EHP-C04 High-Power White LED Datasheet - Package Size 2.04x1.64x0.75mm - Voltage 2.95-4.15V - Power 7.5W (Pulse) - Technical Documentation

1. Muhtasari wa Bidhaa

EHP-C04/NT01H-P01/TR ni LED nyeupe yenye ufanisi na kompakt, iliyobuniwa hasa kwa matumizi magumu yanayohitaji mwanga wa juu. Kifaa hiki cha SMD kinatumia teknolojia ya chip ya InGaN kutoa mwanga mweupe. Lengo kuu la muundo wake ni kutoa utendaji bora wa macho ndani ya kifurushi kidogo sana, na kukifanya kifaa kinachofaa kwa sehemu za elektroniki zenye nafasi ndogo.

Mambo makuu ya LED hii ni pamoja na: mwanga wa kawaida wa hadi lumens 85 kwa mkondo wa kuendesha wa 500mA, ufanisi wa macho wa takriban lumens 47 kwa kila wati. Inajumuisha ulinzi wa kutokwa umeme (ESD) wa hadi kV 8, ikiongeza uthabiti wake wakati wa usindikaji na usanikishaji. Kifaa hiki ni katika kiwango cha unyeti wa unyevu (MSL) 1, kinachomaanisha kuwa maisha yake ya kiwandani hayana kikomo chini ya hali ya ≤30°C/85% RH, na hivyo kurahisisha uhifadhi na usafirishaji. Zaidi ya hayo, inafuata maagizo ya RoHS (Vizuizi vya Vitu Hatari) na inatengenezwa kama sehemu isiyo na risasi (Pb-free).

Soko lengwa la LED hii ni pana, linajumuisha elektroniki za watumiaji, taa za kitaaluma na matumizi ya magari. Vipimo vyake muhimu vinaufanya ufumbuzi bora kwa matumizi yanayohitaji mwangaza wa juu, uaminifu wa juu na ukubwa mdogo.

2. Detailed Technical Parameters

2.1 Absolute Maximum Ratings

Viwango vya Juu Kabisa vinafafanua mipaka ya mkazo ya kifaa, kuzidi mipaka hii kunaweza kusababisha uharibifu wa kudumu. Viwango hivi vimebainishwa wakati joto la pedi (T_pedi) ni 25°C, na haipaswi kuzidi chini ya hali yoyote ya uendeshaji.

• Direct forward current (I_F):350 mA. This is the maximum continuous forward current that the LED can withstand.
• Peak pulse current (I_pulse):1500 mA. This high current is only allowed under specific pulse conditions: maximum pulse width of 400ms, maximum duty cycle of 10% (e.g., on for 400ms, off for 3600ms). This rating is crucial for flash/strobe applications.
• ESD withstand capability (Human Body Model):8000 V. This specifies the LED's robustness against electrostatic discharge.
• Reverse voltage (V_R):The datasheet clearly states that this LED series is not designed for reverse bias operation. Applying reverse voltage is not recommended.
• Junction Temperature (T_J):125 °C. The maximum allowable temperature for the semiconductor junction.
• Operating and Storage Temperature:The device can operate from -40°C to +85°C and can be stored from -40°C to +110°C.
• Power Dissipation (Pulse Mode):7.5 W. This is the maximum power the package can dissipate during pulse operation, dependent on thermal management.
• Soldering Temperature:260 °C, with a maximum of 2 reflow cycles allowed.
• Viewing Angle (2θ_1/2):130 digrii (±5°). Hii ndio pembe kamili wakati nguvu ya mwanga inapungua hadi nusu ya thamani ya kilele (katikati).

Maelezo Muhimu ya Ubunifu:Uendeshaji unaoendelea chini ya viwango vya juu vya ukubwa unaweza kusababisha uharibifu wa kudumu na kuzorota kwa vigezo. Haikubaliki kutumia vigezo vingi vya kiwango cha juu kwa wakati mmoja. Uendeshaji wa muda mrefu chini ya hali karibu na mipaka ya juu unaweza kusababisha matatizo ya uwezekano wa kuaminika. Upimaji wa kuaminika (saa 1000) unahakikisha vigezo vinafanywa ndani ya safu ya kupungua kwa IV chini ya 30%.

