DRV8834 2.2A Low Voltage Stepper w/ 32-step Indexer or Dual Brushed DC Motor Driver (Indexer or PH/EN Ctrl) | TI.com

DRV8834 (ACTIVE) 2.2A Low Voltage Stepper w/ 32-step Indexer or Dual Brushed DC Motor Driver (Indexer or PH/EN Ctrl)

 

Description

The DRV8834 provides a flexible motor driver solution for toys, printers, cameras, and other mechatronic applications. The device has two H-bridge drivers, and is intended to drive a bipolar stepper motor or two DC motors.

The output driver block of each H-bridge consists of N-channel power MOSFETs configured as an H-bridge to drive the motor windings. Each H-bridge includes circuitry to regulate or limit the winding current.

With proper PCB design, each H-bridge of the DRV8834 can driving up to 1.5-A RMS (or DC) continuously, at 25°C with a VM supply of 5 V. The device can support peak currents of up to 2.2 A per bridge. Current capability is reduced slightly at lower VM voltages.

Internal shutdown functions with a fault output pin are provided for overcurrent protection, short-circuit protection, undervoltage lockout and overtemperature. A low-power sleep mode is also provided.

The DRV8834 is packaged in a 24-pin HTSSOP or VQFN package with PowerPAD™ (Eco-friendly: RoHS & no Sb/Br).

Features

  • Dual-H-Bridge Current-Control Motor Driver
    • Capable of Driving Two DC Motors or One
      Stepper Motor
  • Two Control Modes:
    • Built-In Indexer Logic With Simple
      STEP/DIRECTION Control and Up to
      1/32-Step Microstepping
    • PHASE/ENABLE Control, With the Ability to
      Drive External References for > 1/32-Step
      Microstepping
  • Output Current 1.5-A Continuous, 2.2-A Peak per
    H-Bridge (at VM = 5 V, 25°C)
  • Low RDS(ON): 305-mΩ HS + LS
    (at VM = 5 V, 25°C)
  • Wide Power Supply Voltage Range:
    2.5 V to 10.8 V
  • Dynamic tBLANK and Mixed Decay Modes for
    Smooth Microstepping
  • PWM Winding Current Regulation and Limiting
  • Thermally Enhanced Surface-Mount Package

Parametrics

Compare all products in Stepper motor drivers Email Download to Excel
Part number Order Vs (Min) (V) Vs (Max) (V) Number of full bridges Approx. price (US$) Full-scale current (A) Peak output current (A) RDS(ON) (HS + LS) (Nom) (mOhms) Features Control mode Control interface Operating temperature range (C) Package Group
DRV8834 Order now 2.5     10.8     2     1.15 | 1ku     1.5     2     305     Current Regulation     STEP/DIR
PH/EN    
Hardware (GPIO)     -40 to 85     HTSSOP | 24
VQFN | 24    
DRV8833 Order now 2.7     10.8     2     0.90 | 1ku     1.5     2     360     Current Regulation     PWM     Hardware (GPIO)     -40 to 85     HTSSOP | 16
QFN | 16
TSSOP | 16    
DRV8833C Order now 2.7     10.8     2     0.75 | 1ku     0.7     1     1735     Current Regulation     PWM     Hardware (GPIO)     -40 to 85     HTSSOP | 16
WQFN | 16    
DRV8847 Order now 2.7     18     2     0.80 | 1ku     1     2     1000     Open-Load Detection
Current Regulation    
PWM
Independent 1/2 Bridge    
Hardware (GPIO)
I2C    
-40 to 125     HTSSOP | 16
TSSOP | 16
WQFN | 16