臺灣博碩士論文加值系統

本論文提出一個可攜帶混合式太陽能電池和鋰鐵電池充電、供電
電路。此充電、供電電路不但能提供必v給負載端，也能切換成對鋰
鐵電池充電，以達成不需外接電源就能提供能源給負載和對鋰鐵電池
充電。整個架構包含了太陽能電池輸出端、鋰鐵電池儲能端和經過降
壓電路的輸出端。整個系統架構概念均參考來自於 IEEE 之文獻[2]
所得。
當中的降壓電路使用切換式降壓調節IC LM2576 來完成。透過
偵測太陽能電池端和鋰鐵電池端的電壓值來切換不同的供電模式。充
電模式則是透過手動切換至太陽能電池對鋰鐵電池充電。

This paper presents a portable mixer-power-supply with using PV Solar cell and Lithium Ion battery. This mixer power supply not only can supply the power to the load, also can charge the Li-ion battery without using wall power.
This mixer power supply system is including the PV Solar cell output terminal, Li-ion battery charging terminal and buck converter. Whole system is referenced the paper [2] which come from IEEE.
The buck converter is using the switching buck regulator IC LM2576. In this system, it will detect the PV solar cell voltage and the Li-Ion battery voltage to switching the different mode. Using the manual switch to the Li-Ion battery charging mode.

摘要 i
Abstract ii
目錄 iii
圖目錄 iv
表目錄 x
第一章 緒論 1
1.1 研究動機 1
1.2 研究目的與方法 1
1.3 文獻回顧 2
1.4 論文內容大綱 5
第二章 太陽能電池與鋰鐵電池 6
2.1太陽能電池介紹 6
2.1.1太陽能電池之材料與元件種類 7
2.1.2太陽能電池之原理與等效電路 9
2.2鋰鐵電池之介紹 14
2.2.1鋰鐵電池之特性 14
2.2.2鋰鐵電池之充放電特性 14
2.2.3電池之等效電路模型 15
2.2.4充電方法 18
2.2.5電池殘餘電量之量測 19
第三章 基本架構與設計 21
3.1 電路架構 21
3.2基本電路設計 23
3.2.1降壓電路（Buck Converter） 23
3.2.1.1降壓電路連續導通模式 23
3.2.1.2降壓電路CCM/DCM之邊界條件 29
3.2.1.3降壓電路不連續導通模式 31
3.2.2 鋰鐵電池充電器之限定電流電路 35
3.2.3 PWM回授控制 38
3.2.4 基本OP放大器之應用 42
3.2.4.1 OP放大器之比較器 42
3.2.4.2 OP放大器之遲滯比較器 46
3.2.5 LM2576之基本簡介 49
第四章 硬體設計與實作量測 52
4.1 PCB繪圖軟體Protel之介紹與電路製作 52
4.2.1 繪圖電路圖與製作電路 53
4.2 硬體實作量測 58
4.2.1 PV對USB最大必v2.5W輸出（模式一） 58
4.2.2 電池對USB最大必v2.5W輸出（模式二） 63
4.2.3 電池對USB最大必v2.5W輸出之改善方法 69
4.2.4 PV對電池充電（模式三） 71
第五章 結論與未來展望 73
5.1 結論 73
5.2 未來展望 74
參考文獻 75
作者簡介 80

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