2.2 Electro-Optical Characteristics

Tabia hizi zilipimwa chini ya hali za kawaida (T_pedi=25°C, upana wa msukumo 50ms), na zinawakilisha utendaji wa kifaa.

• Mwangaza wa mwanga (Ф_v):Thamani ya chini 70 lm, thamani ya kawaida 85 lm. Katika I_FImepimwa kwa sasa ya 500mA, kiwango cha uvumilivu ni ±10%.
• Voltage ya mbele (V_F):Katika I_F=500mA, chini ya 2.95 V, juu ya 4.15 V. Kipimo cha uvumilivu ni ±0.1V. Voltage ya mbele imegawanywa katika viwango, angalia Sehemu ya 3 kwa maelezo zaidi.
• Joto la rangi linalohusiana (CCT):Katika I_F=500mA, anuwai kutoka 4500 K hadi 7000 K. Hii inashughulikia anuwai ya joto la rangi kutoka mwanga mweupe baridi hadi mwanga wa mchana.

2.3 Thermal Characteristics

Usimamizi bora wa joto ni muhimu kwa utendaji na maisha ya LED. Joto la kiungo lazima lishike chini ya 125°C. Mwongozo hutoa maelekezo maalum ya majaribio ya kuegemea chini ya mikondo tofauti ya kuendesha, ikisisitiza umuhimu wa kutumia bodi ya msingi inayofaa ya kupooza joto:

• Kwa jaribio la msukumo wa 1500 mA, inahitajika kutumia Bodi ya Mzunguko wa Kuchapishwa yenye Msingi wa Chuma (MCPCB) ya 1.0 x 1.0 cm² yenye usimamizi mzuri wa joto.
• For the 1000 mA test, use an FR4 substrate of the same size with good thermal management.
• A forward current derating curve is provided, showing how the maximum allowable continuous current decreases as the pad temperature increases. This curve is based on maintaining T_J(MAX)= 125°C.

3. Maelezo ya Mfumo wa Kugawa

To ensure consistency in mass production, LEDs are binned according to key parameters. The EHP-C04 employs a multi-parameter binning system.

3.1 Forward Voltage (V_FGrading

LEDs are categorized into four grades based on their forward voltage at 500mA:

• Grade 2932: V_F= 2.95V to 3.25V
• Grade 3235: V_F= 3.25V to 3.55V
• Grade 3538: V_F= 3.55V to 3.85V
• Bin 3841: V_F= 3.85V to 4.15V

This allows designers to select LEDs with similar electrical characteristics to ensure consistency in driver design and system performance.

3.2 Luminous Flux (Ф_vGrading

LEDs are binned according to their minimum luminous flux at 500mA:

• F7:70 lm to 80 lm
• F8:80 lm hadi 90 lm
• F9:90 lm hadi 100 lm
• J1:100 lm hadi 120 lm
• J2:120 lm hadi 140 lm
• J3:140 lm to 160 lm

The typical value of 85 lm belongs to bin F8. This binning ensures brightness uniformity in multi-LED applications.

3.3 Kugawa kwa Kuratibu za Rangi (Mwanga Mweupe)

White light chromaticity is defined on the CIE 1931 (x, y) chromaticity diagram. LEDs are divided into three main color bins, each corresponding to a CCT range:

• Color Bin (1) - 4550K:Covers 4500K to 5000K. Defined by a quadrilateral on the (x, y) diagram with specific corner coordinates.
• Color Bin (2) - 5057K:Covers 5000K to 5700K. Defined by its own set of corner point coordinates.
• Color Bin (3) - 5770K:Covers 5700K to 7000K. Defined by the third set of corner point coordinates.

Chromaticity coordinate measurement allows a deviation of ±0.01. All bins are defined under I_F=500mA, 50ms pulse operation. This precise binning is crucial for applications requiring consistent white point and color rendering.

4. Performance Curve Analysis

4.1 Forward Voltage vs. Forward Current (IV Curve)

The provided curve shows the forward voltage (V_F) and forward current (I_F). As is characteristic of LEDs, V_Fincreases with I_F, but not linearly. The curve starts at approximately 2.8V at very low current and rises to about 5.0V at 1500mA. This curve is crucial for designing current drive circuits, as it determines power consumption (V_F* I_F) and the required drive voltage headroom.

