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    • 2. 发明申请
    • USB Charger Circuit
    • USB充电器电路
    • US20090072796A1
    • 2009-03-19
    • US12058728
    • 2008-03-30
    • Shih-Yuan WANGYung-Hsin ChiangYu-Ming Hsu
    • Shih-Yuan WANGYung-Hsin ChiangYu-Ming Hsu
    • H02J7/06
    • H02M3/155H02J7/0052H02J2007/0059
    • A USB charger circuit includes at least a converter, a control circuitry, a first resistor, a second resistor, an error amplifier, a sense resistor and a diode. The converter has a transistor. The control circuitry is coupled to the transistor. The control circuitry is used for producing a drive signal to the transistor. The first resistor is connected between the output node of the converter and a first node. The second resistor is connected between the first node and a second node. The error amplifier is coupled to receive a voltage divided by the first resistor and the second resistor to compare to a reference voltage. The sense resistor is connected between the second node and ground. The diode is connected between the output node of the converter and a first node.
    • USB充电器电路至少包括转换器,控制电路,第一电阻器,第二电阻器,误差放大器,检测电阻器和二极管。 该转换器有一个晶体管。 控制电路耦合到晶体管。 控制电路用于产生到晶体管的驱动信号。 第一个电阻连接在转换器的输出节点和第一个节点之间。 第二电阻器连接在第一节点和第二节点之间。 误差放大器被耦合以接收由第一电阻器和第二电阻器分压的电压以与参考电压进行比较。 感测电阻连接在第二节点和地之间。 二极管连接在转换器的输出节点和第一个节点之间。
    • 4. 发明申请
    • Power supply voltage switch circuit
    • 电源电压开关电路
    • US20050146230A1
    • 2005-07-07
    • US10707647
    • 2003-12-30
    • Hong-Ping TsaiYu-Ming Hsu
    • Hong-Ping TsaiYu-Ming Hsu
    • H02B1/24H02J1/08
    • H02J1/08H02J2001/008Y10T307/858
    • A power supply voltage switch circuit for selecting a power supply voltage of an integrated circuit according to a first control signal. The power supply voltage switch circuit contains a high voltage selecting module for generating an output voltage according to the higher of a first and a second voltages; a level shifting module electrically connected to the high voltage selecting module to receive the output voltage as power supply, for performing level shifting to a first control signal according to the output voltage; and a selecting switch module electrically connected to the level shifting module for selectively outputting the first or the second voltage as the power supply voltage of the integrated circuit according to the level-shifted first control signal.
    • 一种用于根据第一控制信号选择集成电路的电源电压的电源电压开关电路。 电源电压开关电路包括用于根据第一和第二电压中较高者产生输出电压的高电压选择模块; 电平移动模块,电连接到所述高电压选择模块以接收所述输出电压作为电源,用于根据所述输出电压进行到第一控制信号的电平转换; 以及选择开关模块,电连接到电平移位模块,用于根据电平移位的第一控制信号选择性地输出第一或第二电压作为集成电路的电源电压。
    • 5. 发明授权
    • Method using a word line driver for driving a word line
    • 使用字线驱动程序来驱动字线的方法
    • US06580658B1
    • 2003-06-17
    • US10065661
    • 2002-11-07
    • Yu-Ming HsuYen-Tai LinChien-Hung Ho
    • Yu-Ming HsuYen-Tai LinChien-Hung Ho
    • G11C800
    • G11C8/08G11C16/08
    • A word line driver includes an address decoder having a first circuit and a second circuit for selecting the word line, and a control end disposed between the first circuit and the second circuit. In addition, the word line driver has a level shift circuit for shifting a voltage level of the word line, and the level shift circuit has an input end connected to the second circuit of the address decoder. A method of driving a word line includes shifting a voltage level of the control end while turning on the second circuit so as to shift a voltage level of the input end of the level shift circuit, and shifting a voltage level of at least one of the first and second power supplies and using the second circuit to isolate the voltage level of the control end from the voltage level of the word line.
    • 字线驱动器包括具有第一电路的地址解码器和用于选择字线的第二电路,以及设置在第一电路和第二电路之间的控制端。 此外,字线驱动器具有用于移位字线的电压电平的电平移位电路,并且电平移位电路具有连接到地址解码器的第二电路的输入端。 一种驱动字线的方法包括:在接通第二电路的同时移动控制端的电压电平,以便移位电平移位电路的输入端的电压电平,并移位至少一个 第一和第二电源,并使用第二电路将控制端的电压电平与字线的电压电平隔离开。
    • 8. 发明授权
    • USB charger circuit
    • USB充电器电路
    • US08072186B2
    • 2011-12-06
    • US12058728
    • 2008-03-30
    • Shih-Yuan WangYung-Hsin ChiangYu-Ming Hsu
    • Shih-Yuan WangYung-Hsin ChiangYu-Ming Hsu
    • H02J7/04
    • H02M3/155H02J7/0052H02J2007/0059
    • A USB charger circuit includes at least a converter, a control circuitry, a first resistor, a second resistor, an error amplifier, a sense resistor and a diode. The converter has a transistor. The control circuitry is coupled to the transistor. The control circuitry is used for producing a drive signal to the transistor. The first resistor is connected between the output node of the converter and a first node. The second resistor is connected between the first node and a second node. The error amplifier is coupled to receive a voltage divided by the first resistor and the second resistor to compare to a reference voltage. The sense resistor is connected between the second node and ground. The diode is connected between the output node of the converter and a first node.
    • USB充电器电路至少包括转换器,控制电路,第一电阻器,第二电阻器,误差放大器,检测电阻器和二极管。 该转换器有一个晶体管。 控制电路耦合到晶体管。 控制电路用于产生到晶体管的驱动信号。 第一个电阻连接在转换器的输出节点和第一个节点之间。 第二电阻器连接在第一节点和第二节点之间。 误差放大器被耦合以接收由第一电阻器和第二电阻器分压的电压以与参考电压进行比较。 感测电阻连接在第二节点和地之间。 二极管连接在转换器的输出节点和第一个节点之间。
    • 10. 发明授权
    • Schmitt trigger input stage
    • 施密特触发输入级
    • US6091264A
    • 2000-07-18
    • US85613
    • 1998-05-27
    • Howard C. KirschYen-Tai LinYu-Ming Hsu
    • Howard C. KirschYen-Tai LinYu-Ming Hsu
    • H03K19/00H03K19/0175H03K19/094
    • H03K19/0013
    • A circuit and a method are disclosed for a Schmitt trigger stage which converts transistor-transistor logic (TTL) into metal oxide semiconductor (MOS) logic signal levels using all MOS devices. The circuit reduces the standby current of the n-channel transistor of the input section of the Schmitt trigger stage by adding a MOS diode to the bottom the input section. When higher than normal supply voltages are used, the standby current of the p-channel transistor of the input section can be reduced by adding a MOS diode to the top of the input section. In addition, a small MOS transistor, connected across the output Schmitt trigger inverter, eliminates leakage currents in that inverter.
    • 公开了用于施密特触发级的电路和方法,其使用所有MOS器件将晶体管晶体管逻辑(TTL)转换为金属氧化物半导体(MOS)逻辑信号电平。 该电路通过向输入部分的底部添加MOS二极管来降低施密特触发级的输入部分的n沟道晶体管的待机电流。 当使用高于正常电源电压时,可以通过向输入部分的顶部添加MOS二极管来减小输入部分的p沟道晶体管的待机电流。 另外,一个连接在输出施密特触发器上的小型MOS晶体管消除了该逆变器的漏电流。