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    • 8. 发明申请
    • SEMICONDUCTOR DEVICE FOR PROTECTING SECONDARY BATTERY, BATTERY PACK, AND ELECTRONIC DEVICE USING SAME
    • 用于保护二次电池的电子设备,电池组和使用该电池的电子设备
    • US20090197156A1
    • 2009-08-06
    • US12358383
    • 2009-01-23
    • Tomoyuki GOTO
    • Tomoyuki GOTO
    • H01M10/48
    • H02J7/007H01M10/48H02J7/0031H02J2007/0037H02J2007/0039H02J2007/004
    • A battery pack includes a secondary battery, a discharge-control transistor, a charge-control transistor connected in series with the discharge-control transistor between a negative power source terminal of the secondary battery and either a terminal of a load or a negative power source terminal of a charger, and a battery protection semiconductor device for protecting a secondary battery. The battery protection semiconductor device includes a detection circuit that detects at least one of an excessively charged state, an excessive discharging state, an overcurrent state, a short-circuit state, and an overheating state of the secondary battery, a control circuit that turns on and off the discharge-control transistor and the charge-control transistor, and a charge prevention circuit that prevents the secondary battery from being charged by turning off the charge-control transistor when a voltage of the secondary battery is not greater than a predetermined low-voltage criterial voltage variable by trimming a portion of the charge prevention circuit.
    • 电池组包括二次电池,放电控制晶体管,与放电控制晶体管串联连接在二次电池的负电源端子与负载端子或负电源之间的充电控制晶体管 充电器的端子,以及用于保护二次电池的电池保护用半导体装置。 电池保护半导体装置包括:检测电路,其检测二次电池的过充电状态,过放电状态,过电流状态,短路状态和过热状态中的至少一个,导通的控制电路 并且关闭所述放电控制晶体管和所述充电控制晶体管;以及充电防止电路,其防止在所述二次电池的电压不大于预定的低电压时通过关闭所述充电控制晶体管来充电, 电压标准电压可通过修整一部分充电阻止电路而变化。
    • 9. 发明申请
    • MOTOR DRIVING CIRCUIT
    • 电机驱动电路
    • US20070274692A1
    • 2007-11-29
    • US11754513
    • 2007-05-29
    • Tomoyuki GOTOKoichiro OGINOTetsuya YOSHITOMI
    • Tomoyuki GOTOKoichiro OGINOTetsuya YOSHITOMI
    • H02P5/00
    • H02P6/04H02P6/10H02P6/16H02P6/26
    • According to some preferred embodiments of the present invention, a motor driving circuit includes a phase detection circuit configured to detect a rotation phase of a motor and output a phase detection signal, a first amplifier configured to amplify the phase detection signal and output an amplified detection signal, and a second amplifier configured to amplify the amplified detection signal in accordance with a power supply voltage and output a driving signal to the motor. The motor driving circuit is further provided with a controlling circuit configured to detect the power supply voltage and increase/decrease amplitude of the amplified detection signal outputted from the first amplifier in response to an increase/decrease of the detected power supply voltage, whereby heat generation and noise generation can be restrained, irrespective of the increase/decrease of the power supply voltage.
    • 根据本发明的一些优选实施例,电动机驱动电路包括相位检测电路,其被配置为检测电动机的旋转相位并输出相位检测信号,第一放大器被配置为放大相位检测信号并输出​​放大的检测 信号和第二放大器,被配置为根据电源电压放大放大的检测信号,并将驱动信号输出到电动机。 电动机驱动电路还设置有控制电路,其被配置为响应于检测到的电源电压的增加/减少来检测从第一放大器输出的放大的检测信号的电源电压和增加/减小的幅度,由此发热 并且可以抑制噪声产生,而与电源电压的增加/减小无关。
    • 10. 发明申请
    • SEMICONDUCTOR DEVICE AND VOLTAGE DIVIDER CIRCUIT
    • 半导体器件和电压分压器电路
    • US20090212749A1
    • 2009-08-27
    • US12364744
    • 2009-02-03
    • Tomoyuki GOTO
    • Tomoyuki GOTO
    • G05F3/00
    • G01R15/04H01L27/0207H01L27/0802H01L28/40
    • A semiconductor device includes a resistance layout area that disposes multiple unit resistors, and a voltage divider circuit that divides a voltage applied to a series circuit and has the series circuit including a first resistance element, a second resistance element, some trimming resistance element connected in series, and some trimming fuse respectively connected in parallel with the trimming resistance element, in the circuit, the unit resistors belonging to each of three main resistance elements formed by the first resistance element, the second resistance element, and a highest trimming resistance element whose resistance value is highest among the trimming resistance elements are divided into multiple blocks each including a predetermined number of the unit resistors, and the multiple groups each including one block of each of the three main resistance elements adjacently arranged are formed, and the groups arranged close to a center portion of the resistance layout area.
    • 一种半导体器件包括配置多个单位电阻器的电阻布局区域,以及分压电路,其分压施加于串联电路上的电压,并具有串联电路,该串联电路包括第一电阻元件,第二电阻元件,连接在一起的一些微调电阻元件 串联和一些微调熔丝分别与微调电阻元件并联连接,在该电路中,属于由第一电阻元件,第二电阻元件和最高微调电阻元件形成的三个主电阻元件中的每一个的单位电阻器, 修整电阻元件中的电阻值最高被分成多个块,每个块包括预定数量的单位电阻器,并且形成相邻布置的三个主电阻元件中的每一个的多个组,并且组被排列成近 到电阻布局区域的中心部分。