DRV8881 2A Stepper Motor Driver with smart tuning technology (PWM or PH/EN Ctrl) | TI.com

DRV8881
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2A Stepper Motor Driver with smart tuning technology (PWM or PH/EN Ctrl)

2A Stepper Motor Driver with smart tuning technology (PWM or PH/EN Ctrl) - DRV8881
Datasheet
 

Recommended alternative parts

  • DRV8886AT  -  The DRV8886AT has integrated microstepping up to 1/16, Integrated Current Sensing, and adaptive decay mode for Stepper Motor applications

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).

AutoTune™ automatically tunes motors for optimal current regulation performance and compensates for motor variation and aging effects. AutoTune 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.

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
    • AutoTune™ (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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Parametrics

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Part number Order Number of full bridges Vs (Min) (V) Vs (Max) (V) Peak output current (A) Control mode Control interface Micro-stepping levels Features Package size: mm2:W x L (PKG) RDS(ON) (HS + LS) (mOhms) Approx. price (US$)
DRV8881 Order now 2     6.5     45     2.5     PH/EN
PWM    
Hardware (GPIO)       Smart Tune
Current Regulation    
28HTSSOP: 43 mm2: 4.4 x 9.7 (HTSSOP | 28)
28WQFN: 19 mm2: 3.5 x 5.5 (WQFN | 28)    
630     1.53 | 1ku    
DRV8436 Order now 2     4.5     48     2.5     STEP/DIR     Hardware (GPIO)     256     Smart Tune
Integrated Current Sensing    
24HTSSOP: 34 mm2: 4.4 x 7.8 (HTSSOP | 24)     900     1.35 | 1ku    
DRV8436E Order now 2     4.5     45     2.5     PH/EN
PWM    
Hardware (GPIO)       Smart Tune
Integrated Current Sensing    
24HTSSOP: 34 mm2: 4.4 x 7.8 (HTSSOP | 24)     900     1.35 | 1ku    
DRV8813 Order now 2     8.2     45     3     PH/EN     Hardware (GPIO)     4     Current Regulation     28HTSSOP: 43 mm2: 4.4 x 9.7 (HTSSOP | 28)     400     1.55 | 1ku    
DRV8824 Order now 2     8.2     45     1.8     STEP/DIR     Hardware (GPIO)     32     Current Regulation     28HTSSOP: 43 mm2: 4.4 x 9.7 (HTSSOP | 28)
28VQFN: 25 mm2: 5 x 5 (VQFN | 28)    
1280     1.50 | 1ku    
DRV8825 Order now 2     8.2     45     3     STEP/DIR     Hardware (GPIO)     32     Current Regulation     28HTSSOP: 43 mm2: 4.4 x 9.7 (HTSSOP | 28)     400     1.60 | 1ku    
DRV8843 Order now 2     8.2     45     3     PWM     Hardware (GPIO)     4     Current Regulation     28HTSSOP: 43 mm2: 4.4 x 9.7 (HTSSOP | 28)     400     1.55 | 1ku    
DRV8880 Order now 2     6.5     45     2.5     STEP/DIR     Hardware (GPIO)     16     Smart Tune
Current Regulation    
28HTSSOP: 43 mm2: 4.4 x 9.7 (HTSSOP | 28)
28WQFN: 19 mm2: 3.5 x 5.5 (WQFN | 28)    
630     1.57 | 1ku    
DRV8885 Order now 2     8     37     2.3     STEP/DIR