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71. 发明专利

JP2013196622A Reference voltage circuit 有权
标题翻译：参考电压电路
公开(公告)号：JP2013196622A
公开(公告)日：2013-09-30
申请号：JP2012065986
申请日：2012-03-22
申请人： Seiko Instruments Inc , セイコーインスツル株式会社
发明人： IMAI YASUSHI
IPC分类号： G05F3/28 , H03K19/00 , H03M1/74
摘要： PROBLEM TO BE SOLVED: To provide a small-scale, highly accurate reference voltage circuit which does not require D/A converters and the like.SOLUTION: A circuit for controlling reference voltage is provided which includes: several bits of memory cells used as analog elements; current mirror circuits for mirroring cell currents Ion from the memory cells; and a current-voltage conversion element for converting current to voltage. A current value range of the cell current Ion of each memory cell is adjusted to be different from those of other memory cells by using a variable write depth of the memory cell, and output currents of the current mirror circuits are added together to be converted to voltage by the current-voltage conversion element. Adding the cell currents Ion of memory cells having different current adjustment ranges enables highly accurate control of the reference voltage.
摘要翻译：要解决的问题：提供不需要D / A转换器等的小规模，高精度的参考电压电路。解决方案：提供用于控制参考电压的电路，其包括：用作模拟的几个存储单元元素用于镜像电池电流的电流镜电路离开存储器单元; 以及用于将电流转换成电压的电流 - 电压转换元件。通过使用存储单元的可变写深度，将每个存储单元的单元电流Ion的当前值范围调整为与其它存储单元的电流值的范围不同，并且将电流镜电路的输出电流相加在一起以转换为通过电流 - 电压转换元件的电压。添加电池电流具有不同电流调节范围的存储单元的Ion可以高度准确地控制参考电压。

72. 发明专利

JP4445780B2 Voltage regulator 有权
公开(公告)号：JP4445780B2
公开(公告)日：2010-04-07
申请号：JP2004057714
申请日：2004-03-02
申请人： Okiセミコンダクタ株式会社 , 株式会社沖マイクロデザイン
发明人：裕一松下
IPC分类号： G05F1/56 , G05F3/28 , H03L5/00
CPC分类号： G05F1/56

73. 发明专利

JP2002149250A CONSTANT-CURRENT CIRCUIT 失效
公开(公告)号：JP2002149250A
公开(公告)日：2002-05-24
申请号：JP2000346541
申请日：2000-11-14
申请人： DENSO CORP
发明人： KOYASU TAKAHISA
IPC分类号： G05F3/28
摘要： PROBLEM TO BE SOLVED: To provide a constant-current circuit which is reducible in power consumption in stationary operation. SOLUTION: The constant-current circuit 1 comprises an actuating circuit 24, a self-bias circuit 15, and a constant-current generating circuit 16. When a DC voltage VC is applied to the constant-current circuit 1, a capacitor 18 as an electricity accumulating means having decreased in electric charge quantity turns on a transistor 22 as a switching element for start-up and a starting current is outputted to actuate the constant-current generating circuit 16. Then when a transistor 17 as a switching element for control turns on, a control current flows in the capacitor 18, whose electric charge quantity increases to turn off the transistor 22, thereby stopping outputting the starting current. Consequently, constant output currents are outputted from transistors 25 and 28 in the stationary operation while the output of the starting current is stopped.

74. 发明专利

JPH1063353A VOLTAGE ADJUSTING DEVICE 失效
公开(公告)号：JPH1063353A
公开(公告)日：1998-03-06
申请号：JP16878297
申请日：1997-06-25
申请人： PHILIPS ELECTRONICS NV
发明人： PERRAUD JEAN CLAUDE , MAUGARS PHILIPPE
IPC分类号： G05F3/26 , G05F1/56 , G05F1/569 , G05F3/28
摘要： PROBLEM TO BE SOLVED: To provide a voltage adjusting device by which power to be dissipated by a buffer circuit is reduced without suppressing the value of output current. SOLUTION: The voltage adjusting device is the one for supplying an adjustment output voltage Vout under variable output current Iout and also the one including the buffer circuit which is provided with first and second transistors T1 and T2 serially arranged between a power feeding terminal VCC and an output terminal, a comparison module 10 comparing the output voltage Vout with a reference voltage Vref and a module 20 which is controlled by the output of the comparison module 10 so as to control the distribution of energy to be dissipated by the device. The device is provided with a means for discharging a part of power to be dissipated by output current Iout at the outside of the buffer circuit.

