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    • 4. 发明申请
    • Battery Charging Circuit and Reference Signal Generator
    • 电池充电电路和参考信号发生器
    • US20130181683A1
    • 2013-07-18
    • US13351917
    • 2012-01-17
    • Hsuan-Kai WangNien-Hui KungChieh-Wei Chen
    • Hsuan-Kai WangNien-Hui KungChieh-Wei Chen
    • H02J7/00H03K3/011
    • H02J7/047H03K3/011
    • The present invention discloses a battery charging circuit adjusting a charging voltage or a charging current according to a battery temperature, which includes: a power stage circuit including at least one power transistor switch and converting input power to charging power by operating the power transistor switch within a temperature range, wherein the charging power includes the charging voltage and the charging current; a reference signal generator obtaining signals representing the battery temperature and generating a reference signal accordingly; and a control circuit generating a switch signal according to the reference signal for operating the power transistor of the power stage circuit, wherein the charging voltage or the charging current is gradually increased as the battery temperature increases in a lower range within the temperature range or gradually decreased as the battery temperature increases in a higher range within the temperature range.
    • 本发明公开了一种根据电池温度调节充电电压或充电电流的电池充电电路,其包括:功率级电路,其包括至少一个功率晶体管开关,并通过在其内部操作功率晶体管开关将输入功率转换为充电功率 温度范围,其中充电功率包括充电电压和充电电流; 参考信号发生器获得表示电池温度的信号并相应地产生参考信号; 以及控制电路,根据用于操作功率级电路的功率晶体管的参考信号产生开关信号,其中充电电压或充电电流随着电池温度在温度范围内逐渐升高或逐渐升高 随着电池温度在温度范围内的更高范围内增加而降低。
    • 6. 发明申请
    • HIGH VOLTAGE DEVICE AND MANUFACTURING METHOD THEREOF
    • 高压器件及其制造方法
    • US20130032880A1
    • 2013-02-07
    • US13197370
    • 2011-08-03
    • Tsung-Yi HUANGHuan-Ping CHU
    • Tsung-Yi HUANGHuan-Ping CHU
    • H01L29/78H01L21/336
    • 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。
    • 7. 发明申请
    • Multi-Purpose Power Management Apparatus, Power Path Control Circuit and Control Method Therefor
    • 多用途电源管理装置,电源路径控制电路及其控制方法
    • US20130015822A1
    • 2013-01-17
    • US13181203
    • 2011-07-12
    • Nien-Hui Kung
    • Nien-Hui Kung
    • H02J7/04H02J7/06
    • H02J7/045H02J7/06H02J7/34
    • The present invention discloses a multi-purpose power management apparatus, a power path control circuit, and a control method therefor. The multi-purpose power management apparatus controls power conversion between an input power and an output power and charging operation from the output power to a battery. The multi-purpose power management apparatus includes: a switch circuit including at least one power transistor; a switch control circuit generating a PWM signal to control the power transistor, for controlling the power conversion between the input power and the output power; a charging management circuit for controlling the charging operation from the output power to the battery; and a path selection circuit for determining whether the charging operation is controlled by the charging management circuit.
    • 本发明公开了一种多用途电力管理装置,电力路径控制电路及其控制方法。 多用途电力管理装置控制输入电力和输出电力之间的电力转换以及从输出电力到电池的充电操作。 多用途电力管理装置包括:开关电路,包括至少一个功率晶体管; 产生PWM信号以控制功率晶体管的开关控制电路,用于控制输入功率和输出功率之间的功率转换; 充电管理电路,用于控制从所述输出电力到所述电池的充电操作; 以及路径选择电路,用于确定充电操作是否由充电管理电路控制。
    • 9. 发明授权
    • Tail-less LED control circuit
    • 无尾LED控制电路
    • US08319444B2
    • 2012-11-27
    • US12787599
    • 2010-05-26
    • Chiawei LiaoJing-Meng LiuLeng-Nien Hsiu
    • Chiawei LiaoJing-Meng LiuLeng-Nien Hsiu
    • H05B37/00
    • H05B33/0818Y02B20/346
    • The present invention discloses a tail-less LED control circuit, which includes: a power supply stage having an output terminal which provides electrical power to an LED circuit; an output capacitor coupled to the output terminal; an LED driver circuit coupled to the power supply stage for controlling the power supply stage to provide the electrical power to the LED circuit, the LED driver circuit receiving a PWM dimming signal for adjusting brightness of the LED circuit; and a MOSFET switch coupled to the output capacitor in series, the MOSFET switch switching synchronously with the PWM dimming signal to alleviate LED afterglow, wherein the MOSFET switch includes a body diode having an anode-cathode direction against the discharge direction of the output capacitor.
    • 本发明公开了一种无尾LED控制电路,其包括:具有向LED电路提供电力的输出端子的电源级; 耦合到所述输出端子的输出电容器; LED驱动器电路,其耦合到所述电源级,用于控制所述电源级以向所述LED电路提供电力,所述LED驱动器电路接收用于调节所述LED电路的亮度的PWM调光信号; 以及耦合到串联的输出电容器的MOSFET开关,MOSFET开关与PWM调光信号同步地切换以减轻LED余辉,其中MOSFET开关包括具有抵抗输出电容器的放电方向的阳极 - 阴极方向的体二极管。
    • 10. 发明申请
    • Switching Regulator and Control Circuit Thereof
    • 开关稳压器及其控制电路
    • US20120274299A1
    • 2012-11-01
    • US13544542
    • 2012-07-09
    • Kuang-Fu ChangYu-Chang Chen
    • Kuang-Fu ChangYu-Chang Chen
    • G05F1/10
    • H02M1/36H02M1/32H02M3/156H02M3/33507
    • The present invention discloses a switching regulator, including: a power stage including at least one power transistor which switches according to a switch control signal to convert an input voltage to an output voltage; a pulse width modulation (PWM) signal generator generating a PWM signal according to the output voltage; an over current detection circuit comparing a current sensing signal with a reference signal to generate an over current signal indicating whether an over current is occurring; and a signal adjustment circuit adjusting the PWM signal or a clock signal to generate the switch control signal for controlling an ON time of the power transistor of the power stage.
    • 本发明公开了一种开关调节器,包括:功率级,包括至少一个功率晶体管,其根据开关控制信号切换以将输入电压转换为输出电压; 脉宽调制(PWM)信号发生器,根据输出电压产生PWM信号; 过电流检测电路,其将电流感测信号与参考信号进行比较,以产生指示是否发生过电流的过电流信号; 以及信号调整电路,调整PWM信号或时钟信号,以产生用于控制功率级的功率晶体管的接通时间的开关控制信号。