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公开(公告)号：US09461038B2
公开(公告)日：2016-10-04
申请号：US14711589
申请日：2015-05-13
Applicant: SEIKO INSTRUMENTS INC.
Inventor： Hirofumi Harada
IPC: H01L21/20 , H01L27/06 , H01L23/522 , H01L49/02
CPC classification number: H01L27/0629 , H01L23/5226 , H01L28/20 , H01L28/24 , H01L2924/0002 , H01L2924/00
Abstract: A semiconductor device includes an insulated gate field effect transistor and a resistance circuit having a resistance element. The resistance element has a first thin film arranged on an isolation oxide film provided on a surface of a semiconductor substrate, a second thin film of silicon nitride formed on the first thin film so as to be wider than the resistance element, an intermediate insulating film of silicon oxide formed on the second thin film, a contact hole passing through the second thin film and provided in the intermediate insulating film at a depth reaching the first thin film, and a metal wiring formed in the contact hole. The insulated gate field effect transistor is provided in a region of the semiconductor substrate surrounded by the isolation oxide film.
Abstract translation: 半导体器件包括绝缘栅场效应晶体管和具有电阻元件的电阻电路。 电阻元件具有布置在设置在半导体衬底的表面上的隔离氧化膜上的第一薄膜，形成在第一薄膜上的第二氮化硅薄膜比电阻元件宽，中间绝缘膜 形成在第二薄膜上的氧化硅，通过第二薄膜并在到达第一薄膜的深度处设置在中间绝缘膜中的接触孔以及形成在接触孔中的金属布线。 绝缘栅场效应晶体管设置在由隔离氧化膜包围的半导体衬底的区域中。
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62.发明授权公开(公告)号：US09454174B2
公开(公告)日：2016-09-27
申请号：US14693460
申请日：2015-04-22
Applicant: Seiko Instruments Inc.
Inventor： Atsushi Igarashi , Nao Otsuka
IPC: G05F5/00
CPC classification number: G05F5/00
Abstract: Provided is a power supply voltage monitoring circuit capable of accurately detecting a power supply voltage with a small circuit scale and low power consumption. The power supply voltage monitoring circuit includes: a signal output circuit configured to output a signal voltage representing saturation characteristics with respect to an increase in power supply voltage; and a signal voltage monitoring circuit configured to output a signal representing that the signal voltage of the signal output circuit is normal, the signal voltage monitoring circuit including: a PMOS transistor including a gate connected to an output terminal of the signal output circuit; a first constant current circuit connected to a drain of the PMOS transistor; and an inverter including an input terminal connected to the drain of the PMOS transistor.
Abstract translation: 提供一种能够以小的电路规模和低功耗精确地检测电源电压的电源电压监视电路。 电源电压监视电路包括：信号输出电路，被配置为输出表示相对于电源电压的增加的饱和特性的信号电压; 信号电压监视电路，被配置为输出表示信号输出电路的信号电压正常的信号，所述信号电压监视电路包括：PMOS晶体管，包括与所述信号输出电路的输出端连接的栅极; 连接到PMOS晶体管的漏极的第一恒流电路; 以及反相器，包括连接到PMOS晶体管的漏极的输入端子。
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公开(公告)号：US09453889B2
公开(公告)日：2016-09-27
申请号：US14741976
申请日：2015-06-17
Applicant: Seiko Instruments Inc.
Inventor： Takemasa Miura , Minoru Ariyama , Tomoki Hikichi , Kentaro Fukai
CPC classification number: G01R33/0041 , G01R33/07
Abstract: To provide a magnetic sensor device which maintains accuracy thereof while reducing current consumption by switching drive power of a Hall element to two drive power. A magnetic sensor device is equipped with a driving circuit which supplies power to a sensor element, a switch changeover circuit which restricts the supply of the power from the driving circuit to the sensor element, a differential amplifier circuit which performs arithmetic processing on an output signal of the sensor element, a threshold voltage generating circuit which generates a threshold voltage used in magnetism determination, a comparison circuit which compares and determines a voltage of the differential amplifier circuit and the threshold voltage, and a logic circuit which according to the output of the comparison circuit, switches the power outputted from the driving circuit, switches the threshold voltage and controls on/off of the switch changeover circuit in a constant cycle.
Abstract translation: 为了提供一种通过将霍尔元件的驱动功率切换到两个驱动电力来降低电流消耗而保持精度的磁传感器装置。 磁传感器装置配备有向传感器元件供电的驱动电路，限制从驱动电路向传感器元件供电的开关切换电路，对输出信号进行运算处理的差分放大电路 传感器元件的阈值电压产生电路，产生用于磁确定的阈值电压的阈值电压产生电路，比较和确定差分放大器电路的电压和阈值电压的比较电路，以及根据 比较电路，切换从驱动电路输出的功率，切换阈值电压，并以恒定周期控制开关切换电路的接通/断开。
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公开(公告)号：US09444335B2
公开(公告)日：2016-09-13
申请号：US14610792
申请日：2015-01-30
Applicant: Seiko Instruments Inc.
