L99SM81V Programmable stepper motor driver for automotive applications with micro-stepping and stall detection Datasheet - Production data Features  AEC-Q100 qualified  Stepper motor driver with up to 1.
35 A current capability  Programmable Step mode:  Full step, Half step, Mini step, 1/8 Micro step, 1/16 Micro step  Current regulation by integrated PWM control with fully integrated current sensing  Equivalent 10 bit resolution on current regulation loop:  Two 4-bit programmable full scale current amplitudes: one for RUN and one for HOLD mode  6-bit DAC for reference current generation (whatever programmed full scale amplitude)  4 programmable decay modes:  Slow-mode, mixed-mode ...

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