Switching power supply apparatus
    91.
    发明专利
    Switching power supply apparatus 有权
    切换电源设备

    公开(公告)号:JP2011172414A

    公开(公告)日:2011-09-01

    申请号:JP2010034925

    申请日:2010-02-19

    CPC classification number: H02M3/1588 H02M2003/1566 Y02B70/1466

    Abstract: PROBLEM TO BE SOLVED: To provide a switching power supply apparatus which reacts to load variation at high speed, ensures stable output voltage, and can produce a high output current through parallel connection.
    SOLUTION: The optimum response multimode digital current program system control unit of the switching power supply apparatus has an operation mode detection circuit which switches the operation mode by detecting a rapid change in the output voltage, a peak/valley detection and optimum current difference calculation unit which detects the extreme value of the output voltage and calculates the amount of charges that are lost from a capacitor, and an inductor current detecting and memorizing device which detects and memorizes the inductor current when the extreme value of the output voltage is detected, wherein on/off operation of the first switching element or the second switching element is controlled according to control by means of the operation mode detection circuit, the peak/valley detection and optimum current difference calculation unit, and the inductor current detection and memorizing device.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种对高速负载变化作出反应的开关电源装置,确保稳定的输出电压,并且可以通过并联连接产生高输出电流。 解决方案:开关电源装置的最佳响应多模数字电流程序系统控制单元具有操作模式检测电路,其通过检测输出电压的快速变化,峰谷检测和最佳电流来切换操作模式 差分计算单元,其检测输出电压的极值,并计算从电容器损失的电荷量;以及电感器电流检测和存储装置,其在检测到输出电压的极值时检测并存储电感器电流 其中,根据通过操作模式检测电路,峰谷检测和最佳电流差计算单元的控制以及电感器电流检测和存储装置来控制第一开关元件或第二开关元件的开/关操作 。 版权所有(C)2011,JPO&INPIT

    Voltage generator, the voltage generator circuit, a voltage generating method

    公开(公告)号:JP2011521612A

    公开(公告)日:2011-07-21

    申请号:JP2011508941

    申请日:2009-05-15

    CPC classification number: H02M3/1582 H02M3/1588 H02M2001/009 Y02B70/1466

    Abstract: 電圧源(110)と、インダクタ(108)であって、インダクタの第1の端子が電圧源に切換え可能に接続される、インダクタと、インダクタの第2の端子(116)に切換え可能に接続された複数のキャパシタ(202)であって、複数のキャパシタの両端でそれぞれの複数の電圧(Vi)が形成される、複数のキャパシタとを備える電圧生成装置を備えるバックブーストコンバータが開示される。
    図訳

    図1
    #1 従来技術

    図2
    #1 ハイ#2 ロー

    図3
    #1 プリチャージ#2 充電#3 PWMサイクル

    図4
    #1 充電#2 PWMサイクル

    図5
    #1 PWMサイクル開始#2 オン#3 ランプ発生器#4 PWMサイクルの開始#5 201はすべて開いている

    図6
    #1 PWMサイクル開始#2 PWMサイクルの開始

    図7
    728 V
    1 開始(ブロック600
    1 のイネーブル)
    730 スイッチ制御740 ブロック600
    n のイネーブルおよびスイッチ制御#1 バック#2 ブースト#3 PWM開始

    Dc-dc converter and dc voltage conversion method
    93.
    发明专利
    Dc-dc converter and dc voltage conversion method 有权
    DC-DC转换器和直流电压转换方法

