Takardar Bayani na Fasaha na LTW-C19DZDS5-NB SMD LED - InGaN Fari Chip - 10mA - 36mW - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTW-C19DZDS5-NB fitilar LED ce mai hadawa ta saman (SMD) wacce aka tsara don aikace-aikacen lantarki na zamani da ke bukatar rage girma da dogaro mai girma. Tana cikin dangin kayan aikin da aka tsara musamman don tsarin hadawa na atomatik na allon da'ira (PCB), wanda ya sa ta dace sosai don samarwa mai yawa. Girman ta mai kankanta ya biya bukatun zane-zane masu matsanancin sarari da suka yadu a cikin na'urorin lantarki masu ɗauka da na haɗe a yau.

1.1 Fa'idodi da Siffofi na Asali

Wannan LED tana ba da fa'idodi masu mahimmanci da yawa waɗanda ke ba da gudummawa ga yaduwar aikace-aikacenta. Tana bin cikakken ƙa'idar Ƙuntata Abubuwa masu haɗari (RoHS), ta tabbatar da cewa ta cika ka'idojin muhalli na duniya. Na'urar tana amfani da kayan Indium Gallium Nitride (InGaN) mai haske sosai don samar da haske fari, tana ba da ingantaccen haske. Kunshin ta ya dace da tsarin EIA na masana'antu, yana sauƙaƙe haɗawa cikin ɗakunan ajiya na zane da layukan hadawa. Bugu da ƙari, an tsara ta don dacewa da hanyoyin siyar da guduro na infrared (IR), wanda shine ma'auni don haɗa fasahar hadawa ta saman. Ana ba da kayan aikin akan tef mai nisan milimita 8 da aka ɗora akan reels masu diamita inci 7, wanda shine daidaitaccen kunshin don kayan aikin ɗauka da sanyawa na atomatik.

1.2 Kasuwa da Aikace-aikace da Ake Nufi

Yawan amfani da wannan SMD LED ya sa ta dace da nau'ikan kayan aikin lantarki da yawa. Manyan wuraren aikace-aikace sun haɗa da na'urorin sadarwa kamar wayoyin mara igiya da wayoyin hannu, dandamali na kwamfuta kamar kwamfutocin tebur, da tsarin kayayyakin sadarwa. Hakanan ana amfani da ita a cikin kayan aikin gida da na lantarki daban-daban don nuna matsayi da hasken baya. Takamaiman amfanin aiki ya haɗa da hasken baya na madannai ko madannai, alamun matsayi da wutar lantarki, hasken ƙananan nuni, da fitilu na gabaɗaya na sigina ko alama a cikin saitunan cikin gida.

2. Girman Kunshi da Cikakkun Bayanai na Injiniya

LED tana da ruwan tabarau mai rawaya tare da hular baki. An ba da cikakkun ma'auni na injiniya a cikin zane-zanen takardar bayani na asali, tare da duk ma'aunin da aka ƙayyade a cikin milimita. Matsakaicin jurewar waɗannan ma'auni shine ±0.1 mm sai dai idan an nuna akasin haka akan zanen. Wannan matakin daidaito yana tabbatar da daidaitaccen sanyawa da siyarwa yayin hadawa ta atomatik. An tsara kunshin a matsayin chip LED mai siriri sosai, yana ba da gudummawa ga ƙarancin bayyanar samfuran ƙarshe.

3. Ma'auni na Fasaha: Cikakken Fassarar Manufa

An ƙayyade duk ƙima da halaye a yanayin zafin yanayi (Ta) na 25°C, wanda shine daidaitaccen yanayin tunani don gwajin na'urar semiconductor.

3.1 Matsakaicin Matsakaicin Ƙimar

Waɗannan ƙimar suna ayyana iyakokin damuwa waɗanda sama da su lalacewar dindindin na na'urar na iya faruwa. Ba a nufin ci gaba da aiki ba. Matsakaicin matsakaicin ƙimar LTW-C19DZDS5-NB shine kamar haka: Matsakaicin raguwar wutar lantarki shine milliwatts 36 (mW). Matsakaicin halin yanzu na gaba, lokacin da aka buga shi tare da zagayowar aiki 1/10 da faɗin bugun jini na 0.1ms, bai kamata ya wuce 50 mA ba. Matsakaicin ci gaba da DC na gaba shine 10 mA. Na'urar na iya jure matakin fitar da tashin hankali (ESD) na Volts 2000 ta amfani da Tsarin Jikin Mutum (HBM). Matsakaicin kewayon zafin aiki daga -20°C zuwa +80°C, yayin da kewayon zafin ajiya ya fi fadi, daga -40°C zuwa +85°C. Bangaren zai iya jure yanayin siyar da infrared tare da matsakaicin zafin jiki na 260°C na matsakaicin dakika 10.

