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ibicuruzwa

PMIC-LED Umushoferi Chip Silk Mugaragaza LP8861QPWPRQ1 IC Yuzuzanya

ibisobanuro bigufi:

LP8861-Q1 ni imodoka ikora neza, EMI yo hasi, byoroshye-gukoresha-shoferi ya LED hamwe no kuzamura / SEPIC ihindura.Ifite ibyuma bine bihanitse cyane bishobora gutanga urugero rwinshi rwo kugereranya urumuri hamwe na PWM yinjiza.
Iterambere / SEPIC ihindura ifite imiyoboro iva mu kirere igenzurwa na LED igezweho yo mu cyumba cyo hejuru.Iyi mikorere igabanya ingufu zikoreshwa muguhindura voltage kurwego rwo hasi bihagije mubihe byose.Iterambere / SEPIC ihindura ishyigikira gukwirakwiza spekure yo guhinduranya inshuro hamwe no guhuza hanze hamwe na pin yabigenewe.Umuyoboro mugari ushobora guhindurwa utuma LP8861-Q1 yirinda guhungabanya umurongo wa radio AM.


Ibicuruzwa birambuye

Ibicuruzwa

LP8861-Q1 ifite uburyo bwo gutwara p FET yo hanze kugirango ihagarike itangwa ryinjira muri sisitemu mugihe habaye ikosa no kugabanya inrush ikoresha kandi ikoresha ingufu.Igikoresho kirashobora kugabanuka
LED ikoresha ubushyuhe bupimye hamwe na sensor ya NTC yo hanze kugirango irinde LED ubushyuhe bwinshi kandi yongere ubuzima bwa LED.
Iyinjiza rya voltage intera ya LP8861-Q1 ni kuva 4.5 V kugeza 40 V kugirango ishyigikire ibinyabiziga bihagarara / gutangira no gutwara ibintu byajugunywe.LP8861-Q1 ihuza ibintu byinshi byo kumenya no kurinda ibintu.

Ibiranga ibicuruzwa

UBWOKO

GUSOBANURIRA

Icyiciro

Inzira zuzuye (IC)

PMIC - Abashoferi ba LED

Mfr

Ibikoresho bya Texas

Urukurikirane

Imodoka, AEC-Q100

Amapaki

Tape & Reel (TR)

Kata Tape (CT)

Digi-Reel®

Igice

Bikora

Andika

Umuyobozi wa DC DC

Topologiya

SEPIC, Intambwe-Hejuru (Boost)

Guhindura Imbere

Yego

Umubare w'Ibisohoka

4

Umuvuduko - Gutanga (Min)

4.5V

Umuvuduko - Gutanga (Max)

40V

Umuvuduko - Ibisohoka

45V

Ibiriho - Ibisohoka / Umuyoboro

100mA

Inshuro

300kHz ~ 2.2MHz

Dimming

PWM

Porogaramu

Imodoka, Itara

Gukoresha Ubushyuhe

-40 ° C ~ 125 ° C (TA)

Ubwoko bwo Kuzamuka

Umusozi

Ipaki / Urubanza

20-PowerTSSOP (0.173 ", Ubugari bwa 4.40mm)

Ibikoresho byo gutanga ibikoresho

20-HTSSOP

Umubare wibicuruzwa shingiro

LP8861

LED Umushoferi

Umushoferi wa LED ni iki?

Umushoferi wa LED nigikoresho cya elegitoroniki cyahinduwe nimbaraga zitwara imikorere isanzwe yumucyo LED cyangwa inteko ya LED.Bitewe nibiranga imiyoboro ya LED PN ihuza, irashobora guhuza na voltage kandi itandukaniro ryubu ryumuriro w'amashanyarazi ni rito cyane, gutandukana gake ntigushobora gucana LED cyangwa imikorere yumucyo iragabanuka cyane, cyangwa kugabanya ubuzima ya chip cyangwa niyo yatwitse.Amashanyarazi agezweho yinganda hamwe nibisanzwe bitanga ingufu za batiri ntibikwiye kugemurwa bitaziguye LED, kandi umushoferi wa LED nikintu cya elegitoroniki gishobora gutwara LED gukora kuri voltage nziza cyangwa ikigezweho.

