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31. 发明授权

US07262589B2 Pulse width modulation power regulator and power supply system thereof 有权
标题翻译：脉宽调制电源调节器及其电源系统
公开(公告)号：US07262589B2
公开(公告)日：2007-08-28
申请号：US11307216
申请日：2006-01-27
申请人： An-Tung Chen
发明人： An-Tung Chen
IPC分类号： G05F1/40 , H02H7/00
CPC分类号： H02M3/157
摘要： A pulse width modulation (PWM) power regulator and a power supply system thereof are disclosed. The power supply system includes a central controller having a soft-starting circuit and at least one PWM power regulator, wherein the central controller and the PWM power regulator are connected with a control signal wire. The PWM power regulator includes an error amplifier, a comparative circuit, and a PWM output stage, a switch and a fault detection circuit. The control signal wire of the invention requires a single control wire to provide a signal for controlling the PWM power regulator. Therefore, the circuit design and the control process of the pulse width modulation (PWM) power regulator and power supply system thereof can be simplified.
摘要翻译：公开了脉宽调制（PWM）功率调节器及其电源系统。电源系统包括具有软启动电路和至少一个PWM功率调节器的中央控制器，其中中央控制器和PWM功率调节器与控制信号线连接。 PWM功率调节器包括误差放大器，比较电路和PWM输出级，开关和故障检测电路。本发明的控制信号线需要单个控制线来提供用于控制PWM功率调节器的信号。因此，可以简化脉宽调制（PWM）功率调节器及其电源系统的电路设计和控制过程。

32. 发明授权

US07002332B2 Source and sink voltage regulator 失效
标题翻译：源极和电源电压调节器
公开(公告)号：US07002332B2
公开(公告)日：2006-02-21
申请号：US10971944
申请日：2004-10-21
申请人： An-Tung Chen , Ching-Wei Hsueh
发明人： An-Tung Chen , Ching-Wei Hsueh
IPC分类号： G05F3/16
CPC分类号： G05F1/56
摘要： A source and sink voltage regulator includes an output circuit, an amplifier circuit and a bias current control circuit. The output circuit is used to output a loading current under a stable output voltage and is further used to draw a reverse loading current while a loading voltage is greater than the output voltage. The amplifier circuit maintains the output voltage at a predetermined normal output voltage. The bias current control circuit keeps the transistors of the output circuit under a predetermined static bias current to accelerate the response speed of the voltage regulator, automatically maintaining a balance status while the output circuit is working.
摘要翻译：源和汇电压调节器包括输出电路，放大器电路和偏置电流控制电路。输出电路用于在稳定的输出电压下输出负载电流，并进一步用于在负载电压大于输出电压时绘制反向负载电流。放大器电路将输出电压维持在预定的正常输出电压。偏置电流控制电路将输出电路的晶体管保持在预定的静态偏置电流下，以加速电压调节器的响应速度，在输出电路工作时自动保持平衡状态。

33. 发明申请

US20050200345A1 Source and sink voltage regulator 失效
标题翻译：源极和电源电压调节器
公开(公告)号：US20050200345A1
公开(公告)日：2005-09-15
申请号：US10971944
申请日：2004-10-21
申请人： An-Tung Chen , Ching-Wei Hsueh
发明人： An-Tung Chen , Ching-Wei Hsueh
IPC分类号： G05F1/10 , G05F3/16
CPC分类号： G05F1/56
摘要： A source and sink voltage regulator includes an output circuit, an amplifier circuit and a bias current control circuit. The output circuit is used to output a loading current under a stable output voltage and is further used to draw a reverse loading current while a loading voltage is greater than the output voltage. The amplifier circuit maintains the output voltage at a predetermined normal output voltage. The bias current control circuit keeps the transistors of the output circuit under a predetermined static bias current to accelerate the response speed of the voltage regulator, automatically maintaining a balance status while the output circuit is working.
摘要翻译：源和汇电压调节器包括输出电路，放大器电路和偏置电流控制电路。输出电路用于在稳定的输出电压下输出负载电流，并进一步用于在负载电压大于输出电压时绘制反向负载电流。放大器电路将输出电压维持在预定的正常输出电压。偏置电流控制电路将输出电路的晶体管保持在预定的静态偏置电流下，以加速电压调节器的响应速度，在输出电路工作时自动保持平衡状态。

