公开(公告)号：US07852056B2

公开(公告)日：2010-12-14

申请号：US12140910

申请日：2008-06-17

Applicant: Junji Nishida

Inventor： Junji Nishida

IPC: G05F1/40

CPC classification number: H02M3/157 ,  H02M3/1584

Abstract: A switching regulator includes an inductor, first and second switches, a first rectifier to allow current flowing from a negative voltage output terminal to a connection node between the inductor and the first switch, a second rectifier to allow current flowing from a positive voltage output terminal to a connection node between the inductor and the second switch, a third switch, a first capacitor connected between the negative voltage output terminal and ground, a second capacitor connected between the positive voltage output terminal and ground, and a controller to control switching operations of the first, second and third switches to make each voltages at the negative and positive voltage output terminals to be corresponding predetermined voltages. The control circuit switches the first and second switches on/off simultaneously to make a sum of absolute values of voltages at the negative and positive voltage output terminals a predetermined voltage value.

Abstract translation: 开关调节器包括电感器，第一和第二开关，第一整流器，允许电流从负电压输出端子流到电感器和第一开关之间的连接节点;第二整流器，允许电流从正电压输出端子 耦合到电感器和第二开关之间的连接节点，第三开关，连接在负电压输出端子和地之间的第一电容器，连接在正电压输出端子和地之间的第二电容器，以及用于控制开关操作的控制器 第一，第二和第三开关使得负极和正电压输出端子处的每个电压成为相应的预定电压。 控制电路同时切换第一和第二开关的接通/截止，使得负极和正电压输出端子处的电压的绝对值之和为预定的电压值。

公开(公告)号：US07804285B2

公开(公告)日：2010-09-28

申请号：US11897286

申请日：2007-08-29

Applicant: Junji Nishida

Inventor： Junji Nishida

IPC: G05F1/575

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

Abstract: A switching regulator is disclosed that includes a switching transistor; an inductor; a voltage comparator circuit part comparing a voltage at the connection of the switching transistor and the inductor and a predetermined voltage and outputting a first signal; a phase comparator circuit part comparing the phases of a control signal input to the switching transistor and the output first signal and outputting a second signal; and a control circuit part performing PWM control or PFM/VFM control on the switching transistor in accordance with the output second signal so that a predetermined constant voltage is output from the switching regulator. The control circuit part performs PWM control if the output second signal indicates that the control signal and the output first signal are in phase, and performs PFM/VFM control if the output second signal indicates that the control signal and the output first signal are out of phase.

Abstract translation: 公开了一种开关稳压器，其包括开关晶体管; 电感; 电压比较器电路部分，将开关晶体管和电感器的连接处的电压与预定电压进行比较并输出第一信号; 相位比较器电路部分，比较输入到开关晶体管的控制信号和输出第一信号的相位，并输出第二信号; 以及控制电路部分，根据输出的第二信号对开关晶体管执行PWM控制或PFM / VFM控制，从而从开关调节器输出预定的恒定电压。 如果输出的第二信号指示控制信号和输出的第一信号是同相的，则控制电路部分执行PWM控制，并且如果输出的第二信号指示控制信号和输出的第一信号不在 相。

公开(公告)号：US07777467B2

公开(公告)日：2010-08-17

申请号：US11940020

申请日：2007-11-14

Applicant: Junji Nishida

Inventor： Junji Nishida

IPC: G05F1/00

CPC classification number: H02M3/1582

Abstract: In a voltage rising/falling type switching regulator including a voltage rising/falling part and a control part, the voltage rising/falling part includes a switching transistor for voltage falling, a rectifier element for voltage falling, a switching transistor for voltage rising, and a rectifier element for voltage rising, the control part is arranged so that the switching transistor for voltage rising and the switching transistor for voltage falling are synchronized at a time of shifting from voltage rising operation to voltage falling operation and/or at a time of shifting from voltage falling operation to voltage rising operation, to perform voltage rising/falling operation in which each switching transistor is turned on in a 50% duty cycle.

Abstract translation: 在包括电压上升/下降部分和控制部分的升压/降压型开关稳压器中，电压上升/下降部分包括用于电压下降的开关晶体管，用于降压的整流元件，用于升压的开关晶体管，以及 用于升压的整流元件，控制部分被布置成使得用于升压的开关晶体管和用于电压下降的开关晶体管在从升压操作转换到电压下降操作时和/或在移位时同步 从电压下降操作到电压上升操作，执行每个开关晶体管在50％占空比下导通的电压上升/下降操作。

公开(公告)号：US07629775B2

公开(公告)日：2009-12-08

申请号：US10589682

申请日：2005-03-01

Applicant: Junji Nishida

Inventor： Junji Nishida

IPC: H01J7/04 ,  H01J7/16 ,  H01M6/42 ,  H01J7/00

CPC classification number: H01M10/44 ,  H01M10/48 ,  H02J7/0036

Abstract: A battery connection detection circuit is disclosed that is able to correctly determine an operation condition of a secondary battery and a connection condition between the secondary battery and a charging device. A determination circuit monitors both the voltage Vt1 on the battery connection terminal T1 and the current supplied to the secondary battery BAT, and therefore, the determination circuit can correctly determine the operation condition of the secondary battery and the connection condition between the secondary battery and the charging device even when high frequency noise is superposed on the power supply voltage Vdd, and when the power supply voltage decreases.

