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11. 发明专利

JP2010231342A Power supply circuit 有权
标题翻译：电源电路
公开(公告)号：JP2010231342A
公开(公告)日：2010-10-14
申请号：JP2009076306
申请日：2009-03-26
申请人： Denso Corp , 株式会社デンソー
发明人： NAKADA SHINICHIRO , NAGATA JUNICHI , KITAGAWA MASAHIRO
IPC分类号： G05F1/56
摘要： PROBLEM TO BE SOLVED: To provide a power supply circuit in which a fluctuation in a power supply output voltage is suppressed while an increase in current consumption is suppressed as much as possible. SOLUTION: When a transistor T2 is turned on in a power supply circuit, current flows from a power supply line 2 through a current supply circuit 11, a voltage load circuit 10 and a transistor T2 to a power supply line 3. In this case, the added voltage of an inter-collector/emitter saturation voltage of the transistor T2 and the inter-terminal voltage of the voltage load circuit 10 is applied to the base of the transistor T1. When the transistor T2 is turned off from this state, the rising of the voltage of the base of the transistor T1 from the added voltage is started. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供尽可能地抑制电流消耗的增加而抑制电源输出电压的波动的电源电路。解决方案：当晶体管T2在电源电路中导通时，电流从电源线2通过电流供给电路11，电压负载电路10和晶体管T2流向电源线3.在在这种情况下，将晶体管T2的集电极间/发射极饱和电压和电压负载电路10的端子间电压的相加电压施加到晶体管T1的基极。当晶体管T2从该状态截止时，开始晶体管T1的基极的电压的上升。版权所有（C）2011，JPO＆INPIT

12. 发明专利

JP2009288868A Circuit system and method for controlling power source voltage thereof 有权
标题翻译：用于控制电源电压的电路系统和方法
公开(公告)号：JP2009288868A
公开(公告)日：2009-12-10
申请号：JP2008138219
申请日：2008-05-27
申请人： Denso Corp , 株式会社デンソー
发明人： HASEGAWA ISAO , NAGATA JUNICHI
IPC分类号： G05F1/56
摘要： PROBLEM TO BE SOLVED: To provide a circuit system in which efficiency can be improved by reducing a difference from an output voltage, even if the input voltage of a series regulator cannot be changed.
SOLUTION: In this circuit system, a plurality of circuit blocks 2A to 2C are connected in series between an output terminal of a series power supply 1 and the ground, and each circuit block 2 has a power consumption control unit 4 to control own power consumption. A sensor unit 5 monitors a power source terminal potential (X) and a negative power source terminal potential (Y) for the circuit blocks 2B, 2C which are not arranged on uppermost stage. A control unit 6 gives power consumption control commands A to C to the power consumption control units 4A to 4C of the circuit block 2A to 2C, according to monitored results.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：即使不能改变串联调节器的输入电压，也可提供通过减小与输出电压的差异来提高效率的电路系统。解决方案：在该电路系统中，多个电路块2A至2C串联连接在串联电源1的输出端和地之间，并且每个电路块2具有用于控制的功率消耗控制单元4 自己的功耗。传感器单元5监视未布置在最上层的电路块2B，2C的电源端子电位（X）和负电源端子电位（Y）。根据监视结果，控制单元6向电路块2A至2C的功耗控制单元4A至4C提供功耗控制命令A至C。版权所有（C）2010，JPO＆INPIT

