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接洽人:林师长教师(手艺)13530140537

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地(di)点(dian):深圳市宝安区(qu)西乡侨鸿盛文明创意园写字楼A栋614-616
手艺中间
  • 挪动电源特性化和周边扩大是值得摸索标的目的 挪(nuo)动(dong)电(dian)(dian)源(yuan)特性化(hua)和周边扩(kuo)大是值得(de)摸索标的目的因为苹果(guo)手、平板电(dian)(dian)脑(nao)和大屏幕智(zhi)妙手机(ji)的鼓起来,挪(nuo)动(dong)电(dian)(dian)源(yuan)成了一个市场(chang)蓝(lan)海,正(zheng)在疾速的突起,从79届(jie)电(dian)(dian)子展和深圳的**展,挪(nuo)动(dong)电(dian)(dian)源(yuan)正(zheng)向一匹数码(ma)行业黑马奔向一个黄金时期。挪(nuo)动(dong)电(dian)(dian)源(yuan)的产物今(jin)朝(chao)表现三种情势。1、 纯真的挪(nuo)动(dong)电(dian)(dian)源(yuan)产物。挪(nuo)动(dong)电(dian)(dian)源(yuan)从2011年下半年获得(de)了杰(jie)出的市场(chang)冲(chong)破(po),一向延(yan)续到此刻(ke),市场(chang)都(dou)显得(de)很是炽热,从今(jin)天(tian)挪(nuo)动(dong)电(dian)(dian)源(yuan)网宣(xuan)布的在天(tian)猫商城统(tong)计的前十名(ming)的品牌
    宣(xuan)布时辰(chen):2012-07-27 13:42 点击次数:2814 次
  • 挪动电源:18650和软包锂电池谁是将来支流 挪动电(dian)源:18650和软包(bao)锂电(dian)池谁是将来支流(liu)追溯挪动电(dian)源,当(dang)要从2009年(nian)算起,当(dang)是只是一种不获(huo)得承认的(de)(de)产物,并(bing)不引(yin)发(fa)太多人的(de)(de)存眷,直(zhi)到(dao)2010年(nian)高低(di),跟着大(da)屏(ping)幕智妙(miao)手(shou)机的(de)(de)鼓(gu)起,挪动电(dian)源如(ru)同(tong)雨后春笋般(ban)兴旺成长(zhang),而如(ru)火似荼,今朝市场比拟罕见的(de)(de)挪动电(dian)源电(dian)芯首要有两种,一种是18650电(dian)池,另外一种软包(bao)锂电(dian)池。1、 甚么是18650电(dian)池?18650型(xing),即指电(dian)池的(de)(de)直(zhi)径为18mm,长(zhang)度(du)为65mm,圆柱体型(xing)
    宣布时(shi)辰(chen):2012-07-27 13:38 点击(ji)次(ci)数:2974 次(ci)
  • 挪动电源发卖市场淡季淡季阐发 对于(yu)挪动(dong)(dong)电源发(fa)(fa)(fa)卖(mai)(mai)市场(chang)(chang)(chang)淡(dan)(dan)季(ji)淡(dan)(dan)季(ji)阐(chan)(chan)发(fa)(fa)(fa)在(zai)商(shang)定俗成的(de)市场(chang)(chang)(chang)中,是难逃产物发(fa)(fa)(fa)卖(mai)(mai)淡(dan)(dan)季(ji)和淡(dan)(dan)季(ji)的(de)辨别的(de),挪动(dong)(dong)电源也不破例,本(ben)文(wen)将(jiang)从几(ji)个(ge)方面来阐(chan)(chan)述对于(yu)挪动(dong)(dong)电源发(fa)(fa)(fa)卖(mai)(mai)市场(chang)(chang)(chang)淡(dan)(dan)季(ji)淡(dan)(dan)季(ji)阐(chan)(chan)发(fa)(fa)(fa),仅代表一家之言,若(ruo)是读者有不同的(de)观点,接(jie)待颁(ban)发(fa)(fa)(fa)批(pi)评或接(jie)洽本(ben)文(wen)作者,一路来切磋对于(yu)挪动(dong)(dong)电源市场(chang)(chang)(chang)对于(yu)发(fa)(fa)(fa)卖(mai)(mai)淡(dan)(dan)季(ji)淡(dan)(dan)季(ji)阐(chan)(chan)发(fa)(fa)(fa)。