Abstract translation: 公开了能够正确地确定二次电池的操作状态和二次电池与充电装置之间的连接状态的电池连接检测电路。 确定电路监视电池连接端子T1上的电压Vt1和提供给二次电池BAT的电流，因此，确定电路可以正确地确定二次电池的操作状态和二次电池与二次电池之间的连接状态 即使当高频噪声叠加在电源电压Vdd上时，以及当电源电压降低时，也是如此。

公开(公告)号：US07624292B2

公开(公告)日：2009-11-24

申请号：US11274267

申请日：2005-11-16

Applicant: Junji Nishida

Inventor： Junji Nishida

IPC: G06F1/28

CPC classification number: G01R31/3624 ,  G01R31/3675

Abstract: A battery power detection device is disclosed that has a reduced circuit area and is able to achieve sufficiently high detection accuracy. The battery power detection device includes a temperature section detection unit that detects a temperature of the battery and detects one of plural predetermined temperature sections including the detected temperature, a current section detection unit that detects a current output from the battery and detects one of plural predetermined current sections including the detected current; and a power section detection unit that has plural voltage-power data tables including data indicating the relation between the voltage output from the battery and the remaining power sections of the battery. The power section detection unit selects one of the voltage-power data tables according to the detected temperature section and the detected current section, and detects one of the remaining power sections associated with a given voltage of the battery.

Abstract translation: 公开了具有减小的电路面积并且能够实现足够高的检测精度的电池电力检测装置。 电池电力检测装置包括：温度部分检测单元，其检测电池的温度并检测包括检测到的温度的多个预定温度部分中的一个;电流部分检测单元，其检测从电池输出的电流，并检测多个预定的 当前部分包括检测到的电流; 以及功率部检测单元，其具有包括表示从电池输出的电压与电池的剩余电力部分之间的关​​系的数据的多个电压功率数据表。 功率部分检测单元根据检测到的温度部分和检测到的电流部分选择电压数据表中的一个，并且检测与电池的给定电压相关联的剩余电力部分中的一个。

公开(公告)号：US07504805B2

公开(公告)日：2009-03-17

申请号：US11546803

申请日：2006-10-11

Applicant: Junji Nishida

Inventor： Junji Nishida

IPC: G05F1/00

CPC classification number: H02M3/1588 ,  Y02B70/1466

Abstract: This patent specification describes a boost circuit which includes an inductor wired to an input terminal, a switching device connected between the inductor and a ground, a rectifying device formed of a MOS transistor and connected between the inductor and an output terminal and configured to be switched in accordance with the control signal, a first transistor wired to the input terminal and to a substrate gate of the rectifying device, a second transistor wired to the substrate gate of the rectifying device and to the output terminal and a controller configured to control each operation of the switching device, the rectifying device and the first and second transistors so that the first transistor is off and the second transistor is on in a boost mode and the first transistor is on and the second transistor is off in a boost suspend mode.

Abstract translation: 该专利说明书描述了一种升压电路，其包括连接到输入端子的电感器，连接在电感器和地之间的开关装置，由MOS晶体管形成并连接在电感器和输出端子之间并被配置为被切换的整流装置 根据控制信号，连接到整流装置的输入端子和衬底栅极的第一晶体管，连接到整流装置的衬底栅极和输出端子的第二晶体管和被配置为控制每个操作的控制器 所述开关装置，所述整流装置以及所述第一和第二晶体管使得所述第一晶体管截止，并且所述第二晶体管导通为升压模式，并且所述第一晶体管导通，并且所述第二晶体管处于升压暂停模式。

公开(公告)号：US07482796B2

公开(公告)日：2009-01-27

申请号：US11941719

申请日：2007-11-16

Applicant: Junji Nishida

Inventor： Junji Nishida

IPC: G05F1/56

CPC classification number: H01M10/44 ,  H01M10/48 ,  H02M3/156

Abstract: A switching regulator is disclosed that is able to prevent reverse direction current flow without using a dedicated diode even when a PMOS transistor is used as a switching transistor of a step-down switching regulator. A selection circuit is provided to control connection of the substrate gate of the switching transistor, and a control circuit controls the selection circuit to connect the substrate gate to the drain of the switching transistor when the voltage on an input terminal of the switching regulator is less than or equal to the voltage on the output terminal of the switching regulator, and connect the substrate gate to the source of the switching transistor when the voltage on the input terminal is greater than the voltage on the output terminal.

