公开(公告)号：JP2014220987A

公开(公告)日：2014-11-20

申请号：JP2014016567

申请日：2014-01-31

Applicant: サムソン エレクトロ−メカニックス カンパニーリミテッド. ,  Samsung Electro-Mechanics Co Ltd ,  サムソン エレクトロ−メカニックス カンパニーリミテッド.

Inventor： LEE SOO WOONG

IPC: H02P29/00

CPC classification number: H02P7/00

Abstract: 【課題】逆起電力のゼロクロス点を正確に検出することができるモータ駆動回路の逆起電力のゼロクロス点検出装置及び方法を提供する。【解決手段】本発明によるモータ駆動回路の逆起電力のゼロクロス点検出方法は、デューティ計算器により、PWM発生器によって発生したPWM信号のデューティ比を計算する段階と、デューティインバータにより、計算されたデューティ比に応じて入力パルスに対する反転または非反転信号を出力する段階と、起電力検知部により、デューティインバータからの出力信号に基づいてモータから逆起電力を検知してゼロクロス点を検出する段階と、を含む。【選択図】図5

Abstract translation: 要解决的问题：提供一种电动机驱动电路中的反向电动势的零交叉点检测装置和方法，其能够精确地检测反电动势的零交叉点。解决方案：零交叉点检测 马达驱动电路中的反电动势的方法包括：占空比计算器计算由PWM发生器产生的PWM信号的占空比的步骤; 负载逆变器根据计算的占空比将反相信号或非反相信号输出到输入脉冲的步骤; 以及用于电动势检测器基于来自所述占空比逆变器的输出信号检测来自电动机的反电动势并检测零交叉点的步骤。

公开(公告)号：JP2014027872A

公开(公告)日：2014-02-06

申请号：JP2013154285

申请日：2013-07-25

Applicant: Samsung Electro-Mechanics Co Ltd ,  サムソン エレクトロ−メカニックス カンパニーリミテッド.Samsung Electro−Mechanics Co., Ltd.

Inventor： LEE SOO WOONG

IPC: H02P7/29

CPC classification number: H02P29/0033 ,  H02H3/087 ,  H02H7/0838 ,  H02H7/0853 ,  H02P29/40

Abstract: PROBLEM TO BE SOLVED: To provide a motor driving overcurrent interruption circuit, a motor driving circuit, and its overcurrent interruption method.SOLUTION: A motor driving overcurrent interruption circuit includes a motor driving part 10 which includes a source type switching element group 11 connected to an upper side of an H-bridge and applying a supply voltage to a motor M and a sink type switching element group 13 connected to a lower side of the H-bridge and sinking a current flowing through the motor M to a sensing terminal so as to sense the current, and drives the motor M; an overcurrent sense part 30 which senses a current flowing to a switching element having been turned in the sink type switching element group 13 at the sensing terminal between a lower end of the sink type switching element group 13 and a ground power source; and an overcurrent interruption part 50 which turns on with a voltage of a sensed overcurrent, and sinks a driving control signal applied to the switching element having been turned on in the sink type switching element group 13 to the ground power source so as to interrupt the overcurrent.

Abstract translation: 要解决的问题：提供电动机驱动过电流中断电路，电动机驱动电路及其过电流中断方法。电动机驱动过电流中断电路包括电动机驱动部10，电动机驱动部10包括与源极型开关元件组11连接 H桥的上侧，并且向电动机M施加电源电压，并连接到H桥的下侧并将流过电动机M的电流吸收到感测端子，从而 感应电流，驱动电机M; 感测在吸收型开关元件组13的下端和接地电源之间的感测端子处的在开关元件组13中转动的开关元件的电流的过电流检测部30; 以及过电流中断部50，其以感测到的过电流的电压接通，并且将施加到已经在接收器型开关元件组13中接通的开关元件的驱动控制信号吸收到接地电源，以便中断 过流。

公开(公告)号：JP2013195429A

公开(公告)日：2013-09-30

申请号：JP2013056114

申请日：2013-03-19

Applicant: Samsung Electro-Mechanics Co Ltd ,  サムソン エレクトロ−メカニックス カンパニーリミテッド.Samsung Electro−Mechanics Co., Ltd.

Inventor： LEE SOO WOONG

IPC: G01D5/244 ,  H01L43/06 ,  H02P29/00

CPC classification number: H03K5/1565 ,  H03K17/90

Abstract: PROBLEM TO BE SOLVED: To provide a correction circuit for output duty of a Hall element, a Hall sensor, and a method of correcting the output duty of the Hall element.SOLUTION: Disclosed herein are a correction circuit for output duty of a Hall element, a Hall sensor, and a method of correcting the output duty of the Hall element. According to an exemplary embodiment of the present invention, the correction circuit includes: an amplification and output unit for amplifying an output of the Hall element and outputting a square wave; a duty detection unit for detecting a duty ratio of the square wave output by the amplification and output unit; and a duty correction unit for applying a feedback correction signal to the amplification and output unit in accordance with the detected duty ratio.

