Goyan bayan fa'idar BOM Sabon Haɗin Kai na Asali LP8867QPWPRQ1
Halayen Samfur
| TYPE | BAYANI | Zabi |
| Kashi | Haɗin kai (ICs) |
|
| Mfr | Texas Instruments |
|
| Jerin | Mota, AEC-Q100 |
|
| Kunshin | Tape & Reel (TR) Yanke Tape (CT) Digi-Reel® |
|
| Matsayin samfur | Mai aiki |
|
| Nau'in | Mai sarrafa DC DC |
|
| Topology | SEPIC, Matakai (Ƙara) |
|
| Canjawa na ciki | Ee |
|
| Adadin abubuwan da aka fitar | 3 |
|
| Voltage - Kashe (min) | 4.5V |
|
| Voltage - Samfura (Max) | 45V |
|
| Voltage - Fitarwa | 6V ~ 45 |
|
| Yanzu - Fitowa / Tashoshi | 120mA |
|
| 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 | Saukewa: LP8867 | |
| SPQ | 2000 PCS |
Abubuwan da suka dace don LP8867-Q1
- AEC-Q100 Cancantar don aikace-aikacen mota:
- Matsayin zafin na'urar:
- -40°C zuwa +125°C, TA
- Amintaccen aiki yana iya
- Takaddun bayanai akwai don taimakawa ƙira tsarin aminci na aiki
- 3-, 4-Channel 120-mA na yanzu nutsewa
- Matsakaicin ƙaranci na 10 000: 1 a 100 Hz
- Daidaita na yanzu 1% (na al'ada)
- LED String halin yanzu har zuwa 120mA kowane tashoshi
- Ana iya haɗa abubuwan da aka fitar a waje don mafi girman halin yanzu kowane kirtani
- Haɗin haɓakawa da mai canza SEPIC don ƙarfin kirtani na LED
- Input ƙarfin lantarki kewayon aiki 4.5 V zuwa 40 V
- Fitar da wutar lantarki har zuwa 45 V
- Haɗe-haɗe 3.3-A Canja FET
- Sauya mitar 300 kHz zuwa 2.2 MHz
- Canza shigar da aiki tare
- Yada bakan don ƙananan EMI
- Gano kuskure da kariya
- Fitowar kuskure
- Input irin ƙarfin lantarki OVP, UVLO da OCP
- Haɓaka toshe SW OVP da fitarwa OVP
- LED bude da gajeriyar gano kuskure
- Ikon Layin Wutar Lantarki FET don kariyar bas ɗin baturi
- Rage LED ta atomatik tare da firikwensin zafin jiki na waje
- Rufewar thermal
Takardar bayanan LP8867-Q1
LP8867-Q1, LP8869-Q1 babban haɗe-haɗe ne na mota, ƙananan-EMI, direban LED mai sauƙin amfani tare da mai sauya DC-DC.Mai sauya DC-DC yana goyan bayan duka haɓakawa da aikin yanayin SEPIC.Na'urar tana da madaidaitan madaidaicin matsuguni huɗu ko uku waɗanda za'a iya haɗa su don mafi girman ƙarfin halin yanzu.
Mai jujjuyawar DC-DC yana da ikon sarrafa wutar lantarki mai daidaitawa dangane da ƙarfin wutar lantarki na gaba na LED.Wannan fasalin yana rage yawan amfani da wutar lantarki ta hanyar daidaita wutar lantarki zuwa mafi ƙarancin isasshen matakin a kowane yanayi.Don rage EMI DC-DC yana goyan bayan watsa bakan don sauya mitar da aiki tare na waje tare da keɓaɓɓen fil.Mitar daidaitacce mai faɗi yana ba LP886x-Q1 damar guje wa damuwa don bandeji mai mahimmanci.
Matsakaicin ƙarfin shigarwa don LP886x-Q1 yana daga 4.5 V zuwa 40 V don tallafawa farawa ta atomatik da yanayin juji.LP886x-Q1 yana haɗa manyan abubuwan gano kuskure.
