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    • 2. 发明申请
    • CHARGER AND METHOD OF CHARGING
    • 充电和充电方法
    • US20080094038A1
    • 2008-04-24
    • US11874035
    • 2007-10-17
    • Masami Okada
    • Masami Okada
    • H02J7/00H01M10/44
    • H02J7/0072H01M10/44H02J7/045
    • A charger includes input terminals whereto positive and negative voltages from a power source unit are applied, output terminals generating an output charging a secondary battery, upon being applied with the voltage from the input terminals via positive and negative power source lines, a first field effect type transistor and a second field effect type transistor having a region between a drain and a source inserted in at least one of the positive and negative power source lines, and having a first parasitic diode with a polarity reverse against charge current, and a second parasitic diode with a polarity forward direction with charge current respectively, a first detection circuit and a second detection circuit having series connections of a plurality of resistors inserted between the positive and negative power source lines, the first circuit is between the input terminals and the first transistor, and the second circuit is between the first transistor and the second transistor, and a charge control unit supplied with the first and second detection voltages, and generates ON/OFF control signals for the gates of the first and second transistors.
    • 充电器包括施加来自电源单元的正电压和负电压的输入端子,在通过正电源线和负电源线施加来自输入端子的电压时,产生对二次电池充电的输出端子,第一场效应 以及第二场效应型晶体管,其具有插入在所述正电源线和所述正电源线中的至少一个中的漏极和源极之间的区域,并且具有极性与充电电流相反的极性的第一寄生二极管,以及第二寄生 分别具有极性正向的二极管,具有插入在正电源线和负电源线之间的多个电阻器的串联连接的第一检测电路和第二检测电路,第一电路在输入端子和第一晶体管 并且第二电路在第一晶体管和第二晶体管之间 充电控制单元,其被提供有第一和第二检测电压,并且为第一和第二晶体管的栅极产生ON / OFF控制信号。
    • 4. 发明授权
    • Switching power source device
    • 开关电源设备
    • US06816395B2
    • 2004-11-09
    • US10221961
    • 2003-02-19
    • Katsumi KoboriMasami Okada
    • Katsumi KoboriMasami Okada
    • H02M324
    • H02M3/28H02M3/33507H02M3/33523H02M2001/0032Y02B70/16
    • The present invention provides a switching power supply which includes a main rectifying and smoothing circuit (40) and a secondary rectifying and smoothing circuit (50) for rectifying and smoothing an output obtained at a secondary coil (22) of a converter transformer (20) whose primary coil (21) is supplied with a switching output from a switching element (30) which switches a direct input. A error detecting circuit (60), which is driven by a secondary rectified and smoothed output from the secondary rectifying and smoothing circuit (50), detects a main rectified and smoothed output from the main rectifying and smoothing circuit (40) to be supplied to loads so as to control the switching operation of the switching element (30) by the PWM controlling circuit (80) so that the main rectified and smoothed output is caused to be a predetermined state, and compares the voltage of the secondary rectified and smoothed output with the voltage of the main rectified and smoothed output so as to change the operation state of the PWM controlling circuit (80) to the standby mode in case the voltage of the secondary rectified and smoothed output declines to come below the voltage of the main rectified and smoothed output by a predetermined value.
    • 本发明提供了一种开关电源,其包括主整流平滑电路(40)和用于对转换变压器(20)的次级线圈(22)获得的输出进行整流和平滑的二次整流和平滑电路(50) 其初级线圈(21)从切换直接输入的开关元件(30)提供开关输出。 由二次整流和平滑电路(50)的二次整流平滑输出驱动的误差检测电路(60)检测主整流平滑电路(40)的主整流平滑输出,供给至 负载,以便通过PWM控制电路(80)控制开关元件(30)的开关操作,使得主整流平滑输出为预定状态,并将二次整流和平滑输出的电压 与主整流平滑输出的电压,以便在二次整流平滑输出的电压下降到主要整流的电压的情况下,将PWM控制电路(80)的工作状态改变为待机模式 并使输出平滑化预定值。
    • 6. 发明授权
    • Charger and method of charging
    • 充电器和充电方法
    • US07843173B2
    • 2010-11-30
    • US11874035
    • 2007-10-17
    • Masami Okada
    • Masami Okada
    • H02J7/06H02J7/24
    • H02J7/0072H01M10/44H02J7/045
    • A charger includes input terminals whereto positive and negative voltages from a power source unit are applied, output terminals generating an output charging a secondary battery, upon being applied with the voltage from the input terminals via positive and negative power source lines, a first field effect type transistor and a second field effect type transistor having a region between a drain and a source inserted in at least one of the positive and negative power source lines, and having a first parasitic diode with a polarity reverse against charge current, and a second parasitic diode with a polarity forward direction with charge current respectively, a first detection circuit and a second detection circuit having series connections of a plurality of resistors inserted between the positive and negative power source lines, the first circuit is between the input terminals and the first transistor, and the second circuit is between the first transistor and the second transistor, and a charge control unit supplied with the first and second detection voltages, and generates ON/OFF control signals for the gates of the first and second transistors.
    • 充电器包括施加来自电源单元的正电压和负电压的输入端子,在通过正电源线和负电源线施加来自输入端子的电压时,产生对二次电池充电的输出端子,第一场效应 以及第二场效应型晶体管,其具有插入在所述正电源线和所述正电源线中的至少一个中的漏极和源极之间的区域,并且具有极性与充电电流相反的极性的第一寄生二极管,以及第二寄生 分别具有极性正向的二极管,具有插入在正电源线和负电源线之间的多个电阻器的串联连接的第一检测电路和第二检测电路,第一电路在输入端子和第一晶体管 并且第二电路在第一晶体管和第二晶体管之间 充电控制单元,其被提供有第一和第二检测电压,并且为第一和第二晶体管的栅极产生ON / OFF控制信号。