LTR-C950-TB Infrared Phototransistor Datasheet - Duba Sama Baƙin Ruwan tabarau - 940nm - Takardun Fasaha na Hausa

1. Bayanin Samfur

Wannan takarda ta yi cikakken bayani game da ƙayyadaddun bayanai na ɓangaren fototransistor infrared mai zaman kansa. An ƙera na'urar don gano hasken infrared, yawanci a tsawon zango na 940nm. Tana da fasalin kunshin duba sama tare da baƙin ruwan tabarau mai kumfa, wanda ke taimakawa wajen ayyana kusurwar kallo da yuwuwar rage tsangwama daga hasken da ake gani a kewaye. An kunna ɓangaren a kan tef da reel, wanda ya sa ya dace da manyan hanyoyin haɗawa na ƙasa-mount na atomatik. Ya bi ka'idojin muhalli masu dacewa.

1.1 Siffofi

• Ya bi ka'idojin muhalli don abubuwa masu haɗari.
• Siffar duba sama tare da baƙin ruwan tabarau mai kumfa.
• Ana ba da shi a cikin tef na 12mm akan reels masu diamita 7-inch don sanya atomatik.
• Ya dace da daidaitattun hanyoyin solder na infrared reflow.
• Madaidaicin bayyanar kunshin.

1.2 Aikace-aikace

• Modules masu karɓar infrared.
• Aikace-aikacen gano infrared da aka ɗora akan PCB.

2. Girman Bayyanar

Na'urar ta yi daidai da madaidaicin bayyanar kunshin. An ba da duk mahimman girma a cikin zane-zanen datasheet a cikin milimita, tare da madaidaicin jurewar ±0.1mm sai dai idan an faɗi akasin haka. An ƙera kunshin don amintaccen ɗora PCB.

3. Matsakaicin Matsakaicin Ƙarfi

Waɗannan ƙimar suna ayyana iyakokin da za su iya haifar da lalacewa ta dindindin ga na'urar. Duk ƙimar an ƙayyade su a yanayin zafin yanayi (TA) na 25°C.

• Rushewar Wutar Lantarki (PD):100 mW
• Ƙarfin lantarki Mai Tattara-Mai fitarwa (VCEO):30 V
• Ƙarfin lantarki Mai fitarwa-Mai Tattara (VECO):5 V
• Kewayon Zafin Aiki:-40°C zuwa +85°C
• Kewayon Zafin Ajiya:-55°C zuwa +100°C
• Solder na Infrared Reflow:Matsakaicin zazzabi na 260°C na iyakar dakika 10.

An haɗa shawarar bayanin yanayin zazzabi na reflow don hanyoyin marasa gubar, yana mai da hankali kan dumama-gaba, matsakaicin zazzabi, da lokaci-sama da ma'auni na ruwa don tabbatar da haɗin gwiwar solder ba tare da lalacewar zafi ba.

4. Halayen Lantarki & Na Gani

Waɗannan sigogi suna ayyana aikin na'urar a ƙarƙashin ƙayyadaddun yanayin gwaji a TA=25°C. Suna da mahimmanci don ƙirar da'ira.

• Ƙarfin lantarki Mai Tattara-Mai fitarwa, V(BR)CEO:30 V (ƙarami). Yanayin gwaji: IR = 100µA, Irradiance (Ee) = 0 mW/cm².
• Ƙarfin lantarki Mai fitarwa-Mai Tattara, V(BR)ECO:5 V (ƙarami). Yanayin gwaji: IE = 100µA, Ee = 0 mW/cm².
• Ƙarfin lantarki Mai Tattara-Mai fitarwa, VCE(SAT):0.4 V (matsakaici). Yanayin gwaji: IC = 100µA, Ee = 0.5 mW/cm².
• Lokacin Tashi (Tr) & Lokacin Faɗuwa (Tf):15 µs (na al'ada). Yanayin gwaji: VCE = 5V, IC = 1mA, RL = 1kΩ.
• Halin yanzu na duhu na Mai Tattara (ICEO):100 nA (matsakaici). Yanayin gwaji: VCE = 20V, Ee = 0 mW/cm². Wannan shine halin yanzu na ɓarna lokacin da babu haske da ke faruwa.
• Halin yanzu na Mai Tattara a cikin Jiha, IC(ON):Ya bambanta daga 1.5 mA (ƙarami) zuwa 9.20 mA (matsakaici). Yanayin gwaji: VCE = 5V, Ee = 0.5 mW/cm², λ=940nm. Wannan shine mahimmin sigogi da ke nuna hankali.