3.2 Shawarar Tsarin IR Reflow don Tsarin Ba tare da Gubar ba

An ba da shawarar bayanin martaba na siyar da reflow don tabbatar da haɗin gwiwa masu dogaro ba tare da lalata LED ba. Bayanin martaba yawanci ya haɗa da matakin riga-kafi, jiƙa zafi, yankin reflow tare da sarrafa matsakaicin zafin jiki, da lokacin sanyaya. Bin wannan bayanin martaba, musamman matsakaicin matsakaicin zafin jiki na 260°C da lokacin sama da ruwa, yana da mahimmanci don kiyaye ingancin na'urar da dogon lokacin dogaro.

3.3 Halayen Lantarki da Na Gani

Waɗannan sigogi suna ayyana aikin yau da kullun na LED a ƙarƙashin yanayin aiki na al'ada. Ƙarfin haske (Iv) ya bambanta daga mafi ƙanƙanta na millicandelas 18.0 (mcd) zuwa matsakaicin 45.0 mcd lokacin da aka motsa shi a halin yanzu na gaba (IF) na 5 mA. Kallon kusurwa (2θ1/2), wanda aka ayyana shi azaman kusurwar da ƙarfin ya ragu zuwa rabin ƙimar kololuwar sa, shine digiri 50. Daidaitattun daidaitawar launi akan zanen CIE 1931 yawanci x=0.270 da y=0.260 a 5mA. Ƙarfin lantarki na gaba (VF) ya bambanta daga 2.40V (m) zuwa 3.20V (max), tare da ƙimar yau da kullun na 2.70V a IF=5mA. An ƙayyade juzu'in juzu'i (IR) a matsakaicin microamperes 10 (µA) lokacin da aka yi amfani da juzu'in juzu'i (VR) na 5V. Yana da mahimmanci a lura cewa wannan yanayin juzu'in juzu'i don dalilai na gwaji ne kawai; ba a tsara LED don aiki a cikin juzu'in juzu'i ba.

4. Bayanin Tsarin Bin Rank

Don tabbatar da daidaito a cikin samarwa, ana rarraba LED zuwa kwandon aiki bisa mahimman sigogi. Wannan yana ba masu zane damar zaɓar abubuwan da suka dace da takamaiman buƙatun aikace-aikacensu.

4.1 Matsayin Ƙarfin Lantarki na Gaba (VF)

Ana rarraba LED bisa ga raguwar ƙarfin lantarki na gaba a gwajin na 5mA. Lambobin kwandon da kewayon ƙarfin lantarki masu dacewa su ne: A10 (2.40V - 2.60V), A11 (2.60V - 2.80V), B10 (2.80V - 3.00V), da B11 (3.00V - 3.20V). Ana amfani da jurewar ±0.1V ga kowane kwandon.

4.2 Matsayin Ƙarfin Hasken (IV)

Ana rarraba abubuwan bisa ga fitowar haske a 5mA. Kwandon da aka ayyana su ne: M (18.0 mcd - 28.0 mcd) da N (28.0 mcd - 45.0 mcd). Jurewar ±15% ya shafi kowane kwandon ƙarfin haske.

4.3 Matsayin Hue (Chromaticity)

Matsayin launi, wanda CIE 1931 (x, y) daidaitawa ya ayyana, shima ana rarraba shi don sarrafa daidaiton launi. Takardar bayani tana ayyana kwandon hue da yawa (misali, C01, C1, C2) tare da takamaiman iyakoki na daidaitawa waɗanda ke samar da quadrilaterals akan zanen chromaticity. Ana amfani da jurewar ±0.01 ga kowane daidaitawa a cikin kwandon.