发(fa)(fa)(fa)卖(mai)(mai)淡(dan)(dan)季(ji)阐(chan)(chan)发(fa)(fa)(fa)一:先生(sheng)市场(chang)(chang)(chang),时辰(chen)段在(zai)6月尾(wei)(wei)延续到9月尾(wei)(wei)摆布(bu)。首要分两个(ge)阶段:6月份起头的(de)淡(dan)(dan)季(ji)市场(chang)(chang)(chang):从挪动(dong)(dong)电源的(de)用户阐(chan)(chan)发(fa)(fa)(fa)来看,学(xue)
    宣布时(shi)辰:2012-07-27 13:31 点击次数:2751 次
  • 对于挪动电源发卖市场淡季淡季阐发 在(zai)商定俗成的(de)(de)(de)市(shi)(shi)(shi)场中,是难逃产物发(fa)(fa)(fa)卖(mai)淡(dan)(dan)季和(he)淡(dan)(dan)季的(de)(de)(de)辨别的(de)(de)(de),挪(nuo)动电(dian)源(yuan)(yuan)也不破例,本(ben)文将从几个方面(mian)来(lai)阐(chan)(chan)述对(dui)于挪(nuo)动电(dian)源(yuan)(yuan)发(fa)(fa)(fa)卖(mai)市(shi)(shi)(shi)场淡(dan)(dan)季淡(dan)(dan)季阐(chan)(chan)发(fa)(fa)(fa),仅(jin)代表一(yi)(yi)家之言,若是读者有不同的(de)(de)(de)观点,接(jie)待(dai)颁发(fa)(fa)(fa)批评或接(jie)洽本(ben)文作者,一(yi)(yi)路(lu)来(lai)切磋对(dui)于挪(nuo)动电(dian)源(yuan)(yuan)市(shi)(shi)(shi)场对(dui)于发(fa)(fa)(fa)卖(mai)淡(dan)(dan)季淡(dan)(dan)季阐(chan)(chan)发(fa)(fa)(fa)。发(fa)(fa)(fa)卖(mai)淡(dan)(dan)季阐(chan)(chan)发(fa)(fa)(fa)一(yi)(yi):先生市(shi)(shi)(shi)场,时辰段(duan)在(zai)6月尾延续到9月尾摆布。首要分两个阶段(duan):6月份起头的(de)(de)(de)淡(dan)(dan)季市(shi)(shi)(shi)场:从挪(nuo)动电(dian)源(yuan)(yuan)的(de)(de)(de)用户(hu)阐(chan)(chan)发(fa)(fa)(fa)来(lai)看,先生永久是一(yi)(yi)个很是不错(cuo)的(de)(de)(de)市(shi)(shi)(shi)场,即(ji)便
    宣布时(shi)辰:2012-07-27 13:31 点击(ji)次(ci)(ci)数:3160 次(ci)(ci)
  • 功率LED驱动芯片的PWM调光、LED调光比、占空比详解 功率LED驱动芯(xin)(xin)片的(de)PWM调(diao)光(guang)、LED调(diao)光(guang)比、占(zhan)空比详解LED驱动芯(xin)(xin)片PWM调(diao)光(guang)、LED调(diao)光(guang)比、占(zhan)空比今朝愈来愈多的(de)工(gong)程(cheng)案例(li)须要用到LED驱动芯(xin)(xin)片的(de)调(diao)光(guang)接口。这实在是LED智能照明(ming)操(cao)纵的(de)必然成长(zhang)趋向。以是有志于投身LED绿色节能照明(ming)范畴(chou)的(de)大侠(xia)们该进修(xiu)的(de)时(shi)辰(chen)还很多进修(xiu)。一(yi).占(zhan)空比(Duty Cycle or Duty Ratio)1.在一(yi)串抱负的(de)脉冲(chong)序列中(如方波),正(zheng)脉冲(chong)的(de)延续(xu)时(shi)辰(chen)与脉冲(chong)总周期的(de)比
