2A Stepper Motor Driver with 1/16 Microstepping Indexer and AutoTune (STEP/DIR Ctrl) - DRV8880

DRV8880 (ACTIVE)

2A Stepper Motor Driver with 1/16 Microstepping Indexer and AutoTune (STEP/DIR Ctrl)

 

Description

The DRV8880 is a bipolar stepper motor driver for industrial applications. The device has two N-channel power MOSFET H-bridge drivers and a microstepping indexer. The DRV8880 is capable of driving 2.0 A full-scale current or 1.4-A rms current (with proper PCB ground plane for thermal dissipation and at 24 V and TA = 25°C).

AutoTune™ automatically tunes stepper motors for optimal current regulation performance and compensates for motor variation and aging effects. Additionally slow, fast, and mixed decay modes are available.

The STEP/DIR pins provide a simple control interface. The device can be configured in full-step up to 1/16- step modes. 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

  • Microstepping Stepper Motor Driver
    • STEP/DIR Interface
    • Up to 1/16 Microstepping Indexer
    • Non-Circular and Standard 1/2 Step Modes
  • 6.5- to 45-V Operating Supply Voltage Range
  • Multiple Decay Modes to Support Any Motor
    • AutoTune
    • Mixed Decay
    • Slow Decay
    • Fast Decay
  • Adaptive Blanking Time for Smooth Stepping
  • 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 (UVLO2)
    • Logic Undervoltage (UVLO1)
    • Charge Pump Undervoltage (CPUV)
    • Overcurrent Protection (OCP)
      • Latched OCP Mode
      • Retry OCP Mode
    • Thermal Shutdown (TSD)
    • Fault Condition Indication Pin (nFAULT)

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Parametrics Compare all products in Stepper Drivers with FETs

 
Vs (Min) (V)
Vs (Max) (V)
# of Full Bridges
RDS(ON) (HS + LS) (mOhms)
RMS Output Current (A)
Peak Output Current (A)
Current Regulation Levels
Control I/F
Additional Features
# of half-bridges
Pin/Package
# Output Channels
Rating
Operating Temperature Range (C)
Approx. Price (US$)
DRV8880 DRV8881
6.5     6.5    
45     45    
2     2    
630     630    
1.41     1.41    
2.5     2.5    
16      
Indexer     PWM, PH/EN    
AutoTune
Adaptive blanking time
Configurable off-time PWM
Dedicated Sleep Pin
Torque DAC    
AutoTune
Adaptive blanking time
Configurable off-time PWM
Dedicated Sleep Pin
Higher Microstepping with External Reference
Outputs can be paralleled    
4     4    
28HTSSOP
28WQFN    
28HTSSOP
28WQFN    
1      
Catalog     Catalog    
-40 to 125     -40 to 125    
1.92 | 1ku     1.60 | 1ku    

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