Product Overview
TPS61194PWPRQ1 from TI is an automotive AEC-Q100 8-channel LED backlight driver with integrated boost converter. 6-30V input. 30mA per channel. I2C dimming. TSSOP-20.
Working Principle
Integrated boost converter generates high voltage for LED strings. 8 constant-current sinks regulate LED current. PWM dimming via I2C. Phase-shift PWM for reduced EMI. Auto LED fault detection.
Pin Description
| Pin Group | Name | Function |
|---|---|---|
| Power | VIN/SW | Input and switch |
| LED | LED1-8 | 8 current sinks |
| Control | SDA/SCL/EN | I2C and enable |
Applications
- Automotive LCD backlight
- Dashboard display lighting
- Center infotainment backlight
Alternative Models
| Manufacturer | Part Number | Notes |
|---|---|---|
| TI | TPS61195PWPRQ1 | 16-ch version |