TPS92602BQPWPRQ1TPS9260x-Q1 Mokhanni a le Mong le oa Likoloi tse peli tsa Lebone la LED
Likaroloana
1.E tšoaneleha bakeng sa Likopo tsa Likoloi
2.AEC-Q100 E Fumaneha Ka Liphetho Tse Latelang:
– Thempereichara ea Sesebediswa Kereiti 1: -40°C ho ya ho 125°C
Ambient Operating Themperature
- Mofuta oa 2 oa Sesebelisoa sa HBM ESD
– Sesebediswa CDM ESD Classification Level C4B
3.Motlakase oa ho Kena: 4 V–40 V (45 V Abs. Max.)
4.Output Voltage: 4 V–75 V (80 V Abs. Max.)
5.Fixed-Frequency Current-Mode Controller Ka
Matšeliso a Moepa a Kopanetsoeng
6.Two Regulation Loops, Constant-Current Output
le Constant-Voltage Output ea Channel ka 'ngoe
7. High-Side Current Sense:
- 150-mV kapa 300-mV Sense Voltage (EEPROM
Khetho)
- ± 6-mV Offset (E fihlella Hoo e ka bang 4% kapa 2%
Ho nepahala ha Hona Joale LED)
8.Output Voltage Sense, Internal Voltage
Tšebeliso: 2.2 V ±5%
9.E kopantsoeng le Mokhanni oa NMOS-FET ea Mahlakoreng a Tlaase: Peak
Mofuta oa Hona Joale oa Gate-Drive.0.7 A
10.Hangata Kamahanyo
11.Ka bobeli PWM Dimming le Analog Dimming
12. Tlhahlobo:
– High-Side Current (LED Current) Fumaneha e le
Analog Output
- Tsebo e bulehileng ea LED le ea nakoana ho ea ho GND
– Tšireletso e Khutšoanyane ea Liphetho
13.Internal Under- le Overvoltage Lockout
Lisebelisoa
Mokhanni oa LED oa Lebone la Likoloi
Lisebelisoa tsa LED tse khanyang haholo
Tlhaloso
Lelapa la lisebelisoa tsa TPS9260x-Q1 ke mocha o le mong le liteishene tse peli tsa LED tsa morao-rao.
mokhanni.Ka tšireletso e felletseng le tlhahlobo, lelapa lena la lisebelisoa le nehetsoe ebile le loketse mabone a ka pele a koloi.Motheo oa mokhanni e mong le e mong ea ikemetseng ke seboholi sa maemo a holimo-joale-joale.Molaoli e mong le e mong o na le li-loops tse peli tse ikemetseng tsa maikutlo, loop-feedback loop e nang le highside current-sensing shunt le voltage-feedback loop e nang le netweke ea ka ntle ea resistor-divider.Mookameli o fana ka motlakase o sa khaotseng kapa aconstant output current.Mojaro o hokahantsoeng o etsa qeto ea hore na sesebelisoa se laola tlhahiso e sa khaotseng ea motlakase (haeba potoloho e fihla sebakeng sa hona joale pele ho sebaka sa motlakase) kapa motlakase o sa khaotseng (haeba potoloho e fihla ho setpoint ea motlakase e fihleloa pele, mohlala, sebakeng se bulehileng. -mojaro boemo).Molaoli e mong le e mong o ts'ehetsa li-topology tse tloaelehileng tse kang asboost, boost-to-battery, SEPIC, kapa flyback.Litšebeliso tsa mokhanni oa PMOS FET ea mahlakoreng a holimo ke bakeng sa ho fifala ha PWM ea khoele ea LED le ho khaoha ha ho ka ba le bokhutšoanyane bo ka ntle. potoloho ho ea ho GND ho sireletsa potoloho.Lesedi la Sesebelisoa(1)KAROLO YA KAROLO MAIKUTLO-KGOLO
LIEKETSENG MAKOANE
TPS92601-Q1,
TPS92601B-Q1
15 mV–150 mV 1
TPS92601A-Q1(2) 30 mV–300 mV 1
TPS92602-Q1,
TPS92602B-Q1
15 mV–150 mV 2
TPS92602A-Q1(2) 30 mV–300 mV 2
