L99SM81V - Programmable stepper motor driver

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.

STMicroelectronics

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Datasheet Details

Part number	L99SM81V
Manufacturer	STMicroelectronics
File Size	3.25 MB
Description	Programmable stepper motor driver
Datasheet	L99SM81V Datasheet
Additional preview pages of the L99SM81V datasheet.

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Full PDF Text Transcription

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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.

Published: May 7, 2020 |