5. Bincike na Lanƙwasa Aiki

Takardar bayani ta asali ta haɗa da lanƙwasa halaye na yau da kullun waɗanda ke ba da haske mai mahimmanci game da halayen na'urar a ƙarƙashin yanayi daban-daban. Waɗannan lanƙwasa yawanci suna nuna alaƙar da ke tsakanin ƙarfin lantarki na gaba da halin yanzu na gaba (lanƙwasa IV), suna nuna yanayin diode na ma'auni. Hakanan suna iya nuna bambancin ƙarfin haske tare da halin yanzu na gaba, da dogaron ƙarfin lantarki na gaba akan yanayin zafi. Binciken waɗannan lanƙwasa yana taimaka wa masu zane su fahimci ciniki; misali, tuƙi LED a mafi girma halin yanzu yana ƙara fitowar haske amma kuma yana ƙara raguwar wutar lantarki da zafin haɗuwa, wanda zai iya shafar tsawon rai da canjin launi.

6. Jagororin Injiniya, Hadawa, da Gudanarwa

6.1 Shawarar Tsarin Kafet ɗin PCB

An ba da shawarar tsarin ƙasa (sawu) don PCB don tabbatar da ingantaccen samuwar fillet ɗin siyarwa da kwanciyar hankali na injiniya. Bin wannan shawarar yana da mahimmanci don cimma haɗin gwiwa masu dogaro yayin reflow.

6.2 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan siyarwa, kawai ya kamata a yi amfani da takamaiman sinadarai. Takardar bayani ta ba da shawarar nutsar da cikin barasa na ethyl ko isopropyl a yanayin zafi na al'ada na ƙasa da minti ɗaya. Amfani da ruwayen sinadarai da ba a ƙayyade ba na iya lalata kunshin LED.

6.3 Yanayin Ajiya

Ingantaccen ajiya yana da mahimmanci don hana shan danshi, wanda zai iya haifar da "popcorning" (fashewar kunshin) yayin siyar da reflow. Lokacin da aka rufe jakar shinge mai hana danshi, ya kamata a adana LED a ≤ 30°C da ≤ 90% Danshi Dangi (RH), tare da lokacin amfani da shi na shekara guda da aka ba da shawarar. Da zarar an buɗe kunshin asali, yanayin ajiya bai kamata ya wuce 30°C ko 60% RH ba. Don abubuwan da aka cire daga kunshinsu na asali (Matsakaicin Hankan Danshi 3, MSL 3), ana ba da shawarar kammala reflow na IR cikin mako guda. Don ajiya mai tsawo a waje da jakar asali, ya kamata a adana su a cikin akwati mai rufi tare da desiccant. Idan an adana fiye da mako guda, ana buƙatar gasa a kusan 60°C na aƙalla sa'o'i 20 kafin siyarwa.

6.4 Umarnin Siyarwa

Don siyar da reflow, bayanin martaba tare da zafin jiki na riga-kafi na 150-200°C, lokacin riga-kafi har zuwa dakika 120, matsakaicin zafin jiki bai wuce 260°C ba, da lokacin a kololuwa har zuwa dakika 10 (matsakaicin zagayowar reflow guda biyu) ana ba da shawarar. Don siyar da hannu da ƙarfe, zafin ƙarshen bai kamata ya wuce 300°C ba, kuma lokacin tuntuɓar ya kamata a iyakance zuwa dakika 3 matsakaicin (sau ɗaya kawai).

7. Bayanin Kunshi da Oda

Kunshin daidaitaccen ya ƙunshi LED da aka sanya a cikin tef ɗin ɗaukar kaya mai faɗin milimita 8. An naɗe wannan tef ɗin akan daidaitaccen reel mai diamita inci 7 (178mm). Kowane cikakken reel yana ɗauke da guda 4000. Don adadin ƙasa da cikakken reel, mafi ƙarancin adadin shiryawa na guda 500 ya shafi ragowar kuri'a. Kunshin yana bin cikakkun bayanai na ANSI/EIA 481. Tef ɗin yana amfani da tef ɗin rufi don rufe aljihun abubuwan da ba kowa, kuma matsakaicin adadin fitilu da ba a samu ba a kan reel shine biyu.

