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    • 5. 发明申请
    • CAPACITIVE SENSING ENABLED SWITCH MODE POWER SUPPLY AND DATA TRANSFER
    • 电容式感应启用开关模式电源和数据传输
    • WO2013067550A8
    • 2014-05-22
    • PCT/ZA2012000082
    • 2012-10-31
    • BRUWER FREDERICK JOHANNES
    • BRUWER FREDERICK JOHANNESVAN WYK DANIELDOORDUIN WILLEM ADRIAAN
    • H02M1/36H02M1/00
    • H02M3/33507G01R27/2605H02J7/022H02J7/025H02J50/10H02M1/36H02M2001/0006H02M2001/0032H05B33/0815H05B37/02Y02B70/16
    • A microchip for control of a switch mode power supply (SMPS), with said microchip also having the ability to measure capacitance of an electrode or sense plate structure or structures, and use of a low power, power supply structure to supply said microchip, said power supply structure distinct from the main energy path via said SMPS to a load. The microchip may control said SMPS to transition between an active state and an inactive state, with the measured capacitance used to determine a condition for state transition. In said SMPS inactive state, only the microchip draws power to operate its capacitive sensing circuitry, leading to a significant SMPS standby losses decrease compared to prior art. Further teachings by the present invention include capacitive sensing based data transfer, universal charging platforms for mobile devices, noise immunity enhancements, various lighting embodiments as well as SMPS operation improvements.
    • 一种用于控制开关模式电源(SMPS)的微芯片,所述微芯片还具有测量电极或感测板结构或结构的电容的能力,以及使用低功率供电结构来供应所述微芯片,所述微芯片 电源结构与通过所述SMPS的主能量路径不同于负载。 微芯片可以控制所述SMPS在活动状态和非活动状态之间转换,所测量的电容用于确定状态转变的状态。 在所述SMPS非活动状态下,只有微芯片才能吸收功率来操作其电容感测电路,导致与现有技术相比,显着的SMPS待机损耗降低。 本发明的进一步的教导包括基于电容传感的数据传输,用于移动设备的通用充电平台,抗噪声增强,各种照明实施例以及SMPS操作改进。