34. 发明授权

US06826064B2 Stable voltage converter with multiple pulse width modulated channels 失效
标题翻译：具有多个脉冲宽度调制通道的稳定电压转换器
公开(公告)号：US06826064B2
公开(公告)日：2004-11-30
申请号：US10792760
申请日：2004-03-05
申请人： An-Tung Chen , Yung-Peng Hwang
发明人： An-Tung Chen , Yung-Peng Hwang
IPC分类号： H02M700
CPC分类号： H02M3/1584
摘要： A stable voltage converter is described. The stable voltage converter has an error amplifier, a plurality of subtraction circuits, a plurality of converter channels, and a plurality of current sensors. The error amplifier compares a reference voltage and an average output voltage to generate an error signal for stabilizing the output voltage of the converter. The subtraction circuits input the error signal and channel current signals generated by the current sensors, and then output modified error signals for controlling the converter channels to adequately output direct current power outputs.
摘要翻译：描述了稳定的电压转换器。稳定电压转换器具有误差放大器，多个减法电路，多个转换器通道和多个电流传感器。误差放大器比较参考电压和平均输出电压以产生用于稳定转换器的输出电压的误差信号。减法电路输入由电流传感器产生的误差信号和通道电流信号，然后输出修改的误差信号，用于控制转换器通道以充分输出直流电源输出。

35. 发明授权

US09654037B2 Multi-phase motor control method and device using the same 有权
公开(公告)号：US09654037B2
公开(公告)日：2017-05-16
申请号：US14461918
申请日：2014-08-18
申请人： Kuo-Chung Lee , Wei-Hsu Chang , An-Tung Chen , Chun-Wen Wang
发明人： Kuo-Chung Lee , Wei-Hsu Chang , An-Tung Chen , Chun-Wen Wang
IPC分类号： H02P6/06 , H02P6/182
CPC分类号： H02P6/182 , H02P6/15 , H02P6/18
摘要： A multi-phase motor control method controls a multi-phase motor which includes multiple nodes respectively receiving a corresponding number of driving voltage signals to control a rotation of a rotor. The motor control method includes: sensing a signal phase of a current signal corresponding to at least one node, for example by sensing a zero-crossing point of the current signal; determining a reference phase for the current signal; calculating a phase difference between the signal phase and the reference phase; and controlling a phase switching frequency of the stator according to the phase difference, such that the signal phase is close to or in phase with the reference phase, to thereby obtain an optimum rotation speed of the rotor corresponding to a given driving voltage. The present invention also provides a multi-phase motor control device using the motor control method.

36. 发明授权

US08878304B2 Fuse circuit for final test trimming of integrated circuit chip 有权
标题翻译：保险丝电路，用于集成电路芯片的最终测试修整
公开(公告)号：US08878304B2
公开(公告)日：2014-11-04
申请号：US13358242
申请日：2012-01-25
申请人： Li-Wen Fang , Chih-Hao Yang , An-Tung Chen
发明人： Li-Wen Fang , Chih-Hao Yang , An-Tung Chen
IPC分类号： H01L27/06 , G11C29/00 , H01L27/02
CPC分类号： G11C29/785 , H01L27/0255 , H01L27/0617
摘要： The present invention discloses a fuse circuit for final test trimming of an integrated circuit (IC) chip. The fuse circuit includes at least one electrical fuse, at least one control switch corresponding to the electrical fuse, and a resistant device. The electrical fuse is connected with the control switch in series between a predetermined pin and a grounding pin. The control switch receives a control signal to determine whether a predetermined current flows through the corresponding electrical fuse and breaks the electrical fuse. The resistant device is coupled between a bulk terminal and a source terminal to increase a resistance of a parasitic channel, such that an electrostatic discharge (ESD) protection is enhanced, and errors of final test trimming of an IC chip are avoided.
摘要翻译：本发明公开了一种用于集成电路（IC）芯片的最终测试修整的熔丝电路。熔断器电路包括至少一个电熔丝，对应于电熔丝的至少一个控制开关和一个电阻装置。电保险丝与控制开关串联连接在预定的引脚和接地引脚之间。控制开关接收控制信号以确定预定电流是否流过相应的电熔丝并断开电熔丝。电阻器件耦合在体端子和源极端子之间以增加寄生沟道的电阻，从而增强了静电放电（ESD）保护，并且避免了IC芯片的最终测试修整的误差。

37. 发明授权

US08791678B2 Offset and delay cancellation circuit for a switching DC-DC power supply 有权
标题翻译：用于开关DC-DC电源的偏移和延迟消除电路
公开(公告)号：US08791678B2
公开(公告)日：2014-07-29
申请号：US13188867
申请日：2011-07-22
申请人： Ting-Jung Tai , Chih-Hao Yang , An-Tung Chen
发明人： Ting-Jung Tai , Chih-Hao Yang , An-Tung Chen
IPC分类号： H02M3/156
CPC分类号： H02M3/156
摘要： A control circuit of a switching DC-DC power supply includes a feedback circuit detecting an output voltage of the power supply to generate a feedback signal, an error comparator detecting an error between the output voltage and a design value of the output voltage, a control logic circuit generating a control signal according to the error for regulating the output voltage, and an offset and delay cancellation circuit generating an offset adjust signal according to the feedback signal and a second reference voltage for adjusting an offset of the error comparator to pull the output voltage toward the design value.
摘要翻译：开关DC-DC电源的控制电路包括检测电源的输出电压以产生反馈信号的反馈电路，检测输出电压与输出电压的设计值之间的误差的误差比较器，控制逻辑电路根据用于调节输出电压的误差产生控制信号，以及偏移和延迟消除电路，根据反馈信号产生偏移调整信号，第二参考电压用于调整误差比较器的偏移量以将输出电压达到设计值。