Inventor： Michiyasu Deguchi , Kosuke Takada , Tetsuya Makino
CPC classification number: H02M3/156 , H02M2001/0025 , H02M2003/1566
Abstract: Provided is a switching regulator configured to achieve a 100% Duty state and reduce an occurrence of an overshoot. The switching regulator has a configuration in which a clamp circuit configured to dynamically generate a clamp level clamps an output voltage of an error amplifier in accordance with a peak value of a triangular wave signal.
Abstract translation: 提供了一种开关调节器，其被配置为实现100％占空状态并且减少过冲的发生。 开关调节器具有这样的结构，其中被配置为动态地产生钳位电平的钳位电路根据三角波信号的峰值钳位误差放大器的输出电压。
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公开(公告)号：US09417645B2
公开(公告)日：2016-08-16
申请号：US14196657
申请日：2014-03-04
Applicant: Seiko Instruments Inc.
Inventor： Fumiyasu Utsunomiya
Abstract: Provided is a voltage regulator capable of controlling an output voltage to a predetermined voltage quickly after an overshoot occurs in the output voltage. The voltage regulator includes: an overshoot detection circuit configured to detect a voltage that is based on an output voltage of the voltage regulator, and output a current corresponding to an overshoot amount of the output voltage; and an I-V converter circuit configured to control a current flowing through an output transistor based on a current controlled by an output of an error amplifier and a current flowing from the overshoot detection circuit.
Abstract translation: 提供一种电压调节器，其能够在输出电压中发生过冲之后快速地将输出电压控制到预定电压。 电压调节器包括：过冲检测电路，被配置为检测基于电压调节器的输出电压的电压，并输出与输出电压的过冲量相对应的电流; 以及I-V转换器电路，被配置为基于由误差放大器的输出和从过冲检测电路流出的电流控制的电流来控制流过输出晶体管的电流。
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Patent Agency Ranking
公开(公告)号：US09386246B2
公开(公告)日：2016-07-05
申请号：US14076597
申请日：2013-11-11
Applicant: Seiko Instruments Inc.
Inventor： Tsutomu Tomioka , Daisuke Muraoka
CPC classification number: H04N5/3694 , H04N5/3742
Abstract: To provide a small-area photoelectric conversion device without impairing a resolution switching function, signals for controlling output order control switches provided so as to correspond to photoelectric conversion elements are selected by an output order control circuit and a shift register. In this manner, the number of flip-flops forming a shift register is reduced.
Abstract translation: 为了提供小面积光电转换装置而不损害分辨率切换功能，通过输出顺序控制电路和移位寄存器选择用于控制提供以对应于光电转换元件的输出顺序控制开关的信号。 以这种方式，减少了形成移位寄存器的触发器的数量。
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公开(公告)号：US09385584B2
公开(公告)日：2016-07-05
申请号：US14504133
申请日：2014-10-01
Applicant: Seiko Instruments Inc.
Inventor： Yuji Kobayashi , Teruo Suzuki
Abstract: Provided is a voltage regulator including a leakage current correction circuit capable of keeping the accuracy of an output voltage of the voltage regulator even when an output voltage of a reference voltage circuit is decreased due to the influence of a leakage current. The voltage regulator includes: a reference voltage circuit configured to output a reference voltage; an output transistor configured to output an output voltage; a voltage divider circuit configured to divide the output voltage to output a feedback voltage; an error amplifier circuit configured to amplify a difference between the reference voltage and the feedback voltage, and output the amplified difference to control a gate of the output transistor; and a leakage current correction circuit connected to an output terminal of the voltage divider circuit. The leakage current correction circuit is configured to decrease the feedback voltage to prevent the output voltage from dropping at high temperature.
Abstract translation: 提供了一种包括漏电流校正电路的电压调节器，即使当由于漏电流的影响而导致参考电压电路的输出电压降低时，也能够保持电压调节器的输出电压的精度。 电压调节器包括：参考电压电路，被配置为输出参考电压; 输出晶体管，被配置为输出输出电压; 分压电路，被配置为分压输出电压以输出反馈电压; 误差放大器电路，被配置为放大参考电压和反馈电压之间的差，并输出放大的差值以控制输出晶体管的栅极; 以及漏电流校正电路，连接到分压电路的输出端。 泄漏电流校正电路被配置为减小反馈电压以防止输出电压在高温下下降。
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公开(公告)号：US09385057B2
公开(公告)日：2016-07-05
申请号：US14485927
申请日：2014-09-15
Applicant: SEIKO INSTRUMENTS INC.
