TPS92638QPWPRQ1 8-ChanLinear LED ọkwọ ụgbọ ala
♠ Nkọwa ngwaahịa
| Njirimara ngwaahịa | Uru Njirimara |
| Onye nrụpụta: | Ngwa Texas |
| Otu ngwaahịa: | Ndị na-anya ọkụ LED |
| Usoro: | TPS92638-Q1 |
| Ụdị nrịgo: | SMD/SMT |
| Ngwungwu / Akpa: | HTSSOP-20 |
| Ọnụọgụ nke mmepụta: | 8 Mpụta |
| Mpụta ugbu a: | 70mA |
| Ntinye voltaji, Obere: | 5 V |
| Ntinye voltaji, Oke: | 40 V |
| Topology: | Na-akwalite, Buck |
| Ugboro arụ ọrụ: | - |
| Voltaji mmepụta: | Enwere ike idozi |
| Okpomọkụ arụ ọrụ kacha nta: | - 40 C |
| Okpomọkụ arụ ọrụ kacha: | + 125 C |
| ntozu: | AEC-Q100 |
| Nkwakọ ngwaahịa: | Reel |
| Nkwakọ ngwaahịa: | Bee teepu |
| Nkwakọ ngwaahịa: | MouseReel |
| Atụmatụ: | PWM Dimming, Mepee Nchedo LED |
| Akara: | Ngwa Texas |
| Ogologo: | 1.2 mm |
| Ntinye voltaji: | 5V ruo 40V |
| Ogologo: | 6,5 mm |
| Mmiri nwere mmetụta: | Ee |
| Ọnụọgụ ọwa: | Ọwa 8 |
| Oke okpomoku na-arụ ọrụ: | -40C ruo +125C |
| Ụdị ngwaahịa: | Ndị na-anya ọkụ LED |
| Ọnụọgụ ngwugwu ụlọ ọrụ: | 2000 |
| ngalaba: | IC ọkwọ ụgbọ ala |
| Nbunye ugbu a - Nke kachasị: | 0,9mA |
| Obosara | 4.4 mm |
| Ibu nkeji: | 0,002885 oz |
♠ TPS92638-Q1 8-Channel Linear LED Driver na PWM Dimming
TPS92638-Q1 bụ onye ọkwọ ụgbọ ala linear LED nwere akara PWM nke nwere ọwa asatọ.Nhazi ya dị mma maka ịnya ọtụtụ eriri LED ruo ọkara
ike nso.
Ngwaọrụ a nwere ike ịkwọ ụgbọ ruo eriri asatọ nwere otu LED atọ na eriri ọ bụla, na mkpokọta ugbu a ruru 70 mA kwa ọwa.Nsonaazụ nwere ike ịdị na otu iji nye draịva dị elu ugbu a ruo 560mA.
Na otutu-string ngwa, ngwaọrụ na-enye uru nke inwe nkịtị-cathode njikọ nke LED stings.Yabụ, enwere naanị otu waya nlọghachi achọrọ kama otu eriri LED nke sistemụ nwere mmetụta dị ugbu a dị ala ga-achọ.
Ngwa ahụ nwere ikike maka ịgbanwee LED ugbu a n'etiti elu ugbu a na nke dị ala maka nkwụsị na ngwa ọdụ.Abụọ ndị resistors na-edobe ọkwa LED abụọ dị ugbu a site na mmepụta ọ bụla.
Ihe nleba anya ọnọdụ okpomọkụ agbakwunyere na-ebelata draịva LED ugbu a ma ọ bụrụ na IC junction okpomọkụ gafere oke ọkụ.Enwere ike ịhazi ọnụ ụzọ okpomọkụ site na resistor mpụga.Mmadụ nwere ike gbanyụọ njirimara ihe nleba anya ugbu a site na ijikọ pin TEMP na ala.Mpụta okpomọkụ nke njikọ dị ka voltaji analọg dị ka nhọrọ mmemme mmepụta ihe.
• tozuru oke maka ngwa ụgbọ ala
- Ọkụkụ ngwaọrụ ọkwa ọkwa 1: -40°C ruo 125°C gburugburu na-arụ ọrụ okpomọkụ nso
- Ngwaọrụ HBM ESD ọkwa ọkwa H2
– Ngwaọrụ CDM ESD ọkwa ọkwa C3B
• Nchekwa arụmọrụ nwere ike
- Akwụkwọ dị na-enyere aka imewe usoro nchekwa ọrụ
• Onye ọkwọ ụgbọ ala 8-Channel na Analog na PWM Dimming
• Ogologo ntinye-Voltaji sara mbara: 5 V–40V
• Mmepụta mgbe niile na-agbanwe agbanwe ugbu a site na Resistor Reference setịpụrụ
- Kachasị ugbu a: 70mA kwa ọwa
- Kachasị ugbu a: 560 mA na Parallel Operation Mode
- Nzizi: ± 3% kwa ọwa
- Nzizi: ± 4% kwa ngwaọrụ
• Ntinye PWM Dimming (PWM)
– Gbanyụọ/ Gbanyụọ Oge igbu oge: 25 µs (ụdị.), 45 µs (kacha.)
• 4-Bank PWM Dimming na-achịkwa ọwa 8
• Mepee- na Shorted-LED nchọpụta na Deglitch
• Mpempe mpe mpe mpe mpe na mkpesa ọdịda nke mmechi, na-enye ohere njikọ ụgbọ ala ihe ruru ngwaọrụ iri na ise.
• Okpomọkụ-Ndaghachi azụ ugbu a iji gbochie mmechi okpomọkụ, na oke mmemme
• Otu onye na-eguzogide maka nkwụsị-Ugbu a ịtọ ntọala
• Otu onye mmegide maka ọdụ ọdụ ugbu a
• Oke okpomọkụ nke Junction na-arụ ọrụ -40°C ruo 150°C
• Ngwugwu: Ngwungwu PWP 20-Pin emelitere nke ọma (PDSO)
Ngwa ọkụ ọkụ LED (dịka ọmụmaatụ, ọkụ na-agba ọsọ ụbọchị, ìhè ọnọdụ, ọkụ igwe, ọkụ azụ, nkwụsị ma ọ bụ ọkụ ọdụ, ọkụ ime)
