集成電路封裝與系統(tǒng)測(cè)試

1、集成電路封裝與系統(tǒng)測(cè)試課程實(shí)驗(yàn)報(bào)告電子、集成專業(yè)（20142015學(xué)年第一學(xué)期）課程名稱 集成電路封裝與系統(tǒng)測(cè)試 課程類別 必修 限選 班 級(jí) 學(xué) 號(hào) 姓 名 任課教師 考試日期 目錄一、實(shí)驗(yàn)?zāi)康? 2 -二、實(shí)驗(yàn)原理- 2 -2.1 BC3199集成電路測(cè)試系統(tǒng)簡(jiǎn)介- 2 -2.2測(cè)試電路原理圖- 3 -2.3測(cè)試參數(shù)分析- 3 -2.3.1 測(cè)量輸出電壓Vo- 3 -2.3.2 測(cè)量電源電壓調(diào)整率- 4 -2.3.3 測(cè)量負(fù)載電壓調(diào)整率- 4 -三、實(shí)驗(yàn)設(shè)備- 4 -四、實(shí)驗(yàn)步驟- 4 -4.1 焊制電路板- 4 -4.2 建立LM7805測(cè)試程序- 5 -4.3 測(cè)試數(shù)據(jù)及結(jié)果- 5 -

2、五、實(shí)驗(yàn)結(jié)論- 6 -六、心得體會(huì)- 6 -附錄：- 7 -一、實(shí)驗(yàn)?zāi)康碾S著各種模擬、數(shù)字集成電路的用量越來越大，其質(zhì)量對(duì)整機(jī)的性能和可靠性起著越來越大的作用，因此深入開展集成電路相關(guān)測(cè)試技術(shù)的研究具有重要的意義。本次實(shí)驗(yàn)我們以BC3199測(cè)試系統(tǒng)作為集成電路測(cè)試平臺(tái)，將模擬集成電路LM7805作為測(cè)試對(duì)象，測(cè)試其輸出電壓、電源電壓調(diào)整率和負(fù)載電壓三個(gè)參數(shù)。 二、實(shí)驗(yàn)原理2.1 BC3199集成電路測(cè)試系統(tǒng)簡(jiǎn)介BC3199 測(cè)試系統(tǒng)是一款模擬數(shù)字混合信號(hào)測(cè)試系統(tǒng)，用于測(cè)試電源管理類器件、運(yùn)算放大器、模擬開關(guān)、 DAC/ADC 以及中小規(guī)模數(shù)字電路，適用于工程測(cè)試與量產(chǎn)測(cè)試。 BC3199 集成

3、電路測(cè)試系統(tǒng)分為電源箱與測(cè)試頭兩部分，適配器可以直接安裝到測(cè)試頭引出的測(cè)試插座之上，無需任何測(cè)試連接線，測(cè)試時(shí)通過雙手按壓測(cè)試控制板的兩個(gè)測(cè)試按鈕進(jìn)行測(cè)試。SBC主控計(jì)算機(jī)安裝在機(jī)箱的上部，分體機(jī)外接主計(jì)算機(jī)。PCI 槽上插有一塊專用接口板，用于計(jì)算機(jī)和系統(tǒng)主機(jī)之間數(shù)據(jù)傳輸，此接口板通過 50 線扁平電纜與機(jī)內(nèi)的系統(tǒng)接口板連接。機(jī)內(nèi)有系統(tǒng)接口板、電壓/電流源、電壓測(cè)量及數(shù)據(jù)采集板、時(shí)間測(cè)量單元、交流信號(hào)源、數(shù)字 I/O板等。系統(tǒng)框圖如圖1所示。圖1 BC3199集成電路測(cè)試系統(tǒng)框圖VeritestATE 為BC3199集成電路測(cè)試機(jī)的配套控制軟件，可以對(duì)被測(cè)器件進(jìn)行測(cè)試序列生成、測(cè)試參數(shù)生成以

4、及自動(dòng)測(cè)試，同時(shí)具有設(shè)備校準(zhǔn)與自檢，測(cè)試結(jié)果保存和分析，以及 HANDLER連接等功能。該軟件可以在 Windows XP 系統(tǒng)上運(yùn)行。系統(tǒng)軟件采用與測(cè)試程序分離的編程方法，用戶可以建立單獨(dú)的工程編寫測(cè)試方案的代碼，所生成的動(dòng)態(tài)連接庫可以被系統(tǒng)軟件識(shí)別和運(yùn)行，用戶可以在所生成的工程中調(diào)試這些代碼。 2.2測(cè)試電路原理圖 通過查找資料分析綜合后采用如下電路原理圖圖2 測(cè)試原理圖其中C1=1.03uF，C0=0.1uF2.3測(cè)試參數(shù)分析根據(jù)LM7805的器件參數(shù)文檔，需要器件的測(cè)試參數(shù)如下圖3所示。圖 1 LM7805電氣特性 2.3.1 測(cè)量輸出電壓Vo輸出電壓即為在一定條件下，LM7805輸出

