I-TPS92638QPWPRQ1 8-ChanLinear LED Driver
♠ Incazelo Yomkhiqizo
| Isibaluli Somkhiqizo | Isibaluli senani |
| Umkhiqizi: | Texas Instruments |
| Isigaba somkhiqizo: | Abashayeli be-LED Lighting |
| Uchungechunge: | I-TPS92638-Q1 |
| Isitayela Sokukhweza: | I-SMD/SMT |
| Iphakheji / Ikesi: | I-HTSSOP-20 |
| Inombolo Yemiphumela: | 8 Okukhiphayo |
| Okukhiphayo Kwamanje: | 70 mA |
| I-Voltage Yokufaka, Min: | 5 V |
| I-Voltage Yokufaka, I-Max: | 40 v |
| I-Topology: | Thuthukisa, Buck |
| Imvamisa yokusebenza: | - |
| I-Voltage Yokuphumayo: | Kuyalungiseka |
| Izinga Lokushisa Eliphansi Lokusebenza: | - 40 C |
| Ubukhulu Bezinga Lokushisa Lokusebenza: | + 125 C |
| Ukufaneleka: | I-AEC-Q100 |
| Ukupakishwa: | I-reel |
| Ukupakishwa: | Sika Tape |
| Ukupakishwa: | I-MouseReel |
| Izici: | I-PWM Dimming, Vula Ukuvikelwa kwe-LED |
| Ibhrendi: | Texas Instruments |
| Ubude: | 1.2 mm |
| I-Voltage Yokufaka: | 5 kuya ku-40V |
| Ubude: | 6.5 mm |
| Kuyazwela umswakama: | Yebo |
| Inombolo Yeziteshi: | 8 Isiteshi |
| I-Operating Temperature Range: | - 40 C kuya + 125 C |
| Uhlobo Lomkhiqizo: | Abashayeli be-LED Lighting |
| Inani Lephakethe Lefekthri: | 2000 |
| Isigaba esingaphansi: | Ama-IC omshayeli |
| Ukunikezwa Kwamanje - Max: | 0.9 mA |
| Ububanzi: | 4.4 mm |
| Isisindo Seyunithi: | 0.002885 oz |
♠ TPS92638-Q1 8-Channel Linear LED Driver With PWM Dimming
I-TPS92638-Q1 ingumshayeli we-LED olayini weziteshi eziyisishiyagalombili one-PWM control dimming.Idizayini yayo ilungele ukushayela izintambo eziningi zama-LED aze afike kokuphakathi
ububanzi bamandla.
Le divayisi ingakwazi ukushayela izintambo ezifika kweziyisishiyagalombili nge-LED eyodwa kuya kwezintathu kuyunithi yezinhlamvu ngayinye, ngenani eliphelele elifinyelela ku-70 mA isiteshi ngasinye.Okukhiphayo kungase kuhambisane ukuze kunikeze ukushayela kwamanje okuphezulu kufika ku-560 mA.
Kuzinhlelo zokusebenza ezinezintambo eziningi, idivayisi inikeza inzuzo yokuba noxhumo oluvamile lwe-cathode ye-LED stings.Ngakho-ke, kunentambo eyodwa kuphela yokubuyisela edingekayo esikhundleni seyunithi yezinhlamvu eyodwa ye-LED okungadingwa isistimu enomqondo wamanje wohlangothi oluphansi.
Idivayisi inamandla okushintsha i-LED yamanje phakathi kwamanje aphezulu naphansi kwamandla okusebenza kokuma nomsila.Izinqamuleli ezimbili eziyizethenjwa zibeka amaleveli amabili wamanje we-LED kusukela ekuphumeni ngakunye.
Isiqaphi sezinga lokushisa esifakiwe sinciphisa idrayivu ye-LED yamanje uma izinga lokushisa le-IC junction lidlula umkhawulo oshisayo.I-threshold yezinga lokushisa iyahleleka nge-resistor yangaphandle.Umuntu angakhubaza isici se-thermal current-monitor ngokuxhuma iphinikhodi ye-TEMP emhlabathini.Okukhiphayo kwezinga lokushisa lokuhlangana njenge-analog voltage kuyatholakala njengenketho yohlelo lwefekthri.
• Ifanelekele Izicelo Zezimoto
– Izinga Lokushisa Ledivayisi Ibanga 1: –40°C ukuya ku-125°C Ibanga Lezinga Lokushisa Le-Ambient
- Idivayisi ye-HBM ESD Classification Level H2
– Idivayisi ye-CDM ESD Classification Level C3B
• Ukuphepha okusebenzayo okunekhono
- Amadokhumenti atholakalayo ukusiza ukwakheka kwesistimu yokuphepha esebenzayo
• I-8-Channel LED Driver With Analog kanye ne-PWM Dimming
• I-Wide Input-Voltge Range: 5 V–40 V
• I-Adjustable Constant Output yamanje Isethwe yi-Reference Resistor
- Ubuningi Bamanje: 70 mA Isiteshi ngasinye
- Ubuningi Bamanje: 560 mA ku-Parallel Operation Mode
– Ukunemba: ±3% Isiteshi ngasinye
– Ukunemba: ±4% Idivayisi ngayinye
• I-PWM Dimming Input (PWM)
- Vula/Vala Isikhathi Sokubambezeleka: 25 µs (uhlobo.), 45 µs (ubukhulu.)
• I-4-Bank PWM Dimming ukuze Ulawule Amashaneli ayi-8
• Ukutholwa kwe-LED evuliwe futhi Efushane Nge-Deglitch
• I-Fault Pin Yokubika Ukuhluleka Okuvuliwe, Okufushane, kanye Ne-Thermal-Shutdown, Ivumela Uxhumo Lwebhasi Elihambisanayo kuze kufike kumadivayisi ayi-15
• I-Foldback Yamanje Yezinga Lokushisa Ukuvimbela Ukuvala Ukushisa, Nge-Threshold Ehlelekayo
• I-Single Resistor ye-Stop-Current Set Point
• I-Single Resistor ye-Tail-Current Set Point
• I-Operating Junction Temperature Range -40°C kuya ku-150°C
• Iphakheji: Iphakheji ye-PWP Ethuthukisiwe Yamaphini angu-20 (PDSO)
Izinhlelo Zokukhanyisa ze-LED (isibonelo, ukukhanya kwasemini, ukukhanya kwendawo, ukukhanya kwenkungu, ukukhanya okungemuva, ukukhanya noma ukukhanya komsila, ukukhanya kwangaphakathi)