8. Shawarwari na Aikace-aikace da La'akari da Zane

8.1 Da'irori na Aikace-aikace na Yau da Kullun

A cikin aikace-aikace na yau da kullun, ana tuƙi LED ta hanyar tushen halin yanzu na akai-akai ko ta hanyar resistor mai iyakancewa wanda aka haɗa a jere tare da wadata wutar lantarki. Ƙimar resistor mai iyakancewa (R) za a iya ƙididdige ta ta amfani da Dokar Ohm: R = (V_supply - VF_LED) / IF, inda VF_LED shine ƙarfin lantarki na gaba na LED a halin yanzu da ake so IF. Yin amfani da matsakaicin VF daga takardar bayani a cikin wannan lissafin yana tabbatar da cewa halin yanzu bai wuce iyaka ba ko da tare da bambancin ɓangare zuwa ɓangare.

8.2 La'akari da Zane

Tuƙi na Yanzu:Aiki da LED a ko ƙasa da shawarar 10mA DC halin yanzu na gaba yana da mahimmanci don dogaro. Wuce matsakaicin matsakaicin ƙimar, ko da ta ɗan lokaci, na iya rage girman kayan semiconductor da rage tsawon rai.Gudanar da Zafi:Duk da cewa raguwar wutar lantarki yana da ƙasa, tabbatar da isasshen yankin tagulla na PCB a kusa da kafet ɗin siyarwa na iya taimakawa wajen tarwatsa zafi, musamman a cikin yanayin zafi mai girma na yanayi ko lokacin da aka sanya LED da yawa a kusa.Kariya ta ESD:Ko da yake na'urar tana da ƙimar ESD na HBM na 2000V, yakamata a koyi matakan kula da ESD na yau da kullun (bel ɗin wuyan hannu, tashoshin aiki na ƙasa) yayin hadawa da gudanarwa don hana lalacewa a ɓoye.Zane na Gani:Kusurwar kallon digiri 50 tana ayyana tsarin katako. Don aikace-aikacen da ke buƙatar tsarin radiation daban, ƙila a buƙaci na'urorin gani na biyu (ruwan tabarau, jagororin haske).

9. Kwatancen Fasaha da Bambance-bambance

LTW-C19DZDS5-NB ya bambanta kansa ta hanyar amfani da fasahar InGaN don haske fari, wanda yawanci yana ba da inganci mafi girma da ingantaccen launi idan aka kwatanta da tsofaffin fasahohi kamar blue chip tare da phosphor rawaya (ko da yake har yanzu fari ne da aka canza phosphor). Kunshinsa mai siriri sosai fa'ida ce mai mahimmanci ga na'urori masu siriri sosai. Cikakken tsarin binne don ƙarfin lantarki, ƙarfi, da chromaticity yana ba masu zane sarrafa ƙwaƙƙwaran daidaiton aikin lantarki da na gani na samfurinsu na ƙarshe, wanda ke da mahimmanci a cikin aikace-aikace kamar jerin hasken baya inda daidaito ke da mahimmanci.

10. Tambayoyin da ake yawan yi Dangane da Ma'auni na Fasaha

Q: Zan iya tuƙi wannan LED a 20mA don ƙarin haske?

A: A'a. Matsakaicin ci gaba da DC na gaba shine 10 mA. Wuce wannan ƙimar yana haifar da haɗarin lalacewa ta dindindin da kuma ɓata kowane cikakkun bayanai na dogaro. Don ƙarin fitowar haske, zaɓi kwandon LED tare da mafi girman ƙarfin haske ko samfurin da aka ƙididdige shi don mafi girma halin yanzu.

Q: Ƙarfin lantarki na gaba a cikin da'irata yana auna 2.5V, amma takardar bayani ta ce yau da kullun shine 2.7V. Shin wannan na al'ada ne?

A: Ee, wannan yana cikin saurin canji da ake tsammani. Ƙarfin lantarki na gaba yana da ƙayyadadden kewayon (2.4V zuwa 3.2V) kuma an rarraba shi ma. Ƙimar da kuka auna ta faɗi cikin kwandon ƙarfin lantarki A10 ko A11. Koyaushe kuyi zanen da'irar ku mai iyakancewa don mafi munin matsakaicin VF don tabbatar da cewa ba a taɓa wuce iyakar halin yanzu ba.

