S - spic 中文

spic n.〔美俚〕墨西哥人；拉丁美洲人。

spica
The emerging of smart power integrated circuit ( spic ) is important to increase the system ? reliability and reduce its cost , weight and volume . it enables the design and production of even more miniaturized and smart systems for different applications in the field of automotive , industrial and telecommunication 智能功率集成電路（ spic ）的出現對提高系統的可靠性，降低其成本、重量和體積，實現汽車、工業、通訊等領域中系統的小型化、智能化有著重要的意義。
Major : microelectronics and solid - state electronics topic : research of power factor correction technology for electronic ballast spic ( smart power integrated circuits ) master ? degree candidate : liu yi advisor : prof . chen xingbi in this paper , the research and development on spics are reviewed briefly , and also the power factor correction technology is discussed 本文首先簡要介紹了智能功率集成電路的研究和發展現狀，其次對功率因數校正技術進行了討論，采用cmos電路結構，著重分析有源功率因數校正（ apfc ）技術在電子鎮流器中的應用原理，并對電路部分進行了設計與仿真。
The emerging of smart power integrated circuit ( spic ) is important to increase the system ’ s reliability and reduce cost , weight and volume . it has great meaning to the design and production of even more miniaturized and intellectualized systems for different applications in the field of automobile , industry and telecommunication 智能功率集成電路( spic )的出現對提高系統的可靠性,降低其成本、重量和體積,實現汽車、工業、通訊等領域中系統的小型化、智能化有著重要的意義。
In this thesis , an h - bridge power drive integrated circuit has been analyzed , designed and taped - out . it is a typical spic , which could be widely used in stepper motor drive , position and velocity servomechanism , industrial automaton , various numerical controlled equipments , printers and plotters control and other applications 本文分析、設計了一種廣泛應用于直流電機和步進馬達驅動、位置與速度伺服系統、工業機器人、各種數控設備和打印機和繪圖儀等中的spic電路? ?單片h橋功率驅動集成電路,并對此電路進行了流片。
In this paper , a three phases high - voltage power mos gate drive integrated circuit has been researched and designed successfully . it is a typical spic , which could be widely used in high power motor control and switching power supply applications . the design goal of the circuit are v0ffset ( max ) is 500v , ia ( m ~ ) is 1 a , the highest frequency of operation ( f ( ~ x ) ) is 100khz 本文研制成功了一種可廣泛用于大功率電機控制、開關電源等應用中的spic電路?三相高壓功率mos柵驅動集成電路，其設計指標要求為：最高偏置電壓（ voffset （ max ））為500v 、最大輸出電流（ i _ o （ max ））為1a 、最高工作頻率為100khz 。
It has many advantages including excellent device isolation function , less parasitic effects among different parts , high speed , good radiation toleration , and high integration density , etc . consequently , high voltage soi spic has become a new field of power integrated circuit research 它具有器件隔離性能好、器件間的寄生效應小、電路工作速度高、抗輻射能力強和集成度高等優點。因此基于soi的高壓智能功率集成電路已經成為功率集成電路研究的新領域。
Up to now , the normal control mode for smart power integrated circuit ( spic ) has pwm and pfm . pwm bases on cfvw ( constant frequency variable width ) control pulse , whereas , pfm bases on cwvf ( constant width variable frequency ) control pulse 迄今,智能功率集成電路( spic )習用控制模式為恒頻變寬( cfvw )的脈寬調制模式( pwm )和恒寬變頻( cwvf )的脈頻調制模式( pfm ) 。
The current spic has the functions of under - voltage and over - current checking , which can protect the system by automatically stop working when the system is in trouble until the trouble is eliminated 當前的智能功率集成電路一般都具有欠壓檢測和過流檢測等功能,在系統出現異常時電路會自動停止工作直到故障排除后才恢復正常工作,從而保護系統。
First , the state - of - the - art of spic is presented 。 smart power ic ( spic ) ， which combines the power devices into low - voltage control circuits , drive circuits as well as protection circuits in one chip 智能功率集成電路spic （ smartpoweric ）是一種將功率器件與低壓邏輯控制電路集成及相關的驅動保護電路集成在一塊芯片上的智能化控制芯片。
The work shows that psm converter could improve its efficiency and suppress emi . besides , it processes many advantages , such as good response speed , strong interference rejection , easy to realize , and so on 研究表明psm能有效改善spic開關變換系統的效率和emi特性,且具響應速度快,抗干擾能力強,電路易于實現等特點。
Compared with other ics , the spic integrates a bootstrap diode in it by using the patent of the professor xingbi chen . this can bring us more stability and less cost 與同類芯片相比,該芯片利用陳星弼教授的專利,將一個用于自舉的二極管進行了集成,從而減少了成本,增加了電子鎮流器的可靠性。
So the research on spic is moving on steadily . second , the history of ldmos is presented , and several kinds of ldmos is displayed and discussed . then opt - vld , which was invented by pro 第三章介紹spic的三種常見隔離技術和本次工作中的創新型隔離技術，并給出了模擬結果進行分析。
It is one of trial projects of defensively science laboratory . high voltage soi lateral mos devices studied in this paper are early application work for soi spic 本課題進行高壓soi橫向mos器件的研究，是soispic研究的先期應用性工作，將為今后進行soispic的研究提供基礎。
With the development of technology , it can be expected that spic would be integrated with other circuits into power system on chip ( psoc ) in the future 隨著技術的進步,可以預期在不遠的將來,智能功率集成電路會和其它電路集成在一起,構成psoc ( powersystemonchip ) 。
Pwm converter has low efficiency at light loads and high amplitude harmonic . on the other hand , the control circuit and filter for pfm are much complex Pwm調制模式的spic在輕載下效率較低,控制脈沖諧波峰值較大; pfm控制電路較為復雜,后續濾波器設計困難。
A sort of spic ? pfc ( power factor corrector ) circuit also gradually become a major concern for research along with the concern of power harmonics pollution 智能功率集成電路中的功率校正電路也隨著人們對電源諧波污染的關注而逐漸成為一個重要的研究對象。
Spic ( smart power integrated circuit ) based on new power mos device develop rapidly along with the advancement of micro - electronics technology 隨著微電子技術的進步,以新型功率mos器件為基礎的智能功率集成電路( spic )得到了迅速發展。
Spic can be widely used in various power electronics applications such as electronics ballasts , motor - drivers , power supplies , automotive electronics and so on Spic可廣泛應用于電子鎮流器、馬達驅動、功率電源、汽車電子等領域。
In a word , for the merged power ldmoss , vbr = 400v . for the low side ldmos , vbr = 425v , ron = 0 . 1 . cm2 , ton 30ns ， toff 140ns . r = 6 , for i = 0 . 35a , p 靜態 = 0 . 74w 把該功率器件集成在spic的內部，使spic的效率更高、性能更好、成本更低。

