DRV8434S stepper drivers with stall detection and SPI interface evaluation module


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The DRV8434S evaluation module (EVM) allows easy evaluation of the DRV8434S device.

The DRV8434S is a fully integrated stepper motor driver, supporting up to 2.5 A full scale current with an internal microstepping indexer, smart tune decay technology, advanced stall detection algorithm, and integrated current sensing. The DRV8434S devices can be powered with a supply voltage from 4.5 to 48 V. A simple STEP/DIR control interface and SPI communication with daisy chain support allows for an external controller to manage the outputs. The decay mode can be selected as a slow, mixed decay, smart tune Ripple Control, or smart tune Dynamic Decay current regulation scheme.

For more information on this evaluation module please refer to the DRV8434SEVM User's Guide.

  • 4.5-V to 48-V operating voltage range
  • Up to 4-A peak current
  • A simple STEP/DIR input interface and SPI communication with daisy chain support
  • Integrated current sense and microstepping indexer
  • Smart tune technology
  • Stall detection
Stepper motor drivers
DRV8434S 48-V, 2.5-A bipolar stepper motor driver, integrated current sensing & stall detection (SPI)


MSP430 microcontrollers
MSP430F2617 16 MHz MCU with 92KB Flash, 8KB SRAM, 12-bit ADC, Dual 12-bit DAC, I2C/SPI/UART, HW multiplier, DMA

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Evaluation board

DRV8434SEVM — DRV8434S motor driver evaluation module

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Support software

DRV8434SEVM Software (Rev. B) — SLOC370B.ZIP (26691KB)

TI's Standard Terms and Conditions for Evaluation Items apply.

Design files

Technical documentation

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Type Title Date
* EVM User's guide DRV8434SEVM User's Guide 25 Nov 2020
Certificate DRV8434SEVM EU RoHS Declaration of Conformity (DoC) 07 Dec 2020
User guide DRV8434SEVM GUI User's Guide 25 Nov 2020

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