PMIC-LED Direba Chip Silk Screen LP8861QPWPRQ1 IC Integrated Circuit
LP8861-Q1 yana da zaɓi don fitar da p FET na waje don cire haɗin shigar da kayan aiki daga tsarin a yayin da ya faru da kuskure kuma ya rage inrush halin yanzu da amfani da wutar jiran aiki.Na'urar na iya ragewa
LED halin yanzu dangane da zafin jiki da aka auna tare da firikwensin NTC na waje don kare LED daga zafi mai zafi da tsawaita rayuwar LED.
Matsakaicin ƙarfin shigarwa don LP8861-Q1 yana daga 4.5 V zuwa 40 V don tallafawa tsayawar mota da farawa da yanayin juji.LP8861-Q1 yana haɗa babban gano kuskure da fasalulluka na kariya.
Halayen Samfur
| TYPE | BAYANI |
| Kashi | Haɗin kai (ICs) PMIC - Direbobin LED |
| Mfr | Texas Instruments |
| Jerin | Mota, AEC-Q100 |
| Kunshin | Tape & Reel (TR) Yanke Tape (CT) Digi-Reel® |
| Matsayin Sashe | Mai aiki |
| Nau'in | Mai sarrafa DC DC |
| Topology | SEPIC, Matakai (Ƙara) |
| Canjawa na ciki | Ee |
| Adadin abubuwan da aka fitar | 4 |
| Voltage - Kashe (min) | 4.5V |
| Voltage - Samfura (Max) | 40V |
| Voltage - Fitarwa | 45V |
| Yanzu - Fitowa / Tashoshi | 100mA |
| Yawanci | 300kHz ~ 2.2MHz |
| Dimming | PWM |
| Aikace-aikace | Motoci, Hasken baya |
| Yanayin Aiki | -40°C ~ 125°C (TA) |
| Nau'in hawa | Dutsen Surface |
| Kunshin / Case | 20-PowerTSSOP (0.173", Nisa 4.40mm) |
| Kunshin Na'urar Mai bayarwa | 20-HTSSOP |
| Lambar Samfurin Tushen | LP8861 |
Direban LED
Menene Direban LED?
Direban LED na'urar lantarki ce mai daidaita wutar lantarki wacce ke tafiyar da aikin yau da kullun na hasken LED ko taron ma'aunin LED.Saboda halaye halaye na LED PN junction, shi zai iya daidaita da irin ƙarfin lantarki da kuma halin yanzu bambance-bambancen da ikon samar da shi ne kunkuntar, a kadan sabawa iya ba zai iya haskaka LED ko haske yadda ya dace da aka tsanani rage, ko rage rayuwa. na guntu ko ma konewa.Kayayyakin wutar lantarki na masana'antu na yanzu da na yau da kullun na batir ba su dace da samar da wutar lantarki kai tsaye zuwa LEDs ba, kuma direban LED shine bangaren lantarki wanda zai iya fitar da LED don aiki a mafi kyawun ƙarfin lantarki ko na yanzu.
Aikace-aikace
Aikace-aikacen Direbobin LED.
Kamar yadda ake amfani da LEDs a kusan kowane yanki na aikace-aikacen lantarki, tare da kusan bambance-bambancen da ba za a iya faɗi ba a cikin ƙarfin haske, launi mai haske, da sarrafawar kunnawa / kashewa, direbobin LED sun zama na'urorin servo kusan ɗaya zuwa ɗaya, suna yin ga dangin na'urori daban-daban.Direban LED mafi sauƙi (idan za ku iya kiran shi) mai yiwuwa ɗaya ne ko da yawa silsila-daidaitacce abubuwan da ke cikin da'ira da ke rarraba halin yanzu da ƙarfin lantarki, kuma ba samfuri ne na tsaye ba kwata-kwata.Don ƙarin aikace-aikacen kasuwanci na gabaɗaya waɗanda ke buƙatar tsayayyen yanayin halin yanzu da fitarwar wutar lantarki, an haɓaka kewayon mafita na tsarin tare da madaidaicin damar kwandishan wuta.Ganewar waɗannan mafita sau da yawa yana buƙatar ƙira mai rikitarwa mai rikitarwa, ainihin abin da ke tattare da aikace-aikacen direban LED ICs.Ta hanyar kafa da'irori daban-daban na tallafi a gefen ICs direban LED, ana iya gina mafita don aikace-aikacen LED daban-daban, daga ƙaramin nunin wayar hannu na baya da masu kunna hasken maɓalli zuwa hasken titin LED mai ƙarfi da manyan nunin LED na waje.
Ƙirƙirar ƙira da samar da ƙarin manyan direbobin LED masu ƙarfi gabaɗaya ƙwararrun kamfanoni ne ke aiwatar da su.Waɗannan kamfanoni sun haɗa su cikin kayayyaki sannan su ba da su ga masana'antun samfuran amfani da ƙarshen LED.Muhimmancin mahimmancin direbobi na LED a cikin aikace-aikacen LED da kuma buƙatun masu amfani da yawa sun sa direban LED IC, zuciyar direban LED, wani maɓalli mai mahimmanci a cikin dukan sarkar fasaha.Direba shine ainihin bangaren hasken LED.Tare da balagaggen fasahar guntu na LED, ingancin hasken hasken LED ya zama abin dogaro sosai cewa a yawancin lokuta gazawar LED luminaires yana fitowa daga direba.
Bayani
LP8861-Q1 babban inganci ne na mota, ƙarancin EMI, mai sauƙin amfani da direban LED tare da haɗaɗɗen haɓakawa / mai sauya SEPIC.Yana da madaidaitan madaidaitan ninki huɗu na yanzu waɗanda zasu iya samar da ikon sarrafa haske mai girma tare da siginar shigarwar PWM.
Mai haɓakawa / SEPIC mai juyawa yana da ikon sarrafa wutar lantarki mai daidaitawa dangane da ƙarfin wutar lantarki na yanzu na LED na yanzu.Wannan fasalin yana rage yawan amfani da wutar lantarki ta hanyar daidaita wutar lantarki zuwa mafi ƙasƙanci isasshen matakin a kowane yanayi.Mai haɓakawa/SEPIC mai juyawa yana goyan bayan bakan bakan don sauya mitar da aiki tare na waje tare da kwazo fil.Mitar daidaitacce mai faɗi yana ba LP8861-Q1 damar guje wa tashin hankali ga rukunin rediyon AM.
LP8861-Q1 yana da zaɓi don fitar da p-FET na waje don cire haɗin shigar da kayan aiki daga tsarin a yayin da ya faru da kuskure da kuma rage inrush halin yanzu da amfani da wutar jiran aiki.Na'urar na iya rage LED halin yanzu dangane da zafin jiki da aka auna tare da firikwensin NTC na waje don kare LED daga zafi da tsawaita rayuwar LED.
Matsakaicin ƙarfin shigarwa don LP8861-Q1 yana daga 4.5 V zuwa 40 V don tallafawa tsayawar mota da farawa da yanayin juji.LP8861-Q1 yana haɗa babban gano kuskure da fasalulluka na kariya.
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