DRV8434 PHASE/EN control interface stepper motor driver board


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The DRV8434E evaluation module (EVM) allows easy evaluation of the DRV8434E device.

The DRV8434E devices are integrated motor-driver solutions for bipolar stepper motors or brushed DC motors. The device integrates two N-channel power MOSFET H-bridges, integrated current sense and regulation circuitry. The DRV8434E devices can be powered with a supply voltage from 4.5 to 48 V. A simple PHASE/EN control interface 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 DRV84xxEVM User's Guide.

  • 4.5-V to 48-V operating voltage range
  • Up to 4-A peak current
  • A simple PHASE/EN input interface
  • Integrated current sense
  • Smart tune technology
Stepper motor drivers
DRV8434E 48-V, 2.5-A bipolar stepper or dual brushed motor driver with integrated current sensing


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

DRV8434EEVM — DRV8434E motor driver evaluation module

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Support software

DRV84xxEVM software (Rev. A) — SLOC358A.ZIP (27707KB)

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

Technical documentation

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Type Title Date
* EVM User's guide DRV84XX_89XX_8256X Evaluation Module User's Guide (Rev. D) 30 Oct 2020
Certificate DRV8434EEVM EU RoHS Declaration of Conformity (DoC) 18 Jan 2021
User guide DRV84xxEVM GUI User’s Guide (Rev. A) 18 May 2020

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