75. 发明专利

JPH06175742A REFERENCE VOLTAGE GENERATING CIRCUIT 失效
公开(公告)号：JPH06175742A
公开(公告)日：1994-06-24
申请号：JP35193192
申请日：1992-12-09
申请人： NEC CORP
发明人： KOAZECHI SHINICHI
IPC分类号： G05F3/30 , G05F3/26 , G05F3/28
摘要： PURPOSE:To prevent the deterioration of the power noise suppression ratio PSRR and to suppress the power noises without affecting the characteristic of a reference voltage generating circuit by inserting a level shift circuit into the input part of an operational amplifier consisting of a transistor and a resistance. CONSTITUTION:A level shift circuit consisting of a p-channel MOS transistor TR is inserted between the nodes 6 and 7 of a reference voltage generating circuit and the forward/opposite phase inputs 10 and 13, respectively. The level shift circuit inserted between the node 6 and the opposite phase input 10 consists of the p-channel TR 8 and 9, and the level shift circuit inserted between the node 7 and the forward input 13 consists of the p-channel TR 11 and 12. Since each voltage Va of both nodes 6 and 7 is shifted to a high potential level by the level shift circuit, when the gate bias voltage VB of the TR 8 and 11 are properly selected. The voltage is enough for the amplifier 14 to normally function and can be supplied to both inputs 10 and 13.

76. 发明专利

JPH02214911A STARTING CIRCUIT FOR INTEGRATED CIRCUIT 失效
公开(公告)号：JPH02214911A
公开(公告)日：1990-08-27
申请号：JP3700289
申请日：1989-02-15
申请人： OMRON TATEISI ELECTRONICS CO
发明人： ENDO HIROBUMI , MATSUMOTO HIDETOSHI , OOKA TANEJI
IPC分类号： H01L27/04 , G05F3/26 , G05F3/28 , G05F3/30 , H01L21/822 , H01L21/8222 , H01L27/06
摘要： PURPOSE:To reduce the current consumption after an integrated circuit is started by connecting a capacitor to a starting transistor to turn a starting circuit into a capacitive load. CONSTITUTION:A capacitor C5 is connected to a starting transistor TR Q5 to turn the starting circuit into the capacitive load. When a power supply is turned on and started, a start current is supplied via the TR Q5 and a resistor R5 to start TR Q1 - Q4. The capacitor C5 is charged by the start current. When the potential of the positive terminal of the capacitor C5 is raised and reaches the base potential of the TR Q5, the base-emitter voltage of the TR Q5 goes to 0 and no current flows. As a result, the TR Q5 becomes separate after its start and the useless current consumption is prevented.

77. 发明专利

JPS63213493A 3-PHASE CURRENT OUTPUT CIRCUIT 失效
公开(公告)号：JPS63213493A
公开(公告)日：1988-09-06
申请号：JP4710187
申请日：1987-03-02
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： ASHIZAKI YUKIHIRO
IPC分类号： G05F3/26 , G05F3/28 , H02P6/06 , H02P6/08
摘要： PURPOSE:To accurately regulate the temperature characteristic of a 3-phase current output circuit by constructing to have similar positive temperature coefficient in first and second current sources of the output circuit. CONSTITUTION:A feeder line is formed of first-third feeders 1-3, and a 3-phase current output circuit is composed of an N-P-N transistor 6, a plurality of diodes 7 connected forwardly in series with the emitter, a first resistor 8 and a current mirror circuit 9. The fine adjustment of the temperature coefficient is conducted by regulating the resistance ratio of resistors 4, 5 at the base potential of the transistor 6. Thus, since the variations in the voltage drops with respect to the temperature by the diode 7, the transistor 6 and the circuit 9 are the same, the temperature coefficient of the rectified value of the circuit 9 can be continuously varied.