    宣布时辰:2012-07-27 13:16 点击(ji)次数:2864 次
  • DC-DC升压和降压电路电容操纵误区与经历谈 DC-DC升压(ya)(ya)(ya)和降压(ya)(ya)(ya)电(dian)(dian)(dian)路电(dian)(dian)(dian)容(rong)(rong)(rong)操纵误区与(yu)经(jing)历(li)谈(tan)电(dian)(dian)(dian)容(rong)(rong)(rong)的(de)(de)(de)操纵 误区与(yu)经(jing)历(li)谈(tan)操纵经(jing)历(li):  在电(dian)(dian)(dian)路中不(bu)能肯定(ding)线路的(de)(de)(de)极性时,倡议操纵无极电(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)容(rong)(rong)(rong)。经(jing)由进程电(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)容(rong)(rong)(rong)的(de)(de)(de)纹波电(dian)(dian)(dian)流(liu)不(bu)能跨越(yue)其充许规模。如跨越(yue)了划定(ding)值,需(xu)选用耐大(da)纹波电(dian)(dian)(dian)流(liu)的(de)(de)(de)电(dian)(dian)(dian)容(rong)(rong)(rong)。电(dian)(dian)(dian)容(rong)(rong)(rong)的(de)(de)(de)任务(wu)电(dian)(dian)(dian)压(ya)(ya)(ya)不(bu)能跨越(yue)其额外(wai)电(dian)(dian)(dian)压(ya)(ya)(ya)。在停止电(dian)(dian)(dian)容(rong)(rong)(rong)的(de)(de)(de)焊(han)接(jie)的(de)(de)(de)时辰(chen),电(dian)(dian)(dian)烙铁应与(yu)电(dian)(dian)(dian)容(rong)(rong)(rong)的(de)(de)(de)塑(su)料(liao)外(wai)壳坚持必(bi)然的(de)(de)(de)间隔(ge),以避(bi)免过热形成塑(su)料(liao)套(tao)管分裂。并且焊(han)接(jie)时辰(chen)不(bu)应跨越(yue)10秒,焊(han)接(jie)温度(du)不(bu)应跨越(yue)260摄氏(shi)度(du)
    宣布时辰:2012-07-27 13:14 点击次数:2621 次
  • DC-DC升压和降压电路电感参数挑选详解 DC-DC升压和降压电(dian)(dian)(dian)(dian)路电(dian)(dian)(dian)(dian)感(gan)参数挑选(xuan)详解(jie)注(zhu):只(zhi)要(yao)充(chong)实懂得电(dian)(dian)(dian)(dian)感(gan)在DC-DC电(dian)(dian)(dian)(dian)路中阐扬的(de)(de)感(gan)化,能(neng)力更优的(de)(de)设想DC-DC电(dian)(dian)(dian)(dian)路。本文还包含对同(tong)步DC-DC及异步DC-DC观点的(de)(de)诠(quan)释。DC-DC电(dian)(dian)(dian)(dian)路电(dian)(dian)(dian)(dian)感(gan)参数挑选(xuan)详解(jie)DC-DC电(dian)(dian)(dian)(dian)路电(dian)(dian)(dian)(dian)感(gan)的(de)(de)挑选(xuan)简(jian)介(jie)在开关(guan)电(dian)(dian)(dian)(dian)源(yuan)的(de)(de)设想中电(dian)(dian)(dian)(dian)感(gan)的(de)(de)设想为工程师带来的(de)(de)很多的(de)(de)挑衅。工程师不只(zhi)要(yao)挑选(xuan)电(dian)(dian)(dian)(dian)感(gan)值,还要(yao)斟酌(zhuo)电(dian)(dian)(dian)(dian)感(gan)可蒙受的(de)(de)电(dian)(dian)(dian)(dian)流,绕线电(dian)(dian)(dian)(dian)阻,机器(qi)尺寸等等。本文专(zhuan)一于诠(quan)释:电(dian)(dian)(dian)(dian)感(gan)上的(de)(de)DC电(dian)(dian)(dian)(dian)流效(xiao)应。这
