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技术文摘：争鸣：单芯片手机方案到底有没有市场？

Semiconductor device is in fast to taller compositive spending development is a fact that does not dispute, and the function also can exceed separate plan finally, on the history countless facts proved this kind of trend, this trend is in now mobile phone market by test and verify. Editor Steven dispatch expresses " plan of odd chip mobile phone is in China market prospect is dim " , my criterion thinks actually cost advantage adds program of odd chip mobile phone more apparent, the market will be in next year blowout. Connect TI, Ying Feiling, NXP, high and the pioneer that the company such as Silicon Labs is this revolution, plan of their odd chip mobile phone is in by market place test and verify. So-called odd chip and much chip are an opposite concept only, at present industry is to the consensus of odd chip mobile phone digital base band, imitate base band, send and receive chip, part to govern chip, memory and major interface function compositive in in odd chip, it is with respect to what say " odd chip mobile phone " -- although front of a few radio frequency for instance PA, filter and parts of an apparatus of partial power source still outside. Did not accomplish all and compositive, because will look from current semiconductor technology,be, this kind compositive degree can realize best sexual price to compare, that is to say below this kind of compositive plan, the function that the user can enjoy won't have a discount, the progress of the oldest science and technology that it reflects is simulative RFIC adopts digital technology processing is compositive in digital chip. The profit that it brings is numerous: Amount of periphery parts of an apparatus is reduced, design number of plies of simpler, PCB to reduce, make simpler, of course still the cost that brings subsequently drops, this also is the advantage that at present manufacturer of Chinese mobile phone values most most. From at present the low end of manufacturer of conductor of half and half in light of quote of mobile phone plan, odd chip plan has quite large dominant position. Production cost can achieve the mobile phone whole that uses program of odd chip of Yu Yingfei approach for instance 16 dollars are the following, the mobile phone BOM that Silicon Labs also weighs to be used at plan of this company odd chip can be reduced to 16 dollars, quote of mobile phone of plan of other odd chip also is controlled in 18 dollars. This kind of price is at present separate plan comes true impossibly, cannot eliminate a few manufacturers to depreciate to grab market ill will of course, be out of pocket makes the abnormal trade trade that controls a competitor. Next year everybody can see the mobile phone of this kind of price appears on the market in great quantities, but not be certainly in Chinese market, the Euramerican country that hamster, South America, Asia, Africa develops even can appear the user that exceeds low mobile phone group, and the commercial pattern that exceeds low mobile phone basically can be operation business custom-built, it is reported is current many mobile phone manufacturers are in China this kind of sheet of business of operation of contest mark international is ordered, and already had those who obtain order, opening sufficient Ma Li to design. Want to know to be in mark of this kind of contest, operation chamber of commerce and contest mark person ground of an U.S. dollor talks about an U.S. dollor, the importance of cost is very outstanding. A clear trend is, the mobile phone is developing to two extremes: One is the function is secured relatively, but the low end that is main advantage with the price mobile phone; Another is compositive function more and more high end smartphones. Come round to look from eye, chinese manufacturer in the world the advantage basically expresses low now end in the competition of mobile phone market, because manufacturer of Chinese mobile phone is in,the advantage on high-end brand returns special weakness at present. Regard main goal as the market exit as manufacturers of more and more Chinese mobile phone, plan of their odd chip mobile phone to low cost has a special liking. Be in just about of odd chip plan drive below, the value that exceeds low cost mobile phone falls quickly, exceed low cost mobile phone this year average price or 35-40 dollar, next year may fall to be controlled to 20 dollars, this price and current in low end the power with very greater than having mobile phone, and, produce as the amount that exceeds low mobile phone, odd chip plan more mature, function is more stable also, also increasing at the same time increasing the function that a few mark match upright mobile phone in now, it can be in part of race to control is medium in the future low end mobile phone user, the place of vice-president Dale Ford of positive-appearing image Isuppli says, mobile phone market of future grows each two extremes. It is low end only at present the mobile phone adopts odd chip plan, high-end mobile phone also meets future to develop to compositive odd chip plan, before if we are returned,thinking 10 years, look present exceeding low mobile phone also is machine of a high end! Semiconductor industry proves its lasting and changeless rule in such over and over agains namely: Detached -- compositive -- the depart after increasing more function -- again compositive, we can see more and more semiconductor manufacturers roll out the mobile phone plan of odd chip.

