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    • 1. 发明授权
    • Power supply device having an auxiliary supply source for control circuitry
    • 电源装置具有用于控制电路的辅助电源
    • US08933641B2
    • 2015-01-13
    • US13346789
    • 2012-01-10
    • Paolo De AnnaDaniele Luccato
    • Paolo De AnnaDaniele Luccato
    • G05F1/00H02M3/07H02M3/335H02M1/00
    • H02M3/07H02M3/335H02M2001/0006
    • An electrical supply device may include a transformer with a secondary winding to feed a current to a load; control circuitry for the device; an auxiliary supply source for said control circuitry. The auxiliary supply source may include an output capacitor across which a supply voltage is provided for said control circuitry; at least one charge accumulation capacitor to be traversed by the current fed to said load; a comparator sensitive to the voltage on said at least one charge accumulation capacitor; and a switch interposed between said at least one charge accumulation capacitor and said output capacitor, said switch coupled to said comparator, whereby when the voltage on said at least one charge accumulation capacitor reaches a reference level, said switch couples said at least one charge accumulation capacitor to said output capacitor by transferring onto said output capacitor the charge on said at least one charge accumulation capacitor.
    • 电源装置可以包括具有用于将电流馈送到负载的次级绕组的变压器; 设备的控制电路; 用于所述控制电路的辅助电源。 辅助电源可以包括输出电容器,为该控制电路提供电源电压; 至少一个电荷累积电容器被馈送到所述负载的电流穿过; 对所述至少一个电荷累积电容器的电压敏感的比较器; 以及插入在所述至少一个电荷累积电容器和所述输出电容器之间的开关,所述开关耦合到所述比较器,由此当所述至少一个电荷累积电容器上的电压达到参考电平时,所述开关将所述至少一个电荷累积 电容器通过向所述输出电容器转移所述至少一个电荷累积电容器上的电荷而输出到所述输出电容器。
    • 2. 发明申请
    • POWER SUPPLY DEVICE
    • 电源设备
    • US20120176058A1
    • 2012-07-12
    • US13346789
    • 2012-01-10
    • Paolo De AnnaDaniele Luccato
    • Paolo De AnnaDaniele Luccato
    • H05B37/02H02M3/335
    • H02M3/07H02M3/335H02M2001/0006
    • An electrical supply device may include a transformer with a secondary winding to feed a current to a load; control circuitry for the device; an auxiliary supply source for said control circuitry. The auxiliary supply source may include an output capacitor across which a supply voltage is provided for said control circuitry; at least one charge accumulation capacitor to be traversed by the current fed to said load; a comparator sensitive to the voltage on said at least one charge accumulation capacitor; and a switch interposed between said at least one charge accumulation capacitor and said output capacitor, said switch coupled to said comparator, whereby when the voltage on said at least one charge accumulation capacitor reaches a reference level, said switch couples said at least one charge accumulation capacitor to said output capacitor by transferring onto said output capacitor the charge on said at least one charge accumulation capacitor.
    • 电源装置可以包括具有用于将电流馈送到负载的次级绕组的变压器; 设备的控制电路; 用于所述控制电路的辅助电源。 辅助电源可以包括输出电容器,为该控制电路提供电源电压; 至少一个电荷累积电容器被馈送到所述负载的电流穿过; 对所述至少一个电荷累积电容器的电压敏感的比较器; 以及插入在所述至少一个电荷累积电容器和所述输出电容器之间的开关,所述开关耦合到所述比较器,由此当所述至少一个电荷累积电容器上的电压达到参考电平时,所述开关将所述至少一个电荷累积 电容器通过向所述输出电容器转移所述至少一个电荷累积电容器上的电荷而输出到所述输出电容器。
    • 3. 发明授权
    • Resonant power converter with current doubler rectifier and related method
    • 具有电流倍增器整流器的谐振功率转换器及相关方法
    • US08339812B2
    • 2012-12-25
    • US12746195
    • 2007-12-07
    • Francesco MartiniPaolo De Anna
    • Francesco MartiniPaolo De Anna
    • H02M3/22H02M3/335
    • H02M3/3376H02M2001/0058H05B33/0815Y02B20/348Y02B70/1433Y02B70/1491
    • A power converter is provided, which may include_a transformer having primary and secondary windings; a primary side switching bridge arrangement including at least two switches switcheable at a switching frequency to drive the primary winding of said transformer, said primary side switching bridge arrangement including at least one decoupling capacitor; and a secondary side rectifying and filtering stage coupled to the secondary winding of said transformer, wherein said secondary side rectifying and filtering stage includes a current doubler with at least one inductor, wherein said at least one decoupling capacitor and said at least one inductor in said current doubler comprise a resonant tank circuit having a resonant frequency range encompassing said switching frequency, whereby said converter exhibits a gain defined by the position of said switching frequency within said resonant frequency range.
