IR LED 1206 Package Datasheet - Girman 3.2x1.6x1.1mm - Ƙarfin Wutar Lantarki 1.7V - Ƙarfi 110mW - Infrared 940nm - Takardun Fasaha na Hausa

1. Bayanin Samfur

IR11-21C/L491/TR8 wani diode ne mai fitar da infrared wanda aka haɗa a cikin ƙaramin kunshin 1206. An tsara shi da kullun filastik mai tsabta tare da ruwan tabarau na ciki mai kallon sama. Babban aikin wannan na'urar shine fitar da hasken infrared a matsakaicin tsinkaya na 940nm, wanda aka inganta don dacewa da na'urorin gano haske na silicon da phototransistors. Wannan ya sa ya zama kayan aiki mai kyau don aikace-aikacen gano ba tare da taɓawa ba.

1.1 Fa'idodi na Asali

• Zane Mai Ƙarami:Ƙaramin ƙafar SMD 1206 mai ƙarshen biyu yana ba da damar hawa PCB mai yawa, yana adana sararin allo mai mahimmanci.
• Babban Amintacce:An ƙera shi don aiki mai daidaito da kwanciyar hankali na dogon lokaci a cikin yanayi daban-daban na aiki.
• Ingantaccen Hasken:Ruwan tabarau na ciki da aka haɗa yana ba da kusurwar kallo mai sarrafawa na digiri 80, yana haɓaka jagorancin haske.
• Daidaitawa da Muhalli:Samfurin ba shi da gubar, ya bi ka'idojin RoHS, EU REACH, da ka'idojin marasa halogen (Br <900ppm, Cl <900ppm, Br+Cl <1500ppm).
• Abokantaka da Silsilar Kaya:Ana samar da shi akan kaset mai nisan milimita 8 akan reels masu diamita inci 7, wanda ya dace da kayan aikin haɗawa ta atomatik.

1.2 Aikace-aikacen Da Ake Nufi

Wannan LED na infrared an yi niyya ne da farko don amfani da shi azaman tushen haske a cikin tsarin na'urar gano infrared da aka hawa akan PCB. Aikace-aikacen yau da kullun sun haɗa da na'urori masu gano kusanci, gano abu, maɓallai marasa taɓawa, da na'urori masu ɓoye haske inda ake buƙatar fitar da infrared mai aminci.

2. Bayanan Fasaha

2.1 Matsakaicin Matsayin Iyaka

Waɗannan matakan suna bayyana iyakokin da za su iya haifar da lalacewa na dindindin ga na'urar. Ba a garantin aiki a ƙarƙashin waɗannan sharuɗɗan ba.

• Halin Yanzu na Gaba na Ci gaba (I_F):65 mA
• Ƙarfin Wutar Lantarki na Baya (V_R):5 V
• Yanayin Aiki (T_opr):-25°C zuwa +85°C
• Yanayin Ajiya (T_stg):-40°C zuwa +85°C
• Yanayin Solder (T_sol):260°C na ≤ dakika 5
• Rushewar Ƙarfi (P_d):110 mW a ko ƙasa da 25°C yanayin iska kyauta

2.2 Halayen Lantarki da Hasken (T_a= 25°C)

Waɗannan sigogi suna bayyana matsakaicin aikin na'urar a ƙarƙashin ƙayyadaddun yanayin gwaji.

• Ƙarfin Radiant (I_e):1.0 mW/sr (Mafi ƙarancin), 2.8 mW/sr (Typ) a I_F= 20mA
• Matsakaicin Tsinkaya (λ_p):940 nm (Typ)
• Faɗin Tsinkaya (Δλ):30 nm (Typ)
• Ƙarfin Wutar Lantarki na Gaba (V_F):1.3 V (Mafi ƙarancin), 1.7 V (Typ)
• Kusurwar Dubawa (2θ_1/2):80 digiri (Typ)
• Halin Yanzu na Baya (I_R):10 µA (Matsakaicin) a V_R= 5V

3. Bincike na Lankwasa Aiki

3.1 Halin Yanzu na Gaba vs. Yanayin Yanayi

Hoto na 1 yana kwatanta lankwasa rage ƙimar matsakaicin halin yanzu na gaba da zai yiwu a matsayin aikin yanayin yanayi. Na'urar na iya ɗaukar cikakken 65mA kawai har zuwa kusan 25°C. Yayin da zafin jiki ya karu, dole ne a rage matsakaicin halin yanzu a layi daya don hana yin zafi da kuma tabbatar da aminci, yana kaiwa sifili a kusa da 100°C. Wannan jadawali yana da mahimmanci don sarrafa zafi a cikin zanen aikace-aikace.

