本文關(guān)鍵詞：便攜式軟件無線電平臺(tái)電源管理技術(shù)研究與實(shí)現(xiàn)　出處：《電子科技大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 便攜式平臺(tái) IBA架構(gòu) AVP抗瞬態(tài)POL 低功耗電源管理

【摘要】：隨著便攜式軟件無線電平臺(tái)功能不斷地豐富和性能指標(biāo)不斷地提高,小體積、高密度、高效電源管理方案成為平臺(tái)電源系統(tǒng)的研究重點(diǎn)。目前,高速發(fā)展的半導(dǎo)體技術(shù)以及便攜式軟件無線電平臺(tái)的高度集成設(shè)計(jì)現(xiàn)狀,為電源管理子系統(tǒng)提出了新的要求:(1)大規(guī)模微處理器需要低電壓、大電流、良好的瞬態(tài)響應(yīng)性能的電源供電;(2)寬頻帶、高速率、遠(yuǎn)距離的無線通信系統(tǒng)的收發(fā)端的功耗越來越大;(3)高可靠性、高模塊密度需求成為小體積平臺(tái)高效電源管理設(shè)計(jì)的難點(diǎn)。為此,論文針對便攜式軟件無線電平臺(tái)電源管理技術(shù)進(jìn)行了研究,主要包括:第一,針對便攜式軟件無線電平臺(tái)構(gòu)成,設(shè)計(jì)了IBA平臺(tái)電源架構(gòu);立足于高性能微處理器的供電需求,重點(diǎn)分析了負(fù)載點(diǎn)電源(POL)主電路、POL瞬態(tài)響應(yīng)的主要相關(guān)因素以及AVP抗瞬態(tài)控制環(huán)路,并利用MATLAB對影響電路瞬態(tài)響應(yīng)的主要參數(shù)進(jìn)行了估算。第二,結(jié)合平臺(tái)的應(yīng)用場景以及各板卡的電源需求,設(shè)計(jì)了平臺(tái)電源軟硬件管理策略,確定了平臺(tái)電源管理電路關(guān)鍵芯片的型號;量化了平臺(tái)電源瞬態(tài)響應(yīng)指標(biāo)需求,設(shè)計(jì)并完成了AVP抗瞬態(tài)控制POL電源的Pspice電路仿真。結(jié)果表明該電路的瞬態(tài)響應(yīng)電壓變化范圍在2%以內(nèi)。第三,實(shí)現(xiàn)了平臺(tái)電源管理硬件電路及低功耗電源管理方案;對POL電源的功能指標(biāo)、性能指標(biāo)、平臺(tái)模式功耗進(jìn)行了測試與分析。測試結(jié)果表明POL電源狀態(tài)、信號時(shí)序、紋波、瞬態(tài)響應(yīng)均滿足需求;在8.4V/5000mA的電池容量下,內(nèi)嵌電源管理策略的平臺(tái),較無管理策略的平臺(tái):平均效率提升比可達(dá)41.38%,工作時(shí)間最少可延長1.12小時(shí)。論文為便攜式平臺(tái)的電源管理方案提供了解決思路和實(shí)際驗(yàn)證,具有一定程度的通用性和實(shí)用性,可應(yīng)用于部分便攜式平臺(tái)或手持式終端。
[Abstract]:With the continuous enrichment of the portable software radio platform and the continuous improvement of performance indicators, small volume, high density, high efficiency power management has become the focus of the platform power system research. With the rapid development of semiconductor technology and the highly integrated design of portable software radio platform, a new requirement for power management subsystem is put forward: (1) Large-scale microprocessors require low voltage and high current. Good transient response performance of power supply; (2) the power consumption of wireless communication system with wide band, high speed and long distance is more and more high. The requirement of high reliability and high module density has become a difficult point in the design of high efficiency power supply management for small scale platform. Therefore, the power management technology of portable software radio platform is studied in this paper. The main contents are as follows: first, the IBA platform power supply architecture is designed for the portable software radio platform. Based on the power supply requirement of high performance microprocessor, the main factors related to the transient response of the main circuit of the load point power supply (Pol) and the anti-transient control loop of AVP are analyzed. The main parameters that affect the transient response of the circuit are estimated by using MATLAB. Secondly, combining the application scenario of the platform and the power demand of each board card, the software and hardware management strategy of the platform power supply is designed. The model of the key chip of the platform power management circuit is determined. The requirement of transient response index of platform power supply is quantified. Design and complete the Pspice circuit simulation of AVP anti-transient control POL power supply. The results show that the transient response voltage range of the circuit is less than 2%. Third. The hardware circuit of platform power management and the scheme of low power consumption power management are realized. The function index, performance index and platform mode power consumption of POL power supply are tested and analyzed. The test results show that the state of POL power supply, signal timing, ripple and transient response all meet the demand. Under the battery capacity of 8.4 V / 5 000mA, the platform with embedded power management strategy is more efficient than the platform without management strategy: the average efficiency improvement ratio can reach 41.38%. The working time can be extended at least 1.12 hours. The paper provides a solution and practical verification for the power management scheme of portable platform, which has a certain degree of versatility and practicability. Can be used in some portable platforms or handheld terminals.
【學(xué)位授予單位】：電子科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TN014;TN86

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本文編號：1426063