Abstract translation: 要解决的问题：提供一种用于霍尔元件的输出占空比的校正电路，霍尔传感器和校正霍尔元件的输出占空比的方法。本发明公开了一种用于霍尔元件的输出占空比的校正电路 霍尔传感器，以及校正霍尔元件的输出占空比的方法。 根据本发明的示例性实施例，校正电路包括：放大和输出单元，用于放大霍尔元件的输出并输出方波; 占空比检测单元，用于检测由放大和输出单元输出的方波的占空比; 以及占空比校正单元，用于根据检测到的占空比将反馈校正信号施加到放大和输出单元。

公开(公告)号：JP2014027871A

公开(公告)日：2014-02-06

申请号：JP2013153404

申请日：2013-07-24

Applicant: Samsung Electro-Mechanics Co Ltd ,  サムソン エレクトロ−メカニックス カンパニーリミテッド.Samsung Electro−Mechanics Co., Ltd.

Inventor： LEE SOO WOONG ,  KO JOO YUL

IPC: H02P7/29

CPC classification number: H02P29/027 ,  H02H3/087 ,  H02H7/0838 ,  H02H7/0853 ,  H02P7/04 ,  Y02P80/116

Abstract: PROBLEM TO BE SOLVED: To provide a motor driving overcurrent detection circuit and a method thereof that can improve efficiency of a motor and reduce distortion of a signal.SOLUTION: A motor driving overcurrent detection circuit includes: a motor driving part 10 which includes a source type switching element group 11 and a sink type switching element group 13, and performs switching operation with a driving control signal to drive a motor M; a distribution sense part 30 which includes a sense resistance connected in series to a distribution switching element, distributes a sensing current with a current flowing through the motor M, and detects the distributed current through the sensor resistance; and an ON resistance holding part 50 which turns ON a distribution switching element connected in parallel to a sink type switching element to be turned ON in the sink type switching element group 13, and holds an ON resistance of the distribution switching element having been turned ON.

Abstract translation: 要解决的问题：提供一种电动机驱动过电流检测电路及其方法，其可以提高电动机的效率并减少信号的变形。解决方案：电动机驱动过电流检测电路包括：电动机驱动部分10，其包括源 型开关元件组11和吸收型开关元件组13，通过驱动控制信号进行开关动作驱动马达M; 包括与分配开关元件串联连接的检测电阻的分布检测部分30，利用流过马达M的电流分布感测电流，并检测通过传感器电阻的分布电流; 以及导通电阻保持部50，其将接收与宿模型开关元件组13中的接通型开关元件并联连接的配电开关元件接通，并且保持分配用开关元件的导通电阻为ON 。

公开(公告)号：JP2013225306A

公开(公告)日：2013-10-31

申请号：JP2013088204

申请日：2013-04-19

Applicant: Samsung Electro-Mechanics Co Ltd ,  サムソン エレクトロ−メカニックス カンパニーリミテッド.Samsung Electro−Mechanics Co., Ltd.

Inventor： LEE SOO WOONG

IPC: G05F1/56

CPC classification number: G05F1/575

Abstract: PROBLEM TO BE SOLVED: To provide LDO that is capable of minimizing a change in output voltage due to external environment factors and improved in stability, and a phase margin compensation method using the LDO.SOLUTION: The method includes the steps of: outputting reference voltage Vout2 to be applied to a target circuit by a reference voltage generating unit 405; outputting supply voltage Vout1 actually supplied to the target circuit by a supply voltage output unit; comparing the reference voltage Vout2 with the supply voltage Vout1 by a comparator 430, checking whether the supply voltage Vout1 is oscillated and outputting a pulse signal according to the oscillation of the supply voltage Vout1; counting any section of a pulse signal from the comparator for predetermined number of times by a duty cycle calculator 440, thereby obtaining the duty cycle ratios and output bits according to the counting and feeding back the information to the supply voltage output unit; and controlling a phase margin of a frequency of output voltage supplied to the target circuit by controlling buffer current on the basis of the duty cycle ratios and the output bit information by the supply voltage output unit.

