text.skipToContent text.skipToNavigation


35V, 2.5A bipolar stepper motor driver with integrated current sensing and 1/256 microstepping

Inventory: 359

Quality information

Lead finish / Ball material Call TI
MSL rating / Peak reflow Call TI
Material content View
DPPM / MTBF / Fit rate View
Qualification summary View
Ongoing reliability monitoring View
Device marking View

Packaging information

Package | Pins Package qty | Carrier Operating temperature range (°C)
-40 to 125
Package | Pins HTSSOP (PWP) | 28
Package qty | Carrier 1 | LARGE T&R
Operating temperature range (°C) -40 to 125
View TI packaging information

Features for the DRV8424

  • PWM Microstepping Stepper Motor Driver
    • Simple STEP/DIR Interface
    • Up to 1/256 Microstepping Indexer
  • Integrated Current Sense Functionality
    • No Sense Resistors Required
    • ±5% Full-Scale Current Accuracy
  • Smart tune decay technology, Fixed slow, and mixed decay options
  • 4.5 to 33-V Operating Supply Voltage Range
  • Low RDS(ON):
    • DRV8424: 330 mΩ HS + LS at 24 V, 25°C
    • DRV8425: 550 mΩ HS + LS at 24 V, 25°C
  • High Current Capacity Per Bridge
    • DRV8424: 4A peak, 2.5A Full-Scale, 1.8A rms
    • DRV8425: 3.2A peak, 2A Full-Scale, 1.4A rms
  • Pin to pin compatible with -

  • Configurable Off-Time PWM Chopping
    • 7-µs, 16-µs, 24-µs, or 32-µs.
  • Supports 1.8-V, 3.3-V, 5.0-V Logic Inputs
  • Low-Current Sleep Mode (2 µA)
  • Spread spectrum clocking for low electromagnetic interference (EMI)
  • Small Package and Footprint
  • Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Charge Pump Undervoltage (CPUV)
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (OTSD)
    • Fault Condition Output (nFAULT)

All trademarks are the property of their respective owners.

Description for the DRV8424

The DRV8424/25 are stepper motor drivers for industrial and consumer applications. The device is fully integrated with two N-channel power MOSFET H-bridge drivers, a microstepping indexer, and integrated current sensing. The DRV8424 is capable of driving up to 2.5-A full-scale output current; and the DRV8425 is capable of driving up to 2-A full-scale output current (dependent on PCB design).

The DRV8424/25 use an internal current sense architecture to eliminate the need for two external power sense resistors, saving PCB area and system cost. The devices use an internal PWM current regulation scheme selectable between smart tune, fast, slow and mixed decay options. Smart tune automatically adjusts for optimal current regulation, compensates for motor variation and aging effects and reduces audible noise from the motor.

A simple STEP/DIR interface allows an external controller to manage the direction and step rate of the stepper motor. The device can be configured in full-step to 1/256 microstepping. A low-power sleep mode is provided using a dedicated nSLEEP pin. Protection features are provided for supply undervoltage, charge pump faults, overcurrent, short circuits, and overtemperature. Fault conditions are indicated by the nFAULT pin.


Qty Price (USD)
1-99 2.727
100-249 2.39
250-999 1.675
1,000+ 1.35