    • 提供了一种功率转换器,其可以包括具有初级和次级绕组的变压器; 初级侧开关桥式装置,其包括至少两个开关,其以切换频率切换以驱动所述变压器的初级绕组,所述初级侧开关桥式装置包括至少一个去耦电容器; 以及耦合到所述变压器的次级绕组的次级侧整流和滤波级,其中所述次级侧整流和滤波级包括具有至少一个电感器的电流倍增器,其中所述至少一个去耦电容器和所述至少一个电感器 电流倍增器包括具有包围所述开关频率的谐振频率范围的谐振回路,由此所述转换器表现出由所述开关频率在所述谐振频率范围内的位置所限定的增益。
    • 4. 发明申请
    • RESONANT POWER CONVERTER WITH CURRENT DOUBLER RECTIFIER AND RELATED METHOD
    • 具有电流二极管整流器的谐波功率转换器及相关方法
    • US20100254163A1
    • 2010-10-07
    • US12746195
    • 2007-12-07
    • Francesco MartiniPaolo De Anna
    • Francesco MartiniPaolo De Anna
    • H02M3/337
    • H02M3/3376H02M2001/0058H05B33/0815Y02B20/348Y02B70/1433Y02B70/1491
    • A power converter is provided, which may include_a transformer having primary and secondary windings; a primary side switching bridge arrangement including at least two switches switcheable at a switching frequency to drive the primary winding of said transformer, said primary side switching bridge arrangement including at least one decoupling capacitor; and a secondary side rectifying and filtering stage coupled to the secondary winding of said transformer, wherein said secondary side rectifying and filtering stage includes a current doubler with at least one inductor, wherein said at least one decoupling capacitor and said at least one inductor in said current doubler comprise a resonant tank circuit having a resonant frequency range encompassing said switching frequency, whereby said converter exhibits a gain defined by the position of said switching frequency within said resonant frequency range.
    • 提供了一种功率转换器,其可以包括具有初级和次级绕组的变压器; 初级侧开关桥式装置,其包括至少两个开关,其以切换频率切换以驱动所述变压器的初级绕组,所述初级侧开关桥式装置包括至少一个去耦电容器; 以及耦合到所述变压器的次级绕组的次级侧整流和滤波级,其中所述次级侧整流和滤波级包括具有至少一个电感器的电流倍增器,其中所述至少一个去耦电容器和所述至少一个电感器 电流倍增器包括具有包围所述开关频率的谐振频率范围的谐振回路,由此所述转换器表现出由所述开关频率在所述谐振频率范围内的位置所限定的增益。
    • 7. 发明授权
    • Multifunctional output stage for driving dimmed light sources and related method
    • 用于驱动暗光源的多功能输出级及相关方法
    • US08415894B2
    • 2013-04-09
    • US12809075
    • 2007-12-20
    • Paolo De AnnaMichele MenegazziOskar SchallmoserNicola Zanforlin
    • Paolo De AnnaMichele MenegazziOskar SchallmoserNicola Zanforlin
    • H05B41/16
    • H05B37/0263H05B33/0818H05B33/0845
    • A drive arrangement for light sources may include: a connection line to feed a light source, a switch element coupled to said line to apply on/off signals to said line, and a controller to control operation of said switch, said controller being sensitive to at least one of a dimming signal representative of a desired dimming level for said light source and an information-carrying digital signal, wherein said controller is configured to control operation of said switch to: a) PWM modulate an on/off signal applied to said line as a function of said dimming signal, whereby the average current conveyed towards said light source and determined by said PWM modulated on/off signal controls the brightness of said light source, b) transmit said information-carrying digital signal as an on/off information signal applied to said line, whereby the information carried by said information-carrying digital signal is transmitted over said line.
