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    Semiconductor device
    1.
    发明授权
    Semiconductor device 有权

    公开(公告)号：US10692774B2

    公开(公告)日：2020-06-23

    申请号：US16064682

    申请日：2016-10-31

    申请人： Rohm Co., Ltd.

    发明人： Hirofumi Yuki ,  Shuntaro Takahashi ,  Hiroshi Furutani

    IPC分类号： H01L27/092 ,  H01L29/78 ,  H01L27/06 ,  H01L27/088 ,  H01L21/8234 ,  H03K17/08 ,  H01L21/8238

    摘要： This semiconductor device comprises: an n-type semiconductor substrate which is connected to an output terminal; a first p-type well which is formed in the n-type semiconductor substrate; a first n-type semiconductor region which is formed in the first p-type well and is connected to a control terminal; and a potential separation part which is connected between the first p-type well and a ground terminal. The potential separation part sets the first p-type well and the ground terminal to a same potential when the output terminal is held at a higher potential than the ground terminal, and sets the first p-type well and the output terminal to a same potential when the output terminal is held at a lower potential than the ground terminal.

    Semiconductor device, electronic appliance, and vehicle
    4.
    发明授权
    Semiconductor device, electronic appliance, and vehicle 有权
    半导体装置，电子设备和车辆

    公开(公告)号：US09391603B2

    公开(公告)日：2016-07-12

    申请号：US14062430

    申请日：2013-10-24

    申请人： Rohm Co., Ltd.

    发明人： Takashi Fujimura ,  Muga Imamura ,  Hirofumi Yuki

    IPC分类号： H02P1/00 ,  H03K17/22 ,  H02J1/06

    CPC分类号： H03K17/22 ,  H02J1/06 ,  H03K2217/0081 ,  Y02P80/23 ,  Y10T307/469

    摘要： A semiconductor device has a first chip and a second chip sealed in a single package. The first chip includes a regulator which generates an internal voltage from a supply voltage, a reset circuit which monitors the supply voltage and the internal voltage to generate a reset signal, and a controlled circuit which operates by being supplied with the supply voltage. The second chip includes a controlling circuit which generates a control signal for the controlled circuit by being supplied with the internal voltage. The reset signal is fed to both the controlling circuit and the controlled circuit.

    摘要翻译： 半导体器件具有密封在单个封装中的第一芯片和第二芯片。 第一芯片包括从电源电压产生内部电压的调节器，监视电源电压和内部电压以产生复位信号的复位电路，以及通过提供电源电压进行操作的受控电路。 第二芯片包括控制电路，其通过被提供内部电压来产生受控电路的控制信号。 复位信号被馈送到控制电路和受控电路。

    SEMICONDUCTOR DEVICE
    5.
    发明申请
    SEMICONDUCTOR DEVICE 审中-公开

    公开(公告)号：US20190006246A1

    公开(公告)日：2019-01-03

    申请号：US16064682

    申请日：2016-10-31

    申请人： Rohm Co., Ltd.

    发明人： Hirofumi Yuki ,  Shuntaro Takahashi ,  Hiroshi Furutani

    IPC分类号： H01L21/8234 ,  H01L27/06 ,  H01L27/088 ,  H01L29/78 ,  H03K17/08

    摘要： This semiconductor device comprises: an n-type semiconductor substrate which is connected to an output terminal; a first p-type well which is formed in the n-type semiconductor substrate; a first n-type semiconductor region which is formed in the first p-type well and is connected to a control terminal; and a potential separation part which is connected between the first p-type well and a ground terminal. The potential separation part sets the first p-type well and the ground terminal to a same potential when the output terminal is held at a higher potential than the ground terminal, and sets the first p-type well and the output terminal to a same potential when the output terminal is held at a lower potential than the ground terminal.

    Motor driving device, electronic appliance, and vehicle
    6.
    发明授权
    Motor driving device, electronic appliance, and vehicle 有权
    电机驱动装置，电子设备和车辆

    公开(公告)号：US09559622B2

    公开(公告)日：2017-01-31

    申请号：US14060850

    申请日：2013-10-23

    申请人： Rohm Co., Ltd.

    发明人： Takashi Fujimura ,  Hirofumi Yuki

    IPC分类号： H02P6/18

    CPC分类号： H02P6/18 ,  H02P6/182 ,  H02P6/187

    摘要： A motor driving device of the present invention includes: a driver that receives supply of a power supply voltage to apply a plurality of phase voltages to a motor; a voltage-division phase voltage generation portion that divides each of the phase voltages to generate a plurality of voltage-division phase voltages; a neutral point voltage generation portion that combines and divides the phase voltages to generate a neutral point voltage; a selector that outputs any one of the voltage-division phase voltages as a selection voltage-division phase voltage; a comparator that compares the selection voltage-division phase voltage and the neutral point voltage to generate a comparison signal; and a controller that generates a selection control signal of the selector and an energization control signal of the driver according to the comparison signal.

    摘要翻译： 本发明的电动机驱动装置包括：驱动器，其接收电源电压的供给以向电动机施加多个相电压; 分压相电压产生部，其分割各相电压，生成多个分压相电压; 中性点电压产生部分，其组合并分相相电压以产生中性点电压; 选择器，其输出任一所述分压相电压作为选择分压相电压; 比较器，比较选择分压相电压和中性点电压以产生比较信号; 以及根据比较信号产生选择器的选择控制信号和驾驶员的通电控制信号的控制器。