LSHD-5601 LED Digital Tube Datasheet - 0.56-Inch Character Height - Green Segment - 2.6V Forward Voltage - 75mW Power Consumption - Technical Documentation

1. Product Overview

LSHD-5601 is a single-digit numeric display, utilizing a seven-segment plus decimal point LED display module. Its character height is 0.56 inches (14.22 mm), making it suitable for applications requiring clear, medium-sized numeric readouts. The device employs green LED chip technology, specifically GaP epitaxial layers on a GaP substrate and AlInGaP technology on a non-transparent GaAs substrate, producing its signature green segment illumination against a gray panel background. This combination provides high contrast, thereby enhancing readability.

1.1 Core Features and Advantages

• Character Height:0.56 inches (14.22 mm) standard size.
• Segment Uniformity:Ilifanywa kwa uangalifu ili kuhakikisha mwonekano wa mwangaza unaoendana kikamilifu kwa sehemu zote za maonyesho.
• Ufanisi wa Nishati:Imebuniwa kwa mahitaji ya matumizi ya nishati ya chini, na kuimarisha ufanisi wa matumizi ya mwisho.
• Utendaji wa Kioo:Provides high brightness and high contrast to ensure clear visibility.
• Viewing Angle:Provides a wide viewing angle to ensure clear readability from different positions.
• Uaminifu:Shukrani kwa uaminifu thabiti wa asili ya teknolojia ya LED.
• Kundi:Bidhaa hupangwa kulingana na nguvu ya mwanga ili kuhakikisha uthabiti wa utendaji.
• Uzingatiaji wa mazingira:Inatumia ufungashaji usio na risasi unaolingana na Maagizo ya RoHS.

1.2 Usanidi wa Kifaa

LSHD-5601 is configured as a common anode digital tube. The specific model indicates a green digital tube with a right-side decimal point. This configuration simplifies circuit design when using a common positive voltage power supply system.

2. Vigezo vya Kiufundi: Ufafanuzi wa kina na usio na upendeleo

2.1 Absolute Maximum Ratings

These ratings define the limits beyond which permanent damage to the device may occur. Operation should always be maintained within these limits.

• Average Power Dissipation per Point:75 mW. This is the maximum continuous power that a single segment (dot) can withstand.
• Peak Forward Current per Segment:60 mA. This current is allowed under pulse conditions (1/10 duty cycle, 0.1ms pulse width) when used in a multiplexing scheme.
• Average forward current per point:25 mA. The maximum recommended continuous DC current for reliable operation.
• Forward current derating:0.28 mA/°C. Zaidi ya 25°C, mkondo unaoruhusiwa wa juu unaendelea lazima upunguzwe kwa kiwango hiki ili kudhibiti mkazo wa joto.
• Masafa ya halijoto ya kufanya kazi na kuhifadhi:-35°C hadi +105°C.
• Masharti ya kuchomelea:260°C, kwa sekunde 3, ncha ya chuma ya kuchomea iko chini ya 1/16 inchi (takriban 1.6 mm) chini ya ndege ya usakinishaji wa kifaa cha kuonyesha.

2.2 Electrical and Optical Characteristics

Hizi ni vigezo vya kawaida vya utendaji vilivyopimwa kwenye joto la mazingira (Ta) la 25°C.

• Nguvu ya wastani ya mwanga (I_V):Katika I_F=10 mA, 800 (kiwango cha chini), 2400 (kiwango cha kawaida) μcd. Hii inawakilisha pato la mwanga. Kwa tundu la nambari la ukubwa huu, kiwango cha kawaida ni mkali kwa kiasi kikubwa.
• Peak emission wavelength (λ_p):Katika I_F565 nm (typical) at 20 mA. This is the wavelength at which the emission intensity is highest, located in the green region of the spectrum.
• Spectral line half-width (Δλ):30 nm (typical). A measure of spectral purity; a smaller value indicates light closer to monochromatic.
• Wavelength kuu (λ_d):569 nm (kawaida). Upeo wa mwanga mmoja unaotambuliwa na jicho la binadamu, unaofafanua rangi.
• Voltage ya mbele kwa kila sehemu (V_F):Katika I_F=20 mA, 2.1 (kiwango cha chini), 2.6 (kawaida) V. Kupungua kwa voltage wakati sehemu ya LED inawashwa. Muundo wa saketi lazima uzingatie thamani ya juu zaidi.
• Sasa ya nyuma kwa kila sehemu (I_R):In V_R=5V, 100 μA (max). Small leakage current when reverse voltage is applied. Note: Continuous reverse bias operation is not allowed.
• Luminous intensity matching ratio:2:1 (max). The maximum allowable ratio between the brightest and dimmest segments within a single digit, ensuring uniform appearance.

