Our automotive LED lighting driver solution is a complete S32K platform-based design that provides overvoltage, undervoltage, short-circuit and open-circuit protection to keep the system running reliably. LIN bus communication allows every channel to be controlled independently, making the most of the stylish, eye-catching look of LED tail lights.
Key Points
- Up to 14 channels of independent 256-step PWM dimming
- LIN bus communication for stable, reliable control
- External resistors allow linear constant-current control with optimized thermal distribution
- All devices comply with the AEC-Q100 standard
Solution Overview
This S32K-based bus-controlled automotive lighting solution is AEC-Q100 qualified. Each LED driver channel has its own fault diagnostic feedback mechanism, and the combined SBC and buck-boost device delivers a feature-rich solution with a low BOM count, making it our recommended choice for automotive lighting.
Recommended MCU
- S32K series
Core Components
- IC: FS32K116LAT0VFMT (NXP)
- IC: ELMOS, full part number available on request
- IC: NXP, full part number available on request
Applications
Brake lights, position lights, turn signals, fog lights, daytime running lights, side marker lights, reverse lights
Reference Design LED Tail Light Demo Board
- Up to 14 channels of linear constant-current output
- Ultra-low quiescent current LDO, entering low-power mode when required
- Reserved UART interface for easy debugging and testing
- Complete hardware design documentation
- Complete software design documentation
Functional Block Diagram
