TPS92638QPWPRQ1 8-ChanLinear LED Driver
♠ Tlhaloso ea Sehlahisoa
| Sehlahisoa Tšobotsi | Boleng ba Tšobotsi |
| Moetsi: | Lisebelisoa tsa Texas |
| Sehlopha sa Sehlahisoa: | Bakhanni ba Lebone la LED |
| Letoto: | TPS92638-Q1 |
| Mounting Style: | SMD/SMT |
| Sephutheloana / Taba: | HTSSOP-20 |
| Nomoro ea Liphetho: | 8 Sephetho |
| Sephetho sa Hona Joale: | 70 mA |
| Input Voltage, Min: | 5 V |
| Kenya Voltage, Max: | 40 V |
| Topology: | Matlafatsa, Buck |
| Maqhubu a Ts'ebetso: | - |
| Output Voltage: | E ka fetoha |
| Mocheso o fokolang oa ho sebetsa: | - 40 C |
| Boholo ba Thempereichara ea Tšebetso: | + 125 C |
| Tšoaneleho: | AEC-Q100 |
| Sephutheloana: | Reel |
| Sephutheloana: | Khaola Theipi |
| Sephutheloana: | MouseReel |
| Likaroloana: | PWM Dimming, Bula Tšireletso ea LED |
| Lebitso: | Lisebelisoa tsa Texas |
| Bolelele: | 1.2 limilimithara |
| Matla a Kena: | 5 ho isa ho 40 V |
| Bolelele: | 6.5 limilimithara |
| Ha e Mamelle Mongobo: | Ee |
| Nomoro ea Likanale: | 8 Channel |
| Sebaka sa Mocheso oa Ts'ebetso: | -40 C ho ea ho +125 C |
| Mofuta oa Sehlahisoa: | Bakhanni ba Lebone la LED |
| Bongata ba Pakete ea Feme: | 2000 |
| Sehlopha-potlana: | Li-IC tsa mokhanni |
| Thepa ea Hona Joale - Max: | 0.9 mA |
| Bophara: | 4.4 limilimithara |
| Boima ba Yuniti: | 0.002885 oz |
♠ TPS92638-Q1 8-Channel Linear LED Driver E nang le PWM Dimming
TPS92638-Q1 ke mokhanni oa LED o nang le liteishene tse robeli tse nang le taolo ea ho fifala ea PWM. Moralo oa eona o nepahetse bakeng sa ho khanna likhoele tse ngata tsa LED ho fihlela bohareng
sebaka sa matla.
Sesebelisoa sena se ka khanna likhoele tse fihlang ho tse robeli ka LED e le 'ngoe ho isa ho tse tharo khoeleng e' ngoe le e 'ngoe, ka kakaretso ea hajoale ho fihla ho 70 mA mocha ka mong. Liphetho li ka tsamaisana ho fana ka koloi e holimo-joale ho fihla ho 560 mA.
Lits'ebetsong tse nang le likhoele tse ngata, sesebelisoa se fana ka monyetla oa ho ba le khokahano e tloaelehileng ea cathode ea lithapo tsa LED. Kahoo, ho na le terata e le 'ngoe feela ea ho khutlisa e hlokahalang sebakeng sa khoele e le 'ngoe ea LED eo sistimi e nang le kutlo e tlase e ka e hlokang.
Sesebelisoa se na le bokhoni ba ho chencha LED ea hona joale lipakeng tsa hona joale tse phahameng le tse tlase bakeng sa lits'ebetso tsa ho emisa le mohatla. Bahanyetsi ba babeli ba litšupiso ba behile maemo a mabeli a hona joale a LED ho tsoa ho sephetho se seng le se seng.
Sesebelisoa sa mocheso se kenyellelitsoeng se fokotsa motlakase oa LED haeba mocheso oa IC junction o feta moeli oa mocheso. Mohaho oa mocheso o ka lokisoa ka mochine o ka ntle. Motho a ka tima sebopeho sa mocheso oa motlakase ka ho hokela phini ea TEMP fatše. Sephetho sa mocheso oa mateano joalo ka motlakase oa analog se fumaneha e le khetho ea lenaneo la feme.
• Ea tšoanelehang bakeng sa Likopo tsa Likoloi
– Thempereichara ea Sesebediswa Kereiti 1: -40°C ho 125°C Ambient Operating Range
- Sesebelisoa sa HBM ESD Classification Level H2
– Sesebediswa CDM ESD Classification Level C3B
• Tšireletseho e sebetsang e nang le bokhoni
- Litokomane tse fumanehang ho thusa moralo o sebetsang oa sistimi ea polokeho
• 8-Channel LED Driver With Analog le PWM Dimming
• Phatlalatso e Felletseng ea Matla a Kenang: 5 V–40 V
• Adjustable Constant Output Current Set by Reference Resistor
- Boholo ba Hona joale: 70 mA ka Channel ka 'ngoe
- Boholo ba Hona joale: 560 mA ka Mokhoa oa Ts'ebetso o Tšoanang
- Ho nepahala: ± 3% ka Channel ka 'ngoe
- Ho nepahala: ± 4% ka Sesebelisoa
• PWM Dimming Input (PWM)
- BUA / TŠOA Nako ea ho lieha: 25 µs (mofuta), 45 µs (max.)
• 4-Bank PWM Dimming ho Laola Likanale tse 8
• Open- le Shorted-LED Fumaneha Ka Deglitch
• Fault Pin bakeng sa Tlaleho ea ho Hloka ho Bulehile, Nako e Khutšoane, le Thermal-Shutdown Failure, E lumellang Khokahano ea bese ea Parallel ho fihla ho lisebelisoa tse 15.
• Foldback ea Thempereichara ea Hona Joale ho Thibela ho Koaleha ha Mocheso, Ka Lenaneo le Lekoang
• Single Resistor bakeng sa Stop-Current Set Point
• Single Resistor bakeng sa Mohatla-Current Set Point
• Operating Junction Themperature Range -40°C ho 150°C
• Sephutheloana: Sephutheloana sa 20-Pin E ntlafalitsoeng ka Thermally PWP (PDSO)
Lisebelisoa tsa Lebone la LED (mohlala, lebone la motšehare, lebone la boemo, lebone la moholi, lebone le ka morao, lebone la setopo kapa la mohatla, mabone a ka hare)
