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DRV8834
  • DRV8834
  • DRV8834
  • DRV8834

DRV8834

ACTIVE

11-V, 1.5-A,  dual H-bridge or stepper motor driver with 1/32 microstep indexer

Texas Instruments DRV8834 Product Info

1 April 2026 4

Parameters

Vs ABS (max) (V)

11.8

Vs (min) (V)

2.5

Peak output current (A)

2

Control mode

PH/EN, STEP/DIR

Control interface

Hardware (GPIO)

Number of full bridges

2

Full-scale current (A)

1.5

RDS(ON) (HS + LS) (mΩ)

305

Sleep current (µA)

0.6

Microstepping levels

32

Decay mode

Mixed

Features

Current Regulation

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Package

HTSSOP (PWP)-24-49.92 mm² 7.8 x 6.4

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
  • 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

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).

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