Abstract translation: 要解决的问题：提供能够最小化由于外部环境因素导致的输出电压变化并提高稳定性的LDO以及使用LDO的相位裕度补偿方法。该方法包括以下步骤：输出参考电压 Vout2由参考电压产生单元405施加到目标电路; 输出由电源电压输出单元实际提供给目标电路的电源电压Vout1; 通过比较器430将参考电压Vout2与电源电压Vout1进行比较，检查电源电压Vout1是否振荡，并根据电源电压Vout1的振荡输出脉冲信号; 通过占空比计算器440对来自比较器的脉冲信号的任何部分进行计数预定次数，从而根据计数获得占空比和输出位，并将信息反馈给电源电压输出单元; 以及通过根据占空比和输出位信息通过电源电压输出单元控制缓冲电流来控制提供给目标电路的输出电压频率的相位裕度。

公开(公告)号：JP2013251886A

公开(公告)日：2013-12-12

申请号：JP2013066003

申请日：2013-03-27

Applicant: Samsung Electro-Mechanics Co Ltd ,  サムソン エレクトロ−メカニックス カンパニーリミテッド.Samsung Electro−Mechanics Co., Ltd.

Inventor： LEE SOO WOONG ,  KO JOO YUL

IPC: H03F1/30 ,  H02P6/16

CPC classification number: H02P6/16

Abstract: PROBLEM TO BE SOLVED: To provide a Hall sensor of a motor drive circuit, and to provide a bias circuit of a Hall amplifier.SOLUTION: The Hall sensor of a motor drive circuit and the bias circuit of a Hall amplifier include a regulator 220 provided in one packaged chip, receiving external power supply and supplying a voltage adjusted to the circuit, a Hall amplifier 240 receiving the adjusted voltage from the regulator, and outputting the output signal received from a Hall sensor on the outside of a chip while amplifying, first and second resistors R1, R2 receiving voltage supply from the regulator and generating the input VCM (Voltage Common Mode) of the Hall amplifier, and third and fourth resistors R3, R4 receiving voltage supply from the regulator and generating the input VCM of the Hall sensor.

Abstract translation: 要解决的问题：提供电动机驱动电路的霍尔传感器，并提供霍尔放大器的偏置电路。解决方案：电动机驱动电路的霍尔传感器和霍尔放大器的偏置电路包括提供的调节器220 在一个封装的芯片中，接收外部电源并提供调整到电路的电压;霍尔放大器240，从调节器接收调整的电压，并且在放大时输出从芯片外部的霍尔传感器接收的输出信号 和第二电阻R1，R2接收来自调节器的电压供给，并产生霍尔放大器的输入VCM（电压共模），以及第三和第四电阻器R3，R4接收来自调节器的电压供应，并产生霍尔传感器的输入VCM 。

公开(公告)号：JP2013196704A

公开(公告)日：2013-09-30

申请号：JP2013054656

申请日：2013-03-18

Applicant: Samsung Electro-Mechanics Co Ltd ,  サムソン エレクトロ−メカニックス カンパニーリミテッド.Samsung Electro−Mechanics Co., Ltd.

Inventor： LEE SOO WOONG

IPC: G05F3/24

CPC classification number: G05F3/02 ,  G05F1/575

Abstract: PROBLEM TO BE SOLVED: To provide a constant voltage generating circuit and a constant voltage generating method.SOLUTION: A constant voltage generation circuit and a constant voltage generation method are proposed. The constant voltage generation circuit includes: a voltage distribution part that makes the voltage of a variable input power source drop at a preset rate; a reference voltage and register bid generation part that outputs a band gap reference voltage and a register bid respectively by the control of a comparison control part; the comparison control part that compares an input voltage dropped by the voltage distribution part with a band gap reference voltage output from the reference voltage and register bid generation part to control the reference voltage and register bid generation part or to control a constant voltage generation part according to the comparison results; and the constant voltage generation part that outputs a constant voltage on receiving the input of the variable input power source when a switch corresponding to a register bid operates by the control of the comparison control part.

Abstract translation: 要解决的问题：提供恒定电压发生电路和恒定电压产生方法。解决方案：提出了恒定电压发生电路和恒压产生方法。 恒压产生电路包括：使可变输入电源的电压以预设速率下降的电压分配部; 通过比较控制部的控制分别输出带隙基准电压和寄存器的基准电压和寄存器生成部分; 所述比较控制部分将由所述电压分布部分下降的输入电压与从所述参考电压输出的带隙基准电压和所述寄存器生成部分进行比较，以控制所述参考电压和寄存器生成部分，或者控制恒定电压产生部分， 比较结果; 以及当通过比较控制部分的控制操作对应于登记号码的开关时，在接收到可变输入电源的输入时输出恒定电压的恒定电压产生部分。

公开(公告)号：JP2014033427A

公开(公告)日：2014-02-20

申请号：JP2013002391

申请日：2013-01-10

Applicant: Samsung Electro-Mechanics Co Ltd ,  サムソン エレクトロ−メカニックス カンパニーリミテッド.Samsung Electro−Mechanics Co., Ltd.