3.2 Rarraba Tsarin Tsinkaya

Hoto na 2 yana nuna matsakaicin ƙarfin radiant dangane da tsinkaya. Lankwasa tana tsakiya a matsakaicin matsakaicin tsinkaya na 940nm tare da cikakken faɗin rabin matsakaicin (FWHM) na kusan 30nm. Wannan ƙaramin bandwidth yana tabbatar da haɗin kai mai inganci tare da na'urorin gano silicon, waɗanda ke da mafi girman hankali a yankin kusa da infrared.

3.3 Matsakaicin Ƙarfi vs. Halin Yanzu na Gaba

Hoto na 3 yana nuna alaƙa tsakanin matsakaicin ƙarfin radiant da halin yanzu na gaba. Ƙarfin hasken fitarwa yana ƙaruwa tare da halin yanzu a cikin yanayin layi daya a cikin kewayon aikin da aka ba da shawarar. Wannan siffa tana ba da damar sarrafa haske mai sauƙi na analog ko na tushen PWM a cikin tsarin gano.

3.4 Halin Yanzu na Gaba vs. Ƙarfin Wutar Lantarki na Gaba

Hoto na 4 shine lankwasa halayen halin yanzu-ƙarfin wutar lantarki (I-V). Yana nuna alaƙar ƙima ta yau da kullun na diode. Ƙarfin wutar lantarki na gaba yana da ƙasa kaɗan, kusan 1.7V a 20mA, wanda ke ba da gudummawar rage amfani da wutar lantarki a cikin tsarin.

3.5 Tsarin Rarraba Hasken

Hoto na 5 yana gabatar da matsakaicin ƙarfin radiant a matsayin aikin motsi na kusurwa daga axis na tsakiya (kusurwar kallo). Tsarin yana kusan Lambertian, tare da ƙarfi yana faɗuwa zuwa rabin ƙimar kololuwa a kusan ±40 digiri daga tsakiya, yana tabbatar da cikakken kusurwar kallo na digiri 80. Wannan tsarin yana da mahimmanci don tantance yankin ɗaukar hoto na hasken IR da aka fitar.

4. Bayanan Injiniya da Kunshewa

4.1 Girman Kunshin

Na'urar ta yi daidai da daidaitaccen tsarin kunshin 1206 (3216 metric). Manyan girma kamar haka ne:

• Tsawon (L):3.20 mm ± 0.10 mm
• Faɗin (W):1.60 mm ± 0.10 mm
• Tsayi (H):1.10 mm ± 0.10 mm

An ba da cikakkun zane-zane na injiniya tare da shawarwarin tsarin ƙasa a cikin takardar bayanan don tunani na shimfidar PCB. Zanen kushin da aka ba da shawarar yana tabbatar da ingantaccen solder da kwanciyar hankali na injiniya.

4.2 Gano Polarity

Ana yiwa cathode alama a jikin na'urar. Yi nazarin zanen kunshin don ainihin tsarin alama don tabbatar da daidaitaccen alkibla yayin haɗawa.

5. Jagororin Solder da Haɗawa

5.1 Ajiya da Sarrafawa

LEDs suna da hankali ga danshi. Dole ne a adana su a cikin jakar su ta asali mai hana danshi a 10°C zuwa 30°C da <90% RH kafin amfani. Rayuwar shiryayye shekara ɗaya ce. Da zarar an buɗe jakar, "rayuwar bene" ita ce sa'o'i 168 (kwanaki 7) lokacin da aka adana a 10°C zuwa 30°C da ≤ 60% RH. Na'urorin da suka wuce dole ne a yi musu gasa (misali, sa'o'i 96 a 60°C ± 5°C, <5% RH) kafin solder reflow.

