公开(公告)号：US20070046358A1

公开(公告)日：2007-03-01

申请号：US11498240

申请日：2006-08-03

Applicant: Ko-Cheng Wang ,  Liang-Pin Tai

Inventor： Ko-Cheng Wang ,  Liang-Pin Tai

IPC: H03K17/04

CPC classification number: H03K17/693 ,  H03K17/04123 ,  H03K17/0414

Abstract: A quick turn on apparatus and method for a NMOSFET switch are used to maintain the gate voltage of the NMOSFET switch non-zero but not enough to turn on the NMOSFET switch, such that the NMOSFET switch turns on more quickly when it is to be turned on. Seamless transition can be further achieved in a single pole double throw switching circuit by using the quick turn on apparatus and method.

Abstract translation: 用于NMOSFET开关的快速启动装置和方法用于将NMOSFET开关的栅极电压保持为非零，但不足以导通NMOSFET开关，使得NMOSFET开关在其被转动时更快地接通 上。 通过使用快速打开设备和方法，可以在单刀双掷切换电路中进一步实现无缝转换。

公开(公告)号：US07180278B2

公开(公告)日：2007-02-20

申请号：US11090179

申请日：2005-03-28

Applicant: Liang-Pin Tai ,  Jiun-Chiang Chen

Inventor： Liang-Pin Tai ,  Jiun-Chiang Chen

IPC: G05F1/40

CPC classification number: H02M3/1588 ,  H02M2001/0009 ,  Y02B70/1466

Abstract: A real current sense apparatus for a DC-to-DC converter uses a current mirror composed by two JFETs to mirror the output current of the converter to generate a temperature-independent mirror current to further generate a current sense signal. Due to the temperature-independence of the mirror current, the current sense signal is also temperature-independent.

Abstract translation: 用于DC-DC转换器的实际电流检测装置使用由两个JFET组成的电流镜来反映转换器的输出电流，以产生独立于温度的反射镜电流，以进一步产生电流检测信号。 由于镜电流的温度独立性，电流检测信号也与温度无关。

公开(公告)号：US07049800B2

公开(公告)日：2006-05-23

申请号：US10743915

申请日：2003-12-24

Applicant: Jian-Rong Huang ,  Liang-Pin Tai ,  Hung-I Wang ,  Chung-Lung Pai ,  Jing-Mong Liu

Inventor： Jian-Rong Huang ,  Liang-Pin Tai ,  Hung-I Wang ,  Chung-Lung Pai ,  Jing-Mong Liu

IPC: G05F1/40

CPC classification number: H02M3/156 ,  H02M3/1588 ,  H02M2001/0032 ,  Y02B70/1466 ,  Y02B70/16

Abstract: A switching mode voltage regulator comprises a pulse width modulator and an adjustable one-shot circuit to generate an adjustable signal based on an input voltage, an adjustable voltage, and a PWM signal from the pulse width modulator at light loading to switch a high-side switch of an output stage in the voltage regulator. The ON duty of the adjustable signal is controlled by the adjustable voltage, such that it will be larger than that of the PWM signal and as a result, the number of switching the switch of the output stage is decreased, thereby reducing the switching loss and improving the efficiency of the voltage regulator.

Abstract translation: 开关模式电压调节器包括脉冲宽度调制器和可调单触发电路，以在轻负载时基于输入电压，可调电压和来自脉宽调制器的PWM信号产生可调信号，以切换高端 在稳压器中切换输出级。 可调信号的导通占空比由可调电压控制，使其大于PWM信号，因此输出级开关的切换次数减少，从而降低开关损耗， 提高电压调节器的效率。

公开(公告)号：US20060002159A1

公开(公告)日：2006-01-05

申请号：US11171437

申请日：2005-07-01

Applicant: Pao-Chuan Lin ,  Chin-Hui Wang ,  Liang-Pin Tai

Inventor： Pao-Chuan Lin ,  Chin-Hui Wang ,  Liang-Pin Tai

IPC: H02M3/24

CPC classification number: H02M1/32 ,  H02M3/156

Abstract: For a PWM controller chip in a voltage converter to switch a pair of high side and low side switches connected with a phase node therebetween, a circuit comprises a sense resistor connected between a multi-function pin on the PWM controller chip and the phase node, and an enable arrangement, a power sensing arrangement, and an over-current protection arrangement to detect the voltage on the multi-function pin for accomplishing enable function, power sensing, and over-current protection, respectively.

