Select language

61-236-IC Top-Emitting RGB LED Driver Datasheet - P-LCC-6 Package - 5V Supply - 120° Viewing Angle - Simplified Chinese Technical Documentation

61-236-IC Full Technical Datasheet. This is a 3-channel RGB LED driver in a P-LCC-6 package, featuring 8-bit PWM control. Characteristics include a 120° wide viewing angle, a single-wire data protocol, and compliance with RoHS, REACH, and halogen-free standards.
smdled.org | Ukubwa wa PDF: 0.6 MB
Alama: 4.5/5
Ukadirio wako
Umekadiria hati hii tayari
PDF Document Cover - 61-236-IC Top Emission RGB LED Driver Datasheet - P-LCC-6 Package - 5V Supply - 120° Viewing Angle - Simplified Chinese Technical Document

1. Product Overview

61-236-IC ni kiendeshi cha LED cha usakinishaji wa uso chenye muunganisho mkubwa, kilichoundwa mahsusi kwa matumizi ya RGB yenye rangi kamili. Kinachanganya chipsi tatu za kujitegemea za LED (nyekundu, kijani, bluu) na IC maalum ya udhibiti ndani ya kifurushi kimoja cha P-LCC-6. Muunganisho huu unarahisisha muundo wa PCB, bila ya hitaji la vipengele vya nje vya kuendesha kwa kila njia ya rangi. Kifaa hiki kimeundwa kwa matumizi yanayohitaji mchanganyiko mkali wa rangi, athari za mwanga zinazobadilika, na utendakazi thabiti katika umbo dogo.

1.1 Core Advantages and Target Market

Faida kuu ya 61-236-IC iko katika urahisi wake wa kiwango cha mfumo. Inatumia itifaki ya uhamishaji data ya waya mmoja, ikipunguza kwa kiasi kikubwa idadi ya nyaya za udhibiti zinazohitajika kutoka kwa kidhibiti kidogo au kidhibiti kikuu ikilinganishwa na kiolesura cha kawaida cha LED cha RGB sambamba. Hii inaufanya kuwa suluhisho la gharama nafuu kwa miundo inayoweza kupanuliwa. Pembe yake ya upana ya digrii 120 inayopatikana kupitia kioakisi cha ndani na resini wazi, inahakikisha usambazaji sawa wa mwanga, na kuifanya kuwa chaguo bora kwa matumizi ya mabomba ya kuongoza mwanga na taa za mapambo ambazo mwonekano kutoka pembe nyingi ni muhimu sana.

Soko lengwa linajumuisha skrini za LED za rangi nyingi za ndani na nje, mkanda wa taa za mapambo na ujenzi, vifaa vya michezo, na matumizi yoyote yanayohitaji nukta za LED zinazoweza kuanzishwa na zenye rangi nyingi. Kifaa hiki kinakidhi viwango vya RoHS, REACH na bila halojeni, na kuhakikisha kinakidhi kanuni kali za kimataifa za mazingira na usalama.

2. Uchambuzi wa kina wa Vigezo vya Kiufundi

Sehemu hii inachambua kwa kina mipaka ya uendeshaji na sifa za utendaji wa kifaa chini ya hali zilizobainishwa.

2.1 Viwango vya Juu Kabisa

Viwango hivi vinabainisha mipaka ya mkazo ambayo inaweza kusababisha uharibifu wa kudumu wa kifaa. Uendeshaji katika au zaidi ya mipaka hii hauhakikishwi.

2.2 Electro-Optical Characteristics

Zilipimwa chini ya hali ya Ta=25°C, IF=5mA kwa kila njia, vigezo hivi vinabainisha sifa za mwanga unaotolewa na rangi.

2.3 Electrical Characteristics

Imefafanuliwa kwa Ta=-20~+70°C, Vdd=4.5~5.5V, Vss=0V.