5. Tsarin Lambar Bin

Ana rarraba na'urori zuwa kwandon aiki bisa ga Halin yanzu na Mai Tattara a cikin Jiha (IC(ON)) don tabbatar da daidaito a aikace-aikace. Jurewar halin yanzu a cikin kowane kwandon shine ±15%.

• BIN A:IC(ON) = 1.5 mA zuwa 2.9 mA
• BIN B:IC(ON) = 2.9 mA zuwa 5.5 mA
• BIN C:IC(ON) = 5.5 mA zuwa 9.2 mA

6. Madaidaicin Lakatuttukan Aiki

Datasheet yana ba da zane-zane da yawa da ke kwatanta halayen na'urar a ƙarƙashin yanayi daban-daban. Waɗannan suna da mahimmanci don fahimtar aiki fiye da ƙayyadaddun bayanai na maki ɗaya.

• Hankali na Spectral:Lakabi da ke nuna madaidaicin hankali na fototransistor a fadin tsawon zango daban-daban, yana kololuwa a kusa da 940nm.
• Halin yanzu na duhu na Mai Tattara vs. Zafin Yanayi:Yana nuna yadda halin yanzu na ɓarna (ICEO) ke ƙaruwa tare da hawan zazzabi.
• Lokacin Tashi da Faɗuwa vs. Resistance na Load:Yana kwatanta yadda saurin sauyawa ke shafar ƙimar resistor na load (RL) a cikin da'ira.
• Madaidaicin Halin yanzu na Mai Tattara vs. Irradiance:Yana nuna alaƙa tsakanin ƙarfin hasken da ke faruwa (Ee) da halin yanzu na mai tattara na fitarwa.
• Zanen Hankali:Zanen polar da ke nuna madaidaicin amsa na kusurwa na na'urar gano, wanda baƙin ruwan tabarau mai kumfa ke tasiri.

7. Tsarin Kafaffen Solder & Bayanin Kunshin

An ba da madaidaicin girman tsarin ƙasa na PCB (kafaffen solder) don tabbatar da ingantaccen solder da kwanciyar hankali na inji. An ba da shawarar kauri na stencil na 0.1mm ko 0.12mm don aikace-aikacen man solder. An haɗa cikakkun girma don kunshin tef da reel, suna ƙayyade tazarar aljihu, diamita na reel, da girman cibiya don sauƙaƙe sarrafa atomatik.

8. Jagororin Sarrafawa, Ajiya & Haɗawa

8.1 Yanayin Ajiya

Don buhunan da ba a buɗe ba, masu hana danshi tare da desiccant, ajiye a ≤ 30°C da ≤ 90% RH, tare da lokacin amfani da shi na shekara guda. Don na'urorin da aka cire daga ainihin kunshinsu, yanayin bai kamata ya wuce 30°C / 60% RH ba. Idan an ajiye a waje da ainihin jakar fiye da mako guda, ana ba da shawarar gasa a 60°C na sa'o'i 20 kafin solder don cire danshi da hana "popcorning" yayin reflow.

8.2 Tsaftacewa

Idan tsaftacewa ya zama dole, yi amfani da kaushi na barasa kamar isopropyl alcohol.

8.3 Shawarwarin Solder

An ba da cikakkun sigogi don duka reflow da solder na hannu:

• Solder na Reflow:Dumama-gaba zuwa 150-200°C har zuwa dakika 120, tare da matsakaicin zazzabi bai wuce 260°C ba na iyakar dakika 10. Ya kamata a yi reflow mafi ƙarancin sau biyu.
• Solder na Hannu:Zazzabin ƙarshen ƙarfe bai kamata ya wuce 300°C ba, tare da lokacin solder na dakika 3 mafi ƙarancin kowane haɗin gwiwa.

Jagororin suna nuni ga ma'auni na JEDEC kuma suna jaddada buƙatar siffanta tsarin don takamaiman ƙirar PCB.

8.4 La'akari da Da'irar Tuƙi

Fototransistor na'urar fitarwa ce ta halin yanzu. Don aikace-aikacen da suka haɗa da na'urori masu gano yawa, ana ba da shawarar sosai don amfani da resistors masu iyakance halin yanzu na mutum ɗaya a cikin jerin tare da kowane na'ura (kamar yadda aka nuna a cikin "Da'ira A" na datasheet) don tabbatar da amsa iri ɗaya da hana cin abinci na halin yanzu ta kowane na'ura ɗaya. Haɗa na'urori kai tsaye a cikin layi daya ("Da'ira B") ba tare da resistors na mutum ɗaya ba na iya haifar da rashin daidaiton aiki saboda bambance-bambance a cikin halayen na'ura.