Maelezo ya Kipimo:Nguvu ya mwanga hupimwa kwa kutumia mchanganyiko wa sensoru na kichujio kinachokaribia mkunjo wa majibu ya kuona ya wazi ya CIE. Uingiliano kati ya sehemu za msimbo umebainishwa kuwa ≤ 2.5%.

3. Binning System Description

The datasheet clearly states that these digital tubesare graded according to luminous intensity.This is a critical process for quality control and matching.

• Purpose:Kugawa vichanganuzi vya nambari vilivyo na mwanga unaotoka sawa (kwa μcd) katika makundi. Hii inahakikisha kwamba wakati vichanganuzi vingi vya nambari vinatumika kwa upande kwa upande katika matumizi (kwa mfano, hesabu za tarakimu nyingi), mwangaza wao ni sawa kwa mtumiaji.
• Mapendekezo ya Matumizi:在TahadhariMapendekezo ya ziada, wakati wa kukusanya vitengo viwili au zaidi kwa programu, chagua maonyesho ya nambari kutoka kwa kikundi sawa cha nguvu ya mwanga ili kuepuka tatizo la kutofautiana kwa rangi na mwangaza.
• Vigezo vingine:Ingawa haijatajwa wazi kwa ajili ya kugawanya katika vikundi, voltage ya mbele (V_F) na wavelength kuu (λ_d) pia ni vigezo vya kawaida vya kugawanya katika tasnia ya LED, ili kuhakikisha uthabiti wa umeme na rangi. Kwa matumizi muhimu, wabunifu wanapaswa kushauriana na msimbo maalum wa kugawanya wa mtengenezaji.

4. Uchambuzi wa Mkunjo wa Utendaji

Maelezo ya uainishaji yanarejeleaTypical Electrical/Optical Characteristic Curves. Although the provided text does not specify the detailed charts, standard curves for such devices typically include:

• I-V (Current-Voltage) Curve:Inaonyesha uhusiano kati ya mkondo wa mwelekeo chanya (I_F) na voltage ya mwelekeo chanya (V_F). Inaonyesha sifa za kipeo za kuwasha kwa diode ya LED. Wasanidi hutumia mkunjo huu kuchagua upinzani unaofaa wa kudhibiti mkondo au kubuni kichocheo cha mkondo thabiti.
• Nguvu ya mwanga dhidi ya mkondo wa mwelekeo chanya (I_V vs. I_F):Inaonyesha jinsi pato la mwanga linavyobadilika kwa kuongezeka kwa mkondo, kwa kawaida huwa na uhusiano wa takriban mstari ndani ya safu ya uendeshaji. Hii inasaidia katika udhibiti wa mwangaza.
• Nguvu ya mwanga dhidi ya joto la mazingira (I_V dhidi ya T_a):Inaelezea jinsi pato la mwanga linavyopungua kwa kuongezeka kwa joto la mazingira. Hii ni muhimu kwa matumizi yanayofanya kazi katika mazingira ya joto la juu.
• Usambazaji wa wigo:A plot of relative intensity versus wavelength, showing a peak at ~565nm and a spectral linewidth of ~30nm, confirming green light emission.

5. Taarifa za Mitambo na Ufungaji

5.1 Package Dimensions

This digital tube adopts a standard 10-pin dual in-line package configuration. Key dimension specifications:

• All dimensions are in millimeters.
• Unless otherwise specified, the general tolerance is ±0.25 mm.
• The pin tip offset tolerance is ±0.4 mm to account for placement variation.

