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    • 34. 发明专利
    • Device for controlling resonant converter
    • 用于控制谐振转换器的装置
    • JP2011083186A
    • 2011-04-21
    • JP2010229173
    • 2010-10-11
    • Stmicroelectronics Srlエスティーマイクロエレクトロニクス エス.アール.エル.STMicroelectronics S.r.l.
    • ADRAGNA CLAUDIO
    • H02M3/28
    • H02M3/3376H02M1/08H02M2001/0058Y02B70/1433Y02B70/1491
    • PROBLEM TO BE SOLVED: To provide a switching circuit control device for a resonant converter that has a DC current output. SOLUTION: A half-bridge consisting of a first transistor Q1 and a second transistor Q2 generates a cyclic square wave voltage for driving a resonant circuit 300 for a resonant converter. A control device 100 has a circuit means 101 adapted to control the half-bridge according to a charging or discharging time period of a capacitor Ct and to synchronize the start time Tstart of a discharging or charging time period of the capacitor Ct that crosses a zero value of the signal Vs representing the current Is flowing in the resonant circuit 300; and additional means 102 and 103 adapted to control switching-off of the first transistor Q1 or the second transistor Q2 at the end of the discharging or charging time period of the capacitor Ct. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种具有直流电流输出的谐振转换器的开关电路控制装置。 解决方案:由第一晶体管Q1和第二晶体管Q2组成的半桥产生用于驱动用于谐振转换器的谐振电路300的循环方波电压。 控制装置100具有电路装置101,其适于根据电容器Ct的充电或放电时间段来控制半桥,并且使电容器Ct的放电或充电时间段的开始时间Tstart同步为零 表示在谐振电路300中流过的电流Is的信号Vs的值; 以及适于在电容器Ct的放电或充电时间段结束时控制第一晶体管Q1或第二晶体管Q2的截止的附加装置102和103。 版权所有(C)2011,JPO&INPIT