TIDRV8434ARGER
Overview
The DRV8434ARGER is a high-performance bipolar stepper motor driver featuring an integrated N-channel MOSFET power stage and a microstepping indexer. It supports a wide operating voltage from 4.5V to 48V and can deliver up to 4A peak output current, making it suitable for demanding industrial and automation tasks. The device includes proprietary smart tune ripple control technology to optimize decay modes automatically for quiet and efficient motor operation.
Why Choose This Part
Integrated stall detection and open-load detection reduce the need for external sensors and improve system reliability. The smart tune decay modes eliminate the need for manual tuning of PWM cycles, while spread spectrum clocking helps meet strict EMI requirements in sensitive environments.
Applications
Key Specifications
Getting Started
Evaluation can be performed using the DRV8434AEVM board which allows for direct control of the STEP/DIR interface. Ensure adequate thermal relief on the 24-VQFN exposed pad to handle high current loads, and configure the VREF pin to set the desired current limit for the stepper windings.
DRV8434 Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | Function | Stock |
|---|---|---|
| DRV8434ARGER (this part) | Driver - Fully Int.. | 3,827 |
| DRV8434AEVM | Motor Controller/D.. | 61 |



