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DATA SHEET
TPS9260x-Q1 Single- and Dual-Channel Automotive Headlight LED Driver
1 Features
- Qualified for Automotive Applications
- AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature
- Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C4B
- Input Voltage: 4 V–40 V (45 V Abs. Max.)
- Output Voltage: 4 V–75 V (80 V Abs. Max.)
- Fixed-Frequency Current-Mode Controller With Integrated Slope Compensation
- Two Regulation Loops, Constant-Current Output and Constant-Voltage Output of Each Channel
- High-Side Current Sense:
- 150-mV or 300-mV Sense Voltage (EEPROM Option)
- ±6-mV Offset (Achieving Approx. 4% or 2% LED Current Accuracy)
- Output Voltage Sense, Internal Voltage Reference: 2.2 V ±5%
- Integrated Low-Side NMOS-FET Driver: Peak Gate-Drive Current Typ. 0.7 A
- Frequency Synchronization
- Both PWM Dimming and Analog Dimming
- Diagnostic:
- High-Side Current (LED Current) Available as Analog Output
- Open-LED and Short-to-GND Detection
- Shorted Output Protection
- Internal Under- and Overvoltage Lockout
2 Applications
- Automotive Headlight LED Driver
- High-Brightness LED Applications
