講義說(shuō)明教案cn

1、數(shù)_增強(qiáng)型電源模數(shù)_增強(qiáng)型電源模擬 2013 Microchip Technology Incorporated 2C14L08 第 4在電源轉(zhuǎn)換控制中數(shù)_控在電源轉(zhuǎn)換控制中數(shù)_控驅(qū)動(dòng)驅(qū)動(dòng)比較放大工作設(shè)定點(diǎn)V轉(zhuǎn)換控制模擬=控比較數(shù)_=控 2013 Microchip Technology I2C14L08 第 5在電源轉(zhuǎn)換控制中電源轉(zhuǎn)換解驅(qū)動(dòng)在電源轉(zhuǎn)換控制中電源轉(zhuǎn)換解驅(qū)動(dòng)驅(qū)動(dòng)比較放大工作設(shè)定點(diǎn)V轉(zhuǎn)換控制模擬=控比較數(shù)_=控 2013 Microchip Technology I2C14L08 第 6在電源轉(zhuǎn)換控制中數(shù)控?？啬M+在電源轉(zhuǎn)換控制中數(shù)控模控模擬+數(shù)驅(qū)動(dòng)驅(qū)動(dòng)比較放大工作設(shè)定點(diǎn)V轉(zhuǎn)換控

2、制模擬=控比較數(shù)_=控 2013 Microchip Technology I2C14L08 第 7在電源轉(zhuǎn)換控制中數(shù)控?？卦陔娫崔D(zhuǎn)換控制中數(shù)控?？仳?qū)動(dòng)驅(qū)動(dòng)比較放大工作設(shè)定點(diǎn)V轉(zhuǎn)換控制模擬=控比較數(shù)_=控 2013 Microchip Technology I2C14L08 第 8在電源轉(zhuǎn)換控制中數(shù)控?？卦陔娫崔D(zhuǎn)換控制中數(shù)控?？仳?qū)動(dòng)補(bǔ)償數(shù)_=控 電感電流檢O降低系統(tǒng)效需要時(shí)可使用檢測(cè)電LPRS-如果L/RL = RS*CS如果L/RL Ts發(fā)VCS 2013 Microchip Technology I2C14L08 14POL電如果(RPOL電如果(RS*CS)(L/RL)，則可VCS益RS

3、*CS大10 2013 Microchip Technology I2C14L08 15- 2013 Microchip Technology I2C14L08 16- 2013 Microchip Technology I2C14L08 16- 2013 Microchip Technology I2C14L08 17- 2013 Microchip Technology I2C14L08 17=有氣=有氣流的條件=100kH12輸出電精確和死補(bǔ)電流檢測(cè)增 2013 Microchip Technology I2C14L08 18MCP19111負(fù)載MCP19111負(fù)載 2013 Micro

4、chip Technology I2C14L08 19擴(kuò)展VOUTL-+VSEN和-ISEN可以是一節(jié)x有k確的PCB布 2013 Microchip Technology I擴(kuò)展VOUTL-+VSEN和-ISEN可以是一節(jié)x有k確的PCB布 2013 Microchip Technology I2C14L08 20 2013 Microchip Technology I2C14L08 21驅(qū)動(dòng)高率LED應(yīng)驅(qū)動(dòng)高率LED應(yīng) 2013 Microchip Technology Incorporated 2C14L08 22LED優(yōu)LED優(yōu) 2013 Microchip Technology I2

5、C14L08 23率LED的設(shè) 率LED的設(shè) 2013 Microchip Technology Incorporated 2C14L08 241恒流驅(qū) 20131恒流驅(qū) 2013 Microchip Technology Incorporated 2C14L08 25為什NLED需要O高效的保護(hù)和為什NLED需要O高效的保護(hù)和降P檢測(cè)電 2013 Microchip Technology I2C14L08 26電阻驅(qū)電范02電阻驅(qū)動(dòng)是廉且簡(jiǎn)單的選項(xiàng)，但是：電阻驅(qū)電范02電阻驅(qū)動(dòng)是廉且簡(jiǎn)單的選項(xiàng)，但是：345無(wú)法精確控制光輸出系統(tǒng)效率低VF選擇和電阻匹配將增加成本 2013 Microchip

