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    • 7. 发明申请
    • BUCK COVERTER WITH OVERCURRENT PROTECTION FUNCTION
    • 带过流保护功能的保险丝罩
    • US20130141061A1
    • 2013-06-06
    • US13655401
    • 2012-10-18
    • YU-JEN CHENCHUN-YUAN TIENFAN-CHIN KUNGCHUN-PO CHENCHIA-MING YEH
    • YU-JEN CHENCHUN-YUAN TIENFAN-CHIN KUNGCHUN-PO CHENCHIA-MING YEH
    • G05F1/10
    • H02M1/32H02M3/1588Y02B70/1466
    • A buck converter configured for converting a voltage output from a power supply to a load includes a first switch, a second switch, an inductor, three compensators and a control microchip. The first switch and the second switch are connected in series between two ends of the power supply. A first end of the inductor is connected to a node between the first switch and the second switch; a second end of the inductor serves as an output terminal connected to the load. The compensators are correspondingly connected to the first switch, the second switch and the inductor. The control microchip is electrically connected to the first and second switches and the node. The control microchip controls the first and second switches to turn on or off, and executes a current protective process when output current of the output terminal exceeds a current protective threshold of the load.
    • 被配置为将从电源输出的电压转换为负载的降压转换器包括第一开关,第二开关,电感器,三个补偿器和控制微芯片。 第一开关和第二开关串联在电源的两端之间。 电感器的第一端连接到第一开关和第二开关之间的节点; 电感器的第二端用作连接到负载的输出端子。 补偿器相应地连接到第一开关,第二开关和电感器。 控制微芯片电连接到第一和第二开关和节点。 控制微芯片控制第一和第二开关导通或关断,并且当输出端子的输出电流超过负载的当前保护阈值时执行当前的保护处理。
    • 10. 发明授权
    • Linear modulation voltage transformer circuitry
    • 线性调制电压互感器电路
    • US08310215B2
    • 2012-11-13
    • US12777437
    • 2010-05-11
    • Chen-Kun ChouZhan-Yi LinTing-Kuan LiYu-Jen ChenChi-Bin Wu
    • Chen-Kun ChouZhan-Yi LinTing-Kuan LiYu-Jen ChenChi-Bin Wu
    • G05F1/70
    • G05F1/575
    • A linear modulation voltage transformer circuitry includes a power stage unit, a voltage division unit, a linear modulation unit, an error amplifier, and a recursive controller. The power stage unit adapts an input voltage and outputs a first voltage to the voltage division unit, which outputs a divided voltage. The linear modulation unit receives the divided voltage, compares it with a control voltage, and outputs an error voltage signal to the error amplifier, which amplifies the error voltage signal as an error gain control signal. The recursive controller receives and modulates the error gain control signal and outputs the modulation error gain control signal to the power stage unit as a reference signal so as for the power stage unit to modulate the first voltage. Thus, the first voltage can be varied in real time via the linear modulation unit to meet load demands.
    • 线性调制电压互感器电路包括功率级单元,分压单元,线性调制单元,误差放大器和递归控制器。 功率级单元适应输入电压,并向分压单元输出第一电压,分压单元输出分压。 线性调制单元接收分压,将其与控制电压进行比较,并将误差电压信号输出到误差放大器,该误差放大器将误差电压信号放大为误差增益控制信号。 递归控制器接收并调制误差增益控制信号,并将调制误差增益控制信号输出到功率级单元作为参考信号,以使功率级单元调制第一电压。 因此,可以经由线性调制单元实时地改变第一电压以满足负载需求。