13. 发明专利

JP2008029085A Drive unit for switching device and switching constant-voltage power supply unit 审中-公开
标题翻译：用于切换设备和切换恒压电源单元的驱动单元
公开(公告)号：JP2008029085A
公开(公告)日：2008-02-07
申请号：JP2006196889
申请日：2006-07-19
申请人： Denso Corp , 株式会社デンソー
发明人： NAGATA JUNICHI , YAMAMOTO SEI , MURATA AKITAKA , UEDA NOBUTADA
IPC分类号： H02M3/155
摘要： PROBLEM TO BE SOLVED: To provide a drive unit for a switching device capable of reducing heat generation and switching loss of the switching device.
SOLUTION: A control circuit 53 generates a control signal CS capable of performing switching between a high level and a low level at a proper duty ratio, based on the voltage of an output terminal Vout. A drive circuit 52 generates a drive signal DS for driving a transistor 51, in accordance with the control signal CS of the control circuit 53 and outputs the drive signal DS from an output terminal 52c, to apply a voltage to the gate of the transistor 51. The on/off operation of the transistor 51 is switched, in accordance with the driving signal DS (control signal CS). A booster circuit 11 generates a boosting voltage VP with the power supply voltage of a DC power supply Vcc boosted, and supplies the boosting voltage VP to the high-potential-side power supply terminal 52a of the booster circuit 52. A capacitor 12 is connected in between the high potential side power supply terminal 52a of the booster circuit 52 and the ground.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够减少开关装置的发热和开关损耗的开关装置的驱动单元。解决方案：控制电路53基于输出端子Vout的电压产生能够以适当占空比在高电平和低电平之间进行切换的控制信号CS。驱动电路52根据控制电路53的控制信号CS产生用于驱动晶体管51的驱动信号DS，并从输出端子52c输出驱动信号DS，以向晶体管51的栅极施加电压根据驱动信号DS（控制信号CS）切换晶体管51的开/关动作。升压电路11随着直流电源Vcc的电源电压升高而产生升压电压VP，并且将升压电压VP提供给升压电路52的高电位侧电源端子52a。电容器12被连接在升压电路52的高电位侧电源端子52a和地之间。版权所有（C）2008，JPO＆INPIT

14. 发明专利

JP2007305855A Semiconductor integrated circuit and method of evaluating pressure resistance of semiconductor circuit trench 审中-公开
标题翻译：半导体集成电路和半导体电路耐压评估方法
公开(公告)号：JP2007305855A
公开(公告)日：2007-11-22
申请号：JP2006133880
申请日：2006-05-12
申请人： Denso Corp , 株式会社デンソー
发明人： MIURA RYOTARO , NAGATA JUNICHI
IPC分类号： H01L21/76 , H01L21/822 , H01L27/04 , H01L27/08 , H01L27/12
摘要： PROBLEM TO BE SOLVED: To provide a semiconductor integrated circuit for allowing easy evaluation of insulation pressure resistance when a multiple trench structure is employed.
SOLUTION: The semiconductor integrated circuit comprises an FET 22 disposed between a trench field region 14 located between double trenches 12, 13 that encircle a device 3 and a field region 11. If, after the FET 22 is brought into an OFF state and the pressure resistance of the trenches 12, 13 is evaluated, a power VCC is supplied to a semiconductor circuit 21 by connecting a pad 9(2) connected to the field region 14 to a pin 7(1), then the FET 22 is caused to turn on and the field regions 11, 14 are set to a field ground potential FG.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种半导体集成电路，用于在采用多沟槽结构时容易评估绝缘耐压性。解决方案：半导体集成电路包括设置在位于围绕器件3的双沟槽12,13之间的沟槽场区域14和场区域11之间的FET22。如果在FET 22处于截止状态之后并且评估沟槽12,13的耐压性，通过将连接到场区域14的焊盘9（2）连接到引脚7（1）而将电源VCC提供给半导体电路21，然后FET 22为导致导通，场区域11,14被设定为场地电位FG。版权所有（C）2008，JPO＆INPIT