Inventor： Tomoyuki Yoshino
IPC: H01L23/48 , H01L23/52 , H01L29/40 , H01L23/28 , H01L21/56 , H01L21/78 , H01L23/00 , H01L23/495 , H01L23/498 , H01L21/48
CPC classification number: H01L23/28 , H01L21/4821 , H01L21/561 , H01L21/568 , H01L21/78 , H01L23/49541 , H01L23/49582 , H01L23/49861 , H01L24/73 , H01L24/97 , H01L2224/16245 , H01L2224/32245 , H01L2224/45139 , H01L2224/48091 , H01L2224/48247 , H01L2224/73265 , H01L2224/97 , H01L2924/12042 , H01L2924/181 , H01L2224/85 , H01L2224/83 , H01L2924/00012 , H01L2224/81 , H01L2924/00 , H01L2924/00011
Abstract: A semiconductor flat package has a semiconductor chip, leads connected to the semiconductor chip, and an encapsulation resin covering the semiconductor chip and partially covering the leads. Outer end surfaces of the leads are exposed from the encapsulation resin and covered with a plated layer, and a side end surface of the plated layer and a side end surface of the encapsulation resin are flush with each other. A material with good solder wettability is formed at a lead cut portion of the semiconductor flat package, to thereby improve solder connection strength with a circuit board. A solder fillet is formed from the lead cut portion of the semiconductor package, to thereby enable adaptation of solder automatic visual inspection after mounting.
Abstract translation: 半导体平面封装具有半导体芯片，连接到半导体芯片的引线以及覆盖半导体芯片并部分地覆盖引线的封装树脂。 引线的外端面从密封树脂露出并被镀层覆盖，镀层的侧端面和封装树脂的侧端面相互齐平。 在半导体平面封装的引线切割部分处形成具有良好焊料润湿性的材料，从而提高与电路板的焊接连接强度。 由半导体封装的引线切割部形成焊锡圆角，从而能够在安装后适应焊料自动目视检查。
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公开(公告)号：US09374007B2
公开(公告)日：2016-06-21
申请号：US14643824
申请日：2015-03-10
Applicant: Seiko Instruments Inc.
Inventor： Yoshiomi Shiina , Masayuki Uno
CPC classification number: H02M3/158 , H02M1/15 , H02M3/1563
Abstract: Provided is a DC/DC converter that is capable of performing stable control without being affected by noise from an output voltage and without any malfunction and is capable of operating at a relatively constant frequency. The DC/DC converter includes an ON-timer circuit configured to input a control signal, which is synchronized with a signal input to a gate of an output transistor, and output an ON-time signal. The ON-timer circuit includes: a ripple generation circuit configured to generate and output a ripple component based on the control signal; an averaging circuit configured to output a signal obtained by averaging the ripple component; and a timer circuit configured to generate and output the ON-time signal based on the signal of the averaging circuit and the control signal.
Abstract translation: 提供了一种DC / DC转换器，其能够在不受输出电压的噪声影响并且没有任何故障的情况下执行稳定的控制并且能够以相对恒定的频率操作。 DC / DC转换器包括一个接通定时器电路，其被配置为输入与输入到输出晶体管的栅极的信号同步的控制信号，并输出接通时间信号。 所述接通定时器电路包括：纹波产生电路，被配置为基于所述控制信号产生并输出纹波分量; 平均电路，被配置为输出通过对纹波分量进行平均而获得的信号; 以及定时器电路，被配置为基于平均电路和控制信号的信号产生并输出接通时间信号。
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70.发明授权Voltage regulator having a temperature sensitive leakage current sink circuit 有权电压调节器具有温度敏感的漏电流吸收电路公开(公告)号：US09372489B2
公开(公告)日：2016-06-21
申请号：US14517153
申请日：2014-10-17
Applicant: Seiko Instruments Inc.
Inventor： Yuji Kobayashi , Teruo Suzuki
Abstract: Provided is a voltage regulator including a leakage current sink circuit capable of suppressing an influence of a leakage current of an output transistor at high temperature, and reducing power consumption of the voltage regulator at normal temperature. The voltage regulator includes: a reference voltage circuit configured to output a reference voltage; an output transistor configured to output an output voltage; a voltage divider circuit configured to divide the output voltage to output a feedback voltage; an error amplifier circuit configured to amplify a difference between the reference voltage and the feedback voltage, and output the amplified difference to control a gate of the output transistor; and a leakage current sink circuit connected to an output terminal and configured to be prevented from operating at normal temperature, and suppress an influence of a leakage current from the output transistor only at high temperature.
Abstract translation: 提供一种电压调节器，其包括能够抑制高温下的输出晶体管的漏电流的影响的泄漏电流吸收电路，并且降低正常温度下的电压调节器的功耗。 电压调节器包括：参考电压电路，被配置为输出参考电压; 输出晶体管，被配置为输出输出电压; 分压电路，被配置为分压输出电压以输出反馈电压; 误差放大器电路，被配置为放大参考电压和反馈电压之间的差，并输出放大的差值以控制输出晶体管的栅极; 以及泄漏电流吸收电路，连接到输出端子并被配置为防止在常温下工作，并且仅在高温下抑制来自输出晶体管的漏电流的影响。
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