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1.9A Bipolar Stepper Motor Driver with On-Chip 1/8 Microstepping Indexer (Step/Dir Ctrl)


Package | PIN: PWP | 28
Temp: I (-40 to 85)
Carrier: Partial Tube
Qty Price
1-9 $3.35
10-24 $3.02
25-99 $2.82
100-249 $2.53
250-499 $2.36
500-749 $2.05
750-999 $1.78
1000+ $1.74


  • Pulse Width Modulation (PWM) Microstepping Motor Driver
    • Up to 1/8-Step Microstepping Indexer
    • Step and DirectionControl
    • 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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Texas Instruments  DRV8811PWP

The DRV8811 device provides an integrated stepper motor driversolution for printers, scanners, and other automated equipment applications. The device has twoH-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-bridgesto drive the motor windings.

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

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

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