5.2 Internal Circuit Diagram and Pin Connections

The internal circuit diagram shows a common anode configuration. All segment anodes (A-G, DP) are internally connected to one of the two common anode pins (Pin 3 and Pin 8), which are also connected to each other. Each segment cathode has its dedicated pin.

Pin Definitions:

1. Cathode E
2. Cathode D
3. Common Anode
4. Cathode C
5. Cathode DP (Decimal Point)
6. Cathode B
7. Cathode A
8. Common Anode
9. Cathode F
10. Cathode G

6. Soldering and Assembly Guide

6.1 Vigezo vya Uchimbaji

Masharti yanayopendekezwa ya kuchomea: 260°C, kwa sekunde 3, ncha ya chuma cha kuchomea iwe angalau milimita 1.6 (inchi 1/16) chini ya utepe wa usakinishaji wa kiolezo cha nambari, ili kuzuia uharibifu wa joto kwa plastiki na LED.

6.2 Tahadhari za Matumizi (Mazingatio Muhimu ya Ubunifu)

• Drive Circuit Design:To achieve consistent performance and lifespan,It is recommended to use constant current drive.. Ubunifu wa saketi lazima ufanane na V_Fanuwai kamili (2.1V hadi 2.6V), ili kuhakikisha mkondo unaotarajiwa wa kuendesha unapatikana kila wakati.
• Mkondo dhidi ya joto:Kuendesha zaidi ya mkondo uliopendekezwa au kufanya kazi kwenye joto la juu linaweza kusababisha kupungua kwa mwanga kwa kiwango kikubwa au kushindwa mapema. Katika hali ya joto la juu la mazingira, mkondo wa usalama wa uendeshaji lazima upunguzwe.
• Ulinzi:Mzunguko wa kiendeshi unapaswa kujumuisha ulinzi dhidi ya voltage ya kinyume na mwinuko wa voltage wa muda mfupi wakati wa kuwasha/kuzimisha.Upendeleo wa kinyume unapaswa kuepukwa kabisa., as it may cause metal migration, increase leakage current, or lead to a short circuit.
• Mechanical Operation:Avoid applying abnormal force to the digital tube body using inappropriate tools or methods.
• Condensation:Avoid rapid changes in ambient temperature in humid environments to prevent condensation from forming on the digital tubes.
• Filter/Cover Installation:Ikiwa unatumia gundi nyeti-msukumo kuambatisha filamu ya muundo, epuka kuikandamiza moja kwa moja kwenye paneli ya mbele/ kifuniko, kwani nguvu za nje zinaweza kuisogeza.

7. Storage Conditions

Uhifadhi sahihi ni muhimu ili kuzuia oksidi kwenye pini.

• Kwa LED Display (Through-hole):Hifadhi kwenye mfuko wa asili. Masharti yanayopendekezwa: halijoto 5°C hadi 30°C, unyevu chini ya 60% RH. Haipendekezwi kuhifadhi kwa muda mrefu kwa wingi mkubwa.
• Kwa SMD LED Display (Mwongozo wa Jumla):
  • Ndani ya mfuko uliofungwa vizuri:5°C至30°C，<60% RH。
  • Mfuko uliofunguliwa:5°C至30°C，<60% RH，在168小时内使用（MSL Level 3）。
  • If opened for more than 168 hours, bake at 60°C for 24 hours before soldering.
• General Shelf Life:Inashauriwa kutumia taa za nambari ndani ya miezi 12 baada ya tarehe ya usafirishaji, na hazipaswi kufichuliwa kwa mazingira yenye unyevunyevu mwingi au gesi za kutu.

8. Mapendekezo ya Utumizi

8.1 Soko Lengwa na Utumizi wa Kawaida

Hii nambari ya dijiti inafaa kwavifaa vya kawaida vya elektroniki, ikijumuisha:

• vifaa vya ofisi (vikokotozi, saa za meza).
• Vifaa vya mawasiliano.
• Vifaa vya nyumbani (tanuri ya miale, tanuri, kipima saa cha mashine ya kuosha nguo).
• Industrial Control Panel (Simple Counter, Timer).
• Test and Measurement Equipment.

