TPS62902RPJR Switching Voltage Regulators 3-V to 17-V, 2-A, high-tefety and low IQ buck converter 1.5-mm 2-mm QFN sephutheloana
♠ Tlhaloso ea Sehlahisoa
| Sehlahisoa Tšobotsi | Boleng ba Tšobotsi |
| Moetsi: | Lisebelisoa tsa Texas |
| Sehlopha sa Sehlahisoa: | Ho fetola Voltage Regulators |
| RoHS: | Lintlha |
| Mounting Style: | SMD/SMT |
| Sephutheloana/Nyeto: | VQFN-HR-9 |
| Topology: | Buck |
| Output Voltage: | 400 mV ho 5.5 V |
| Sephetho sa Hona Joale: | 2 A |
| Nomoro ea Liphetho: | 1 Sephetho |
| Input Voltage, Min: | 3 V |
| Kenya Voltage, Max: | 17 V |
| Quiscent Current: | 8 mA |
| Fetoha Maqhubu: | 1 MHz, 2.5 MHz |
| Mocheso o fokolang oa ho sebetsa: | - 40 C |
| Boholo ba Thempereichara ea Tšebetso: | + 150 C |
| Letoto: | TPS62902 |
| Sephutheloana: | Reel |
| Sephutheloana: | Khaola Theipi |
| Lebitso: | Lisebelisoa tsa Texas |
| Matla a Kena: | 3 ho isa ho 17 V |
| Ha e Mamelle Mongobo: | Ee |
| Mofuta oa Sehlahisoa: | Ho fetola Voltage Regulators |
| Koala: | Koala |
| Bongata ba Pakete ea Feme: | 3000 |
| Sehlopha-potlana: | PMIC - Li-IC tsa Tsamaiso ea Matla |
| Supply Voltage - Min: | 3 V |
| Mofuta: | Buck Converter |
♠ TPS62902, 3-V ho 17-V, Matla a Phahameng le IQ Buck Converter e tlase ho 1.5-mm × 2-mm QFN Package
TPS62902 ke sesebelisoa se sebetsang hantle haholo, se senyane, hape se tenyetsehang sa DC-DC se bonolo ho se sebelisa.Maqhubu a fetohang a 2.5 MHz kapa 1.0 MHz a lumella ts'ebeliso ea li-inductors tse nyane mme e fana ka karabelo ea nakoana e potlakileng.Sesebelisoa se tšehetsa ho nepahala ha VOUT e phahameng ea ± 1% ka topology ea DCS-Control.Maqhubu a pharalletseng a 3-V ho isa ho 17-V a ts'ehetsa mefuta e fapaneng ea lipehelo tsa mabitso, joalo ka liporo tsa 12-V tsa phepelo, sele e le 'ngoe kapa li-multi-cell Li-Ion, le liporo tsa 5-V kapa 3.3-V.
TPS62902 e ka kenya mokhoa oa ho boloka matla ka bo eona (haeba ho khethiloe auto PFM/PWM) ka meroalo e bobebe ho boloka ts'ebetso e phahameng.Ntle le moo, ho fana ka ts'ebetso e phahameng ka mejaro e menyane haholo, sesebelisoa se na le matla a tlase a khutsitseng a 4 µA.AEE, haeba e nolofalitsoe, e fana ka katleho e phahameng ho pholletsa le VIN, VOUT, le hona joale.Sesebelisoa se kenyelletsa S-CONF / MODE ho kenya karohano ea ka hare / ka ntle, ho fetola maqhubu, ho ntša motlakase oa motlakase, le mokhoa o itekanetseng oa ho boloka matla kapa ts'ebetso ea PWM e qobelloang.
Sesebelisoa se fumaneha ka sephutheloana se senyenyane sa 9-pin VQFN se boholo ba 1.50 mm × 2.00 mm ka molumo oa 0.5-mm.
• Bokhoni bo phahameng bakeng sa potoloho e pharaletseng ea mosebetsi le mefuta e mengata ea thepa
- IQ: 4 µA e tloaelehileng
- Maqhubu a feto-fetohang a 2.5 MHz le 1.0 MHz
- RDS(ON): 62-mΩ lehlakore le phahameng, 22-mΩ lehlakoreng le tlase
- Ntlafatso ea ts'ebetso e ikemetseng (AEE)
• Sephutheloana se senyenyane sa 1.5-mm × 2.0-mm VQFN se nang le bophahamo ba 0.5-mm
• Ho fihla ho 2-A tlhahiso e tsoelang pele ea hona joale
• ±0.9% ho nepahala ha voltage ea maikutlo ho pholletsa le mocheso (-40°C ho isa ho 150°C)
• Likhetho tse ka hlophisoang tsa motlakase oa ho tsoa:
- Karohano ea kantle ea VFB: 0.6 V ho isa ho 5.5 V
- Karohano ea kahare ea VSET: likhetho tse 16 lipakeng tsa 0.4 V le 5.5 V
• DCS-Control™ topology e nang le 100% mode
• Haholo tenyetsehang le bonolo ho sebelisa
- Pinout e ntlafalitsoeng bakeng sa routing ea lera le le leng
- Ho kenya letsoho ka nepo
- PWM e qobelloang kapa mokhoa oa ho boloka matla a koloi
- Phatlalatso e ntle ea matla
- Phallo e ka khethehang e sebetsang
- Qalo e bonolo e feto-fetohang le ho latela
• Ha ho hlokahale ka ntle bootstrap capacitor e hlokahalang
• Etsa moralo o ikhethileng o sebelisa TPS62902 u sebelisa WEBENCH® Power Designer
• Boiketsetso le taolo ea fektheri
• Ho aha li-automation
• Setsi sa data le khomphutha ea khoebo
• Mekhoa ea ho khanna likoloi
• Phano ea matla
• PC le libuka tsa ho ngolla
