Optoelectronics

Stepper-motor driver for adaptive front lights

23rd January 2020
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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.

The design features up to one amp motor current, is CISPR25 compliant and functions as a fully integrated solution.

To learn more, click here.

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