3. Grading System Description

Mwongozo unadokeza mfumo wa kugawanya vigezo mbalimbali, ili kuhakikisha usawa wa rangi na mwangaza katika matumizi ya uzalishaji. Ingawa haujaelezewa kwa kina katika jedwali moja, lakini inaweza kudokezwa kutokana na anuwai ya vigezo kama ifuatavyo:

Wakati wa kuagiza, kwa kawaida unaweza kuomba msimbo maalum wa kikundi (CAT, HUE, REF) ili kufanana na mahitaji ya matumizi.

4. Uchambuzi wa Mkunjo wa Utendaji

The datasheet includes typical performance curves, providing insights into behavior beyond single-point specifications.

4.1 Usambazaji wa Wigo

The provided graph shows the relative luminous intensity of the red (RQH), green (GR), and blue (BY) chips across the visible spectrum. Key observations:

4.2 Radiation Pattern

"Radiation Pattern" inaelezea usambazaji wa anga wa mwanga. Curve ya LED yenye mtazamo mpana kama hii kawaida ni pana na inafanana na aina ya Lambert (usambazaji wa cosine), ikithibitisha vipimo vya digrii 120. Ukali ni wa juu zaidi inapotazamwa moja kwa moja kwenye mhimili (digrii 0), na hupungua kwa utaratibu kuelekea kingo (± digrii 60).

5. Mechanical and Packaging Information

5.1 Package Dimensions and Pin Configuration

The device is housed in a P-LCC-6 (Plastic Leaded Chip Carrier, 6-pin) package. The detailed dimension drawing specifies length, width, height, lead pitch, and pad size, with a general tolerance of ±0.1mm. This information is crucial for PCB pad design.

Ufafanuzi wa Pini:

  1. Vss:Kiunganishi cha kutia ardhini cha mzunguko wa ndani.
  2. NA:Haijaunganishwa / Hakuna kiunganishi cha ndani.
  3. Di:Control data signal input. Receives serial data stream.
  4. Do:Control data signal output. Transmits data stream to the next device in the daisy chain.
  5. NA:Haijaunganishwa / Hakuna kiunganishi cha ndani.
  6. Vdd:Positive power supply input (4.2V to 5.5V).
The pin configuration is symmetrical, which aids PCB layout. Pin 1 is typically marked by a dot or a notch on the package.

6. Soldering and Assembly Guide

6.1 Reflow Soldering Temperature Profile

Mwongozo hutoa mkunjo maalum wa joto wa reflow soldering isiyo na risasi:

Uangalizi Muhimu:Reflow soldering should not exceed two times to avoid excessive thermal stress on the package and wire bonds.

6.2 Storage and Moisture Sensitivity

The device is packaged in a moisture barrier bag with desiccant.

6.3 Vidokezo

7. Ufungaji na Taarifa za Kuagiza

7.1 Reel and Carrier Tape Specifications

Components are supplied in embossed carrier tape format, wound on reels for automated surface-mount assembly.

7.2 Label Information

Lebo ya reeli inajumuisha habari muhimu za kufuatilia na kukusanywa kwa usahihi:

8. Mapendekezo ya Ubunifu wa Matumizi

8.1 Typical Application Circuit

Uhakikisho unaonyesha saketi ya kawaida ya matumizi ya 5V. Kielezo cha Udhibiti Dogo (MCU) au kielezo maalum cha udhibiti hutuma data ya mfululizo kwa pini ya Din ya kiendesha kwanza cha LED. Pini ya Dout ya kila kiendesha imeunganishwa na pini ya Din ya inayofuata, na kuunda mnyororo wa daisy. Chanzo kimoja cha umeme (5V) kinatoa umeme kwa pini zote za Vdd, na pini zote za Vss zimeunganishwa kwenye ardhi. Inashauriwa kutumia kichujio kidogo cha RC (kwa mfano, upinzani wa 100Ω na uwezo wa 100nF) kwenye mstari wa data karibu na MCU, ili kukandamiza kelele za masafa ya juu na kuboresha uadilifu wa ishara, hasa katika minyororo mirefu au mazingira yenye kelele.

