Open loop stepper

Products and reference designs

Open loop stepper

Block diagram


Our integrated circuits and reference designs help you create compact, robust and efficient open loop steppers with accurate high-resolution, micro-stepping and smooth torque profile. Integrated microstep indexer and current control with smart tuning accelerate time to market.

Design requirements:

Open loop stepper drive systems often require:

  • Efficient small form-factor hardware protected power stage with fault feedback.
  • Integrated microstepping indexer with stall detection.
  • Flexible decay modes for smooth torque and high resolution microstepping.
  • Input protection against reverse polarity and overcurrent.

Explore applications similar in function and design

Block diagram

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Technical documentation

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Type Title Date
Technical articles Inductive sensing: setting the sensor current-drive without a fancy impedance analyzer 24 Mar 2016
Technical articles Frequency references: Crystal oscillator operation and specs 20 Nov 2013
Technical articles Inductive sensing: How far can I sense? 17 Jun 2015
Application note Current Sensing in an H-Bridge (Rev. C) PDF | HTML 15 Aug 2022
White paper How smart tune regulates current in stepper motors (Rev. A) 11 May 2022
White paper Stepper Motors Made Easy with Smart Tune (Rev. C) PDF | HTML 10 May 2022
Application note Current Recirculation and Decay Modes (Rev. A) PDF | HTML 10 May 2022
Technical articles How to get started with current sense amplifiers ā€“ part 3 09 Jul 2015
White paper Fully integrated signal and power isolation ā€“ applications and benefits 04 Apr 2017
Application note Stepper Motor Driving with Peripheral Drivers (Rev. A) PDF | HTML 02 Jul 2018

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