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    • 1. 发明申请
    • DRIVER FOR DRIVING POWER SWITCH ELEMENT
    • 驱动电源开关元件的驱动器
    • US20120008344A1
    • 2012-01-12
    • US13048534
    • 2011-03-15
    • Jian-Hong ZengJian JiangQifeng YeJian-Ping Ying
    • Jian-Hong ZengJian JiangQifeng YeJian-Ping Ying
    • H02M3/335H02M3/22
    • H03K17/691H03K17/6877
    • A driver for driving a driving element includes: a signal source, for providing a square signal; a first modulation circuit, for providing on-pulses and off-pulses according to edges of the square signal; a transformer for coupling output signals of the first modulation circuit to a secondary winding of the transformer to form coupled signals; a second modulation circuit for providing first operating pulses according to coupled on-pulses of the coupled signals, and providing second operating pulses according to coupled off-pulses of the coupled signals; a switch device for turning off the switch device according to the first operating pulses and turning on the switch device according to the second operating pulses, and when the switch device is turned off, coupled on-pulses charge an equivalent capacitor of the driving element to a first driving potential to turn on the driving element, and when the switch device is turned off, the equivalent capacitor discharges to a second driving potential to turn off the driving element, and the width of the on-pulses is less than 1000 ns.
    • 用于驱动驱动元件的驱动器包括:信号源,用于提供平方信号; 第一调制电路,用于根据平方信号的边缘提供导通脉冲和截止脉冲; 用于将所述第一调制电路的输出信号耦合到所述变压器的次级绕组以形成耦合信号的变压器; 第二调制电路,用于根据耦合信号的耦合接通脉冲提供第一工作脉冲,并根据耦合信号的耦合关断脉冲提供第二工作脉冲; 开关装置,用于根据第一操作脉冲关闭开关装置,并根据第二操作脉冲接通开关装置,并且当开关装置关闭时,将驱动元件的等效电容器的接通脉冲充电到 导通驱动元件的第一驱动电位,并且当开关器件关断时,等效电容器放电到第二驱动电位以关断驱动元件,并且导通脉冲的宽度小于1000ns。
    • 2. 发明授权
    • Driver for driving power switch element
    • 用于驱动电源开关元件的驱动器
    • US08680837B2
    • 2014-03-25
    • US13048534
    • 2011-03-15
    • Jian-Hong ZengJian JiangQifeng YeJian-Ping Ying
    • Jian-Hong ZengJian JiangQifeng YeJian-Ping Ying
    • H03K17/687G05F1/46
    • H03K17/691H03K17/6877
    • A driver for driving a driving element includes: a signal source, for providing a square signal; a first modulation circuit, for providing on-pulses and off-pulses according to edges of the square signal; a transformer for coupling output signals of the first modulation circuit to a secondary winding of the transformer to form coupled signals; a second modulation circuit for providing first operating pulses according to coupled on-pulses of the coupled signals, and providing second operating pulses according to coupled off-pulses of the coupled signals; a switch device for turning off the switch device according to the first operating pulses and turning on the switch device according to the second operating pulses, and when the switch device is turned off, coupled on-pulses charge an equivalent capacitor of the driving element to a first driving potential to turn on the driving element, and when the switch device is turned off, the equivalent capacitor discharges to a second driving potential to turn off the driving element, and the width of the on-pulses is less than 1000 ns.
    • 用于驱动驱动元件的驱动器包括:信号源,用于提供平方信号; 第一调制电路,用于根据平方信号的边缘提供导通脉冲和截止脉冲; 用于将所述第一调制电路的输出信号耦合到所述变压器的次级绕组以形成耦合信号的变压器; 第二调制电路,用于根据耦合信号的耦合接通脉冲提供第一工作脉冲,并根据耦合信号的耦合关断脉冲提供第二工作脉冲; 开关装置,用于根据第一操作脉冲关闭开关装置,并根据第二操作脉冲接通开关装置,并且当开关装置关闭时,将驱动元件的等效电容器的接通脉冲充电到 导通驱动元件的第一驱动电位,并且当开关器件关断时,等效电容器放电到第二驱动电位以关断驱动元件,并且导通脉冲的宽度小于1000ns。
    • 3. 发明申请
    • SAMPLING METHOD WITH ADJUSTING DUTY RATIOS
    • 调整责任比例的采样方法
    • US20080238374A1
    • 2008-10-02
    • US12044392
    • 2008-03-07
    • Jian-Ping YingAi-Bin QiuJian-Hong ZengZi-Ying Zhou
    • Jian-Ping YingAi-Bin QiuJian-Hong ZengZi-Ying Zhou
    • G05F1/70
    • H02M3/157H02M2001/0009H02M2001/0012
    • A sampling method with adjusting duty ratios is provided and includes the following steps. A first working pulse signal which has a pulse-width duty ratio D in a switching period Ts is provided. A first adjusting period comprising first N successive switching periods of the first working pulse signal is set, wherein N is a natural number larger than 1. A second working pulse signal which has second N successive switching periods with their corresponding pulse-width duty ratio D1, D2, . . . , DN to drive the switch in the converter circuit is provided and the measured signal is generated, wherein the sum of D1, D2, . . . , DN substantially equals to N·D and the second N successive switching periods constitute a second adjusting period.
    • 提供了具有调节占空比的采样方法,包括以下步骤。 提供在开关周期T S中具有脉冲宽度占空比D的第一工作脉冲信号。 设置包括第一工作脉冲信号的第一N个连续切换周期的第一调整周期,其中N是大于1的自然数。具有第二N个连续切换周期的第二工作脉冲信号,其相应的脉冲宽度占空比D 1 ,D 2 。 。 。 提供用于驱动转换器电路中的开关的D N N,并且产生测量信号,其中D 1,D 2,N 2, ,。 。 。 D N基本上等于N.D,第二N个连续切换周期构成第二调整周期。