6、 Technology I2C14L08 27為什么采用驅(qū)動(dòng)器期望的正向電壓變化固電0234為什么采用驅(qū)動(dòng)器期望的正向電壓變化固電02345LED為二光輸出取決于電流強(qiáng)度正向電壓因器而異，并且隨電流變化恒流PSU是最合適的驅(qū)動(dòng)器 2013 Microchip Technology I2C14L08 28正向電流CREEXM-LCREEXM-L 2013 Microchip Technology I2C14L08 292溫 2013 Microchip2溫 2013 Microchip Technology Incorporated 2C14L08 30熱特發(fā)熱會(huì)減少光輸發(fā)熱特發(fā)熱會(huì)減少光輸發(fā)熱

7、會(huì)使波長(zhǎng)或CCT發(fā)生偏發(fā)熱會(huì)影響k向電壓降低發(fā)熱會(huì)減少使超出Tj最大值可能導(dǎo)損 2013 Microchip Technology I2C14L08 31w他示0綠色1白色紅色1紅橙色Vf -2mV/l向電壓紅藍(lán)藍(lán)綠青白0結(jié)溫TJ 2013 Microchip Technology I2C14L08 32l向電流w他示0綠色1白色紅色1紅橙色Vf -2mV/l向電壓紅藍(lán)藍(lán)綠青白0結(jié)溫TJ 2013 Microchip Technology I2C14L08 32l向電流相對(duì)強(qiáng)熱輻射44傳統(tǒng)照明熱輻射44傳統(tǒng)照明光和熱 2013 Microchip Technology I2C14L08 33所

8、有熱量必須通過(guò)接觸傳遞2陣列旁邊放置邏輸出溫度傳感器如MCP9700根據(jù)LED溫度調(diào)整輸出電 2013 Microchip Technology I2C14L08 34熱管理需還熱管理需還 2013 Microchip Technology I2C14L08 35CREEXM-LCREEXM-L 2013 Microchip Technology I2C14L08 363調(diào) 2013 Microchip3調(diào) 2013 Microchip Technology Incorporated 2C14L08 37 2013 Microchip Technology I2C14L08 38固定100 k

9、Hz1 200 Hz1.2 頻率調(diào) 2013 Microchip Technology I2C14L08 39固定100 kHz1 200 Hz1.2 頻率調(diào) 2013 Microchip Technology I2C14L08 39- 通用調(diào)光技術(shù)斬輸100 kHz1 注有影 2013 Microchip Technology I- 通用調(diào)光技術(shù)斬輸100 kHz1 注有影 2013 Microchip Technology I2C14L08 40調(diào)光增強(qiáng)斬輸100 kHz1 2013 Microchip Technology I2C14L08 41調(diào)光增強(qiáng)斬輸100 kHz1 2013 M

10、icrochip Technology I2C14L08 414了解V 4了解V 2013 Microchip Technology Incorporated 2C14L08 42白色不一定白色不一定是白分檔問(wèn) 2013 Microchip Technology I2C14L08 43V檔44本原人眼非常敏感，因m即V檔44本原人眼非常敏感，因m即波長(zhǎng)1熒光粉層度1濃度1rV和/或沉積藍(lán)色 2013 Microchip Technology I2C14L08 44V色溫檔通過(guò)CIE 1931色度圖V色溫檔通過(guò)CIE 1931色度圖N的 (x,y) 坐標(biāo)定CIE 1931Lithonia 201

11、3 Microchip Technology I2C14L08 45V檔支LED板斷開(kāi)=V檔支LED板斷開(kāi)=可選 2013 Microchip Technology I2C14L08 465為L(zhǎng)ED增通 20135為L(zhǎng)ED增通 2013 Microchip Technology Incorporated 2C14L08 47通MCP19111支通MCP19111支w0-USBZigBee1RF4CE和MiWi協(xié) 2013 Microchip Technology I2C14L08 48兩個(gè)串聯(lián)LED 2013 兩個(gè)串聯(lián)LED 2013 Microchip Technology Incorpor

