Datasheet Details
| Part number | L99SM81V |
|---|---|
| Manufacturer | STMicroelectronics |
| File Size | 3.25 MB |
| Description | Programmable stepper motor driver |
| Datasheet |
 L99SM81V Datasheet
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General Description
The L99SM81V is an automotive grade integrated driver for bipolar two-phase stepper motors capable of current controlled microstepping with programmable amplitude.
Key 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.