4.2 Luminous Flux vs. Forward Current

This curve describes the relative light output as a function of drive current. Light output increases sublinearly with current. While driving at higher currents produces more light, it also generates significantly more heat, reducing efficiency and potentially affecting lifespan. The curve shows that at higher currents (e.g., above 1000mA), the output begins to saturate, indicating diminishing returns and increased stress on the device.

4.3 Correlated Color Temperature (CCT) vs. Forward Current

CCT inaonyesha utegemezi kwa mkondo wa kuendesha. Kwa LED hii, CCT kwa kawaida huongezeka kidogo kwa mkondo, kutoka takriban 5600K kwenye mikondo ya chini hadi karibu 6000K kwenye 1500mA. Mabadiliko haya ni muhimu kwa matumizi yanayohitaji kudumisha halijoto ya rangi sawa katika viwango tofauti vya mwangaza.

4.4 Relative Spectral Distribution

Grafu ya Usambazaji wa Nguvu ya Wigo inaonyesha kilele pana cha mionzi kutoka eneo la mwanga wa bluu la chip ya InGaN (takriban 450-460 nm), pamoja na kilele pana zaidi cha mionzi ya fosforasi ya manjano. Wigo uliounganishwa hutoa mwanga mweupe. Umbo halisi na vilele huamua Kielelezo cha Uonyeshaji Rangi (CRI) cha LED, ingawa thamani maalum ya CRI haijatolewa kwenye hati hii ya maelezo.

4.5 Radiation Pattern

Muundo wa mionzi wa kuratibu polar kwa mhimili wa X na Y umetolewa. Muundo huu unakaribia usambazaji wa Lambert (kosine), ambao ni wa kawaida kwa LED zilizobuniwa kwa taa kuu za taa pana na sare. Pembe ya mtazamo ya digrii 130 imethibitishwa na muundo huu, ambapo nguvu hupungua hadi 50% ya thamani ya katikati kwenye ± digrii 65.

4.6 Forward Current Derating Curve

Hii ndicho chati muhimu cha usanidi wa joto. Inaonyesha uhusiano kati ya mkondo wa juu unaoruhusiwa unaoendelea na joto la pedi. Kadiri joto la pedi linavyoongezeka, mkondo wa juu salama hupungua kwa mstari. Kwa mfano, kwa joto la pedi la 75°C, mkondo wa juu unaoendelea hupunguzwa hadi takriban 300mA. Ni lazima kutumia mkunjo huu kuhakikisha LED inafanya kazi ndani ya kikomo chake salama cha joto la kiungo chini ya hali halisi za joto.

5. Mechanical and Packaging Information

5.1 Package Dimensions

EHP-C04 hutumia ufungaji wa kushikilia kwenye uso. Vipimo muhimu vilivyochukuliwa kutoka kwa michoro ya mtazamo wa juu na wa upande ni pamoja na:

• Vipimo vya jumla vya ufungaji: takriban 2.04 mm (urefu) x 1.64 mm (upana) x 0.75 mm (urefu).
• Eneo la Chip: Chipi inayotoa mwanga iko katikati ya ufungaji.
• Anode na Cathode Pads: Ufungaji una pads mbili za umeme. Anode na cathode zimewekwa alama wazi kwenye mchoro. Uwiano sahihi ni muhimu kwa uendeshaji.
• Kituo cha Macho: Hatua ambayo mhimili mkuu wa mwanga hutoka. Hii ni muhimu kwa usawazishaji wa mfumo wa macho.
• Mapungufu ya Ukubwa: Isipokuwa imeelezwa vinginevyo, mapungufu ya vipimo ni ±0.1 mm.