Important Note:Kwa matumizi ambayo hitilafu inaweza kuhatarisha maisha au afya (anga, matibabu, mifumo ya usalama), ni lazima kushauriana na mtengenezaji mapema. Mtengenezaji hawalipi madai kwa uharibifu unaosababishwa na kutotii viwango na maelekezo.

8.2 Design Considerations and Best Practices

1. Kikomo cha Mkondo:Always use a series resistor or constant current driver to set the segment current. Calculate the resistor value based on the supply voltage and the maximum V_FCalculate the resistor value.
2. Multiplexing:Kwa matumizi ya tarakimu nyingi, kuchanganya njia nyingi ni jambo la kawaida. Hakikisha mkondo wa kilele katika mpango wa kuchanganya njia nyingi hauzidi thamani ya kawaida ya 60mA, na mkondo wa wastani unabaki ndani ya kikomo cha 25mA.
3. Usimamizi wa joto:Katika nafasi iliyofungwa au hali ya joto ya juu ya mazingira, fikiria kipengele cha kupunguza mkondo (0.28 mA/°C). Toa uingizaji hewa wa kutosha inapohitajika.
4. Viewing Angle:Pembe pana ya mtazamo inaruhusu uwekaji mbadala ndani ya kifuniko cha bidhaa ya mwisho.
5. Grading for Multi-digit Use:As repeatedly emphasized, to achieve a uniform appearance in multi-digit arrays, the seven-segment displays should be sourced from the same luminous intensity grading.

9. Technology Comparison and Positioning

Ingawa maelezo ya uainishaji hayatoi kulinganisha moja kwa moja na aina nyingine, lakini inaweza kudokezwa sifa muhimu za utofautishaji za LSHD-5601:

• Ikilinganishwa na maonyesho ya tarakimu madogo zaidi (kwa mfano inchi 0.3):Kutokana na urefu mkubwa wa herufi zake wa inchi 0.56, hutoa uonekano bora katika umbali wa mbali.
• Ikilinganisha na nambari ya nyekundu au ya manjano:LED ya kijani kwa ujumla huonekana mkali zaidi kwa macho ya binadamu, na inaweza kuwa na sifa tofauti za voltage ya mbele (V_F~2.6V, wakati LED nyingi nyekundu ni ~1.8-2.2V).
• Ikilinganisha na nambari ya cathode ya pamoja:Common anode configuration has advantages in systems where the microcontroller sinks current (driving pin is low) to activate segments, which is a common setup.
• Advantages:High brightness, excellent uniformity (via binning), wide viewing angle, and RoHS compliance are its core advantages.

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

1. Swali: Madhumuni ya pini mbili za anode za umma (3 na 8) ni yapi?
   Jibu: Zimeunganishwa ndani. Kuwa na pini mbili hutoa uthabiti wa kiufundi, usambazaji bora wa mkondo, na kuruhusu mwendelezo wa mpangilio wa PCB (uwezo wa kuunganisha nguvu kutoka upande wowote).
2. Swali: Naweza kutumia chanzo cha umeme cha 5V kuendesha kipande hiki cha nambari?
   Jibu: Ndiyo, lakini lazima uunganishe upinzani wa kudhibiti mkondo kwenye kila sehemu ya sehemu. Kwa mkondo wa lengo wa 10mA na V ya kawaida_Fya 2.6V, thamani ya upinzani inapaswa kuwa R = (5V - 2.6V) / 0.01A = 240 Ω. Daima hesabu kwa hali mbaya zaidi (V ya chini kabisa)_Fili kuepuka kuzidi kikomo cha mkondo.
3. Swali: Kwa nini upendeleo wa kinyume ni hatari sana kwa LED hii?
   Jibu: Kutumia voltage ya kinyume (hata 5V inayotumiwa kwa I_Rmajaribio) inaweza kusababisha uhamaji wa umeme wa atomi za metali ndani ya kiungo cha semiconductor, na kusababisha ongezeko la mkondo wa uvujaji au mfupi wa kudumu. Mwongozo unakataza wazi uendeshaji endelevu wa kinyume.
4. Swali: Je, viwango tofauti vya mwangaza vinapatikanaje?
   Jibu: Mwangaza husimamiwa kimsingi kupitia mkondo wa mbele (I_F). Kutumia PWM (Kurekebisha Upana wa Pampu) kwenye kiendeshi cha mkondo wa kudumu ndiyo njia bora zaidi ya kudimiza mwanga, kwani inashikilia uthabiti wa rangi, tofauti na kupunguza voltage/mkondo wa analogi.