8.2 Data Protocol and Timing

The device uses a proprietary single-wire return-to-zero protocol.

The controller needs to generate precise timing, typically using a hardware timer or dedicated peripheral (such as SPI in a specific mode or carefully designed delay loops for bit-banging).

8.3 Long-chain Design Considerations

Kwa matumizi mengi ya vifaa vilivyounganishwa mfululizo (mfano, ukanda mrefu wa taa za LED):

9. Technical Comparison and Differentiation

Ikilinganishwa na suluhisho tofauti (LED ya RGB tofauti + kiendeshi cha mkondo wa kudumu cha nje au kipingamizi + mantiki ya kuzidisha njia nyingi), 61-236-IC inatoa faida kubwa:

Upungufu ni kwamba gharama ya kitengo kwa kila pikseli ni juu kidogo, na inategemea itifaki maalum ya mawasiliano.

10. Maswali Yanayoulizwa Mara kwa Mara (Kulingana na Vigezo vya Kiufundi)

10.1 Je, taa LED zinaweza kuunganishwa mfululizo hadi ngapi kwa upeo?

The specification does not stipulate rigid electrical limits. The actual limits are determined by the following factors:Data Timing:通过多个器件的累积传播延迟。对于非常长的链 (>500-1000),数据信号可能会劣化,需要信号调理或分段。 2.Power Distribution:Ili kuhakikisha kila kifaa kwenye mnyororo kinapata voltage ya kutosha (5V), ni muhimu kubuni baa ya usambazaji wa nguvu kwa uangalifu na kuweka sehemu nyingi za kuingiza.Mahitaji ya Kiwango cha Kufanya Upya:LED nyingi zaidi zina maana muda mrefu wa kusasisha sura, ambayo inaweza kuwa dhahiri ikiwa kiwango cha kufanya upya cha maudhui ya kienyezi kinashuka chini ya 60-100 Hz.

10.2 Je, naweza kuziendesha taa hizi za LED kwa kutumia 3.3V microcontroller?

Uhakiki unasema kiwango cha chini cha voltage ya pembejeo ya hali ya juu (VIH) ni 3.3V. Ishara ya mantiki ya hali ya juu ya 3.3V kutoka kwa microcontroller inakidhi kiwango hiki cha chini haswa. Hata hivyo, kufanya kazi kwenye ukingo wa maelezo hakuna ukingo wa kelele. Katika mazingira yenye viunganishi vifupi na yanayodhibitiwa, inaweza kufanya kazi. Kwa utendakazi unaotegemewa, hasa katika mnyororo mrefu au mazingira yenye kelele, inashauriwa kwa nguvu kutumia microcontroller ya 5V au kibadilishaji cha kiwango (mfano, MOSFET rahisi au IC maalum) kubadilisha ishara ya 3.3V kuwa ishara thabiti ya 5V.

10.3 Why is there a 5mA current limit? Can I increase the brightness?

Kikomo cha 5mA kimetatuliwa na muundo wa kiendesha mkondo wa ndani na sifa za joto/umeme za chipu ya LED iliyojumuishwa. Kuzidi kiwango hiki cha juu kabisa kuna hatari ya kupindukia kwa kiendesha IC au chipu ya LED, kusababisha kupungua kwa kasi kwa mtiririko wa mwanga (kuzorota kwa muda) au kushindwa kwa mshtuko. Mwangaza unapaswa kudhibitiwa kupitia uwiano wa wakati wa PWM wa biti 8 (0-255), na sio kwa kuongeza mkondo. Kwa mahitaji ya mwangaza wa juu zaidi, chagua bidhaa tofauti ya LED yenye kiwango cha juu cha mkondo.

11. Practical Application Examples

Scenario: Design a short addressable LED sign.The designer is creating a small sign with 50 independently controllable RGB pixels for displaying animations and text.