6. Soldering and Assembly Guidelines

LED hii inafaa kwa mchakato wa kuunganisha wa reflow wenye kiwango cha juu cha joto cha 260°C. Mzunguko wa reflow hadi mara mbili unaruhusiwa. Kiwango cha Unyeti wa Unyevu (MSL) ni 1, ambayo inamaanisha hakuna haja ya kukaanga kabla ya reflow kwa sababu ina maisha yasiyo na kikomo ya kiwanda chini ya hali ya ≤30°C/85% RH. Ikiwa kukaanga kunadhaniwa kuhitajika kwa sababu nyingine, hali ya kawaida ya JEDEC ya kuchovya (saa 168 kwenye 85°C/85% RH) inatumika. Wakati wa usanikishaji, tahadhari za kawaida za ESD zinapaswa kuzingatiwa kutokana na muundo nyeti wa semiconductor.

7. Packaging and Ordering Information

Kifaa hiki kinapatikana kwenye mfuko wa kuzuia unyevunyevu, unaofaa kwa usanikishaji wa kiotomatiki, na kwa kawaida huwasilishwa kwa njia ya mkanda wa kubeba na reel. Lebo ya bidhaa kwenye reel inajumuisha nambari ya bidhaa ya mteja (CPN), nambari ya sehemu ya mtengenezaji (P/N - EHP-C04/NT01H-P01/TR) na nambari ya kundi kwa ajili ya kufuatilia. Vipimo maalum vya mkanda wa kubeba vina rejelea ufafanuzi ulioko kwenye toleo la awali la maelezo ya vipimo.

8. Application Recommendations

8.1 Mandhari ya Kawaida ya Utumizi

• Flash ya Kamera ya Simu/Strobe:Uwezo wake wa juu wa mkondo wa msukumo (1500mA) na mtiririko mkubwa wa mwanga hufanya iwe chaguo bora kwa matumizi ya flash ya kamera katika vifaa vya mkononi na kamera za dijiti.
• Tochi:Inafaa kwa matumizi ya tochi katika vifaa kama vile tochi za mkononi na kamera za video za dijiti.
• Taa za mwanga wa jumla:Inaweza kutumika katika taa za mwanga wa ndani zinazohitaji chanzo cha mwanga chenye ukali na mwangaza, taa za mapambo, na taa za burudani.
• Taa za mwanga wa nyuma:Inafaa kwa vitengo vya mwanga wa nyuma vya TFT-LCD, hasa paneli ndogo au kama safu ya paneli kubwa.
• Taa za magari:Inafaa kwa matumizi ya ndani ya gari (dashboard, taa ya dari) na nje (taa za ziada, taa za ishara), mradi inakidhi mahitaji ya uthibitisho unaohusiana na magari.
• Ishara na taa za ishara:Ni chaguo bora kwa ishara za kutoka, taa za hatua, na ishara nyingine za mwongozo kutokana na mwangaza wake mkubwa na pembe pana ya kuona.

8.2 Mazingatio ya Ubunifu

• Thermal Management:This is the most critical design factor. Use a suitable PCB (MCPCB is recommended for high current/pulse operation) and ensure sufficient heat dissipation to minimize the pad temperature as much as possible. Please refer to the derating curve.
• Current Drive:Use a constant-current LED driver, not a constant-voltage source. The driver should be designed to handle the forward voltage bin range (2.95V-4.15V) and provide the required current (continuous or pulsed).
• Optics:ESD Protection:
• Although the LED has built-in ESD protection, implementing additional board-level ESD protection on sensitive lines is good practice.9. Ulinganishi wa Kiufundi na Tofauti

Ingawa hakuna kulinganishwa moja kwa moja na aina nyingine kwenye maelezo ya kiufundi, sifa zake muhimu za utofautishaji zinaweza kudhaniwa kutoka kwa maelezo ya EHP-C04:

Mwangaza Mwingi katika Ukubwa Mdogo:

• Kutoa mwangaza wa kawaida wa 85 lm kwenye kifurushi chenye urefu chini ya 2.1 mm ni faida kubwa kwa vifaa vidogo.Uwezo wa Juu wa Mkondo wa Pigo:
• Ukadiriaji wa pigo wa 1500mA (duty cycle 10%) ni juu sana kwa ukubwa wake, ikiwa imekusudiwa kwa matumizi ya flash ya kamera.Kiwango Kikubwa cha ESD:
• 8kV HBM ESD protection is a robust feature that enhances assembly yield and field reliability compared to LEDs with lower or unspecified ESD ratings.MSL Level 1:
• This simplifies inventory management and assembly processes compared to components with higher MSL levels that require baking.Comprehensive Binning:
• Three-parameter binning (Luminous Flux, V, Color) allows for very tight system performance matching, which is crucial for achieving uniform brightness and color in multi-LED arrays._F10. Frequently Asked Questions (Based on Technical Specifications)

Q1: Je, naweza kuendesha LED hii kwa 1000mA kwa mfululizo?