Q: Shin ina buƙatar damuwa game da hankali na danshi don wannan ɓangaren?

A: Ee. An ƙididdige ɓangaren MSL 3. Da zarar an buɗe jakar asali mai rufi, kuna da mako guda don kammala tsarin siyar da reflow a ƙarƙashin daidaitattun yanayin bene na masana'anta (≤ 30°C/60% RH). Idan wannan jadawalin ya wuce, ana buƙatar gasa kafin siyarwa.

Q: Zan iya amfani da wannan LED don alamar waje?

A: Takardar bayani ta ƙayyade aikace-aikace ciki har da "aikace-aikacen allunan alamar cikin gida." Kewayon zafin aiki shine -20°C zuwa +80°C. Don amfani da waje, dole ne ku tabbatar cewa yanayin muhalli (zafin jiki, danshi, bayyanar UV) bai wuce waɗannan iyakoki ba kuma cewa an rufe haɗin gwiwar da ya dace don shigar danshi, wanda takardar bayani na wannan ɓangaren ba ta rufe ba.

11. Misalin Amfani na Aiki

Yanayi: Zana alamar matsayi don na'urar likita mai ɗauka.Na'urar tana da layin wutar lantarki 3.3V kuma tana buƙatar alama mai tsabta, haske fari. Zanen yana kira da LED guda ɗaya da aka tuƙa a kusan 5mA don daidaita gani da amfani da wutar lantarki.Matakan Zane:1. Zaɓi LTW-C19DZDS5-NB saboda haskensa, ƙaramin girma, da dogaro. 2. Ƙididdige resistor mai iyakancewa: Ta amfani da matsakaicin VF na 3.2V, R = (3.3V - 3.2V) / 0.005A = 20 Ohms. Za a yi amfani da resistor na al'ada na ohm 20. 3. A cikin shimfidar PCB, yi amfani da shawarar tsarin ƙasa daga takardar bayani. 4. Ƙayyade abubuwa daga kwandon ƙarfin haske N da takamaiman kwandon hue (misali, C1) don tabbatar da daidaitaccen launi da haske a duk raka'o'in samarwa. 5. A cikin umarnin hadawa, jaddada gudanarwar MSL 3 da rayuwar bene mako guda bayan buɗe jakar.

12. Gabatarwar Ka'idar Aiki

Diodes masu fitar da haske (LEDs) na'urorin semiconductor ne waɗanda ke fitar da haske ta hanyar electroluminescence. Lokacin da aka yi amfani da ƙarfin lantarki na gaba a kan haɗin pn, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki (yawanci an yi shi da InGaN don LED blue/fari). Wannan sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Tsawon zango (launi) na hasken da aka fitar yana ƙaddara ta hanyar makamashin bandgap na kayan semiconductor. LED fari, kamar LTW-C19DZDS5-NB, yawanci yana amfani da chip InGaN shuɗi da aka lulluɓe da phosphor rawaya. Wasu hasken shuɗi suna canza su zuwa hasken rawaya ta hanyar phosphor, kuma cakuda shuɗi da hasken rawaya idon ɗan adam yana ganinsa a matsayin fari.

13. Trends na Fasaha

Filin SMD LEDs yana ci gaba da haɓaka zuwa mafi inganci (lumens da yawa a kowace watt), ingantaccen ma'auni na canza launi (CRI) don ingantaccen ingancin haske, da ƙara yawan wutar lantarki a cikin ƙananan fakitin. Hakanan akwai wani yanayi zuwa ƙwaƙƙwaran jurewar binne don duka launi da kwarara don biyan buƙatun aikace-aikace kamar hasken baya na nuni mai girma da hasken gine-gine inda daidaito ke da mahimmanci. Bugu da ƙari, ci gaban kayan kunshin da zane-zane suna nufin inganta aikin zafi, yana ba da damar tuƙi mafi girma da tsawon rayuwar aiki. Haɗa na'urorin sarrafa lantarki (misali, direbobi na akai-akai, adireshi) kai tsaye cikin kunshin LED wani muhimmin yanayi ne, yana sauƙaƙe tsarin tsarin don aikace-aikacen haske mai hankali.