  1. Component Selection:61-236-IC ilichaguliwa kwa sababu ya kiendesha chake kilichojumuishwa, mtazamo mpana unaohakikisha kuonekana kuzuri na udhibiti rahisi wa mnyororo wa daisy.
  2. Ubunifu wa PCB:Mpangilio wa PCB unajumuisha pedi 50 za kifuniko cha P-LCC-6. Mstari wa data (Din/Do) umepangwa kutoka kwa kiunganishi cha MCU hadi kila pikseli kwa mpangilio. Tumia tabaka nene za usambazaji wa umeme wa 5V na ardhi. Weka capacitor kubwa ya 100µF na capacitors kadhaa za 0.1µF za kupunguza kelele karibu na sehemu ya kuingilia umeme.
  3. Programu thabiti:对MCU(例如ARM Cortex-M或ESP32)进行编程,以生成精确的1.2 µs位时序。一个缓冲区数组保存所有50个像素的24位颜色值。固件顺序传输1200位 (50 * 24),然后发送一个>50µs的低电平脉冲来锁存数据。
  4. Assembly:Place components using SMT equipment according to the specified reflow soldering profile. After assembly, test the sign by sending various color patterns to ensure all pixels respond correctly and synchronously.
Mfano huu unaonyesha ufanisi wa kutumia IC ya kiendeshi iliyojumuishwa katika muundo wa pikseli nyingi.

12. Kanuni ya Ufanyaji Kazi

61-236-IC inafanya kazi kulingana na kanuni ya uendeshaji rahisi na ya moja kwa moja. Ndani yake kuna kijihesabu cha kuhama na kifungo cha kuhifadhi kwa kila njia ya rangi. Mtiririko wa data wa mfululizo unaopokelewa kwenye pini ya Din unahamishwa ndani ya kijihesabu cha kuhama cha biti 24 kulingana na mpangilio wa kingo za ishara. Mara tu msukumo wa kuanzisha upya unapogunduliwa, yaliyomo kwenye kijihesabu cha kuhama huhamishiwa sambamba hadi kwenye vifungo vitatu vya kuhifadhi vya biti 8 (moja kwa nyekundu, kijani, na bluu). Thamani hizi za kifungo hudhibiti moja kwa moja uwiano wa wakati wa jenereta tatu huru za PWM. Kila jenereta ya PWM huendesha chanzo cha mkondo wa mara kwa mara kilichounganishwa na chipi yake ya LED (nyekundu, kijani, au bluu). Chanzo cha mkondo wa mara kwa mara kinahakikisha kuwa wakati ishara ya PWM iko katika hali ya juu, LED inapokea mkondo thabiti wa 5mA, bila kuathiriwa na mabadiliko madogo ya voltage ya mbele ya LED. Mchanganyiko wa rangi za msingi tatu zilizorekebishwa na PWM katika kila nukta hutoa rangi iliyochanganywa inayohitajika. Data pia inahamishwa nje wakati huo huo hadi kwenye pini ya Dout, ikiruhusu mtiririko huo wa data kuenea kwa ucheleweshaji mdogo hadi kifaa kinachofuata katika mnyororo.

13. Technology Trends

Devices like the 61-236-IC represent a mature and widely adopted approach in the field of addressable RGB LEDs. The trend in this field is moving towards higher integration and more intelligent features:

Kanuni za msingi za udhibiti uliojumuishwa na mawasiliano ya mfululizo bado ndio msingi, lakini utekelezaji unaendelea kubadilika ili kufikia utendakazi wa juu zaidi na matumizi mapya.