A1: The absolute maximum rating for DC forward current is 350mA. Continuous operation at 1000mA will exceed this rating and may cause rapid failure. The 1000mA and 1500mA ratings are only applicable for pulse operation and must strictly adhere to the conditions of a maximum pulse width of 400ms and a maximum duty cycle of 10%, requiring excellent thermal management (MCPCB).
Q2: What is the difference between the F8 and J1 luminous flux bins?

A2: The F8 bin guarantees a minimum luminous flux between 80 and 90 lm at 500mA. The J1 bin guarantees a higher minimum luminous flux, between 100 and 120 lm. Selecting a higher bin ensures greater minimum light output, but may come at a higher cost.
Q3: How to interpret the color binning chart?

A3: The chart on page 5 of the datasheet is the CIE 1931 chromaticity diagram. Each numbered bin (1, 2, 3) represents a quadrilateral area on the chart. The LEDs are tested, and their measured (x, y) color coordinates must fall within one of these defined areas. Bin 1 corresponds to warmer white light (~4550K), bin 2 to neutral white light (~5057K), and bin 3 to cooler white light (~5770K).
Q4: Why is there such a strong emphasis on thermal management?

A4: LED efficiency decreases as temperature increases (efficiency droop). More importantly, excessively high junction temperatures (above 125°C) accelerate degradation mechanisms such as phosphor thermal quenching and semiconductor defects, drastically shortening lifespan. Proper heat dissipation maintains performance and reliability.
Q5: What does "Moisture Sensitivity Level 1" mean for my production?

A5: MSL Level 1 inamaanisha sehemu hiyo inaweza kufichuliwa kwa hali ya kiwanda (≤30°C/85% RH) kwa muda usiojulikana, bila kunyonya unyevu hatari unaosababisha "popcorn effect" (ufa wa kifuniko) wakati wa ufungaji wa reflow. Hakuna haja ya kukaanga kabla ya matumizi, ikirahisisha mchakato wa usafirishaji.
11. Uundaji na Uchambuzi wa Kesi za Matumizi

Utafiti wa Kesi 1: Moduli ya Flash ya Kamera ya Simu ya Mkono

Mbunaji anabuni taa mbili za flash za LED kwa simu ya mkono. Wanachagua EHP-C04 kwa sababu ya pato lake la juu la msukumo na ukubwa mdogo. Wanabuni sehemu ndogo ya MCPCB ili kudhibiti joto linalotokana na msukumo wa 1500mA. Wanabainisha LED kutoka kwa kiwango kimoja cha mwanga (k.m. F8) na kiwango cha rangi (k.m. kiwango 2) ili kuhakikisha taa zote mbili za flash zinazalisha mwangaza na rangi sawa. IC ya kuendesha huchaguliwa kutoa msukumo wa 400ms ulio na wakati sahihi. Pembe ya upana ya digrii 130 inahakikisha ufunikaji mzuri wa eneo, bila haja ya kutumia lenzi ya kusambaza, ikihifadhi nafasi.
Uchambuzi wa Kesi 2: Tochi ya Mkono ya Kompakt yenye Lumeni Nyingi

Kwa tochi ya mkono ya kimtindo ya kompakt, lengo ni kufikisha pato la juu zaidi. Mbunaji hutumia EHP-C04 moja, ikiongozwa kwa kiwango chake cha juu cha kudumu cha 350mA. Kwa kutumia PCB ya msingi wa alumini inayochukua joto, kifuniko cha tochi hutumika kama kifaa cha kupoza joto. Mzunguko wa kuendesha unajumuisha maoni ya joto, kupunguza sasa ikiwa joto linazidi. Hali ya boriti pana inaongozwa kwa kutumia kioakisi cha parabolic kilicholinganishwa na kituo cha macho cha LED, ili kutoa doa lenye umakini lenye mwanga wa ziada muhimu.
12. Utangulizi wa Kanuni za Kiufundi

