Takaitaccen Bayanin LED Fari 2.8x3.5x0.8mm 3.2V 0.612W PLCC2 - Takardar Bayanin Matakin Motoci

1. Taƙaitaccen Bayanin Samfurin

Wannan LED fari an yi shi ta hanyar amfani da chip blue da aka haɗa da phosphor, yana haifar da ƙaramin fakiti na PLCC2 mai girman 2.80 mm x 3.50 mm x 0.80 mm. An tsara shi don aikace-aikacen hasken cikin mota da waje, yana ba da kusurwa mai faɗi sosai kuma yana dacewa da duk matakan haɗa SMT da tafiyar da karfe. Na'urar tana kan kaset da reel, tana da matakin damshin 2, kuma tana biyan buƙatun RoHS da REACH. Bugu da ƙari, tsarin gwajin cancantar samfurin yana bin jagororin AEC-Q102 Stress Test Qualification for Automotive Grade Discrete Semiconductors, yana tabbatar da aminci mai girma a cikin yanayi mara kyau.

2. Bincike Mai Zurfi Na Sigogi Na Fasaha

2.1 Halayen Lantarki da Hasken (Ts=25°C)

Mahimman sigogi da aka auna a gwajin wutar lantarki na 150 mA sun haɗa da:

• Wutar Lantarki ta Gaba (VF): Min 2.8 V, Typ 3.2 V, Max 3.4 V
• Wutar Lantarki ta Baya (IR): Typ<10 µA a VR=5V
• Haske Mai Haske (Φ): Min 61.2 lm, Typ 72 lm, Max 83.7 lm
• Kusurwar Kallo (2θ1/2): Typ 120°
• Juriya na Zafi (Rth JS real): Typ 27°C/W, Max 35°C/W
• Juriya na Zafi (Rth JS el): Typ 16°C/W, Max 21°C/W

Lura: Ana amfani da jurewa awo: VF ±0.1V, daidaitawar launi ±0.005, haske mai haske ±10%.

2.2 Matsakaicin Ƙimar Ƙarfafawa

• Juyar da Ƙarfi (PD): 612 mW
• Wutar Lantarki ta Gaba (IF): 180 mA (DC), 350 mA (kololuwa, 1/10 aiki, bugun 10ms)
• Wutar Lantarki ta Baya (VR): 5 V
• ESD (HBM): 2000 V
• Zafin Aiki (TOPR): -40°C zuwa +110°C
• Zafin Ajiya (TSTG): -40°C zuwa +110°C
• Zafin Haɗin (TJ): 125°C

3. Bayanin Tsarin Rarraba

3.1 Rarraba Wutar Lantarki ta Gaba (IF=150mA)

• G0: 2.8–3.0 V
• H0: 3.0–3.2 V
• I0: 3.2–3.4 V

3.2 Rarraba Haske Mai Haske (IF=150mA)

• PB: 61.2–67.8 lm
• QA: 67.8–75.3 lm
• QB: 75.3–83.7 lm

3.3 Rarraba Launi

An raba daidaitawar launi zuwa rarraba 7 (VM1 zuwa VM7) da aka ayyana akan zane CIE 1931. Don takamaiman daidaitawar x/y, duba tebur a cikin takardar bayanin. Waɗannan rarraba sun rufe yankin kusa da fari kusa da layin jiki baƙi, suna tabbatar da daidaiton bayyanar launi.

4. Bincike na Tsarin Aiki

4.1 Wutar Lantarki ta Gaba vs Wutar Lantarki ta Gaba

Tsarin IV yana nuna haɓakar wutar lantarki daidai gwargwado tare da wutar lantarki. A 2.8 V wutar lantarki tana kusa da sifili, yayin da a 3.4 V ta kai kusan 180 mA (matsakaicin DC). Canjin wutar lantarki kaɗan yana haifar da babban canjin wutar lantarki, don haka ana ba da shawarar daidaita wutar lantarki.

4.2 Haske Mai Haske Mai Dangantaka vs Wutar Lantarki ta Gaba

Haske mai dangantaka yana ƙaruwa kusan layi ɗaya tare da wutar lantarki har zuwa 180 mA, yana kaiwa kusan sau 1.8 na haske a 60 mA. Tsarin yana nuna inganci mai kyau a matsakaicin wutar lantarki.

4.3 Haske Mai Haske Mai Dangantaka vs Zafin Haɗin

Haske yana raguwa tare da haɓaka zafin haɗin. A 125°C haske yana faɗo zuwa kusan 75% na ƙimar a 25°C. Gudanar da zafi yana da mahimmanci don kiyaye haske.