15. 发明专利

JP2005190111A Constant-voltage circuit 有权
标题翻译：恒电压电路
公开(公告)号：JP2005190111A
公开(公告)日：2005-07-14
申请号：JP2003429825
申请日：2003-12-25
申请人： Denso Corp , 株式会社デンソー
发明人： KITAGAWA MASAHIRO , KOJIMA AKIO , NAGATA JUNICHI
IPC分类号： G05F1/56 , G05F1/573 , G05F3/04 , G05F3/22 , G05F3/24
CPC分类号： G05F3/242 , G05F1/573
摘要： PROBLEM TO BE SOLVED: To improve output voltage accuracy, in a constant-voltage circuit outputting a constant voltage from an output terminal.
SOLUTION: A voltage detection circuit 8 detects a base-emitter voltage VBE (Q1) of a transistor Q1, and a current output circuit 9 outputs a bias current I1, according to the detected voltage. When the voltage VBE (Q1) is increased, the output current I1 of the current output circuit 9 is increased, and a base/emitter voltage VBE (Q2) of a transistor Q2 is also increased. Contrarily, when the voltage VBE (Q1) is reduced, the output current I1 of the current output circuit 9 is reduced, and the base/emitter voltage VBE (Q2) of the transistor Q2 is also reduced. As a result, the base/emitter voltages VBE of the transistor Q1 and the transistor Q2 are equalized, regardless of a load change to bring an output voltage VOUT into line with a Zener voltage Vz with high accuracy.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：在输出端子输出恒定电压的恒压电路中提高输出电压精度。解决方案：电压检测电路8检测晶体管Q1的基极 - 发射极电压VBE（Q1），并且电流输出电路9根据检测到的电压输出偏置电流I1。当电压VBE（Q1）增加时，电流输出电路9的输出电流I1增加，并且晶体管Q2的基极/发射极电压VBE（Q2）也增加。相反，当电压VBE（Q1）减小时，电流输出电路9的输出电流I1减小，晶体管Q2的基极/发射极电压VBE（Q2）也减小。结果，不管负载变化如何，晶体管Q1和晶体管Q2的基极/发射极电压VBE都被均衡，从而使输出电压VOUT以高精度与齐纳二极管Vz一致。版权所有（C）2005，JPO＆NCIPI

16. 发明专利

JP2004201466A Direct current, constant-voltage power circuit 有权
公开(公告)号：JP2004201466A
公开(公告)日：2004-07-15
申请号：JP2002370033
申请日：2002-12-20
申请人： Denso Corp , 株式会社デンソー
发明人： NAGATA JUNICHI
IPC分类号： G05F1/56 , H02M3/155
摘要： PROBLEM TO BE SOLVED: To easily change the output voltage of a direct current, constant-voltage power circuit wherein a series power circuit is connected to the back of a switching power circuit, without increasing power loss or impairing the stability of output voltage.
SOLUTION: A certain voltage value is added to a value obtained by multiplying the output voltage of the series power circuit by the voltage feedback ratio of the switching power circuit, and the value thus obtained is used as the reference voltage for the switching power circuit. The certain voltage value is so set that the voltage applied to the output transistor of the series power circuit is the minimum voltage at which stable output voltage is obtained.
COPYRIGHT: (C)2004,JPO&NCIPI

17. 发明专利

JP2004030266A Power circuit 有权
公开(公告)号：JP2004030266A
公开(公告)日：2004-01-29
申请号：JP2002186016
申请日：2002-06-26
申请人： Denso Corp , 株式会社デンソー
发明人： KOJIMA AKIO , NAGATA JUNICHI
IPC分类号： G05F1/56 , G05F1/575
CPC分类号： G05F1/575
摘要： PROBLEM TO BE SOLVED: To prevent a reverse current from flowing from an output power terminal side to an input power terminal side in a series regulator type power circuit.
SOLUTION: When an IG switch 23 is off, a reverse current due to an output voltage Vo is blocked between the emitter and base of a transistor 29 to prevent a current from flowing around from the output side of the power circuit 28 to a load circuit 26. When the IG switch 23 is on, a transistor 38 supplies a current Ia to a resistance 30 and a constant-current circuit 39 absorbs the current Ia, and hence the power circuit 27 can control the output voltage Vo to a target output voltage irrelevantly to the level of the load current.
COPYRIGHT: (C)2004,JPO

18. 发明专利

JP2012227825A Load drive device 有权
标题翻译：负载驱动装置
公开(公告)号：JP2012227825A
公开(公告)日：2012-11-15
申请号：JP2011095232
申请日：2011-04-21
申请人： Denso Corp , 株式会社デンソー
发明人： SENDA YASUTAKA , NAGATA JUNICHI
IPC分类号： H03K17/687 , H03K17/16
摘要： PROBLEM TO BE SOLVED: To reduce variations in switching loss, voltage surge and peak current by reducing variations in gate voltage gradient.SOLUTION: A control delay operation circuit 6 delays by a delay time the transmission of the switching of an off permission signal from a disabling state to an enabling state to an off holding device 5. After the lapse of the delay time, a stable value of output current of a constant current drive circuit 30 having reached a target value of constant current can be supplied to a gate 1a of a switching element 1. This can reduce variations in gate voltage rise gradient to reduce variations in switching loss, voltage surge and peak current.
摘要翻译：要解决的问题：通过减小栅极电压梯度的变化来减少开关损耗，电压浪涌和峰值电流的变化。解决方案：控制延迟运算电路6延迟延迟时间将关闭许可信号从禁用状态切换到使能状态的传输到关闭保持装置5.在经过延迟时间之后，a 达到目标恒定电流值的恒定电流驱动电路30的输出电流的稳定值可以提供给开关元件1的门1a。这可以减小栅极电压上升梯度的变化，以减少开关损耗，电压浪涌和峰值电流。版权所有（C）2013，JPO＆INPIT