78. 发明授权

US08294449B2 Bandgap reference circuit and method of starting bandgap reference circuit 有权
标题翻译：带隙参考电路及启动带隙参考电路的方法
公开(公告)号：US08294449B2
公开(公告)日：2012-10-23
申请号：US12547156
申请日：2009-08-25
申请人： Akira Ide
发明人： Akira Ide
IPC分类号： G05F3/28
CPC分类号： G05F3/30
摘要： In accordance with a bandgap circuit and a method of starting the bandgap circuit, a start signal is continuously supplied to a differential amplifier circuit to start up the differential amplifier circuit that controls a bandgap core circuit until the differential amplifier circuit has started up, and then the supply of the start signal to the differential amplifier circuit is discontinued after the differential amplifier circuit has started up.
摘要翻译：根据带隙电路和启动带隙电路的方法，将启动信号连续地提供给差分放大器电路，以启动控制带隙核心电路的差分放大器电路，直到差分放大器电路启动，然后在差分放大器电路启动之后，停止向差分放大器电路提供起始信号。

79. 发明授权

US07999529B2 Methods and apparatus for generating voltage references using transistor threshold differences 有权
标题翻译：使用晶体管阈值差产生电压基准的方法和装置
公开(公告)号：US07999529B2
公开(公告)日：2011-08-16
申请号：US12395198
申请日：2009-02-27
申请人： Tyler Thorp
发明人： Tyler Thorp
IPC分类号： G05F3/26 , G05F3/28
CPC分类号： H03K3/011 , Y10T29/49002
摘要： Methods and apparatus are described that develop a reference voltage that is based on a difference between a threshold voltage of a first transistor and a threshold voltage of a second transistor, and further based on a difference between a gate overdrive voltage of the first transistor and a gate overdrive voltage of the second transistor.
摘要翻译：描述了开发基于第一晶体管的阈值电压和第二晶体管的阈值电压之间的差的参考电压，并且还基于第一晶体管的栅极过驱动电压和第一晶体管的栅极过驱动电压之间的差异第二晶体管的栅极过驱动电压。

80. 发明申请

US20090261801A1 LOW-VOLTAGE CURRENT REFERENCE AND METHOD THEREOF 有权
标题翻译：低电流电流参考及其方法
公开(公告)号：US20090261801A1
公开(公告)日：2009-10-22
申请号：US12105276
申请日：2008-04-18
申请人： Ryan Andrew Jurasek , Bret Roberts Dale , Darin James Daudelin , Dave Eugene Chapmen
发明人： Ryan Andrew Jurasek , Bret Roberts Dale , Darin James Daudelin , Dave Eugene Chapmen
IPC分类号： G05F3/28
CPC分类号： G05F3/30 , Y10S323/901
摘要： A low-voltage current reference providing a current being substantially constant with temperature includes a low voltage bandgap, a start circuit coupled to the low voltage bandgap, and a current summer coupled to the low voltage bandgap and to the start circuit. The low voltage bandgap is for providing a constant voltage reference, and the start circuit is for starting the low voltage bandgap from a non-start mode and for providing a proportional to absolute temperature (PTAT) current reference. The current summer is for providing a constant current reference according to the constant voltage reference and the PTAT current reference.
摘要翻译：提供电流与温度基本恒定的低电压电流基准包括低电压带隙，耦合到低电压带隙的启动电路以及耦合到低电压带隙和启动电路的电流加速器。低电压带隙用于提供恒定的电压基准，起动电路用于从非启动模式启动低电压带隙，并提供与绝对温度（PTAT）电流基准成正比。目前的夏天是根据恒定电压基准和PTAT电流参考值提供恒定的电流基准。

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