    • 用于光源的驱动装置可以包括:用于馈送光源的连接线,耦合到所述线的开关元件以对所述线施加开/关信号,以及控制器来控制所述开关的操作,所述控制器敏感地 代表所述光源的期望调光电平的调光信号和信息携带数字信号中的至少一个,其中所述控制器被配置为控制所述开关的操作,以:a)PWM调制施加到所述光源的开/关信号 作为所述调光信号的函数,由此朝向所述光源传送并由所述PWM调制的开/关信号确定的平均电流控制所述光源的亮度,b)将所述信息携带数字信号作为开/关 信息信号,由此由所述信息携带数字信号承载的信息通过所述线路发送。
    • 9. 发明授权
    • Driver arrangement for light emitting diodes
    • 发光二极管的驱动装置
    • US08319448B2
    • 2012-11-27
    • US12809071
    • 2007-12-20
    • Nico CecconelloPaolo De AnnaNicola Zanforlin
    • Nico CecconelloPaolo De AnnaNicola Zanforlin
    • H05B41/16
    • H05B33/0851H05B33/0815Y02B20/347
    • A driver arrangement for LEDs may include a PWM controller to deliver a feed voltage between an output line and a ground output line, said controller having a pin, a current regulator to regulate the feed current, a switch to connect said pin to a scaled-down version of the voltage on the first output line, and a control line to receive a signal to produce dimming, said control line coupled to said regulator and said switch to couple said regulator to a reference voltage and control switching, whereby: in one of the levels of a PWM control signal, said regulator interrupts said feed current, the voltage on said ground output line is floating, and in the other levels, said regulator is coupled to said reference voltage, said switch disconnects said pin from said voltage on the output line and the voltage on said ground output line is regulated.
    • 用于LED的驱动器布置可以包括PWM控制器,用于在输出线和接地输出线之间传送馈电电压,所述控制器具有引脚,用于调节馈电电流的电流调节器,用于将所述引脚连接到缩放 第一输出线上的电压下降版本,以及用于接收信号以产生调光的控制线,所述控制线耦合到所述调节器和所述开关,以将所述调节器耦合到参考电压并控制切换,由此:在 PWM控制信号的电平,所述调节器中断所述馈电电流,所述接地输出线上的电压是浮置的,而在其他电平中,所述调节器耦合到所述参考电压,所述开关将所述引脚与所述引脚断开, 输出线路和所述接地输出线路上的电压被调节。
    • 10. 发明申请
    • CONVERTER DEVICE
    • 转换器
    • US20120139423A1
    • 2012-06-07
    • US13308566
    • 2011-12-01
    • Francesco AngelinPaolo De Anna
    • Francesco AngelinPaolo De Anna
    • H05B37/02G05F1/10
    • H05B37/00H05B33/0818
    • A converter for feeding a load via an inductor with a current having a controlled intensity between a maximum level and a minimum level may include: a switch switchable on and off to permit or prevent, respectively, feeding of current towards said inductor; first and second current sensors sensitive to the current flowing through said switch when said switch is on or off, respectively; comparator circuitry to identify if the current intensity detected by said first current sensor and said second current sensor reaches said maximum level and said minimum level, respectively, by generating respective logical signals; and drive circuitry for said switch sensitive to said logical signals and configured to turn off said switch when the current intensity detected by said first sensor reaches said maximum level and turning on said switch when the current intensity detected by said second current sensor reaches said minimum level.
    • 用于通过电感器馈送具有在最大电平和最小电平之间的受控强度的电流的负载的转换器可以包括:可切换的开关,以分别允许或防止向所述电感器馈送电流; 第一和第二电流传感器分别对所述开关分别开启或关闭时流经所述开关的电流敏感; 比较器电路,用于识别所述第一电流传感器和所述第二电流传感器检测到的电流强度是否分别通过产生相应的逻辑信号而达到所述最大电平和所述最小电平; 以及用于所述开关的驱动电路,对所述逻辑信号敏感,并配置为当所述第一传感器检测到的电流强度达到所述最大电平时关闭所述开关,并且当由所述第二电流传感器检测到的电流强度达到所述最小电平时接通所述开关 。