5、端口的電壓值。在代碼中，利用GetVo函數(shù)即可得到不同條件下的Vo值。2.3.2 測(cè)量電源電壓調(diào)整率電源電壓調(diào)整率即為當(dāng)輸入側(cè)電壓從允許輸入的最低值變化到規(guī)定的最大值時(shí)，輸出電壓的相對(duì)變化值占額定輸出電壓的百分比，一般不超過0.1%。在圖2中，通過測(cè)出的輸出電壓Vo值，利用公式：res1 = fabs(Vo2-Vo1);regline =（res1 / 1.25）/ (fabs(Vi2)-fabs(Vi1)）*100;2.3.3 測(cè)量負(fù)載電壓調(diào)整率負(fù)載調(diào)整率來源于電源的輸出電壓因負(fù)載大小的變化（空載到滿載），而電壓調(diào)整率來源于電源在滿載時(shí)，其輸出電壓因該電源的供電電壓波動(dòng)引起的變化。三、實(shí)驗(yàn)設(shè)

6、備BC3199 VC2005四、實(shí)驗(yàn)步驟4.1 焊制電路板焊制后的電路板如下圖：圖4 實(shí)際電路4.2 建立LM7805測(cè)試程序BC3199 測(cè)試程序編寫采用 C+語言對(duì)系統(tǒng)硬件行為進(jìn)行描述。它采用了測(cè)試策略與數(shù)據(jù)分離的設(shè)計(jì)。用戶可以通過測(cè)試程序編寫出所需要的全部或者基本測(cè)試參數(shù)，通過系統(tǒng)軟件界面修改或者輸入數(shù)據(jù)。用戶編寫的測(cè)試程序最終將生成 DLL 動(dòng)態(tài)鏈接庫， 可以使用系統(tǒng)軟件調(diào)用這些測(cè)試程序。測(cè)試代碼見附錄4.3 測(cè)試數(shù)據(jù)及結(jié)果加載以上測(cè)試程序，進(jìn)入以下測(cè)試界面。在連測(cè)狀態(tài)下，BC3199測(cè)試系統(tǒng)可對(duì)測(cè)試結(jié)果進(jìn)行數(shù)據(jù)統(tǒng)計(jì)并生成報(bào)表。經(jīng)測(cè)試，得到某批次LM7805測(cè)試數(shù)據(jù)結(jié)果報(bào)表見表1。序號(hào)

7、Vo (V )Vo 7V (V )Vo 20V (V )Vo 5mA (V )Vo 1A (V )Regline1 (mV )Regline2 (mV )Regload1 (mV )Regload2 (mV )15.01225.01345.00895.01375.01166.951.524.881.8325.01245.01355.00895.01395.01187.061.505.021.8035.01235.01355.00875.01375.01177.331.415.201.8745.01205.01315.00815.01365.01167.501.375.861.7355.0119

8、5.01305.00785.01355.01157.491.235.991.6865.01165.01255.00745.01335.01137.471.296.331.6675.01145.01225.00705.01305.01107.361.276.321.6585.01125.01205.00685.01265.01087.401.396.231.6895.01105.01185.00665.01235.01067.451.386.301.72105.01145.01225.00705.01305.01107.351.366.301.66表 1 實(shí)驗(yàn)測(cè)試數(shù)據(jù)圖5 芯片手冊(cè)數(shù)據(jù)由實(shí)驗(yàn)數(shù)據(jù)

9、可知，當(dāng)輸入條件為5.0mA<Io<1.0A, 7V<Vi<20V，實(shí)驗(yàn)測(cè)得的輸出電壓Vo在5.00665.0139 V范圍內(nèi)，滿足標(biāo)準(zhǔn)數(shù)據(jù)的范圍4.755.2V；Regline1 和Regline2的值分別小于7.50mV和1.52 mV ，遠(yuǎn)小于標(biāo)準(zhǔn)給出的100mV 和50mV的參考值；最后Regload1和Regload2 測(cè)試值分別小于6.33mV和1.87mV，也分別遠(yuǎn)小于標(biāo)準(zhǔn)給出的100mV 和50mV的參考值。五、實(shí)驗(yàn)結(jié)論通過本次測(cè)試，可以確定我們測(cè)得LM7805芯片的輸出電壓、電源電壓調(diào)整率和負(fù)載電壓調(diào)整率三個(gè)參數(shù)要求的，通過相應(yīng)的電路、步驟和測(cè)試原理可