EHP-C04 ni LED nyeupe ya kubadilisha fosforasi. Inategemea chipu ya semikondukta ya InGaN, ambayo inatoa mwanga wa bluu (kawaida karibu 450-460 nm) wakati mkondo unapita. Chipu hii ya LED ya bluu imepakwa na safu ya fosforasi ya YAG:Ce. Sehemu ya mwanga wa bluu kutoka kwenye chipu hunyonywa na fosforasi, kisha hutolewa tena kama mwanga wa spektra mpana unaozingatia eneo la manjano. Mwanga mchanganyiko wa bluu uliobaki usiofunikwa na manjano yaliyobadilishwa unaotambuliwa na jicho la mwanadamu ndio mwanga mweupe. Uwiano halisi wa bluu na manjano unadhibitiwa na muundo na unene wa fosforasi, na huamua Joto la Rangi Linalohusiana (CCT) ya mwanga mweupe. Ikilinganishwa na njia mbadala za LED nyeupe, teknolojia hii inatawala katika tasnia kwa sababu ya ufanisi wake wa juu na michakato rahisi ya utengenezaji.

13. Mwelekeo wa Maendeleo ya Teknolojia

Uwanja wa LED nyeupe zenye nguvu kubwa unaendelea katika mwelekeo muhimu kadhaa, yote yakiwa na lengo la kuboresha utendaji, ubora, na anuwai ya matumizi. Ingawa EHP-C04 inawakilisha kifaa chenye utendaji bora, mwelekeo unaoendelea ni pamoja na:

Uboreshaji wa Ufanisi (Lumens kwa Watt):

• Utafiti unalenga kuboresha ufanisi wa ndani wa quantum wa chipu ya bluu ya InGaN, kuimarisha ufanisi wa uchimbaji wa mwanga kwenye ufungashaji, na kuendeleza fosforesheni yenye ufanisi zaidi zenye wigo nyembamba zaidi wa utoaji (k.m., kutumia nukta za quantum au fosforesheni za naitrojeni/oksinitrojeni) ili kupunguza hasara za Stokes.Uboreshaji wa Ubora wa Rangi:
• 超越冷白光，趋势是开发具有高显色指数（CRI >90，甚至>95）和可调CCT的LED，通常使用多荧光粉混合物或多个LED芯片（RGB或RGB+白光）。Uzito wa Nguvu Juu na Udogo:
• Utafutaji wa vifaa vidogo na vyangavu zaidi unaendelea. Hii inahusisha teknolojia za hifadhi ya kisasa, kama Chip Scale Package (CSP) na muundo wa Chip iliyogeuzwa, ili kuboresha njia ya joto na kupunguza ukubwa wa kifurushi ikilinganishwa na eneo linalotoa mwanga.Uimara Ulioimarishwa na Maisha ya Huduma:
• Maboresho ya nyenzo (tabaka za epitaxial, fosforasi, nyenzo za kufunga) na muundo wa kifurushi (kiingilio bora cha joto, kifurushi kilichofungwa hewa) yanasukuma maisha ya kiwango (L70/B50) kutoka maelfu ya masaa hadi kuzidi masaa 100,000.Uboreshaji Maalum kwa Matumizi:
• LED zinabinafsishwa kwa soko maalum kwa kiwango kikubwa. Kwa mfano, LED za tochi zimeboreshwa kwa mikondo ya juu sana ya msisimko na kupungua kwa kiwango cha chini, wakati LED za bustani zimebadilishwa kwa wigo maalum wa ukuaji wa mimea. Uainishaji kamili unaoonekana kwenye nyaraka za EHP-C04 ni sehemu ya mwelekeo huu wa kutoa vipengele sahihi na tayari kwa matumizi.LEDs are increasingly being tailored for specific markets. For example, flash LEDs are optimized for very high pulse currents and minimal droop, while horticultural LEDs are tuned to specific plant-growth spectra. The comprehensive binning seen in the EHP-C04 datasheet is part of this trend towards providing precise, application-ready components.