DRV8811

ACTIVE

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

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Product details

Parameters

Number of full bridges 2 Vs (Min) (V) 8 Vs ABS (Max) (V) 40 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 Rating Catalog Operating temperature range (C) -40 to 85 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

Features

  • 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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Description

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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Technical documentation

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Type Title Date
* Data sheet DRV8811 Stepper Motor Controller IC datasheet (Rev. J) Apr. 26, 2017
Application note Calculating Power Dissipation for a H-Bridge or Half Bridge Driver (Rev. A) Jul. 22, 2021
Application note Current Recirculation and Decay Modes (Rev. A) Apr. 20, 2021
Application note Intelligent Stepper Motor Driver (Rev. B) Jan. 20, 2021
Application note Methods to Configure Current Regulation for Brushed and Stepper Motors (Rev. B) Jan. 19, 2021
Technical article Drive unipolar stepper motors as bipolar stepper motors with a simple wiring reconfiguration Apr. 09, 2020
Technical article How stepper motors improve noise and efficiency in automotive system design Nov. 19, 2019
Application note Best Practices for Board Layout of Motor Drivers (Rev. A) Jan. 22, 2019
Technical article Getting smart about tuning your stepper motor Aug. 23, 2018
Application note PowerPAD™ Thermally Enhanced Package (Rev. H) Jul. 06, 2018
User guide DRV8811 EVM GUI (Rev. C) Apr. 26, 2017
Technical article The story of motor-drive integration Jan. 09, 2017
More literature TM4C123x Stepper Motor Control Product Summary Jul. 06, 2015
Application note Applying acceleration and deceleration profiles to bipolar stepper motors Jul. 17, 2012
Application note Understanding Motor Driver Current Ratings Feb. 06, 2012
Application note 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

EVALUATION BOARD Download
document-generic User guide
149
Description

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

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

Software development

SUPPORT SOFTWARE Download
SLVC404D.ZIP (14299 KB)

Design tools & simulation

SCHEMATIC Download
SLVC587.ZIP (310 KB)

CAD/CAE symbols

Package Pins Download
HTSSOP (PWP) 28 View options

Ordering & quality

Information included:
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  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

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