10、以再測(cè)試LM7805芯片其他的參數(shù)，最終判斷其是否為合格產(chǎn)品。附錄：#include "stdafx.h" #include "D:BC3199NEW-VeriTestATETestFilesStdTestConfig.h" ATE_TEST_ITEM_DECLARE(VO); /輸出電壓 ATE_TEST_ITEM_DECLARE(Regline); /電源電壓調(diào)整率 ATE_TEST_ITEM_DECLARE(Regload); /負(fù)載電壓調(diào)整率 void CreateTestItem(void) unsigned int ParameterID =

11、 0; BEGIN(VO, 4.8, 5.2, "V", 4); VO.AddItemCondition("Output Meas(MAX)", V(5.00, "V"), "V"); VO.AddItemCondition("Vi", V(10.00, "V"), "V"); VO.AddItemCondition("VClamp", V(8, "V"), "V"); VO.AddItemCon

12、dition("Io", V(-500, "mA"), "mA"); VO.AddItemCondition("IClamp", V(2000, "mA"), "mA"); VO.AddItemCondition("VsOn_Delay", V(10.0000, "ms"), "ms"); VO.AddItemCondition("DIV", V(200.0, "-"), &q

13、uot;-", 0); VO.AddItemCondition("Num", V(100.0, "-"), "-", 0); MAKE(VO); BEGIN(Regline, 0, 100, "%/V", 2); Regline.AddItemCondition("Output Meas(MAX)", V(5.00, "V"), "V"); Regline.AddItemCondition("Vi1", V(7.0, &quo

14、t;V"), "V"); Regline.AddItemCondition("Vi2", V(25.00, "V"), "V"); Regline.AddItemCondition("VClamp", V(8.00, "V"), "V"); Regline.AddItemCondition("Io", V(-500, "mA"), "mA"); Regline.AddItemCondit

15、ion("IClamp", V(2000, "mA"), "mA"); Regline.AddItemCondition("VsOn_Delay", V(10.0000, "ms"), "ms"); Regline.AddItemCondition("DIV", V(200.0, "-"), "-", 0); Regline.AddItemCondition("Num", V(100.0, &qu

16、ot;-"), "-", 0); MAKE(Regline); BEGIN(Regload,0,100,"mV",2); Regload.AddItemCondition("Output Meas(MAX)", V(5.00, "V"), "V"); Regload.AddItemCondition("Vi",V(10,"V"),"V"); Regload.AddItemCondition("VClamp"

17、, V(8, "V"), "V"); Regload.AddItemCondition("Io1", V(-5, "mA"), "mA"); Regload.AddItemCondition("Io2", V(-1000, "mA"), "mA"); Regload.AddItemCondition("IClamp", V(2000, "mA"), "mA"); Regload

18、.AddItemCondition("VsOn_Delay", V(10.0000, "ms"), "ms"); Regload.AddItemCondition("DIV", V(200.0, "-"), "-", 0); Regload.AddItemCondition("Num", V(100.0, "-"), "-", 0); MAKE(Regload); BEGIN(IQ, 0, 8.0, "mA

19、", 3); IQ.AddItemCondition("Output Meas (MAX)", V(10.00, "V"), "V"); IQ.AddItemCondition("Vi", V(10.00, "V"), "V"); IQ.AddItemCondition("VClamp", V(8, "V"), "V"); IQ.AddItemCondition("Io", V(0, &

20、quot;mA"), "mA"); IQ.AddItemCondition("IClamp", V(1000, "mA"), "mA"); IQ.AddItemCondition("VsOn_Delay", V(10.0000, "ms"), "ms"); IQ.AddItemCondition("DIV", V(200, "-"), "-", 0); IQ.AddItemConditi

21、on("Num", V(100.0, "-"), "-", 0); MAKE(IQ); BEGIN(deltaIQ_deltaI, 0.0, 0.5, "mA", 3); deltaIQ_deltaI.AddItemCondition("Output Meas (MAX)", V(10.00, "V"), "V"); deltaIQ_deltaI.AddItemCondition("Vi", V(10.00, "V"

