Stepper-motor for adaptive front lights
This reference design from Texas Instruments details a solution to drive and control two stepper motors for dynamic headlight levelling and swivelling in automotive headlight applications such as an adaptive LED driving module or a high-resolution DLP module.
It uses a local interconnect network (LIN) system basic chip with integrated linear voltage regulator, two stepper motor drivers with a serial peripheral interface (SPI) and a microcontroller LaunchPad development kit.
- Up to 1-A motor current
- CISPR25 compliant
- Fully integrated solution
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