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    • 33. 发明申请
    • Power Management Control Circuit
    • 电源管理控制电路
    • US20130181522A1
    • 2013-07-18
    • US13352020
    • 2012-01-17
    • Hsuan-Kai WangNien-Hui Kung
    • Hsuan-Kai WangNien-Hui Kung
    • H02J1/04H02J7/34
    • H02J7/0022H02J2007/0062Y10T307/422
    • A power management control circuit controls a first power transistor to convert a input voltage to an output voltage and controls a second power transistor to charge a battery from the output voltage. The first power transistor is coupled between the input voltage and the output voltage, and the second power transistor is coupled between the output voltage and the battery. The power management control circuit includes: a detection transistor detecting a current through the second power transistor and generating a charging reference voltage; an amplifier comparing the output voltage with the voltage of the battery to generate an amplified signal for controlling the charging reference voltage; a comparator comparing a reference voltage with the charging reference voltage to generate an EOC (End of Charge) signal for determining whether to stop charging the battery; and an offset voltage compensation device compensating an input offset voltage of the amplifier.
    • 功率管理控制电路控制第一功率晶体管以将输入电压转换为输出电压,并且控制第二功率晶体管以从输出电压对电池充电。 第一功率晶体管耦合在输入电压和输出电压之间,第二功率晶体管耦合在输出电压和电池之间。 电源管理控制电路包括:检测晶体管,检测通过第二功率晶体管的电流并产生充电参考电压; 放大器,其将输出电压与电池的电压进行比较,以产生用于控制充电参考电压的放大信号; 将参考电压与充电参考电压进行比较以产生用于确定是否停止对电池充电的EOC(充电结束)信号的比较器; 以及补偿放大器的输入偏移电压的偏移电压补偿装置。
    • 34. 发明申请
    • Bi-directional Switching Regulator and Control Circuit Thereof
    • 双向开关稳压器及其控制电路
    • US20130119957A1
    • 2013-05-16
    • US13294203
    • 2011-11-11
    • Nien-Hui Kung
    • Nien-Hui Kung
    • G05F5/00
    • H02M3/1582H02M2001/0045
    • The present invention discloses a bi-directional switching regulator and its control circuit, wherein the bi-directional switching regulator converts an input voltage to an output voltage in a power supply mode, and it includes: a power stage including an upper gate switch, a lower gate switch and an inductor coupled to a common switching node, wherein the inductor is coupled to the input voltage; a load switch coupled between the output voltage and the upper gate switch; and a driver circuit controlling the load switch to adjust an output current flowing through the load switch according to current information at an input terminal of the input voltage.
    • 本发明公开了一种双向开关调节器及其控制电路,其中双向开关稳压器将输入电压转换为电源模式中的输出电压,其包括:功率级,包括上栅极开关, 下栅极开关和耦合到公共开关节点的电感器,其中所述电感器耦合到所述输入电压; 耦合在输出电压和上栅极开关之间的负载开关; 以及控制所述负载开关的驱动电路,根据所述输入电压的输入端子上的电流信息调整流过所述负载开关的输出电流。
    • 35. 发明授权
    • High voltage device and manufacturing method thereof
    • 高压器件及其制造方法
    • US08421150B2
    • 2013-04-16
    • US13197370
    • 2011-08-03
    • Tsung-Yi HuangHuan-Ping Chu
    • Tsung-Yi HuangHuan-Ping Chu
    • H01L29/76H01L31/062
    • H01L29/0878H01L29/0847H01L29/1083H01L29/42368H01L29/66659H01L29/66681H01L29/7835
    • The present invention discloses a high voltage device and a manufacturing method thereof. The high voltage device is formed in a first conductive type substrate, wherein the substrate has an upper surface. The high voltage device includes: a second conductive type buried layer, which is formed in the substrate; a first conductive type well, which is formed between the upper surface and the buried layer; and a second conductive type well, which is connected to the first conductive type well and located at different horizontal positions. The second conductive type well includes a well lower surface, which has a first part and a second part, wherein the first part is directly above the buried layer and electrically coupled to the buried layer; and the second part is not located above the buried layer and forms a PN junction with the substrate.
    • 本发明公开了一种高压器件及其制造方法。 高压器件形成在第一导电型衬底中,其中衬底具有上表面。 高压器件包括:形成在衬底中的第二导电型掩埋层; 第一导电型阱,其形成在上表面和埋层之间; 以及第二导电型阱,其连接到第一导电类型阱并且位于不同的水平位置。 第二导电类型阱包括井下表面,其具有第一部分和第二部分,其中第一部分直接在掩埋层的上方并电耦合到掩埋层; 并且第二部分不位于掩埋层的上方并与衬底形成PN结。
    • 37. 发明申请
    • Light emitting device open/short detection circuit
    • 发光装置开/短检测电路
    • US20120293082A1
    • 2012-11-22
    • US13136383
    • 2011-07-29
    • Pei-Cheng HuangKuo-Chi LiuMing-Hsueh LeeShih-Hua ChienChao-Hua Wu
    • Pei-Cheng HuangKuo-Chi LiuMing-Hsueh LeeShih-Hua ChienChao-Hua Wu
    • H05B37/00
    • H05B33/089
    • The present invention discloses a light emitting device open/short detection circuit, which is used for detecting at least one light emitting device string open/short. Each light emitting device string has a first end and a second end, wherein the first end is coupled to a voltage supply circuit to supply electrical power to the light emitting devices. The open/short detection circuit includes: an abnormal voltage detection circuit coupled to the light emitting device strings for receiving voltages of the second ends respectively and generating an abnormal voltage detection signal; a voltage setting circuit coupled to the abnormal voltage detection circuit for setting an abnormal reference level; and a determination circuit coupled to the voltage setting circuit. When the abnormal voltage detection signal is equal to or over the abnormal reference level, the determination circuit generates an open/short detection signal for an abnormal condition detected.
    • 本发明公开了一种用于检测至少一个发光装置串开/短的发光装置开/短检测电路。 每个发光器件串具有第一端和第二端,其中第一端耦合到电压供应电路以向发光器件供电。 开/短检测电路包括:异常电压检测电路,耦合到发光器件串,用于分别接收第二端的电压并产生异常电压检测信号; 电压设定电路,与所述异常电压检测电路耦合,用于设定异常参考电平; 以及耦合到电压设置电路的确定电路。 当异常电压检测信号等于或超过异常参考电平时,确定电路产生检测到的异常状态的开/短检测信号。