Inventor： LEE SOO WOONG

IPC: H03K3/354

CPC classification number: H03L1/00

Abstract: PROBLEM TO BE SOLVED: To provide a voltage change compensation type oscillator and a method of compensating an error of the oscillator that allow reducing an error of the oscillator due to changes in voltage.SOLUTION: A voltage change compensation type oscillator 1000 includes: a voltage level detecting unit 200 for detecting a level of a power-supply voltage; a current level adjusting unit 300 connected to the voltage level detecting unit 200 and adjusting a current level according to the voltage level detected by the voltage level detecting unit 200; and an oscillating core unit 100 for generating and outputting a clock signal by receiving the power-supply voltage and an output current of the current level adjusting unit 300. The current level adjusting unit 300 adjusts the output current in proportion to an increase in the voltage level detected by the voltage level detecting unit 200.

Abstract translation: 要解决的问题：提供电压变化补偿型振荡器和补偿振荡器误差的方法，其允许由于电压变化而减小振荡器的误差。解决方案：电压变化补偿型振荡器1000包括：电压 电平检测单元200，用于检测电源电压的电平; 连接到电压电平检测单元200的电流电平调节单元300，并根据由电压电平检测单元200检测的电压电平来调节电流电平; 以及用于通过接收电流电平和电流电平调整单元300的输出电流来产生和输出时钟信号的振荡核心单元100.电流电平调整单元300根据电压的增加来调整输出电流 电平由电压电平检测单元200检测。

公开(公告)号：JP2014027644A

公开(公告)日：2014-02-06

申请号：JP2012269035

申请日：2012-12-10

Applicant: Samsung Electro-Mechanics Co Ltd ,  サムソン エレクトロ−メカニックス カンパニーリミテッド.Samsung Electro−Mechanics Co., Ltd.

Inventor： LEE SOO WOONG

IPC: H03K17/22

CPC classification number: H03L7/00 ,  G06F1/24 ,  G06F1/26 ,  H03K17/223

Abstract: PROBLEM TO BE SOLVED: To provide a power-on-reset (POR) device and power-on-reset method capable of performing a precise BOD function.SOLUTION: A power-on-reset device 100 may include a delay signal generating unit 120, a reference voltage generating unit 130, and a reset signal generating unit 140 comparing a delay signal with a reference voltage to generate a reset signal.

Abstract translation: 要解决的问题：提供能够执行精确的BOD功能的上电复位（POR）装置和上电复位方法。解决方案：上电复位装置100可以包括延迟信号产生单元120 ，参考电压产生单元130和复位信号产生单元140，其将延迟信号与参考电压进行比较以产生复位信号。

公开(公告)号：JP2014003882A

公开(公告)日：2014-01-09

申请号：JP2013090041

申请日：2013-04-23

Applicant: Samsung Electro-Mechanics Co Ltd ,  サムソン エレクトロ−メカニックス カンパニーリミテッド.Samsung Electro−Mechanics Co., Ltd.

Inventor： LEE SOO WOONG

IPC: H02H7/20 ,  H01L21/822 ,  H01L27/04 ,  H02H3/20

CPC classification number: H02H9/041 ,  H02H3/20 ,  H02H3/202

Abstract: PROBLEM TO BE SOLVED: To provide an overvoltage protection circuit and a method thereof which can be easily implemented in an IC and can protect a circuit from an over-voltage safely by finely controlling the over-voltage inputted from the outside.SOLUTION: The overvoltage protection circuit comprises: a voltage distribution device 210 which is constituted of two or more resistors, and has a voltage inputted from an external power source, and drops the voltage, and distributes and supplies the voltage to a relatively smaller voltage than a power source voltage; a reference voltage supplying part 220 which supplies a reference voltage having a constant magnitude determined in advance; a comparator 230 which has the voltage distributed and supplied by the voltage distribution device 210 and the reference voltage supplied from the reference voltage supplying part 220 each inputted, and compares them, and outputs a low or high signal in accordance with the comparison result; and an inverter 240 which has the output signal (low or high) from the comparator 230 inputted, and outputs a signal (high or low) opposed to the output signal of the comparator 230.

Abstract translation: 要解决的问题：提供一种过电压保护电路及其方法，其可以容易地在IC中实现，并且可以通过精细地控制从外部输入的过电压来安全地保护电路免受过电压的影响。解决方案：过电压 保护电路包括：电压分配装置210，其由两个或更多个电阻器构成，并且具有从外部电源输入的电压，并且降低电压，并且将电压分配并将电压提供到比电源电压相对较小的电压 ; 参考电压提供部220，其提供具有预先确定的恒定幅度的参考电压; 具有由电压分配装置210分配并供给的电压和从基准电压供给部220供给的参考电压的比较器230，比较器230进行比较，并根据比较结果输出低信号或高信号; 以及具有从比较器230输出的输出信号（低或高）的反相器240，并且输出与比较器230的输出信号相对的信号（高或低）。