9. Bayanan Aikace-aikace & La'akari da Ƙira

9.1 Ka'idar Aiki

Fototransistor infrared yana aiki ta hanyar canza hasken infrared da ke faruwa zuwa halin yanzu na lantarki. Photons masu isasshen ƙarfi (wanda ya dace da tsawon zango mai hankali na na'ura, kusan 940nm) ana sha a cikin yankin tushe na transistor, suna haifar da nau'i-nau'i na electron-ramuwa. Wannan halin yanzu na hoto yana aiki azaman halin yanzu na tushe, wanda aka ƙara haɓaka ta hanyar ribar transistor, yana haifar da babban halin yanzu na mai tattara wanda ya yi daidai da ƙarfin hasken da ke faruwa. Baƙin ruwan tabarau mai kumfa yana taimakawa wajen mayar da hankali ga hasken da ke shigowa kuma yana ayyana filin kallo.

9.2 Madaidaicin Yanayin Aikace-aikace

Babban amfani shine a cikin tsarin karɓar infrared. Wannan ya haɗa da:

• Masu Karɓar Sarrafa Nesa:Ƙaddamar da siginoni daga TV, sauti, da na'urorin sarrafa nesa.
• Gano Kusanci:Gano kasancewa ko rashin wani abu ta hanyar nuna hasken IR.
• Sauyin Gani na Asali:Katse katako don ƙidaya ko gano matsayi.
• Hanyoyin Haɗin Bayanai Saurara:Watsa bayanai mara igiya mai sauri, ɗan gajeren zango ta amfani da hasken IR da aka daidaita.

9.3 Jerin Binciken Ƙira

• Zaɓi Lambar Bin da ta dacebisa ga madaidaicin hankali da ake buƙata don aikace-aikacenku.
• la'akari da girgizar ƙarfin lantarki na fitarwa da kuma ciniki tare da saurin amsa (duba Lokacin Tashi/Faɗuwa vs. Lakabin RL).Aiwatar da tacewa mai kyau
• a cikin da'irar daidaita siginar don ƙi amo daga hasken kewaye (misali, ƙyalli na fitila na fluorescent a 100/120Hz).Bi jagororin shimfidar PCB da shawarwarin solder
• don tabbatar da aminci.Yi la'akari da zanen hankali na kusurwa
• lokacin ƙirar sanyawa na inji da gida don tabbatar da cewa na'urar gano tana da niyya daidai.9.4 Aiki vs. Zazzabi

Masu ƙira dole ne su yi la'akari da tasirin zazzabi. Halin yanzu na duhu na Mai Tattara (ICEO) yana ƙaruwa sosai tare da zazzabi, wanda zai iya ɗaga ƙasan amo a cikin aikace-aikacen ƙarancin haske. Halin yanzu na hoto kansa yana da coefficient na zazzabi. Don mahimman aikace-aikace a kan faffadan kewayon zazzabi (-40°C zuwa +85°C), ana ba da shawarar gwaji ko kwaikwayo a cikin matsanancin zazzabi.

10. Kwatancen Fasaha & Jagorar Zaɓi

Lokacin zaɓar mai gano hasken infrared, manyan bambance-bambance sun haɗa da:

Fototransistor vs. Photodiode:

• Fototransistors suna ba da riba na ciki, suna samar da babban siginar fitarwa don takamaiman matakin haske, suna sauƙaƙe ƙirar amplifier na gaba. Duk da haka, gabaɗaya suna da jinkiri a cikin lokacin amsa fiye da photodiodes. Wannan na'urar, tare da lokacin tashi/faɗuwa na 15µs, ta dace da daidaitattun siginonin sarrafa nesa (misali, mai ɗaukar kaya 38kHz) amma yana iya zama jinkiri sosai don sadarwar bayanai mai sauri sosai.Tsawon Zango:
• Matsakaicin hankali na 940nm yana da kyau don haɗawa tare da fitattun masu fitar da infrared na GaAs kuma ba a iya gani ga idon ɗan adam idan aka kwatanta da tushen 850nm, yana rage gurɓataccen haske da ake gani.Kunshi da Ruwan tabarau:
• Kunshin ruwan tabarau baƙar fata na duba sama an inganta shi don haɗawa na ƙasa-mount kuma yana ba da kusurwar kallo da aka sarrafa, wanda zai iya taimakawa wajen ƙi hasken ɓarna daga gefuna.11. Tambayoyin da ake yawan yi (FAQ)

Q: Menene manufar Lambar Bin?