Abstract translation: 对于电压转换器中的PWM控制器芯片来切换与其间的相位节点连接的一对高侧和低侧开关，电路包括连接在PWM控制器芯片上的多功能引脚和相位节点之间的检测电阻器， 以及分别用于检测多功能引脚上的电压以实现使能功能，功率检测和过电流保护的使能布置，功率感测装置和过电流保护装置。

公开(公告)号：US06839252B2

公开(公告)日：2005-01-04

申请号：US10442077

申请日：2003-05-21

Applicant: Liang-Pin Tai ,  Shwu-Liang Hsieh ,  Hung-I Wang ,  Jing-Meng Liu

Inventor： Liang-Pin Tai ,  Shwu-Liang Hsieh ,  Hung-I Wang ,  Jing-Meng Liu

IPC: H02M3/158 ,  H02M7/00 ,  G05F1/40

CPC classification number: H02M3/1584 ,  H02M2001/0029

Abstract: A two-step ripple-free multi-phase buck converter and method thereof comprises a first-stage voltage regulator to convert an input voltage to an intermediate voltage and a second-stage voltage regulator with a phase number not less than two to further convert the intermediate voltage to an output voltage by a split phase control, in which the ratio of the intermediate voltage to the output voltage is intended to the phase number such that the steady state output current of the converter approaches to be ripple-free, and hence the drivers and MOSFETs for the second-stage voltage regulator are lower cost, the efficiency of the second-stage voltage regulator is improved, and a higher slew rate current is obtained for transient driving capabilities.

Abstract translation: 两级无纹波多相降压转换器及其方法包括将输入电压转换为中间电压的第一级电压调节器和相位数不少于2的第二级稳压器，以进一步转换 通过分相控制将中间电压输出到输出电压，其中中间电压与输出电压的比率旨在达到相位数，使得转换器的稳态输出电流接近无波纹，因此 第二级稳压器的驱动器和MOSFET的成本较低，二级稳压器的效率得到提高，瞬态驱动能力可获得更高的转换速率电流。

公开(公告)号：US06414470B1

公开(公告)日：2002-07-02

申请号：US10051136

申请日：2002-01-22

Applicant: Jing-Meng Liu ,  Liang-Pin Tai ,  Hung-I Wang

Inventor： Jing-Meng Liu ,  Liang-Pin Tai ,  Hung-I Wang

IPC: G05F140

CPC classification number: H02M3/1584 ,  H02J1/102

Abstract: An apparatus and method for current balance in a multi-phase DC-to-DC converter with a converter output voltage and a plurality of channel currents employs for each channel a multi-input pulse width modulator or an ordinary pulse width modulator in conjunction with a multi-input comparator to produce a respective PWM signal to regulate the corresponding channel current. In addition to the comparison of the converter output voltage with a reference signal to produce an error signal, the apparatus and method compares the error signal with a ramp signal and the corresponding channel current with each of the other channel currents with the multi-input pulse width modulator. Alternatively, a ramp signal is compared by the ordinary pulse width modulator with a signal derived from the multi-input comparator which subtracts the corresponding channel current from each other channel current and sums the error signal.

Abstract translation: 具有转换器输出电压和多个通道电流的多相DC-DC转换器中的电流平衡的装置和方法为每个通道使用多输入脉宽调制器或普通脉冲宽度调制器 多输入比较器产生相应的PWM信号来调节相应的通道电流。 除了将转换器输出电压与参考信号进行比较以产生误差信号之外，装置和方法还将误差信号与斜波信号和相应的通道电流与多输入脉冲中的每一个通道电流进行比较 宽度调制器 或者，通过普通脉冲宽度调制器将斜坡信号与从多输入比较器导出的信号进行比较，该信号从彼此的通道电流中减去对应的通道电流，并对误差信号求和。

公开(公告)号：US07768033B2

公开(公告)日：2010-08-03

申请号：US12385720

申请日：2009-04-17

Applicant: Liang-Pin Tai ,  Jing-Meng Liu ,  Hung-Der Su

Inventor： Liang-Pin Tai ,  Jing-Meng Liu ,  Hung-Der Su

IPC: H01L29/74 ,  H01L31/111

CPC classification number: H01L27/098 ,  H01L27/0744 ,  H01L29/7722 ,  H01L29/8083

Abstract: A single-chip common-drain JFET device comprises a drain, two gates and two source arranged such that two common-drain JFETs are formed therewith. Due to the two JFETs merged within a single chip, no wire bonding connection is needed therebetween, thereby without parasitic inductance and resistance caused by bonding wire, and therefore improving the performance and reducing the package cost. The single-chip common-drain JFET device may be applied in buck converter, boost converter, inverting converter, switch, and two-step DC-to-DC converter to improve their performance and efficiency. Alternative single-chip common-drain JFET devices are also provided for current sense or proportional current generation.