半导体器件正在迅速向更高集成度成长是一个不争的事实，而且性能也会最终超过度手的方案，历史上无数的事实都证实了这种趋向，此刻这个趋向正在手机市场被验证。编纂Steven发文暗示“单芯片手机方案在中国市场前景暗淡”，我则认为单芯片手机方案其实本钱劣势越加较着，市场将在明年井喷。

TI、英飞凌、NXP、高通以及Silicon Labs等公司恰是这场革命的先锋，他们的单芯片手机方案正在被市场所验证。所谓单芯片与多芯片只是一个相对的概念，今朝业界对单芯片手机的共识是将数字基带、模拟基带、收发芯片、部门治理芯片、存储以及大部门接口性能集成在一颗单芯片中，就称之为“单芯片手机”——当然一些射频前端比如PA、滤波器以及部门电源器件仍在里面。

没有做到全数集成，是因为从今朝的半导体工艺来看，这种集成度能实现最好的性价比，也就是说这种集成方案下，用户能享受到的性能不会有折扣，它表现的最大科技前进是将模拟的RFIC经由过程数字工艺措置集成到数字芯片中。它带来的好处众多：外围器件数目减小、设计更简单、PCB层数减小、制造更简单，当然还有随之带来的本钱回升，这也是今朝中国手机厂商最最垂青的好处了。

从今朝各半导体厂商的低端手机方案报价来看，单芯片方案有相当大的劣势。比如用于英飞凌单芯片方案的手机整系统体例造本钱能够达到16美元以下，Silicon Labs也称用于该公司单芯片方案的手机BOM能够降低至16美元，其它单芯片方案手机报价也在18美元摆布。这种价位是今朝分手方案不成能实现的，当然不克不迭排除一些厂商为了抢市场恶意提价，赔钱打压竞争对手的不正常商业行业。

明年巨匠就会看到这种价钱的手机大量上市，但不必然是在中国市场，东欧、南美、亚洲、非洲甚至发家的欧美国家城市呈现超低价手机的用户群，且超低价手机的商业模式根基上会是运营商定制，据悉今朝中国不少手机厂商都在竞标国际运营商的这类单订，且已有获得订单的，正在开足马立设计呢。要知道在这种竞标中，运营商会与竞标者一个美金一个美金地谈，本钱的主要性很是凸起。

一个较着的趋向是，手机正在向两个极端成长：一个是性能相对固定，但以价钱为首要劣势的低端手机；另一个是集成的性能越来越多的高端智妙手机。从今朝来看，中国厂商在国际上的劣势首要表示在低端手机市场的竞争中，因为中国手机厂商在高端品牌上的劣势今朝还很是亏弱。跟着越来越多的中国手机厂商将入口作为主要的方针市场，他们对低本钱的单芯片手机方案情有独钟。

恰是在单芯片方案的敦促下，超低本钱手机的价钱敏捷回升，本年超低本钱手机平均价钱仍是35-40美元，明年可能会降至20美元摆布了，这个价位与今朝的中低端手机比存在很是大的杀伤力，而且，跟着超低价手机的量产，单芯片方案加倍成熟、性能也加倍不乱，同时也在增添越来越多此刻中端手机一些标配的性能，它会在未来抢占部门中低端手机用户，正像isuppli的副总裁Dale Ford所说，未来的手机市场将各两个极端成长。今朝只是低端手机采用单芯片方案，未来高端手机也会向集成的单芯片方案成长，想想看假如咱们回到10年前看此刻的超低价手机也是一款高端机呢！半导体业就是在如许一次又一次地证实它永恒不变的纪律：分手——集成——增添更多性能后分手——再次集成，咱们会看到越来越多的半导体厂商推出单芯片的手机方案。

发布日期：2009-8-4　【返回】