11. Mifano Halisi ya Matumizi

Scenario: Design a simple 4-digit incremental timer for laboratory equipment.

1. Component Selection:Chagua nne za LSHD-5601 za maonyesho ya nambari, kwa sababu ya uwazi na ukubwa unaofaa.
2. Ubunifu wa saketi:Chagua kifaa cha udhibiti cha micro chenye pini za I/O zinazotosha. Ubunifu unatumia usanidi wa anode ya pamoja, kwa hivyo pini za bandari ya kifaa cha udhibiti cha micro zimeunganishwa kwa cathode za sehemu (kupitia upinzani wa kuzuia mkondo). Pini ya anode ya pamoja ya kila kionyeshi cha nambari imeunganishwa kwa transistor ya PNP (au MOSFET ya njia-N), ambayo inadhibitiwa na pini tofauti ya kifaa cha udhibiti cha micro, kwa ajili ya kuzidisha.
3. Hesabu ya mkondo:Kwa muundo wa kuzidisha wenye tarakimu 4 (uwiano wa kazi 1/4), ili kufikia mkondo wa wastani wa sehemu ya 10mA, mkondo wa kilele katika kipindi halisi kitakuwa 40mA. Hii iko ndani ya kiwango cha kilele cha 60mA. Hesabu upinzani ipasavyo: R = (V_{Chanzo cha Umeme}- V_{F_max}- V_{CE_saturation}) / I_Peak.
4. Kundi:When ordering all four seven-segment displays, specify the same luminous intensity bin code to ensure uniform brightness across the timer.
5. Software:Firmware ya microcontroller inazunguka kuskeni kila kisanduku cha nambari, kuwasha transistor inayofaa, na kuwasha sehemu za mwanga zinazohitajika kwa kisanduku hicho kwa wakati uliokokotwa, ili kufikia uwiano unaohitajika wa mzunguko na kuepuka kuwaka na kuzima kwa haraka.

12. Utangulizi wa Kanuni ya Uendeshaji

LSHD-5601 inategemeaDiodi Inayotoa Mwanga (LED)Technology. When a forward voltage exceeding the diode's turn-on threshold (approximately 2.1-2.6V for these green LEDs) is applied across the segment terminals, electrons and holes recombine within the active semiconductor region (a p-n junction made of GaP or AlInGaP material). This recombination process releases energy in the form of photons (light). The specific semiconductor material composition determines the wavelength (color) of the emitted light—in this case, green (~569 nm). The seven segments (A-G) and the decimal point (DP) are individual LED chips spatially arranged to form numeric characters. Electrically connecting them in a common-anode configuration allows for efficient control via a microcontroller.

13. Mwelekeo wa Teknolojia na Mazingira

While discrete seven-segment LED displays like the LSHD-5601 remain critical for specific applications requiring simple, reliable, and highly visible numeric readouts, the broader industry trend is evident:

• Ujumuishaji:Tasnia inaelekea kwenye moduli za tarakimu nyingi zilizojumuishwa au maonyesho ya gridi yanayodhibitiwa kupia kiolesura cha mfululizo (I2C, SPI), na hivyo kupunguza idadi ya I/O za kidhibiti kidogo na vipengele vya kuendesha.
• Nyenzo za hali ya juu:As described in this specification, the use of AlInGaP (Aluminum Indium Gallium Phosphide) to manufacture green and red LEDs represents an advancement over the older GaP technology, offering higher efficiency and brightness.
• Application Shift:For complex alphanumeric or graphical information, LCDs, OLEDs, and TFTs are more common. However, LED digital tubes maintain strong advantages in environments requiring high brightness, operation across a wide temperature range, long lifespan, and simplicity—ensuring their continued relevance in the industrial, home appliance, and instrumentation markets.
• Encapsulation:The lead-free, RoHS-compliant package of LSHD-5601 reflects the global environmental regulatory trend affecting all electronic components.