Porogaramu

Porogaramu ya LED Abashoferi.
Nkuko LED ikoreshwa hafi ya buri gice cyibikoresho bya elegitoroniki, hamwe nuburyo butandukanye butateganijwe muburyo bukomeye bwumucyo, ibara ryumucyo, no kuri / kuzimya, abashoferi ba LED babaye ibikoresho bya servo hafi ya imwe, bigatuma umuryango wibikoresho bitandukanye.Umushoferi woroheje wa LED (niba ushobora kubyita ko) birashoboka ko arimwe cyangwa byinshi bikurikirana-bigereranya ibice birwanya ibice byumuzunguruko ugabanya amashanyarazi na voltage, kandi ntabwo aribicuruzwa byonyine na gato.Kubindi bikorwa rusange byubucuruzi bisaba guhora bihoraho hamwe na voltage isohoka, urutonde rwibisubizo bya sisitemu hamwe nubushobozi bwuzuye bwo gutondekanya ingufu byatejwe imbere.Kumenyekanisha ibyo bisubizo akenshi bisaba igishushanyo mbonera cyumuzunguruko, intandaro yacyo ni uguhuza ikoreshwa rya LED ya shoferi ya IC.Mugushiraho imirongo itandukanye yingoboka kuri peripheri ya LED yumushoferi wa LED, ibisubizo birashobora kubakwa kubikorwa bitandukanye bya LED, uhereye kumaterefone mato mato yerekanwe kumurika no kumurika kode ya kode kugeza kumatara maremare ya LED kumuhanda hamwe na LED nini yo hanze.
Igishushanyo nogutanga amashanyarazi menshi ya LED abashoferi muri rusange bikorwa namasosiyete yinzobere.Izi sosiyete zibapakira muri modul hanyuma zikabigeza kubakora ibicuruzwa bya LED bikoresha amaherezo.Akamaro kadasanzwe k'abashoferi ba LED mubisabwa bya LED hamwe nubwinshi bwibisabwa byabakoresha bituma umushoferi wa LED IC, umutima wumushoferi wa LED, ikintu cyingenzi murwego rwikoranabuhanga rwose.Umushoferi nigice cyibanze cyo kumurika LED.Hamwe no gukura kwikoranabuhanga rya LED chip, ubwiza bwumucyo wa LED bwabaye bwizewe kuburyo akenshi kunanirwa kwa LED luminaire bituruka kumushoferi.

Ibisobanuro

LP8861-Q1 ni amamodoka akora neza cyane, EMI yo hasi, byoroshye-gukoresha-LED umushoferi hamwe no kuzamura / SEPIC ihindura.Ifite ibyuma bine bihanitse cyane bishobora gutanga urugero rwinshi rwo kugereranya urumuri hamwe na PWM yinjiza.
Iterambere / SEPIC ihindura ifite imiyoboro iva mu kirere igenzurwa na LED igezweho yo mu cyumba cyo hejuru.Iyi mikorere igabanya ingufu zikoreshwa muguhindura voltage kurwego rwo hasi bihagije mubihe byose.Iterambere / SEPIC ihindura ishyigikira gukwirakwiza spekure yo guhinduranya inshuro hamwe no guhuza hanze hamwe na pin yabigenewe.Umuyoboro mugari ushobora guhindurwa utuma LP8861-Q1 yirinda guhungabanya umurongo wa radio AM.
LP8861-Q1 ifite uburyo bwo gutwara p-FET yo hanze kugirango ihagarike itangwa ryinjira muri sisitemu mugihe habaye amakosa no kugabanya inrush ikoresha kandi ikoresha ingufu.Igikoresho kirashobora kugabanya urumuri rwa LED rushingiye ku bushyuhe bupimwe na sensor ya NTC yo hanze kugirango irinde LED ubushyuhe bwinshi kandi ikongerera LED ubuzima.
Iyinjiza rya voltage intera ya LP8861-Q1 ni kuva kuri 4.5 V kugeza 40 V kugirango ishyigikire ibinyabiziga guhagarara / gutangira no gutwara ibintu byajugunywe.LP8861-Q1 ihuza ibintu byinshi byo gutahura no kurinda ibintu.


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