公开(公告)号：US07759695B2

公开(公告)日：2010-07-20

申请号：US12385717

申请日：2009-04-17

Applicant: Liang-Pin Tai ,  Jing-Meng Liu ,  Hung-Der Su

Inventor： Liang-Pin Tai ,  Jing-Meng Liu ,  Hung-Der Su

IPC: H01L29/74 ,  H01L31/111

CPC classification number: H01L27/098 ,  H01L27/0744 ,  H01L29/7722 ,  H01L29/8083

Abstract: A single-chip common-drain JFET device comprises a drain, two gates and two source arranged such that two common-drain JFETs are formed therewith. Due to the two JFETs merged within a single chip, no wire bonding connection is needed therebetween, thereby without parasitic inductance and resistance caused by bonding wire, and therefore improving the performance and reducing the package cost. The single-chip common-drain JFET device may be applied in buck converter, boost converter, inverting converter, switch, and two-step DC-to-DC converter to improve their performance and efficiency. Alternative single-chip common-drain JFET devices are also provided for current sense or proportional current generation.

Abstract translation: 单芯片公共漏极JFET器件包括漏极，两个栅极和两个源极，使得与其形成两个公共漏极JFET。 由于在单个芯片内合并的两个JFET，其间不需要引线接合连接，因此没有由接合线引起的寄生电感和电阻，因此提高性能并降低封装成本。 单片式公共漏极JFET器件可以应用于降压转换器，升压转换器，反相转换器，开关和两级DC-DC转换器，以提高其性能和效率。 还提供了用于电流感测或比例电流产生的替代单芯片公共漏极JFET器件。

公开(公告)号：US20090174461A1

公开(公告)日：2009-07-09

申请号：US12382258

申请日：2009-03-12

Applicant: Ko-Cheng Wang ,  Liang-Pin Tai

Inventor： Ko-Cheng Wang ,  Liang-Pin Tai

IPC: H03K17/687

CPC classification number: H03K17/693 ,  H03K17/04123 ,  H03K17/0414

Abstract: A quick turn on apparatus and method for a NMOSFET switch are used to maintain the gate voltage of the NMOSFET switch non-zero but not enough to turn on the NMOSFET switch, such that the NMOSFET switch turns on more quickly when it is to be turned on. Seamless transition can be further achieved in a single pole double throw switching circuit by using the quick turn on apparatus and method.

公开(公告)号：US07535032B2

公开(公告)日：2009-05-19

申请号：US11165028

申请日：2005-06-24

Applicant: Liang-Pin Tai ,  Jing-Meng Liu ,  Hung-Der Su

Inventor： Liang-Pin Tai ,  Jing-Meng Liu ,  Hung-Der Su

IPC: H01L29/74 ,  H01L31/111

CPC classification number: H01L27/098 ,  H01L27/0744 ,  H01L29/7722 ,  H01L29/8083

Abstract: A single-chip common-drain JFET device comprises a drain, two gates and two source arranged such that two common-drain JFETs are formed therewith. Due to the two JFETs merged within a single chip, no wire bonding connection is needed therebetween, thereby without parasitic inductance and resistance caused by bonding wire, and therefore improving the performance and reducing the package cost. The single-chip common-drain JFET device may be applied in buck converter, boost converter, inverting converter, switch, and two-step DC-to-DC converter to improve their performance and efficiency. Alternative single-chip common-drain JFET devices are also provided for current sense or proportional current generation.

Abstract translation: 单芯片公共漏极JFET器件包括漏极，两个栅极和两个源极，使得与其形成两个公共漏极JFET。 由于在单个芯片内合并的两个JFET，其间不需要引线接合连接，因此没有由接合线引起的寄生电感和电阻，因此提高性能并降低封装成本。 单片式公共漏极JFET器件可以应用于降压转换器，升压转换器，反相转换器，开关和两级DC-DC转换器，以提高其性能和效率。 还提供了用于电流感测或比例电流产生的替代单芯片公共漏极JFET器件。