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DRV8881

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45-V, 2-A bipolar stepper or dual h-bridge motor driver with current regulation & smart tune

Data sheet
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45-V, 2-A bipolar stepper or dual h-bridge motor driver with current regulation & smart tune

DRV8881

ACTIVE
Data sheet Order now

Product details

Parameters

Number of full bridges 2 Vs (Min) (V) 6.5 Vs ABS (Max) (V) 50 Full-scale current (A) 2 Peak output current (A) 2.5 RDS(ON) (HS + LS) (mOhms) 630 Sleep current (uA) 28 Control mode PH/EN, PWM Control interface Hardware (GPIO) Features Current Regulation, Smart Tune open-in-new Find other Stepper motor drivers

Package | Pins | Size

HTSSOP (PWP) 28 43 mm² 9.7 x 4.4 WQFN (RHR) 28 19 mm² 5.5 x 3.5 open-in-new Find other Stepper motor drivers

Features

  • Dual H-Bridge Motor Driver
    • Bipolar Stepper Motor Driver
    • Single or Dual Brushed-DC Motor Driver
  • 6.5- to 45-V Operating Supply Voltage Range
  • Two Control Interface Options
    • PHASE/ENABLE (DRV8881E)
    • PWM (DRV8881P)
  • Multiple Decay Modes to Support Any Motor
    • Smart tune (DRV8881E Only)
    • Mixed Decay
    • Slow Decay
    • Fast Decay
  • Adaptive Blanking Time for Smooth Motion
  • Parallel Mode Operation (DRV8881P Only)
  • Configurable Off-Time PWM Chopping
    • 10, 20, or 30 µs Off-Time
  • 3.3-V, 10-mA LDO Regulator
  • Low-Current Sleep Mode (28 µA)
  • Small Package and Footprint
    • 28 HTSSOP (PowerPAD)
    • 28 WQFN (PowerPAD)
  • Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Charge Pump Undervoltage (CPUV)
    • Overcurrent Protection (OCP)
    • Automatic OCP Retry
    • Thermal Shutdown (TSD)
    • Fault Condition Indication Pin (nFAULT)

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Description

The DRV8881 is a bipolar stepper or brushed-DC motor driver for industrial applications. The device output stage consists of two N-channel power MOSFET H-bridge drivers. The DRV8881 is capable of driving up to 2.5-A peak current or 1.4-A rms current per H-bridge (with proper PCB ground plane for thermal dissipation and at 24 V and TA = 25°C).

Smart tune automatically tunes motors for optimal current regulation performance and compensates for motor variation and aging effects. Smart tune is available on the DRV8881E. Additionally, slow, fast, and mixed decay modes are available.

The PH/EN (DRV8881E) or PWM (DRV8881P) pins provide a simple control interface. An internal sense amplifier allows for adjustable current control. A low-power sleep mode is provided for very-low quiescent current standby using a dedicated nSLEEP pin.

Internal protection functions are provided for undervoltage, charge pump faults, overcurrent, short-circuits, and overtemperature. Fault conditions are indicated by a nFAULT pin.

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Technical documentation

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Type Title Date
* Datasheet DRV8881 2.5-A Dual H-Bridge Motor Driver datasheet (Rev. A) Jul. 29, 2015
Application note Methods to Configure Current Regulation for Brushed and Stepper Motors (Rev. B) Jan. 19, 2021
Application note Smart Tune for Quiet and Smooth Stepper Motor Operation (Rev. A) Oct. 07, 2020
White paper Stepper Motors Made Easy with Smart Tune (Rev. C) Oct. 07, 2020
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
White paper How smart tune regulates current in stepper motors (Rev. A) Mar. 19, 2019
Application note Best Practices for Board Layout of Motor Drivers (Rev. A) Jan. 22, 2019
Application note Smart Tuning for Efficient Stepper Driving Nov. 20, 2018
Technical article Getting smart about tuning your stepper motor Aug. 23, 2018
Application note PowerPAD™ Thermally Enhanced Package (Rev. H) Jul. 06, 2018
Technical article The story of motor-drive integration Jan. 09, 2017
More literature TM4C123x Stepper Motor Control Product Summary Jul. 06, 2015
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
49
Description

DRV8881E is a dual H-bridge motor driver that can drive either a stepper motor or dual brushed DC motor driver with a Phase/Enable control interface. For stepper motors, this device also features TI's AutoTune™ adaptive decay mode. Aimed at 24V motors, this device also features AutoTune&trade (...)

Features
  • DRV8881E 6.5-45V, dual H-bridge motor driver
  • MSP430 MCU onboard
  • GUI for tuning
  • Supports 1.4A RMS current output to motor per H-bridge (2.5A peak)
View details
EVALUATION BOARD Download
document-generic User guide
49
Description

DRV8881P is a dual H-bridge motor driver that can drive either a stepper motor or dual brushed DC motor with a PWM control interface. Also aimed at 24V motors, this device supports slow, fast and mixed decay settings to tune the motors' performance. The DRV8881PEVM (evaluation module) serves as a (...)

Features
  • DRV8881P 6.5-45V, dual H-bridge motor driver
  • MSP430 MCU onboard
  • GUI for tuning
  • Supports 1.4A RMS current output to motor per H-bridge (2.5A peak)
View details

CAD/CAE symbols

Package Pins Download
HTSSOP (PWP) 28 View options
WQFN (RHR) 28 View options

Ordering & quality

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  • Qualification summary
  • Ongoing reliability monitoring

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