5.2 Bayanin Yanayin Solder na Reflow

Ana ba da shawarar bayanin solder reflow maras gubar. Matsakaicin zafin jiki bai kamata ya wuce 260°C ba, kuma lokacin da ya wuce 240°C ya kamata a sarrafa shi. Kada a yi reflow fiye da sau biyu akan na'urar ɗaya. Guji damuwa da kayan aiki yayin dumama kuma kada a karkatar da PCB bayan solder.

5.3 Solder da Hannu da Gyara

Idan solder da hannu ya zama dole, yi amfani da ƙarfe na solder tare da zafin ƙarshe a ƙasa da 350°C da ƙimar wutar lantarki a ƙarƙashin 25W. Lokacin tuntuɓar kowane tasha ya kamata a iyakance zuwa dakika 3. Don gyara, ana ba da shawarar ƙarfe na solder mai kai biyu don dumama tashoshi biyu lokaci ɗaya kuma a guje wa damuwa na zafi. Ya kamata a tabbatar da tasirin gyara akan halayen na'urar a baya.

6. Bayanan Kunshewa da Oda

6.1 Bayanan Kaset da Reel

Ana samar da abubuwan haɗin akan kaset mai ɗaukar hoto mai faɗin milimita 8 da aka nannade akan reels masu diamita inci 7. Kowace reel tana ƙunshe da guda 2000. An ƙayyade girman kaset ɗin mai ɗaukar hoto (tsalle aljihu, faɗi, da sauransu) don tabbatar da dacewa da daidaitattun kayan aikin haɗin SMD.

6.2 Bayanan Label

Label ɗin reel ya haɗa da mahimman bayanai kamar lambar sashi (P/N), lambar kuri'a (LOT No.), yawa (QTY), matsakaicin tsinkaya (HUE), matsayi (CAT), da matakin hankalin danshi (MSL).

7. Abubuwan da Ake Yi la'akari da Zane na Aikace-aikace

7.1 Iyakance Halin Yanzu

Mahimmanci:Dole ne a yi amfani da resistor mai iyakance halin yanzu na waje a cikin jerin tare da LED. Ƙarfin wutar lantarki na gaba yana da ƙimar zafin jiki mara kyau, ma'ana yana raguwa yayin da zafin haɗin ya tashi. Ba tare da resistor ba, ƙaramin ƙaruwa a cikin ƙarfin wutar lantarki na iya haifar da babban ƙaruwa, mai yuwuwar lalacewa, a cikin halin yanzu (gudu na zafi). Ya kamata a ƙididdige ƙimar resistor dangane da ƙarfin wutar lantarki (V_CC), halin yanzu na gaba da ake so (I_F), da matsakaicin ƙarfin wutar lantarki na gaba (V_F) ta amfani da Dokar Ohm: R = (V_CC- V_F) / I_F.

7.2 Zane na Hasken

Yi la'akari da kusurwar kallo na digiri 80 lokacin zanen ruwan tabarau, buɗaɗɗen buɗe ido, ko jagororin haske don tsarin na'urar gano. Tsarin rarraba hasken zai shafi kewayo na gano da filin kallo. Don gano kewayo mai tsayi, ƙila za a buƙaci na'urori na haɗin gwiwa na waje don mayar da hankali ga hasken da aka fitar.

7.3 Haɗin Na'urar Gano

Fitarwar 940nm na wannan LED an daidaita shi da kyau ga amsawar tsinkaya na photodiodes na silicon da phototransistors. Tabbatar cewa na'urar gano da aka zaɓa tana da hankali a wannan yanki na tsinkaya don matsakaicin rabon siginar tsarin zuwa amo.

8. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da tsofaffin IR LEDs na rami, wannan sigar SMD 1206 tana ba da fa'idodi masu mahimmanci a cikin ƙaramin girman kai da dacewa don kera ta atomatik. Bambance-bambancensa na asali a cikin nau'in SMD IR LED shine haɗinsa na matsakaicin ƙarfin radiant (2.8 mW/sr na yau da kullun) tare da daidaitaccen ƙafar 1206 da aka karɓa sosai, da kuma bin ƙa'idodin muhalli masu tsauri. Ruwan tabarau mai lebur da aka haɗa yana ba da fitarwa mai daidaito na gani idan aka kwatanta da na'urori ba tare da ruwan tabarau na ciki ba.