38. 发明授权

US08446135B2 Control circuit and method for a ripple regulator system 有权
标题翻译：纹波调节器系统的控制电路和方法
公开(公告)号：US08446135B2
公开(公告)日：2013-05-21
申请号：US13404520
申请日：2012-02-24
申请人： An-Tung Chen , Chih-Hao Yang
发明人： An-Tung Chen , Chih-Hao Yang
IPC分类号： G05F1/56
CPC分类号： H02M3/156 , H02M2001/0025
摘要： A control circuit and method for a ripple regulator system generate a ripple signal in-phase and synchronous with an inductor current of the ripple regulator system, and extract a ripple information proportional to the amplitude of the ripple signal. The ripple signal is used for triggering control in PWM signal generation to make the ripple regulator system have small ripples and better loop stability simultaneously. The ripple information is used to improve the output offset of the ripple regulator system that is caused by the ripple signal.
摘要翻译：用于纹波调节器系统的控制电路和方法与纹波调节器系统的电感电流同相产生纹波信号，并提取与纹波信号幅度成比例的纹波信息。纹波信号用于触发PWM信号生成中的控制，使波纹调节器系统同时具有小波纹和更好的环路稳定性。纹波信息用于改善由纹波信号引起的纹波调节器系统的输出偏移。

39. 发明授权

US08253407B2 Voltage mode switching regulator and control circuit and method therefor 有权
标题翻译：电压模式开关稳压器及其控制电路及其方法
公开(公告)号：US08253407B2
公开(公告)日：2012-08-28
申请号：US12658549
申请日：2010-02-05
申请人： An-Tung Chen , Jo-Yu Wang
发明人： An-Tung Chen , Jo-Yu Wang
IPC分类号： G05F1/40
CPC分类号： H02M3/1588 , H02M2001/0032 , Y02B70/1466 , Y02B70/16
摘要： The present invention discloses a voltage mode switching regulator with improved light load efficiency and mode transition characteristic, and a control circuit and a control method therefor. The switching regulator can switch between a pulse width modulation (PWM) mode and a pulse skipping mode. The control method for the switching regulator comprises: comparing a feedback signal relating to an output voltage with a reference signal, to generate an error amplification signal; generating a duty signal according to the error amplification signal and a ramp signal, to control the switching regulator; setting a threshold level of the error amplification signal and a threshold level of the pulse skipping mode according to the error amplification signal in a stable status; and when the error amplification signal is close or equal to the threshold level of the pulse skipping mode, generating a pulse skip signal to enter the pulse skipping mode.
摘要翻译：本发明公开了一种具有改善的轻负载效率和模式转换特性的电压模式切换调节器，以及一种控制电路及其控制方法。开关调节器可以在脉冲宽度调制（PWM）模式和脉冲跳跃模式之间切换。开关调节器的控制方法包括：将与输出电压相关的反馈信号与参考信号进行比较，以产生误差放大信号; 根据误差放大信号和斜坡信号产生占空比信号，以控制开关调节器; 根据误差放大信号在稳定状态下设置误差放大信号的阈值电平和脉冲跳跃模式的阈值电平; 并且当误差放大信号接近或等于脉冲跳跃模式的阈值电平时，产生脉冲跳跃信号以进入脉冲跳跃模式。

40. 发明授权

US08248139B2 Simple interleaved phase shift clock synchronization for master/slave scheme 失效
标题翻译：主/从方案的简单交错相移时钟同步
公开(公告)号：US08248139B2
公开(公告)日：2012-08-21
申请号：US12977662
申请日：2010-12-23
申请人： Isaac Y. Chen , An-Tung Chen
发明人： Isaac Y. Chen , An-Tung Chen
IPC分类号： G06F1/04
CPC分类号： G06F1/04
摘要： An apparatus for interleaved phase shift clock synchronization includes a master clock generator and at least one slave clock generator. The master clock generator provides a ramp signal or reset signal for each slave clock generator to generate a clock synchronized with the clock of the master clock generator, and the master and slave clock generators have different reference voltages for generating clocks. Therefore, the clocks generated will be synchronized and interleaved phase with each other.
摘要翻译：用于交错相移时钟同步的装置包括主时钟发生器和至少一个从时钟发生器。主时钟发生器为每个从时钟发生器提供斜坡信号或复位信号，以产生与主时钟发生器的时钟同步的时钟，并且主时钟和从时钟发生器具有不同的参考电压用于产生时钟。因此，产生的时钟将彼此同步并交错相位。

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