H-Bridge brushed and stepper motor control solution


Design files


This reference design demonstrates a motor control solution for spinning three-phase brushed DC or single stepper motor - featuring the C2000™ Piccolo™ microcontroller and the DRV8412 three-phase motor driver. This highly integrated, robust motor control and driver solution speeds development time for brushed and stepper motors running up to 6 A continuous / 12 A peak at 50 V. Typical applications include medical pumps, gate openers, stage lighting, textile manufacturing tools, and industrial or consumer robotics. This reference design is based on the DRV8412 evaluation kit.


  • High-efficiency power stage (up to 97%) with low RDS(on) MOSFETs (110 mΩ at TJ = 25°C)
  • Operating supply voltage up to 52 V
  • Integrated self-protection circuits including undervoltage, over-temperature, overload, and short circuit
  • Closed-loop digital control with feedback using the C2000’s on-chip PWM and ADC peripherals
  • High precision low-side current sensing using the C2000’s high-performance ADC, Texas Instruments OPA2350 high speed op-amps and Texas Instrument REF3025 high precision voltage reference chip
  • Fully-functional evaluation board includes software, hardware design files, quick start graphical interface, and step-by-step documentation
NOTE: Software for this board can be found inside the controlSUITE™ software package. Download controlSUITE at ti.com/controlsuite. Once installed, navigate to "DRV8412-C2-KIT Brushed and Stepper Motor Control" under the Development Tools -> Motor section.

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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDR736.PDF (98 K)

Detailed schematic diagram for design layout and components

TIDR737.PDF (150 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDC468.ZIP (14621 K)

Design file that contains information on physical board layer of design PCB


Includes TI products in the design and potential alternatives.

C2000 real-time microcontrollers

TMS320F28035C2000™ 32-bit MCU with 60 MHz, 128 KB flash, CLA

Data sheet: PDF | HTML
C2000 real-time microcontrollers

TMS320F28035-Q1Automotive C2000™ 32-bit MCU with 60 MHz, 128 KB flash, CLA

Data sheet: PDF | HTML
Precision op amps (Vos<1mV)

OPA2350Dual single-supply, rail-to-rail, high speed, low-noise operational amplifier

Data sheet: PDF | HTML
Series voltage references

REF30252.5-V, 50-ppm/°C, 50-µA in 3-pin SOT-23 package series (bandgap) voltage reference

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Application note Dual-Axis Current Control of Brushed DC Motors May 27, 2014
Application note Dual-Axis Current Control of Brushed DC Motors Application Report Apr. 29, 2014
User guide DRV8412-C2-KIT Hardware Reference Guide Apr. 29, 2014

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