TPS92602BQPWPRQ1TPS9260x-Q1 Imwe- uye Dual-Channel Automotive Headlight LED Driver
Features
1.Yakakodzera yeMotokari Zvishandiso
2.AEC-Q100 Inokodzera Nezvinotevera Mibairo:
– Device Temperature Grade 1: -40°C kusvika 125°C
Ambient Operating Temperature
- Chishandiso HBM ESD Chikamu Chechipiri
- Mudziyo CDM ESD Classification Level C4B
3.Input Voltage: 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 Ne
Integrated Slope Compensation
6.Two Regulation Loops, Constant-Current Output
uye Constant-Voltage Output yeChannel yega yega
7.High-Side Current Sense:
- 150-mV kana 300-mV Sense Voltage (EEPROM
Sarudzo)
- ± 6-mV Offset (Kuwana Approx. 4% kana 2%
Kururamisa Kwezvino LED)
8.Output Voltage Sense, Internal Voltage
Chirevo: 2.2 V ±5%
9.Yakabatanidzwa Yakaderera-Side NMOS-FET Mutyairi: Peak
Gate-Drive Current Typ.0.7 A
10.Frequency Synchronization
11.Zvose PWM Dimming uye Analog Dimming
12.Diagnostic:
- Yakakwira-Side Yazvino (LED Yazvino) Inowanikwa se
Analog Output
- Vhura-LED uye Pfupi-ku-GND Kuonekwa
- Shorted Output Dziviriro
13.Internal Under- uye Overvoltage Lockout
Applications
Automotive Headlight LED Driver
High-Kupenya LED Applications
Tsanangudzo
Iyo TPS9260x-Q1 mhuri yemidziyo inzira imwe chete uye mbiri-channel yakakwira-parutivi-yazvino LED.
mutyairi.Nedziviriro izere uye diagnostics, iyi mhuri yemidziyo yakatsaurirwa uye yakanyatsokodzera kune mota yekumberi mwenje.Hwaro hwemutyairi wega wega akazvimirira ndeye peak-current-mode boost controller.Imwe neimwe controller ine maviri akazvimirira emhinduro loop, yazvino-yemhinduro loop ine highside ikozvino-inonzwa shunt uye voltage-feedback loop ine yekunze resistor-divider network.Iyo controller inoburitsa inogara ichibuda voltage kana aconstant inobuda ikozvino.Iyo yakabatana mutoro inotaridza kana iyo mudziyo inotonga inogara ichibuda ikozvino (kana dunhu rasvika pane yazvino setpoint pamberi pevoltage set-point) kana inogara ichibuda voltage (kana dunhu rasvika pane voltage setpoint yasvika pekutanga, semuenzaniso, munzvimbo yakavhurika. -load condition).Mudhiraivha wega wega unotsigira ese anojairika matopology akadai asboost, boost-to-battery, SEPIC, kana flyback.Mashandisirwo emutyairi wePMOS FET wepamusoro-soro ndeokuti PWM dimming yetambo yeLED uye yekucheka kana ipfupi yekunze. dunhu kuenda kuGND kuchengetedza dunhu.Ruzivo rwechishandiso(1)PART NUMBER SENSE-VOLTAGE
RANGE CHANNELS
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
