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title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" title="Powermat无线充电">Powermat无线充电" 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【OFweek电子工程网原创 编译/David 】:无论是各式各样的移动手机,平板电脑,又或者是MP3播放器,我们好像已经日益离不开这些电子设备了,哪怕一天也好。而使用这些器件最离不开的则是充电的问题了。
譬如Powermat输入设备,它只需用户将其手持设备放置到充电垫上,无需电线就可奇迹般实现为电池充电。当然了,该方案还需要加入通用接收器,以达到保护手机的目的。
想知道Powermat 内部是什么样子的?现在就让我们对Powermat 2X进行地毡式拆解。可以看到里面是相当宽敞的电路板,只要扬声器“beep”的一声响,你就可以猜到此时Powermat 2X开始工作了。但是,到底是什么令它能如此神奇的进行无线充电的呢?
【OFweek电子工程网原创 编译/David 】:无论是各式各样的移动手机,平板电脑,又或者是MP3播放器,我们好像已经日益离不开这些电子设备了,哪怕一天也好。而使用这些器件最离不开的则是充电的问题了。
譬如Powermat输入设备,它只需用户将其手持设备放置到充电垫上,无需电线就可奇迹般实现为电池充电。当然了,该方案还需要加入通用接收器,以达到保护手机的目的。
想知道Powermat 内部是什么样子的?现在就让我们对Powermat 2X进行地毡式拆解。可以看到里面是相当宽敞的电路板,只要扬声器“beep”的一声响,你就可以猜到此时Powermat 2X开始工作了。但是,到底是什么令它能如此神奇的进行无线充电的呢?
深入Powermat 2X内部
该设备采用了一个称为感应电源转换的技术。该原理是由法拉第和安培最先发现的,但是,直至现在才真正将其应用到实际系统当中去。究其根本,它主要包含两部分,初级和次级部分。在初级部分由共振电源线圈电源在线圈中提供高频正弦电流,次级(获得)较小的线圈有个AC-DC转换器来转换成直流电源。在Powermat中,初级线圈绕16圈,接收器为8圈。线圈中放置有磁铁芯,然后分别置于PCB电路板的两面。
到了今天,小而安全的磁场被应用到手持设备中。
现在,让我们透过Powermat内部了解其关键设计细节:
德州仪器的TLC555C时钟发生器—该芯片首次于1971年生产。
芯源系统MP8040DN电源开关。这是一个半桥式线圈专用电源驱动器。
出自飞思卡尔的MKA4有着不一样的神秘。它包含两个相似模具固定在一起的封装。我们认为它可能具有磁性(或电容耦合)隔离器,用来从正弦充电电流中析出控制信号,或作为电流传感器。
MKA4_Die2-fair-free
Powermat电感器
充电接收器内部
我们在选一个独立接受器而不是客户定制手机。用户很难再加东西进去,对于经常拆解的内行来说,这已司空见惯。
德州仪器TL431AIDBZ调节器提供精确的输出电压
飞兆开云棋牌官网在线客服FDW2503N电源MOSFET,可能是用来驱动充电电路电池的。
飞思卡尔MA2CE,貌似一个相当复杂的电源管理芯片。