    宣布时辰:2012-07-27 13:12 点击次(ci)数:2679 次(ci)
  • LED驱动芯片的限流恒流与精准恒流详解 LED驱动(dong)芯片的(de)(de)限流(liu)(liu)恒(heng)流(liu)(liu)与精准恒(heng)流(liu)(liu)详解上(shang)面要说的(de)(de)是,两种恒(heng)流(liu)(liu)节制形(xing)式的(de)(de)开关电源,从(cong)而发生两种做(zuo)(zuo)法。这两种做(zuo)(zuo)法不(bu)管是道(dao)理,仍是器件操纵,仍是机能不(bu)同,相称都较大。起首说道(dao)理。**种以此(ci)刻(ke)恒(heng)流(liu)(liu)型LED公用IC为代表,首要如9910系列,AMC7150,但凡此(ci)刻(ke)打LED恒(heng)流(liu)(liu)驱动(dong)
    宣布时辰(chen):2012-07-27 12:41 点击次数:2019 次
  • MOS管低级入门详解 MOS管低(di)级入门详解功(gong)率(lv) 场(chang)(chang)(chang)效(xiao)应(ying) 晶体(ti)管 MOSFET1.概述    MOSFET的原意是:MOS(MetalOxideSemiconductor金属氧(yang)化(hua)物半导体(ti)),FET(FieldEffectTransistor场(chang)(chang)(chang)效(xiao)应(ying)晶体(ti)管),即以(yi)金属层(M)的栅极(ji)隔着氧(yang)化(hua)层(O)操纵电场(chang)(chang)(chang)的效(xiao)应(ying)来节制(zhi)半导体(ti)(S)的场(chang)(chang)(chang)效(xiao)应(ying)晶体(ti)管。  功(gong)率(lv)场(chang)(chang)(chang)效(xiao)应(ying)晶体(ti)管也分(fen)为结型(xing)和(he)绝(jue)缘(yuan)栅型(xing),但(dan)凡是首(shou)要指(zhi)绝(jue)缘(yuan)栅型(xing)中的MOS型(xing)(Met
    宣布时辰:2012-07-27 12:01 点击次数:6552 次
  • 操纵功率MOSFET管中的开关消耗详解 操纵功率MOSFET管中(zhong)的(de)(de)(de)开(kai)关消(xiao)耗详解(jie),做(zuo)照明驱动的(de)(de)(de)伴侣都但愿自(zi)(zi)身(shen)做(zuo)的(de)(de)(de)驱动板能到(dao)达很高的(de)(de)(de)效力,除开(kai)驱动芯片自(zi)(zi)身(shen)的(de)(de)(de)消(xiao)耗若是加深(shen)(shen)对(dui)MOS管开(kai)关的(de)(de)(de)消(xiao)耗做(zuo)恰当的(de)(de)(de)电路调剂我想多几多少也(ye)是能够(gou)挤(ji)出(chu)一局部效力来的(de)(de)(de)哦。以(yi)下(xia)内容具体阐(chan)发计(ji)较开(kai)关消(xiao)耗,并(bing)(bing)阐(chan)述现(xian)实(shi)状况下(xia)功率MOSFET的(de)(de)(de)开(kai)经由(you)进程程和天然(ran)零电压关断的(de)(de)(de)进程,从而使电子工(gong)程师晓(xiao)得哪一个参(can)数起主导感化并(bing)(bing)加倍(bei)深(shen)(shen)切懂得MOSFET。对(dui)晋(jin)升产物机能应当有所赞(zan)助。MOSF
    宣布时辰:2012-07-27 11:58 点击次数:2150 次
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