Description
The L99SM81V is an automotive grade integrated driver for bipolar two-phase stepper motors capable of current controlled microstepping with programmable amplitude.
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 s.
L99SM81V-STMicroelectronics.pdf
