38-V, 1.9-A bipolar stepper motor driver with current regulation and 1/8 microstepping


Product details


Number of full bridges 2 Vs (Min) (V) 8 Vs (Max) (V) 38 Full-scale current (A) 1.9 Peak output current (A) 2.5 RDS(ON) (HS + LS) (mOhms) 1000 Sleep current (uA) 12 Control mode STEP/DIR Control interface Hardware (GPIO) Micro-stepping levels 8 Features Current Regulation open-in-new Find other Stepper motor drivers

Package | Pins | Size

HTSSOP (PWP) 28 43 mm² 4.4 x 9.7 open-in-new Find other Stepper motor drivers


  • Pulse Width Modulation (PWM) Microstepping Motor Driver
    • Up to 1/8-Step Microstepping Indexer
    • Step and Direction Control
    • Programmable Mixed Decay, Blanking, and Off-Time
  • Up to 1.9-A Current Per Winding
  • Low 1.0-Ω (HS+LS) MOSFET RDS(on) (25°C)
  • 8-V to 38-V Operating Supply Voltage Range
  • Pin-to-Pin Compatible With the DRV8818
  • Thermally Enhanced Surface Mount Package
  • Protection Features:
    • VM Undervoltage Lockout (UVLO)
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)

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open-in-new Find other Stepper motor drivers


The DRV8811 device provides an integrated stepper motor driver solution for printers, scanners, and other automated equipment applications. The device has two H-bridge drivers, as well as microstepping indexer logic to control a stepper motor.

The output driver block consists of N-channel power MOSFETs configured as full H-bridges to drive the motor windings.

A simple STEP-and-DIR interface allows easy interfacing to controller circuits. Step mode pins allow for configuration of the motor in full-step, half-step, quarter-step, or eighth-step modes. Decay mode and PWM off-time are programmable.

Internal shutdown functions are provided for overcurrent protection, short-circuit protection, undervoltage lockout and overtemperature.

The DRV8811 device is packaged in a PowerPAD™ 28-pin HTSSOP package with thermal pad.

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Similar but not functionally equivalent to the compared device:
DRV8885 ACTIVE 37-V, 1.5-A bipolar stepper motor driver with integrated current sensing & 1/16 microstepping The DRV8885 includes Integrated Current Sensing for 24V applications

Technical documentation

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Type Title Date
* Datasheet DRV8811 Stepper Motor Controller IC datasheet (Rev. J) Apr. 26, 2017
Technical articles Drive unipolar stepper motors as bipolar stepper motors with a simple wiring reconfiguration Apr. 09, 2020
Application notes Various Reference Voltage Driving Techniques for Motor Drive Current Regulation (Rev. A) Jan. 27, 2020
Technical articles How stepper motors improve noise and efficiency in automotive system design Nov. 19, 2019
Application notes Best Practices for Board Layout of Motor Drivers (Rev. A) Jan. 22, 2019
Technical articles Getting smart about tuning your stepper motor Aug. 23, 2018
Application notes PowerPAD™ Thermally Enhanced Package (Rev. H) Jul. 06, 2018
User guides DRV8811 EVM GUI (Rev. C) Apr. 26, 2017
Technical articles The story of motor-drive integration Jan. 09, 2017
More literature TM4C123x Stepper Motor Control Product Summary Jul. 06, 2015
Application notes Intelligent Stepper Motor Driver with DRV8811/18/24/25 (Rev. A) Jan. 08, 2014
Application notes Applying acceleration and deceleration profiles to bipolar stepper motors Jul. 17, 2012
Application notes Calculating Motor Driver Power Dissipation Feb. 06, 2012
Application notes Understanding Motor Driver Current Ratings Feb. 06, 2012
Application notes DRV88xx Current Recirculation and Decay Modes Application Report Mar. 02, 2009
Application notes PowerPAD™ Made Easy (Rev. B) May 12, 2004

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

document-generic User guide

DRV8811 Stepper motor controller evaluation module includes device, cabling and software to ease the evaluation of the device when driving a customer's motor.

  • DRV8811 Stepper motor controller
  • Easy to use GUI to allow for easy setup
  • Includes all necessary cabling and software to control DRV8811

Software development

SLVC404D.ZIP (14299 KB)

Design tools & simulation

SLVC587.ZIP (310 KB)

CAD/CAE symbols

Package Pins Download
HTSSOP (PWP) 28 View options

Ordering & quality

Support & training

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