12、ated 2C14L08 49框MCP19111, er同nogControlerV8-峰值電流 平均電流 2013 Microchip Technology I2C14L08 50框MCP19111, er同nogControlerV8-峰值電流 平均電流 2013 Microchip Technology I2C14L08 50建立控制系建立控制系藍(lán)線轉(zhuǎn)換為特性綠線一階系統(tǒng)電流模式控制O的降壓轉(zhuǎn)換器 2013 Microchip Technology I2C14L08 51驗(yàn)證一階系統(tǒng)的轉(zhuǎn)換器穩(wěn)定峰值電流模式控制驗(yàn)證一階系統(tǒng)的轉(zhuǎn)換器穩(wěn)定峰值電流模式控制!可通過(guò)MCP19111來(lái)完r補(bǔ)償設(shè)

13、2013 Microchip Technology I2C14L08 52 2013 Microchip Technology I2C14L08 53 2013 Microchip Technology I2C14L08 53 2013 Microchip Technology I2C14L08 54 2013 Microchip Technology I2C14L08 54檢測(cè) +開(kāi) 2013 Microchip Technology I2C14L08 55檢測(cè) +開(kāi) 2013 Microchip Technology I2C14L08 55調(diào)光增強(qiáng)斬輸100 kHz1 2013 Micro

14、chip Technology I2C14L08 56調(diào)光增強(qiáng)斬輸100 kHz1 2013 Microchip Technology I2C14L08 56+用于W換頻率的測(cè)試引 2013 Microchip Technology I2C14L08 57 2013 Microchip Technology I2C14L08 58 2013 Microchip 2013 Microchip Technology Incorporated 2C14L08 59O制造商的產(chǎn)品x有O的充電 2013 Microchip Technology I2C14L08 60鎳鎘/鎳氫電池充電算充充終-鎳鎘/鎳

15、氫電池充電算充充終-000C14L08 2013 Microchip Technology I261充充充終充充充終000 2013 Microchip Technology I2C14L08 62交流信號(hào) 非常小 2013 Microchip Technology I2C14L08 63交流信號(hào) 非常小 2013 Microchip Technology I2C14L08 63- 2013 Microchip Technology I2C14L08 64- 2013 Microchip Technology I2C14L08 64- 2013 Microchip Technology I2C

16、14L08 65- 2013 Microchip Technology I2C14L08 651-4鎳氫1鎳鎘和1-4鎳氫1鎳鎘和鉛= 2013 Microchip Technology I2C14L08 66MCP19111電池充電MCP19111電池充電 2013 Microchip Technology I2C14L08 67總 2013 Microchip總 2013 Microchip Technology Incorporated 2C14L08 68總數(shù)_增強(qiáng)型電源總數(shù)_增強(qiáng)型電源模 2013 Microchip Technology I2C14L08 69：1免是在頭文件或文本

17、文件中公告的某些組件仍可能被開(kāi)源覆蓋，w中包括要求分發(fā)者提：1免是在頭文件或文本文件中公告的某些組件仍可能被開(kāi)源覆蓋，w中包括要求分發(fā)者提Mr的或第O方可能提供的MICROCHIPO承的保證，無(wú)論是明示的1暗示的或法定的，包括有性1適銷(xiāo)性和特定用途的暗示保證2在任何情況Q，于PMICROCHIP或w他第方提供的材料或隨附信息有關(guān)的任何直接或間接的1特殊的1懲罰性的1偶然的或間接的損失1損害或任何類(lèi)型的開(kāi)銷(xiāo)，MICROCHIP概O承擔(dān)任何責(zé)任，即使已Microchip的稱(chēng)和徽標(biāo)組合1Microchip徽標(biāo)1sI1FaFeKEEOQKEEOQ徽標(biāo)MLBIImrICTA1I3徽標(biāo)fI1SSS徽標(biāo)SuperFlash和UNI/O均Microchip Technology Incorporatedtrr- mtrM 商標(biāo)SiliconStorageTechnology是MicrochipTechnologyInc.外的w他國(guó)家或地區(qū)og-for-the-Digitalt1chpI1chpIT徽標(biāo)GrIMIM.IrOOOIO-IIrrrmgIMMW1M1MMBMIMImOmniscient