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81. 发明授权

US07110265B2 Non-isolated DC-DC converters with direct primary to load current 有权
标题翻译：具有直接负载电流的非隔离DC-DC转换器
公开(公告)号：US07110265B2
公开(公告)日：2006-09-19
申请号：US10729971
申请日：2003-12-09
申请人： Yan-Fei Liu , Sheng Ye
发明人： Yan-Fei Liu , Sheng Ye
IPC分类号： H02M3/335
CPC分类号： H02M3/1584 , H02M3/158 , H02M3/1588 , H02M3/28 , H02M3/285 , Y02B70/1425 , Y02B70/1466
摘要： DC—DC converters have high side and rectifier circuits, and output capacitor. High side circuit connects between input voltage and output voltage, and has primary winding and auxiliary section that operate transformer properly. Auxiliary may have switches or combination of switches and capacitors. High side circuit converts electrical into magnetic energy through transformer primary, which is then transferred to output through rectifier circuit. It also transfers energy directly to output voltage. Converters have high efficiency, fast dynamic response and high current output. Converters can have large duty cycle and large input voltage and output voltage conversion ratio. High side circuit can be half-bridge, full-bridge or forward converter. Rectifier uses inductors on either side of the secondary, and diodes or synchronous rectifiers, to rectify output voltage. Multi-phase interleaved circuits utilize shared switches to reduce size. High side circuit can utilize resonant tank to decrease switching losses in auxiliary.
摘要翻译： DC-DC转换器具有高边和整流电路以及输出电容。高侧电路连接输入电压和输出电压，并具有正常工作变压器的初级绕组和辅助部分。辅助设备可以有开关或开关和电容器的组合。高侧电路通过变压器初级将电能转换为磁能，然后通过整流电路传输到输出。它还可以将能量直接传输到输出电压。转换器效率高，动态响应快，电流输出高。转换器可以具有较大的占空比和较大的输入电压和输出电压转换比。高侧电路可以是半桥，全桥或正转换器。整流器在二次侧和二极管或同步整流器的任一侧使用电感器来整流输出电压。多相交错电路利用共享交换机来减小大小。高侧电路可以利用谐振槽来减少辅助开关损耗。

82. 发明授权

US07079403B2 Isolated DC-DC converters 有权
标题翻译：隔离式DC-DC转换器
公开(公告)号：US07079403B2
公开(公告)日：2006-07-18
申请号：US10729970
申请日：2003-12-09
申请人： Yan-Fei Liu , Sheng Ye
发明人： Yan-Fei Liu , Sheng Ye
IPC分类号： H02M3/335
CPC分类号： H02M3/285 , H02M3/33576
摘要： One DC-DC converter includes primary side circuit between high and low side inputs including first primary winding of first transformer, and auxiliary section; and rectifier circuits, with separate secondary windings of first transformer, and in parallel with one another and output and capacitor; an output capacitor between outputs and across rectifier circuit. Auxiliary causes transfer of power from first primary to first secondary winding and operation without saturation. Another converter includes primary side circuit including primary winding of plurality of transformers, and an auxiliary section; a rectifier circuit having secondary winding of the plurality of transformers, the rectifier circuit in parallel with output and capacitor; an output capacitor between outputs and across rectifier circuit. Auxiliary section includes switches for connecting and disconnecting primary windings from input, and for resetting transformers. Alternatively, auxiliary section includes switches and capacitors. Switches and capacitors in auxiliary section shared between transformers.
摘要翻译：一个DC-DC转换器包括高低侧输入之间的初级侧电路，包括第一变压器的第一初级绕组和辅助部分; 和整流电路，具有第一变压器的单独的次级绕组，并且彼此并联并输出和电容器; 输出和整流电路之间的输出电容。辅助电源从第一次初级到次级绕组转换，无饱和操作。另一转换器包括：初级侧电路，包括多个变压器的初级绕组和辅助部分; 整流电路具有多个变压器的次级绕组，整流电路与输出和电容并联; 输出和整流电路之间的输出电容。辅助部分包括用于从输入端连接和断开初级绕组以及用于复位变压器的开关。或者，辅助部分包括开关和电容器。变压器共用的辅助部分中的开关和电容器。

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