Maelezo ya Istilahi za Uainishaji wa LED

Ufafanuzi Kamili wa Istilahi za Teknolojia ya LED

I. Viashiria Muhimu vya Utendaji wa Kielektroniki na Mwanga

Terminology Unit/Representation Layman's Explanation Kwa Nini Ni Muhimu
Ufanisi wa Mwanga (Luminous Efficacy) lm/W (lumens per watt) The luminous flux emitted per watt of electrical power; the higher the value, the more energy-efficient. It directly determines the energy efficiency rating of the luminaire and the electricity cost.
Mfumko wa Mwanga (Luminous Flux) lm (lumeni) Jumla ya mwanga unaotolewa na chanzo cha mwanga, unaojulikana kwa jina la "mwangaza". Huamua kama taa inatosha kuwa na mwangaza.
Pembe ya kuona (Viewing Angle) ° (digrii), kama 120° Pembe ambayo mwangaza hupungua hadi nusu, huamua upana wa mwale. Inapata ushawishi kwenye eneo la mwanga na usawa wake.
Joto la rangi (CCT) K (Kelvin), kama 2700K/6500K Joto la rangi ya mwanga, thamani ya chini inaelekea manjano/joto, thamani ya juu inaelekea nyeupe/baridi. Huamua mazingira ya taa na matumizi yanayofaa.
Color Rendering Index (CRI / Ra) Unitless, 0–100 The ability of a light source to reproduce the true colors of objects; Ra≥80 is considered good. Inaathiri ukweli wa rangi, hutumika katika maeneo yenye mahitaji makubwa kama maduka makubwa, majumba ya sanaa.
Tofauti ya uvumilivu wa rangi (SDCM) MacAdam ellipse steps, such as "5-step" A quantitative indicator of color consistency; a smaller step number indicates better color consistency. Ensure no color difference among luminaires from the same batch.
Mdomo Mkuu (Dominant Wavelength) nm (nanometer), k.m. 620nm (nyekundu) Wavelength values corresponding to the colors of colored LEDs. Determines the hue of monochromatic LEDs such as red, yellow, and green.
Spectral Distribution Mkunjo wa Mzunguko wa Mwanga dhidi ya Nguvu Inaonyesha usambazaji wa nguvu za mwanga unaotolewa na LED katika kila mzunguko wa mwanga. Inapotosha uhalisi wa rangi na ubora wa rangi.

II. Vigezo vya Umeme

Terminology Ishara Layman's Explanation Mazingira ya Ubunifu
Forward Voltage (Forward Voltage) Vf The minimum voltage required to light up an LED, similar to a "starting threshold". The driving power supply voltage must be ≥ Vf; voltages add up when multiple LEDs are connected in series.
Mfuko wa Mbele (Forward Current) If The current value required for the LED to emit light normally. Constant current drive is commonly used, as the current determines brightness and lifespan.
Maximum Pulse Current Ifp Kilele cha mkondo kinachoweza kustahimili kwa muda mfupi, kinachotumika kwa kudimisha au kumulika. Upanaaji wa upana wa msukumo na uwiano wa kazi lazima udhibitiwe kwa uangalifu, vinginevyo kunaweza kuharibika kwa joto kupita kiasi.
Reverse Voltage Vr Upeo wa voltage ya nyuma ambayo LED inaweza kustahimili, ukizidi huo unaweza kusababisha kuvunjika. Katika mzunguko, ni muhimu kuzuia kuunganishwa kinyume au mshtuko wa voltage.
Upinzani wa Joto (Thermal Resistance) Rth (°C/W) Upinzani wa joto unaposogea kutoka kwenye chip hadi kwenye sehemu ya kuunganishia, thamani ya chini inaonyesha usambazaji bora wa joto. Upinzani wa juu wa joto unahitaji muundo wenye nguvu zaidi wa kupoza joto, vinginevyo joto la kiungo litaongezeka.
ESD Immunity V (HBM), kama 1000V Uwezo wa kupiga umeme tuli, thamani ya juu inamaanisha uwezo mdogo wa kuharibika na umeme tuli. Hatua za kinga dhidi ya umeme tuli zinahitajika katika uzalishaji, hasa kwa LED zenye usikivu mkubwa.

