揭秘5A大电流的背后 华为Mate 9原装Type-C数据线拆解
![041530mp266ckjcnjyknsy.jpg](http://cms-bucket.nosdn.127.net/catchpic/2/20/203f7724d1c22caaba64b10dcab5067b.jpg?imageView&thumbnail=550x0)
另外一面。
![041530cmmllrtrqxxagx3w.jpg](http://cms-bucket.nosdn.127.net/catchpic/d/d3/d3addb0c76c5e1a8a724ef3df1bfda39.jpg?imageView&thumbnail=550x0)
接触片细节,镀金粗壮。华为用USB 2.0线材规格实现5A大电流快充,这点引起了我们的关注;在咨询业内工程师得知,普通USB2.0数据线的接口镀金厚度为2u,而华为mate9数据线的镀金厚度高达32u,足足多了15倍,可见为了满足快充需求在用料上下了不少功夫。此外,线缆的线径也做了加粗,下面的深度拆解见分晓。
![041530cuuul0glmlu2a600.jpg](http://cms-bucket.nosdn.127.net/catchpic/a/a6/a6bbb88dd839512adaf2d533bc4f3bd5.jpg?imageView&thumbnail=550x0)
金黄色的接触片。
![041530kplaeswdbfdlsdes.jpg](http://cms-bucket.nosdn.127.net/catchpic/8/81/81c46596031f34a2cca1ce8844752442.jpg?imageView&thumbnail=550x0)
这边也是两根红线焊接在一起的。
![041531r814k4ozuwp2e4ro.jpg](http://cms-bucket.nosdn.127.net/catchpic/9/90/9056858621928077def4f18b2ee46bb5.jpg?imageView&thumbnail=550x0)
灌胶全部清理掉。
![041531ovuv6acoecv22qk2.jpg](http://cms-bucket.nosdn.127.net/catchpic/1/1f/1fc29bae551f5bb62d9f2948bc58ef93.jpg?imageView&thumbnail=550x0)
另外一面看到尾部也是有铜箔包住,防拉线等。
![041531pb5hbpjc5t85qypn.jpg](http://cms-bucket.nosdn.127.net/catchpic/a/af/af9054b0d2cb266222c74f6ee876f9b9.jpg?imageView&thumbnail=550x0)
接触片拉出来,很厚很宽。
![041531lypzcgd2rrp2q4h4.jpg](http://cms-bucket.nosdn.127.net/catchpic/6/62/62d09e6fe8729ae3d9a9dfccc72e6cd0.jpg?imageView&thumbnail=550x0)
USB全部拆解部件。
![041531pl7t4rq7kk8hl0rk.jpg](http://cms-bucket.nosdn.127.net/catchpic/f/f4/f41ac04904be4aeffb7baa749ec710ff.jpg?imageView&thumbnail=550x0)
两端头部的拆解部件。
![041532qdl1msgsdmgf6gra.jpg](http://cms-bucket.nosdn.127.net/catchpic/f/f6/f630558fc162b7608acf1916203d18c7.jpg?imageView&thumbnail=550x0)
线材剥开, 里面是网状屏蔽层在缠绕防拉线。
![041532w771l3v1tl1vxezz.jpg](http://cms-bucket.nosdn.127.net/catchpic/5/57/572fb50a1d06103756748cbefa8d27e5.jpg?imageView&thumbnail=550x0)
铝箔纸屏蔽层。
![041532nj2momx2bk002o3e.jpg](http://cms-bucket.nosdn.127.net/catchpic/6/66/66c7d62d3e9330ec79ce8136274f5ab2.jpg?imageView&thumbnail=550x0)
四根防拉线,绿色、白色为信号线, 一股GND裸线,两根红色为电源线。
![041532rfupd674tkhhukkc.jpg](http://cms-bucket.nosdn.127.net/catchpic/d/d5/d52b71acfbac68c64cda963baaa54acf.jpg?imageView&thumbnail=550x0)
剥开头部。
![041532zhhmzzhhjieqne7w.jpg](http://cms-bucket.nosdn.127.net/catchpic/5/5f/5f0a030522b3b602f7f9a7b041920915.jpg?imageView&thumbnail=550x0)
全部是多根小股镀锡铜线组成的,其中通过电流的两根红色线缆的规格高达18AWG(号),相比普通的20AWG和22AWG厚实不少;这里AWG数值越小,线径越粗。
![041533fh0gzn8mw4ws21hw.jpg](http://cms-bucket.nosdn.127.net/catchpic/9/9d/9d5055010e43983f523a00a0775399d6.jpg?imageView&thumbnail=550x0)
每股里面还有防拉线。
![041533e51j84k545k5i03v.jpg](http://cms-bucket.nosdn.127.net/catchpic/a/a0/a0401adb6ff3dd4f027ce4299d2d7226.jpg?imageView&thumbnail=550x0)
线材组成。
![041533vwmpf99nnp3ww5im.jpg](http://cms-bucket.nosdn.127.net/catchpic/3/39/39408871f1ede7b5b6225af1fa8673db.jpg?imageView&thumbnail=550x0)
![041533ii9vi3io8ztoy5oh.jpg](http://cms-bucket.nosdn.127.net/catchpic/a/a3/a37dc7ecfb0be923e0abf1f39bec6099.jpg?imageView&thumbnail=550x0)
最后附上华为Mate 9这条5A Type-C线用于给热门快充手机和移动电源充电的兼容性测试表格:
![h11.png](http://cms-bucket.nosdn.127.net/catchpic/8/88/8837fa6b932b0f8c6449daa89ec252d9.png?imageView&thumbnail=550x0)
![h12.png](http://cms-bucket.nosdn.127.net/catchpic/3/32/327f4f55b36f4f7f2fdfaf282fc9bfff.png?imageView&thumbnail=550x0)
数据传输速率测试最大为42MB/S,属于USB2.0范畴。
![h13.jpg](http://cms-bucket.nosdn.127.net/catchpic/7/76/76e159a818fce37fd6729c2f508d8364.jpg?imageView&thumbnail=550x0)
总结:
(1)华为Mate9的SuperCharge 5A快充线并没有采用USB3.0规格,也没有采用类似VOOC的定制线缆,降低了用户选购快充配件的门槛;
(2)华为5A线实测支持高通QC3.0、MTK PE,以及华为自家FCP快充,兼容性好;
(3)市面上的Type-C线能否支持华为Mate9的快充,这点有待考证,等机器上市了实测揭晓。
最后这条线做工还是不错的,价格也很给力,当常规线用也不错。
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