4.4 Wutar Lantarki ta Gaba vs Zafin Solder

Dole ne a rage matsakaicin wutar lantarki ta gaba da aka yarda yayin da zafin solder ya tashi. Tsarin yana nuna cewa a 110°C wutar lantarki da aka yarda tana raguwa zuwa kusan 60 mA.

4.5 Canjin Wutar Lantarki vs Zafin Haɗin

Wutar lantarki ta gaba tana raguwa layi ɗaya tare da zafin jiki a matsakaicin -2 mV/°C, wanda shine na yau da kullun ga LEDs.

4.6 Tsarin Haske

Tsarin haske yana kusa da Lambertian tare da rabin kusurwa na digiri 60 (kusurwar kallo 120°). Ƙarfi a ±90° ya kasa da 10% na kololuwa.

4.7 Canjin Daidaitawar Launi

Dukansu Cx da Cy suna canzawa kaɗan tare da zafin jiki da wutar lantarki. A kan iyakar 150°C canjin yana cikin ±0.01 don Cx da ±0.005 don Cy. Wannan ƙaramin canjin yana tabbatar da tsayayyen launi a yanayin aiki.

4.8 Rarraba Bakan

Bakan LED fari ya rufe daga 400 nm zuwa 750 nm, tare da kololuwa kusa da 450 nm (chip blue) da kuma fitowar phosphor mai fadi a yankin kore-rawaya. Wannan yana haifar da ma'aunin nuna launi mai girma wanda ya dace da hasken motoci.

5. Bayani Game da Injiniya da Fakiti

5.1 Girman Fakiti

Jikin LED yana da 2.80 mm x 3.50 mm x 0.80 mm. Ana ba da shimfidar pad na PCB da aka ba da shawarar a cikin takardar bayanin: girman pad gabaɗaya 2.45 mm x 2.30 mm tare da pad zafi na tsakiya da pads guda biyu na gefe don anode/cathode. Ana nuna polarity ta hanyar daraja a gefen kallo.

5.2 Kaset da Reel

Ana ba da abubuwan a cikin kaset mai faɗin 8 mm tare da tazarar 4 mm. Reel tana da diamita 178 mm, faɗin hub 60 mm, da rami spindle 13 mm. Kowane reel yana ƙunshe da guda 4000.

5.3 Bayanin Lakabi

Lakabin ya haɗa da lambar sashi, lambar lot, lambobin rarraba (haske mai haske, launi, wutar lantarki ta gaba), lambar tsawon raƙuman haske, yawa, da kwanan wata.

6. Jagororin Solder da Haɗuwa

6.1 Tsarin Reflow da aka Shawarta

• Matsakaicin hawa (Tsmax zuwa Tp): max 3°C/s
• Preheat: 150°C zuwa 200°C na 60–120 s
• Lokaci sama da 217°C (TL): max 60 s
• Matsakaicin zafin jiki (Tp): 260°C, max 10 s
• Lokaci a cikin 5°C na Tp: max 10 s
• Matsakaicin sanyaya: max 6°C/s
• Jimlar lokaci daga 25°C zuwa Tp: max 8 min

Reflow soldering bai kamata ya wuce hawan keke biyu ba. Idan fiye da awanni 24 suka wuce tsakanin hawan keke, LEDs na iya sha danshi kuma su lalace.

6.2 Kariyar Kariya

Kada a yi amfani da damuwa na injiniya yayin dumama ko sanyaya. Kada a karkatar da PCB bayan solder. Yi amfani da ƙarfe solder mai kai biyu don gyara idan ya cancanta. Silicone encapsulant yana da laushi; ka guji matsananciyar matsi a kan lens. Nozzles ɗauka yakamata su yi amfani da ƙarfi mai laushi.

7. Bayani Game da Fakiti da Oda

Ana ba da samfurin a cikin jakunkuna masu hana danshi da aka rufe tare da desiccant da mai nuna damshi. Dole ne a adana jakar a ≤30°C da ≤75% RH kafin buɗewa. Bayan buɗewa, yi amfani da shi a cikin awanni 24 a ƙarƙashin ≤30°C, ≤60% RH. Idan yanayin ajiya ya wuce waɗannan iyakoki ko desiccant ya canza launi, gasa LEDs a 60±5°C na akalla awanni 24 kafin amfani.

8. Shawarwarin Aikace-aikace

8.1 Aikace-aikace na Yau da Kullun

An tsara shi don cikin mota (dashboard, ambient) da waje (hasken rana, alamun juyawa, hasken baya). Kusurwar kallo mai faɗi da girman ƙarami suna ba da damar sassauƙar tsari.