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spic

spic n.〔美俚〕墨西哥人；拉丁美洲人。

spica

Pwm converter has low efficiency at light loads and high amplitude harmonic . on the other hand , the control circuit and filter for pfm are much complex Pwm調制模式的spic在輕載下效率較低,控制脈沖諧波峰值較大; pfm控制電路較為復雜,后續濾波器設計困難。

A sort of spic ? pfc ( power factor corrector ) circuit also gradually become a major concern for research along with the concern of power harmonics pollution 智能功率集成電路中的功率校正電路也隨著人們對電源諧波污染的關注而逐漸成為一個重要的研究對象。

Spic ( smart power integrated circuit ) based on new power mos device develop rapidly along with the advancement of micro - electronics technology 隨著微電子技術的進步,以新型功率mos器件為基礎的智能功率集成電路( spic )得到了迅速發展。

Spic can be widely used in various power electronics applications such as electronics ballasts , motor - drivers , power supplies , automotive electronics and so on Spic可廣泛應用于電子鎮流器、馬達驅動、功率電源、汽車電子等領域。

In a word , for the merged power ldmoss , vbr = 400v . for the low side ldmos , vbr = 425v , ron = 0 . 1 . cm2 , ton 30ns ， toff 140ns . r = 6 , for i = 0 . 35a , p 靜態 = 0 . 74w 把該功率器件集成在spic的內部，使spic的效率更高、性能更好、成本更低。