DRV8812 1.6A Bipolar Stepper Motor Driver with 4-Level Current Regulation (PH/EN Ctrl) | TI.com

DRV8812
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1.6A Bipolar Stepper Motor Driver with 4-Level Current Regulation (PH/EN Ctrl)

1.6A Bipolar Stepper Motor Driver with 4-Level Current Regulation (PH/EN Ctrl) - DRV8812
Datasheet
 

Recommended alternative parts

  • DRV8884  -  The DRV8884 has integrated microstepping up to 1/16 and Integrated Current Sensing for Stepper Motor applications

Description

The DRV8812 provides an integrated motor driver solution for printers, scanners, and other automated equipment applications. The device has two H-bridge drivers, and can drive a bipolar stepper motor or two DC motors. The output driver block for each consists of N-channel power MOSFET’s configured as full H-bridges to drive the motor windings. The DRV8812 is capable of driving up to 1.6-A of output current (with proper heatsinking, at 24 V and 25°C).

A simple parallel digital control interface is compatible with industry-standard devices. Decay mode is programmable.

Internal shutdown functions are provided for over current protection, short circuit protection, under voltage lockout and overtemperature.

The DRV8812 is available in a 28-pin HTSSOP package with PowerPAD™ and in a 28-pin QFN package PowerPAD™ (Eco-friendly: RoHS & no Sb/Br).

Features

  • 8.2-V to 45-V Operating Supply Voltage Range
  • 1.6-A Maximum Drive Current at 24 V and
    TA = 25°C
  • Dual H-Bridge Current Control Motor Driver
    • Drive a Bipolar Stepper or Two DC Motors
    • Four Level Winding Current Control
  • Multiple Decay Modes
    • Mixed Decay
    • Slow Decay
    • Fast Decay
  • Industry Standard Parallel Digital Control Interface
  • Low Current Sleep Mode
  • Built In 3.3-V Reference Output Small Package
    and Footprint
  • Protection Features
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)
    • VM Undervoltage Lockout (UVLO)
    • Fault Condition Indication Pin (nFAULT)
  • APPLICATIONS
    • Automatic Teller Machines
    • Money Handling Machines
    • Video Security Cameras
    • Printers
    • Scanners
    • Office Automation Machines
    • Gaming Machines
    • Factory Automation
    • Robotics

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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$)
DRV8812 Order now 2     8.2     45     1.8     PH/EN     Hardware (GPIO)     4     Current Regulation     28HTSSOP: 43 mm2: 4.4 x 9.7 (HTSSOP | 28)
28VQFN: 25 mm2: 5 x 5 (VQFN | 28)    
1280     1.45 | 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