8.2 Abubuwan La'akari na Tsari

• Daidaita wutar lantarki: Koyaushe yi amfani da resistor mai iyakance wutar lantarki ko driver don hana wuce gona da iri saboda canjin VF.
• Gudanar da zafi: Tabbatar da isassun pads na zafi na PCB da vias don kiyaye zafin haɗin ƙasa da 125°C.
• Kariyar ESD: Sanya na'urorin kashe wutar lantarki na wucin gadi idan ya cancanta, musamman a yanayin lantarki mara kyau na motoci.
• Sulfur da halogens: Yanayin aiki ya kamata ya ƙunshi<100 ppm mahadi sulfur,<900 ppm bromine,<900 ppm chlorine, da jimlar Br+Cl<1500 ppm.
• VOCs: Ka guji adhesives ko mahadi na potting waɗanda ke fitar da tururi na halitta waɗanda zasu iya canza launin LED.

9. Kwatanta Fasaha

Idan aka kwatanta da daidaitattun PLCC2 RGB ko LEDs fari ba tare da cancantar motoci ba, wannan samfurin yana ba da:

• Cancantar gwajin damuwa AEC-Q102 (ciki har da tsawaita rayuwa, girgizar zafi, da gwajin damshi).
• Ƙananan juriya na zafi (27°C/W gaske) yana ba da damar watsa zafi mafi kyau.
• Babban haske mai haske kowane fakiti (har zuwa 83.7 lm a 150 mA).
• 100% mara gubar kuma yana biyan RoHS/REACH, yana saduwa da ƙuntatawa na kayan motoci na duniya.

10. Tambayoyi da Aka Yi Yawa

10.1 Ta yaya zan zaɓi daidai rarraba wutar lantarki da haske?

Zaɓi rarraba wutar lantarki bisa tsarin driver naka don tabbatar da daidaiton wutar lantarki. Rarraba haske yana shafar haske; zaɓi PB, QA, ko QB dangane da fitar da ake buƙata. Don aikace-aikace masu mahimmanci, nemi takamaiman lambobin rarraba.

10.2 Menene rayuwar ajiya bayan gasa?

Bayan buɗe jakar hana danshi, dole ne a yi amfani da LEDs a cikin awanni 24 idan an adana su a ≤30°C/≤60% RH. Idan ba haka ba, sake gasa kafin reflow.

10.3 Ana iya amfani da wannan LED tare da pulse width modulation (PWM)?

Ee, ana iya yin dimming PWM. Matsakaicin wutar lantarki na 350 mA (10% aiki) yana ba da damar manyan wutar lantarki na ɗan gajeren lokaci. Tabbatar cewa matsakaicin ƙarfin bai wuce 612 mW ba.

11. Misalai na Aikace-aikace Masu Amfani

A cikin tsarin hasken rana na mota (DRL), ana sanya waɗannan LEDs guda huɗu a cikin jeri mai layi tare da jimlar wutar lantarki 600 mA (150 mA kowane LED). Yin amfani da rarraba haske QA (67.8–75.3 lm), jimlar fitarwa ta wuce 270 lm, tana saduwa da buƙatun ECE R87. Binciken zafi ya nuna cewa zafin haɗin yana tsaye a 85°C a ƙarƙashin mafi munin yanayi na 85°C, ƙasa da matsakaicin 125°C. Tsarin yana amfani da PCB na jan karfe 1 oz tare da vias na zafi don watsa zafi.

12. Bayanin Ka'ida

LED fari yana aiki bisa ka'idar juyar da phosphor: chip InGaN blue yana fitar da haske blue kusa da 450 nm. Wannan haske blue yana kunna phosphor mai fitar da rawaya (yawanci YAG:Ce) wanda aka rufe a kan chip. Haɗin haske blue mai raguwa da haske rawaya yana samar da haske fari. Daidaitaccen zafin launi da nuni suna ƙayyade ta hanyar abun da ke cikin phosphor da kauri. Samfurin yana amfani da phosphor na yau da kullun wanda ke haifar da zafin launi mai alaƙa kusan 6000K, wanda ya dace da hasken motoci fari.

13. Hanyoyin Ci Gaba

Masana'antar hasken motoci tana motsawa zuwa ga mafi girman ingancin haske, ƙananan fakiti, da kuma aminci mafi girma. Wannan tsarin PLCC2 yana canzawa zuwa ma ƙananan fakiti (misali, 2016, 1616) yayin da yake kiyaye babban haske. Hanyoyin gaba sun haɗa da mafi kyawun kayan haɗin zafi, ingantacciyar kwanciyar hankali na launi akan zafin jiki, da haɗin kayan lantarki masu sarrafawa. Samfurin na yanzu, tare da cancantar AEC-Q102 da faɗin kewayon zafin aiki, yana matsayin mafita mai aminci don ƙirar motoci na yau, yayin da nau'ikan gaba zasu iya samun inganci mafi girma da ƙarin ƙarami.