    公开(公告)号:JP2011101479A

    公开(公告)日:2011-05-19

    申请号:JP2009253816

    申请日:2009-11-05

    Inventor: NAKAZONO KOICHI

    CPC classification number: H02M3/1588 Y02B70/1466

    Abstract: PROBLEM TO BE SOLVED: To obtain a DC-DC converter that is low in power consumption and high in efficiency and which enables stable operation and attainment of appropriate slope compensation, at dynamic change of the output voltage.
    SOLUTION: The DC-DC converter includes a switching circuit (23, 24, 25) that is driven by a drive signal and converts a voltage value between input and output; an error amplifier (17) that generates a signal of the error between a target output voltage value to be outputted from the output and an output voltage value at the output; a PWM comparator (20, 21) that generates a PWM signal, based on the error signal; a current feedback signal between input and output, and a slope compensation signal for a current value between input and output; and a latch circuit (22) that generates a drive signal, based on the PWM signal and a predetermined periodic signal. The DC-DC converter is provided with an output voltage setting register (10), that records a set voltage value corresponding to the target output voltage value, and a slope compensation circuit (13) that generates a slope compensation signal that contains the amount of slope compensation corresponding to the set voltage value.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:在输出电压的动态变化时,获得功耗低,效率高的DC-DC转换器,能够稳定运行并获得适当的斜率补偿。 解决方案:DC-DC转换器包括由驱动信号驱动并转换输入和输出之间的电压值的开关电路(23,24,25); 误差放大器(17),其产生要从所述输出端输出的目标输出电压值与所述输出端的输出电压值之间的误差信号; 基于所述误差信号产生PWM信号的PWM比较器(20,21); 输入和输出之间的电流反馈信号和用于输入和输出之间的电流值的斜率补偿信号; 以及基于PWM信号和预定周期信号产生驱动信号的锁存电路(22)。 DC-DC转换器配备有输出电压设定寄存器(10),其记录与目标输出电压值对应的设定电压值,以及斜率补偿电路(13),其产生包含量 斜率补偿对应于设定电压值。 版权所有(C)2011,JPO&INPIT

    Semiconductor device and power supply circuit
    95.
    发明专利
    Semiconductor device and power supply circuit 有权
    半导体器件和电源电路

    公开(公告)号:JP2011035292A

    公开(公告)日:2011-02-17

    申请号:JP2009182286

    申请日:2009-08-05

    Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device that suppresses carrier injection into a substrate, and to provide a power supply circuit.
    SOLUTION: The semiconductor device has: a fourth semiconductor region 26 of a second conductivity type, provided on a surface of a semiconductor layer 22 of a first conductivity type while spaced apart from a first semiconductor region 23 of the second conductivity type, a second semiconductor region 24 of the second conductivity type, a third semiconductor region 25 of the first conductivity type; a fifth semiconductor region 27 of the first conductivity type, provided on the surface of the semiconductor layer 22 while spaced apart from the first semiconductor region 23, second semiconductor region 24, and third semiconductor region 25; and a floating electrode 35 connecting the fourth semiconductor region 26 and the fifth semiconductor region 27 to each other.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:提供抑制载体注入基板的半导体器件,并提供电源电路。 解决方案:半导体器件具有:第二导电类型的第四半导体区域26,设置在与第二导电类型的第一半导体区域23隔开的第一导电类型的半导体层22的表面上, 第二导电类型的第二半导体区域24,第一导电类型的第三半导体区域25; 第一导电类型的第五半导体区域27设置在半导体层22的表面上,同时与第一半导体区域23,第二半导体区域24和第三半导体区域25隔开; 以及将第四半导体区域26和第五半导体区域27彼此连接的浮置电极35。 版权所有(C)2011,JPO&INPIT

    Dc-dc converter and organic electroluminescence display using same
    100.
    发明专利
    Dc-dc converter and organic electroluminescence display using same 有权
    DC-DC转换器和有机电致发光显示器

    公开(公告)号:JP2010207070A

    公开(公告)日:2010-09-16

    申请号:JP2009100126

    申请日:2009-04-16

    Inventor: LEE AN-SU LEE MEIKO

    Abstract: PROBLEM TO BE SOLVED: To provide a DC-DC converter and organic electroluminescence display unit using the same, capable of generating a voltage of a first power supply so that an electric current running through an organic light-emitting diode is applied regardless of the voltage of a power supply input through a battery. SOLUTION: The DC-DC converter and organic electroluminescence display unit using the same is provided with: a voltage detection part which detects a voltage level of a driving power supply; a booster circuit which receives and boosts the driving power supply to generate and output a first power supply; an inverter circuit which receives and reverses the driving power supply to generate and output a second power supply; and a PWM control part which controls the booster circuit and the inverter circuit and regulates voltages of the first power supply and the second power supply; however, when the voltage of the driving power supply detected by the voltage detection part is higher than a predetermined voltage, reduces the voltage of the driving power supply more than that of the first power supply by dropping the voltage of the driving power supply. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题:为了提供一种DC-DC转换器和使用该DC-DC转换器的有机电致发光显示单元,能够产生第一电源的电压,使得通过有机发光二极管运行的电流不管 通过电池输入的电源的电压。 解决方案:使用其的DC-DC转换器和有机电致发光显示单元设置有:检测驱动电源的电压电平的电压检测部; 升压电路,其接收并升压所述驱动电源以产生并输出第一电源; 逆变器电路,其接收和反转所述驱动电源以产生并输出第二电源; 以及PWM控制部,其控制所述升压电路和所述逆变器电路,并调节所述第一电源和所述第二电源的电压; 然而,当由电压检测部检测到的驱动电源的电压高于预定电压时,通过降低驱动电源的电压来降低驱动电源的电压比第一电源的电压多。 版权所有(C)2010,JPO&INPIT

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