19. 发明专利

JP2011244518A Discharge device for power conversion system 有权
标题翻译：用于功率转换系统的放电装置
公开(公告)号：JP2011244518A
公开(公告)日：2011-12-01
申请号：JP2010112009
申请日：2010-05-14
申请人： Denso Corp , 株式会社デンソー
发明人： SHINDO YUSUKE , MAEHARA TSUNEO , NAGATA JUNICHI
IPC分类号： H02M7/48
摘要： PROBLEM TO BE SOLVED: To solve the following problem: there is the possibility of impossible discharge control of a capacitor 16 when a vehicle has a collision.SOLUTION: A series regulator 40 steps down a voltage of a capacitor 16 and outputs the stepped-down voltage to a drive unit DU of a U-phase lower arm. A flyback converter FBd for discharge control outputs electric power to a drive unit DU of a U-phase upper arm with the output of the series regulator 40 as an input. When a collision is detected, a photocoupler 54 is turned off, so that the series regulator 40 is turned on to start discharge control. At this time, power supply to overcurrent protection means and overheat protection means of the drive unit DU is prohibited.
摘要翻译：要解决的问题：为了解决以下问题：当车辆发生碰撞时，存在电容器16的不可能的放电控制的可能性。解决方案：串联调节器40降压电容器16的电压，并将降压电压输出到U相下臂的驱动单元DU。用于放电控制的反激转换器FBd以串联调节器40的输出作为输入将电力输出到U相上臂的驱动单元DU。当检测到碰撞时，关闭光耦合器54，使得串联调节器40接通以开始放电控制。此时，驱动单元DU的过电流保护装置和过热保护装置的电源被禁止。版权所有（C）2012，JPO＆INPIT

20. 发明专利

JP2011135731A Driver of switching element 有权
标题翻译：开关元件驱动器
公开(公告)号：JP2011135731A
公开(公告)日：2011-07-07
申请号：JP2009294721
申请日：2009-12-25
申请人： Denso Corp , 株式会社デンソー
发明人： NAGATA JUNICHI , MAEHARA TSUNEO
IPC分类号： H02M1/08
摘要： PROBLEM TO BE SOLVED: To solve the problem of flow of overcurrents, when operating a charging switching element 30 that turns on the power switching element Sw by opening/closing between a power source 20 and the gate of a power switching element Sw.
SOLUTION: A charging switching element 30 is turned on, while a terminal (a) of a selecting circuit 24 is selected, when the power switching element Sw is turned on. Then, it is determined whether there is an overcurrent flowing in the power switching element Sw by a comparator 48 based on the amount of voltage drop of a resistor 44 by an output current of a sense terminal St. When there is no overcurrent flowing, a b-terminal of the selecting circuit 24 is selected to switch a gate application voltage from a voltage V1 of the power source 20 to a voltage of V1+V2, in serial connection of power sources 20 and 22.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题为了解决过电流的问题，当操作通过电源20和电源开关元件Sw的栅极之间的打开/闭合来接通电源开关元件Sw的充电开关元件30时。解决方案：当电源开关元件Sw导通时，充电开关元件30导通，同时选择电路24的端子（a）。然后，根据检测端子St.的输出电流，通过比较器48根据电阻器44的电压降的量来确定在功率开关元件Sw中是否存在过电流。当没有过电流流动时，选择电路24的b端被选择为在电源20和22的串联连接中将栅极施加电压从电源20的电压V1切换到V1 + V2的电压。版权所有：（C ）2011，JPO＆INPIT

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