mode setting requirement regardless of the clock signal, when the semiconductor switch, normally repeating on/off operations responsive to the clock signal, is in its off-state.
摘要翻译：公开了一种具有停止模式设置的DC转换器，用于防止过电流的发生，同时减轻电路尺寸的增加，以及用于设置这种停止模式的方法。 DC转换器包括半导体开关，时钟发生器，用于向半导体开关的栅极输出时钟信号，以用于控制半导体开关的接通/关断时间，使得从发电机输出预定功率;以及驱动电路，用于根据暂停模式设定要求将半导体开关切换到连续导通状态，无论时钟信号如何，当半导体开关通常重复响应时钟信号的开/关操作处于其截止状态时。

8. 发明授权

US07701187B2 DC converter with halt mode setting means 失效
标题翻译： DC转换器，具有停止模式设置装置
公开(公告)号：US07701187B2
公开(公告)日：2010-04-20
申请号：US12216221
申请日：2008-07-01
申请人： Katsuhiko Manabe , Tomonari Katoh , Minoru Sugiyama , Makoto Matsushima , Tadayoshi Ueda
发明人： Katsuhiko Manabe , Tomonari Katoh , Minoru Sugiyama , Makoto Matsushima , Tadayoshi Ueda
IPC分类号： G05F1/56
CPC分类号： H02M1/32 , H02M3/156 , H02M2001/0032 , Y02B70/16
摘要： A DC converter with a halt mode setting is disclosed for preventing the occurrence of over-current while alleviating the increase in the size of circuits, along with a method for setting up such a halt mode. The DC converter includes a semiconductor switch, a clock generator for outputting a clock signal to a gate of the semiconductor switch to be utilized for controlling an on/off time of the semiconductor switch such that a predetermined power is output from the generator, and a drive circuit for switching the semiconductor switch to the continuous-on state according to a halt mode setting requirement regardless of the clock signal, when the semiconductor switch, normally repeating on/off operations responsive to the clock signal, is in its off-state.
摘要翻译：公开了一种具有停止模式设置的DC转换器，用于防止过电流的发生，同时减轻电路尺寸的增加，以及用于设置这种停止模式的方法。 DC转换器包括半导体开关，时钟发生器，用于向半导体开关的栅极输出时钟信号，以用于控制半导体开关的接通/关断时间，使得从发电机输出预定功率;以及驱动电路，用于根据暂停模式设定要求将半导体开关切换到连续导通状态，无论时钟信号如何，当半导体开关通常重复响应时钟信号的开/关操作处于其截止状态时。

9. 发明申请

US20070145964A1 DC-DC converter 失效
标题翻译： DC-DC转换器
公开(公告)号：US20070145964A1
公开(公告)日：2007-06-28
申请号：US11635763
申请日：2006-12-08
申请人： Tomonari Katoh
发明人： Tomonari Katoh
IPC分类号： G05F1/00
CPC分类号： H02M3/07 , H02M1/32 , H02M2001/0045 , H02M2001/007
摘要： A DC-DC converter is disclosed that includes a constant voltage circuit outputting a first voltage, a charge pump circuit outputting a second voltage, a current detection circuit converting the output current of the constant voltage circuit into a third voltage and outputting the third voltage, a first detection circuit detecting the first voltage and outputting a first detection voltage proportional thereto, a first overcurrent protection circuit comparing the third voltage and the first detection voltage and reducing the output first voltage and current of the constant voltage circuit when the third voltage exceeds the first detection voltage, a second detection circuit detecting the second voltage and outputting a second detection voltage proportional thereto, and a second overcurrent protection circuit comparing the third voltage and the second detection voltage and reducing the output first voltage and current of the constant voltage circuit when the third voltage exceeds the second detection voltage.
摘要翻译：公开了一种DC-DC转换器，其包括输出第一电压的恒压电路，输出第二电压的电荷泵电路，将恒压电路的输出电流转换为第三电压并输出第三电压的电流检测电路，第一检测电路，检测第一电压并输出与其成比例的第一检测电压;第一过电流保护电路，当第三电压超过第一电压时，比较第三电压和第一检测电压，并减小恒压电路的输出第一电压和电流; 第一检测电压，检测第二电压并输出与其成比例的第二检测电压的第二检测电路和比较第三电压和第二检测电压并减小恒压电路的输出第一电压和电流的第二过电流保护电路，第三个电压超过了seco nd检测电压。

10. 发明授权

US07221129B2 Switching regulator and method for changing output voltages thereof 有权
标题翻译：用于改变其输出电压的开关调节器和方法
公开(公告)号：US07221129B2
公开(公告)日：2007-05-22
申请号：US11115342
申请日：2005-04-27
申请人： Masahiro Matsuo , Tomonari Katoh
发明人： Masahiro Matsuo , Tomonari Katoh
IPC分类号： G05F1/00 , G05F1/613
CPC分类号： H02M3/158
摘要： A switching regulator including two switching elements and a control switching part. The two switching elements perform a switching operation according to a control signal to control an output voltage. One of the two switching elements is larger in ON-resistance and smaller in control electrode capacitance than the other. The control switching part performs PFM control over the one of the two switching elements to output a first predetermined voltage in a first operation mode, performs PWM control over the two switching elements to output a second predetermined voltage higher than the first predetermined voltage in a second operation mode, and switches the first operation mode to the second operation mode by performing the PFM control, changing the first predetermined voltage to the second predetermined voltage, and switching the PFM control to the PWM control after a first predetermined time elapses since start of increase in the output voltage.
摘要翻译：一种开关调节器，包括两个开关元件和一个控制开关部件。两个开关元件根据控制信号执行开关操作以控制输出电压。两个开关元件中的一个在导通电阻中较大，并且在控制电极电容中较小。控制切换部分对两个开关元件中的一个进行PFM控制，以在第一操作模式下输出第一预定电压，对两个开关元件执行PWM控制，以在第二开关元件中输出比第一预定电压高的第二预定电压操作模式，并且通过执行PFM控制将第一操作模式切换到第二操作模式，将第一预定电压改变为第二预定电压，并且在从开始增加开始经过第一预定时间后，将PFM控制切换到PWM控制在输出电压。

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