Abstract translation: 公开了一种开关调节器，其即使当PMOS晶体管用作降压型开关调节器的开关晶体管时也能够防止逆向电流流动而不使用专用二极管。 提供选择电路以控制开关晶体管的衬底栅极的连接，并且当开关调节器的输入端子上的电压较小时，控制电路控制选择电路将衬底栅极连接到开关晶体管的漏极 大于或等于开关调节器的输出端子上的电压，并且当输入端子上的电压大于输出端子上的电压时，将衬底栅极连接到开关晶体管的源极。

公开(公告)号：US07429851B2

公开(公告)日：2008-09-30

申请号：US10583264

申请日：2005-10-19

Applicant: Junji Nishida

Inventor： Junji Nishida

IPC: G05F1/46 ,  G05F3/08

CPC classification number: H02M1/12

Abstract: A disclosed constant voltage power supply circuit (1) has an input terminal (Vdd), an output terminal (Vout), a constant voltage power supply unit (2) that generates a constant voltage (Vo1) with a ripple voltage (Vri), and a ripple removing circuit unit (3) for removing the ripple voltage so that a constant voltage (V1) without the ripple voltage is output at the output terminal (OUT). The ripple removing circuit unit comprises a resistor (R1) connected between the constant voltage power supply unit and the output terminal; a ripple voltage detection circuit unit (5) for detecting the ripple voltage and outputting a signal depending on the detected ripple voltage; and a current circuit unit (6, 7) for receiving the signal from the ripple voltage detection circuit unit and supplying a current (io1) to the output terminal or absorbing a current (io2) from the resistor in response to the received signal, so as to cancel the ripple voltage at the output terminal.

Abstract translation: 所公开的恒压电源电路（1）具有输入端子（Vdd），输出端子（Vout），产生具有纹波电压（Vri）的恒定电压（Vo 1））的恒压电源单元（2） ，以及去除纹波电压的波纹去除电路单元（3），使得在输出端子（OUT）处输出不具有纹波电压的恒定电压（V 1）。 波纹去除电路单元包括连接在恒压电源单元和输出端子之间的电阻器（R 1）; 波纹电压检测电路单元（5），用于检测纹波电压并根据检测到的纹波电压输出信号; 以及电流电路单元（6,7），用于从纹波电压检测电路单元接收信号，并向输出端提供电流（io1），或响应于接收信号从电阻吸收电流（io 2） ，以消除输出端的纹波电压。

公开(公告)号：US20080224669A1

公开(公告)日：2008-09-18

申请号：US10589682

申请日：2005-03-01

Applicant: Junji Nishida

Inventor： Junji Nishida

IPC: H02J7/00 ,  H01M10/44

CPC classification number: H01M10/44 ,  H01M10/48 ,  H02J7/0036

Abstract: A battery connection detection circuit is disclosed that is able to correctly determine an operation condition of a secondary battery and a connection condition between the secondary battery and a charging device. A determination circuit monitors both the voltage Vt1 on the battery connection terminal T1 and the current supplied to the secondary battery BAT, and therefore, the determination circuit can correctly determine the operation condition of the secondary battery and the connection condition between the secondary battery and the charging device even when high frequency noise is superposed on the power supply voltage Vdd, and when the power supply voltage decreases.

Abstract translation: 公开了能够正确地确定二次电池的操作状态和二次电池与充电装置之间的连接状态的电池连接检测电路。 确定电路监视电池连接端子T1上的电压Vt 1和提供给二次电池BAT的电流，因此，确定电路可以正确地确定二次电池的操作状态和二次电池之间的连接状态 以及即使当高频噪声叠加在电源电压Vdd上时，以及当电源电压降低时，充电装置也是如此。

公开(公告)号：US20080061758A1

公开(公告)日：2008-03-13

申请号：US11897286

申请日：2007-08-29

Applicant: Junji Nishida

Inventor： Junji Nishida

IPC: G05F1/00

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

Abstract: A switching regulator is disclosed that includes a switching transistor; an inductor; a voltage comparator circuit part comparing a voltage at the connection of the switching transistor and the inductor and a predetermined voltage and outputting a first signal; a phase comparator circuit part comparing the phases of a control signal input to the switching transistor and the output first signal and outputting a second signal; and a control circuit part performing PWM control or PFM/VFM control on the switching transistor in accordance with the output second signal so that a predetermined constant voltage is output from the switching regulator. The control circuit part performs PWM control if the output second signal indicates that the control signal and the output first signal are in phase, and performs PFM/VFM control if the output second signal indicates that the control signal and the output first signal are out of phase.

Abstract translation: 公开了一种开关稳压器，其包括开关晶体管; 电感; 电压比较器电路部分，将开关晶体管和电感器的连接处的电压与预定电压进行比较并输出第一信号; 相位比较器电路部分，比较输入到开关晶体管的控制信号和输出第一信号的相位，并输出第二信号; 以及控制电路部分，根据输出的第二信号对开关晶体管执行PWM控制或PFM / VFM控制，从而从开关调节器输出预定的恒定电压。 如果输出的第二信号指示控制信号和输出的第一信号是同相的，则控制电路部分执行PWM控制，并且如果输出的第二信号指示控制信号和输出的第一信号不在 相。