《電子技術應用》
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無線充電新策略:深入Powermat無線充電系統(tǒng)
OFweek電子工程網(wǎng)
摘要: 無論是各式各樣的移動手機,平板電腦,又或者是MP3播放器,我們好像已經(jīng)日益離不開這些電子設備了,哪怕一天也好。而使用這些器件最離不開的則是充電的問題了。
Abstract:
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title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" title="Powermat無線充電">Powermat無線充電" 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  【OFweek電子工程網(wǎng)原創(chuàng) 編譯/David 】:無論是各式各樣的移動手機,平板電腦,又或者是MP3播放器,我們好像已經(jīng)日益離不開這些電子設備了,哪怕一天也好。而使用這些器件最離不開的則是充電的問題了。

  譬如Powermat輸入設備,它只需用戶將其手持設備放置到充電墊上,無需電線就可奇跡般實現(xiàn)為電池充電。當然了,該方案還需要加入通用接收器,以達到保護手機的目的。

  想知道Powermat 內(nèi)部是什么樣子的?現(xiàn)在就讓我們對Powermat 2X進行地氈式拆解??梢钥吹嚼锩媸窍喈攲挸ǖ碾娐钒?,只要揚聲器“beep”的一聲響,你就可以猜到此時Powermat 2X開始工作了。但是,到底是什么令它能如此神奇的進行無線充電的呢?

 

無線充電新策略:深入Powermat無線充電系統(tǒng)

  【OFweek電子工程網(wǎng)原創(chuàng) 編譯/David 】:無論是各式各樣的移動手機,平板電腦,又或者是MP3播放器,我們好像已經(jīng)日益離不開這些電子設備了,哪怕一天也好。而使用這些器件最離不開的則是充電的問題了。

  譬如Powermat輸入設備,它只需用戶將其手持設備放置到充電墊上,無需電線就可奇跡般實現(xiàn)為電池充電。當然了,該方案還需要加入通用接收器,以達到保護手機的目的。

  想知道Powermat 內(nèi)部是什么樣子的?現(xiàn)在就讓我們對Powermat 2X進行地氈式拆解。可以看到里面是相當寬敞的電路板,只要揚聲器“beep”的一聲響,你就可以猜到此時Powermat 2X開始工作了。但是,到底是什么令它能如此神奇的進行無線充電的呢?

 

  深入Powermat 2X內(nèi)部

  該設備采用了一個稱為感應電源轉(zhuǎn)換的技術。該原理是由法拉第和安培最先發(fā)現(xiàn)的,但是,直至現(xiàn)在才真正將其應用到實際系統(tǒng)當中去。究其根本,它主要包含兩部分,初級和次級部分。在初級部分由共振電源線圈電源在線圈中提供高頻正弦電流,次級(獲得)較小的線圈有個AC-DC轉(zhuǎn)換器來轉(zhuǎn)換成直流電源。在Powermat中,初級線圈繞16圈,接收器為8圈。線圈中放置有磁鐵芯,然后分別置于PCB電路板的兩面。

  到了今天,小而安全的磁場被應用到手持設備中。

  現(xiàn)在,讓我們透過Powermat內(nèi)部了解其關鍵設計細節(jié):

 

  德州儀器的TLC555C時鐘發(fā)生器—該芯片首次于1971年生產(chǎn)。

  芯源系統(tǒng)MP8040DN電源開關。這是一個半橋式線圈專用電源驅(qū)動器。

  出自飛思卡爾的MKA4有著不一樣的神秘。它包含兩個相似模具固定在一起的封裝。我們認為它可能具有磁性(或電容耦合)隔離器,用來從正弦充電電流中析出控制信號,或作為電流傳感器。

  MKA4_Die2-fair-free

 

  Powermat電感器

  充電接收器內(nèi)部

  我們在選一個獨立接受器而不是客戶定制手機。用戶很難再加東西進去,對于經(jīng)常拆解的內(nèi)行來說,這已司空見慣。

 

  德州儀器TL431AIDBZ調(diào)節(jié)器提供精確的輸出電壓

 

  飛兆半導體FDW2503N電源MOSFET,可能是用來驅(qū)動充電電路電池的。

  飛思卡爾MA2CE,貌似一個相當復雜的電源管理芯片。

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