A: Lambar Bin tana tabbatar da kewayon hankali (IC(ON)) wanda za a iya hasashen. Don daidaitaccen aiki a cikin samarwa, ƙayyade bin da ake buƙata lokacin yin oda.

Q: Zan iya amfani da wannan na'urar gano a cikin hasken rana?

A: Hasken rana kai tsaye yana ƙunshe da adadi mai yawa na radiation infrared kuma zai iya cika na'urar gano. An ƙera shi don amfani na cikin gida ko yanayi da aka sarrafa. Tacewa na gani ko aikin bugun jini tare da gano aiki tare na iya zama dole don amfani na waje.

Q: Me yasa tsarin ajiya da gasa yake da mahimmanci haka?

A: Kunshin ƙasa-mount na iya sha danshi daga iska. A lokacin babban zafin jiki na reflow solder, wannan danshi na iya yin tururi cikin sauri, yana haifar da rabuwa na ciki ko tsaga ("popcorning"), wanda ke lalata ɓangaren. Ingantaccen ajiya da gasa suna hana wannan.

Q: Ta yaya zan iya ƙididdige ƙarfin lantarki na fitarwa?

A: Fototransistor yana aiki azaman tushen halin yanzu. Ƙarfin lantarki na fitarwa a wurin mai tattara shine kusan VCC - (IC * RL). Zaɓi RL da VCC bisa ga girgizar fitarwa da ake so da kuma IC da ake tsammani daga tushen haske.

12. Misalin Ƙira na Aiki

Yanayi:

Ƙirar mai karɓar IR mai sauƙi don siginar sarrafa nesa da aka daidaita 38kHz.Zaɓin Bangare:

1. Yi amfani da wannan fototransistor (misali, BIN B don matsakaicin hankali) kuma haɗa shi da tace bandpass na 38kHz ko takamaiman IC mai ƙaddamarwa.Da'irar Bias:
2. Haɗa mai tattara zuwa wadata 5V (VCC) ta hanyar resistor na load RL. Mai fitarwa yana haɗawa zuwa ƙasa. Ƙimar RL = 1kΩ shine madaidaicin farawa, yana ba da daidaitaccen ma'auni tsakanin girgizar ƙarfin lantarki na fitarwa da sauri.Daidaita Siginar:
3. Ƙarfin lantarki a wurin mai tattara zai faɗi lokacin da aka gano hasken IR. Wannan siginar AC-haɗaɗɗe sai a ciyar da ita cikin mataki na amplifier ko kwatancen don tsaftace siffar dijital. Capacitor a layi daya tare da RL zai iya taimakawa tace amo mai girma amma zai rage saurin amsa.Shimfidawa:
4. Sanya na'urar gano a gaban PCB tare da buɗaɗɗen buɗaɗɗe a cikin akwati. Ka kiyaye shi daga tushen amo kamar masu sarrafa sauyawa. Bi shawarar shimfidar kafaffen solder.13. Trends na Fasaha

Filin ɓangarorin infrared masu zaman kansu suna ci gaba da haɓakawa. Trends sun haɗa da haɓaka masu gano hoto tare da haɗaɗɗun ICs na daidaita siginar a cikin kunshi ɗaya, suna ba da fitarwa na dijital da ƙarin ƙin hasken kewaye. Hakanan akwai turawa don na'urori masu sauri don ba da damar watsa bayanai cikin sauri don aikace-aikace kamar haɗin gwiwar bayanai na IR (IrDA) da gano motsi. Bugu da ƙari, ingantattun kunshi suna nufin samar da ƙunƙuntacciyar kusurwar kallo da madaidaici don aikace-aikacen gano daidai yayin kiyaye dacewa da hanyoyin haɗawa na atomatik. Na'urar da aka kwatanta a cikin wannan datasheet tana wakiltar cikakkiyar mafita, amintacciyar mafita don aikace-aikacen mai tsada, manyan aikace-aikace inda ake buƙatar gano infrared na asali.

The field of discrete infrared components continues to evolve. Trends include the development of photodetectors with integrated signal conditioning ICs in a single package, providing digital output and enhanced ambient light rejection. There is also a push for higher-speed devices to enable faster data transmission for applications like IR data association (IrDA) and gesture sensing. Furthermore, improvements in packaging aim to provide narrower and more consistent viewing angles for precise sensing applications while maintaining compatibility with automated assembly processes. The device described in this datasheet represents a mature, reliable solution for cost-sensitive, high-volume applications where basic infrared detection is required.