9. Tambayoyin da Ake Yi Akai-akai (FAQ)

9.1 Me yasa resistor mai iyakance halin yanzu ya zama dole?

LEDs na'urori ne masu motsa halin yanzu, ba masu motsa ƙarfin wutar lantarki ba. Halayensu na I-V yana da ƙima. Yin aiki da su kai tsaye daga tushen ƙarfin wutar lantarki, ko da wanda yake kusa da sunansu V_F, na iya haifar da kwararar halin yanzu mara sarrafawa, dumama cikin sauri, da gazawa nan take. Resistor na jerin yana ba da hanyar layi, mai tsayayye don saita halin yanzu na aiki.

9.2 Me zai faru idan ba a bi jagororin hankalin danshi ba?

Danshin da aka sha a cikin kunshin filastik na iya yin tururi cikin sauri yayin tsarin solder reflow mai zafi. Wannan na iya haifar da rabuwa na ciki, fashewar kunshin ("popcorning"), ko lalacewar haɗin waya, wanda ke haifar da gazawa nan take ko rage amincin dogon lokaci.

9.3 Za a iya amfani da wannan LED don watsa bayanai?

Duk da yake yana fitar da hasken da aka daidaita, zanensa na farko shine don aikace-aikacen gano. Ba a ƙayyade saurin sauyawa a cikin wannan takardar bayanan. Don watsa bayanai mai sauri (misali, masu sarrafa nesa na IR), ya kamata a zaɓi LEDs musamman waɗanda aka siffanta don saurin amsawa.

10. Misalin Zane na Aiki

Yanayi:Zana na'urar gano kusanci mai sauƙi ta amfani da wannan IR LED da phototransistor na silicon.

1. Da'irar Tuƙi:Haɗa anode na LED zuwa wadataccen wutar lantarki na 5V ta hanyar resistor mai iyakance halin yanzu. Don manufa I_Fna 20mA da V_Fna 1.7V, lissafta R = (5V - 1.7V) / 0.02A = 165Ω. Yi amfani da ƙimar daidaitaccen da ta fi kusa (misali, 160Ω ko 180Ω). Transistor ko fil ɗin GPIO na microcontroller na iya kunna/kashe LED.
2. Da'irar Gano:Sanya phototransistor a kusa. Lokacin da wani abu ya nuna hasken IR zuwa na'urar gano, halin yanzu na mai tattarawa yana ƙaruwa. Ana iya canza wannan halin yanzu zuwa ƙarfin wutar lantarki ta amfani da resistor mai ɗaukar nauyi kuma a cika shi cikin mai kwatanta ko ADC na microcontroller don gano kasancewar abu.
3. Shimfidawa:Sanya LED da na'urar gano kusa da juna akan PCB amma tabbatar an yi amfani da shinge na jiki ko masu raba gani don hana crosstalk kai tsaye (haske daga LED yana shiga cikin na'urar gano kai tsaye ba tare da nunawa ba).

11. Ka'idar Aiki

IR LED diode ne na p-n junction na semiconductor. Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba, electrons daga yankin n suna haɗuwa tare da ramuka daga yankin p a cikin yankin aiki. Wannan tsarin haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke ciki (GaAlAs a wannan yanayin) yana ƙayyade makamashin bandgap, wanda ke bayyana tsinkaya na photons da aka fitar, a nan a cikin tsinkaya na infrared a 940nm. Ruwan tabarau na ciki yana siffanta hasken da aka fitar zuwa takamaiman tsarin rarraba hasken.

12. Trends na Fasaha

Trend a cikin abubuwan infrared don gano yana ci gaba zuwa ga haɗin kai mafi girma, ƙananan fakitoci, da ingantaccen inganci. Akwai ƙarin buƙatar IR LEDs tare da ƙunƙuntaccen bandwidth na tsinkaya da ƙarin ƙarfin fitarwa don aikace-aikacen kewayo mai tsayi kamar LiDAR da gano lokacin jirgin sama (ToF). Bugu da ƙari, haɗa mai fitar da IR da na'urar gano zuwa na'ura ɗaya yana sauƙaƙa zanen tsarin. Daidaitawa da muhalli da ƙa'idodi ya kasance babban mai motsa kowane abu na lantarki.