III. Thermal Management and Reliability

Terminology Key Indicators Layman's Explanation Athari
Joto la Kiungo (Junction Temperature) Tj (°C) The actual operating temperature inside the LED chip. For every 10°C reduction, the lifespan may double; excessively high temperatures cause lumen depreciation and color shift.
Lumen Depreciation L70 / L80 (hours) The time required for the brightness to drop to 70% or 80% of its initial value. Ufafanuzi wa moja kwa moja wa "maisha ya huduma" ya LED.
Lumen Maintenance % (e.g., 70%) The percentage of remaining brightness after a period of use. Characterizes the ability to maintain brightness after long-term use.
Mabadiliko ya Rangi (Color Shift) Δu′v′ au Mduara wa MacAdam Kiwango cha mabadiliko ya rangi wakati wa matumizi. Inaathiri uthabiti wa rangi katika eneo la taa.
Thermal Aging Material performance degradation Degradation of packaging materials due to prolonged high temperatures. Inaweza kusababisha kupungua kwa mwangaza, mabadiliko ya rangi au kushindwa kwa mzunguko wazi.

Nne. Ufungaji na Nyenzo

Terminology Aina za Kawaida Layman's Explanation Sifa na Matumizi
Aina za Ufungaji EMC, PPA, Ceramic A housing material that protects the chip and provides optical and thermal interfaces. EMC offers good heat resistance and low cost; ceramic provides superior heat dissipation and long lifespan.
Muundo wa Chip Usanidi wa Kawaida, Usanidi wa Kugeuzwa (Flip Chip) Chip electrode arrangement method. Flip-chip offers better heat dissipation and higher luminous efficacy, suitable for high-power applications.
Phosphor coating. YAG, silicate, nitride Coated on the blue LED chip, partially converted to yellow/red light, mixed to form white light. Fosfori tofauti huathiri ufanisi wa mwanga, halijoto ya rangi na ubora wa kuonyesha rangi.
Lens / Optical Design Plana, microlens, jumla ya kutafakari Optical structure on the packaging surface, controlling light distribution. Determines the emission angle and light distribution curve.

V. Udhibiti wa Ubora na Uainishaji

Terminology Yaliyomo ya Uainishaji Layman's Explanation Kusudi
Kikomo cha mwanga Msimbo kama 2G, 2H Group by brightness level, each group has a minimum/maximum lumen value. Ensure consistent brightness for products within the same batch.
Voltage binning Codes such as 6W, 6X Grouped by forward voltage range. Inafaa kwa usawa wa chanzo cha umeme cha kuendesha, kuboresha ufanisi wa mfumo.
Kugawanya kwa makundi kulingana na rangi 5-step MacAdam ellipse Group by color coordinates to ensure colors fall within an extremely narrow range. Ensure color consistency to avoid color unevenness within the same luminaire.
Color Temperature Grading 2700K, 3000K, etc. Group by color temperature, each group has a corresponding coordinate range. Kukidhi mahitaji ya joto la rangi kwa matukio tofauti.

Sita, Upimaji na Uthibitisho

Terminology Standard/Test Layman's Explanation Significance
LM-80 Lumens Maintenance Test Long-term operation under constant temperature conditions, recording luminance attenuation data. For estimating LED lifetime (in conjunction with TM-21).
TM-21 Lifetime projection standard Projecting lifespan under actual use conditions based on LM-80 data. Providing scientific life prediction.
IESNA Standard Illuminating Engineering Society Standard Covers optical, electrical, and thermal testing methods. Msingi wa upimaji unaokubaliwa na tasnia.
RoHS / REACH Uthibitisho wa Mazingira Hakikisha bidhaa hazina vitu hatari (kama risasi, zebaki). Masharti ya kuingia kwenye soko la kimataifa.
ENERGY STAR / DLC Uthibitisho wa ufanisi wa nishati Uthibitishaji wa ufanisi wa nishati na utendaji kwa bidhaa za taa. Inatumika kwa kawaida katika ununuzi wa serikali na miradi ya ruzuku, kuimarisha ushindani wa soko.