22、), "V"); deltaIQ_deltaI.AddItemCondition("VClamp", V(8, "V"), "V"); deltaIQ_deltaI.AddItemCondition("Io1", V(-5, "mA"), "mA"); deltaIQ_deltaI.AddItemCondition("Io2", V(-1000, "mA"), "mA"); deltaIQ_del

23、taI.AddItemCondition("IClamp", V(1200, "mA"), "mA"); deltaIQ_deltaI.AddItemCondition("VsOn_Delay", V(10.0000, "ms"), "ms"); deltaIQ_deltaI.AddItemCondition("DIV", V(200, "-"), "-", 0); deltaIQ_deltaI.AddItemCon

24、dition("Num", V(100.0, "-"), "-", 0); MAKE(deltaIQ_deltaI); BEGIN(deltaIQ_deltaV, 0.0, 1.3, "mA", 3); deltaIQ_deltaV.AddItemCondition("Output Meas (MAX)", V(10.00, "V"), "V"); deltaIQ_deltaV.AddItemCondition("Vi1", V(7.0

25、0, "V"), "V"); deltaIQ_deltaV.AddItemCondition("Vi2", V(25.00, "V"), "V"); deltaIQ_deltaV.AddItemCondition("VClamp", V(8, "V"), "V"); deltaIQ_deltaV.AddItemCondition("Io", V(-500, "mA"), "mA"

26、;); deltaIQ_deltaV.AddItemCondition("IClamp", V(1000, "mA"), "mA"); deltaIQ_deltaV.AddItemCondition("VsOn_Delay", V(10.0000, "ms"), "ms"); deltaIQ_deltaV.AddItemCondition("DIV", V(200, "-"), "-", 0); deltaIQ_de

27、ltaV.AddItemCondition("Num", V(100.0, "-"), "-", 0); MAKE(deltaIQ_deltaV); BEGIN(VDrop, 0.0, 2.5, "V", 3); VDrop.AddItemCondition("Output Meas (MAX)", V(8.00, "V"), "V"); VDrop.AddItemCondition("Vi_begin", V(10.00, "

28、;V"), "V"); VDrop.AddItemCondition("Vi_end", V(6.00, "V"), "V"); VDrop.AddItemCondition("VFail", V(4.75, "V"), "V"); VDrop.AddItemCondition("Step", V(0.1, "V"), "V"); VDrop.AddItemCondition("

29、;VClamp", V(8, "V"), "V"); VDrop.AddItemCondition("Io", V(-1000, "mA"), "mA"); VDrop.AddItemCondition("IClamp", V(1500, "mA"), "mA"); VDrop.AddItemCondition("VsOn_Delay", V(10.0000, "ms"), "

30、ms"); VDrop.AddItemCondition("DIV", V(10.0, "-"), "-", 0); VDrop.AddItemCondition("Num", V(10.0, "-"), "-", 0); MAKE(VDrop); BEGIN(RR, 62, 100, "dB", 1); RR.AddItemCondition("Freq", V(100, "Hz"), "Hz&

31、quot;); RR.AddItemCondition("VL", V(8, "V"), "V"); RR.AddItemCondition("VH", V(18, "V"), "V"); RR.AddItemCondition("VClamp", V(8, "V"), "V"); RR.AddItemCondition("Io", V(-500, "mA"), "m

32、A"); RR.AddItemCondition("IClamp", V(1500, "mA"), "mA"); RR.AddItemCondition("ACMRange", V(2, "-"), "-",0); RR.AddItemCondition("VsOn_Delay", V(10.0000, "ms"), "ms"); MAKE(RR); float GetVO(float VoutMax, f

33、loat Vi, float VClamp, float Io, float IClamp, float VsOn_Delay, unsigned USING_RESULT(res); /所有繼電器關(guān) pDrv->OpenAllCBits(); pDrv->Delay(5); /根據(jù)判據(jù)判斷量程 if(VoutMax < 2.00) pDrv->SetMeasureChannel(BMV0, VM_2V); else if(VoutMax < 5.00) pDrv->SetMeasureChannel(BMV0, VM_5V); else if(VoutMax < 10.00) pDrv->SetMeasureChannel(BMV0, VM_10V); else if(VoutMax < 20.00) pDrv->SetMeasureChannel(BMV0, VM_20V); else if(VoutMax < 50.00) pDrv->SetMeasureChannel(BMV0, VM_50V); /輸入電壓設(shè)置, 判斷箝位量程 PVI_CURRENT_RANGE irange = PVI20UA; if(IClamp < 0