TIDA-00115

Low Voltage Brushed Motor System

TIDA-00115

Design files

Overview

This brushed motor system implements an MSP430 microcontroller, a DRV8837 brushed DC motor driver, and a 12V brushed motor. It is suitable for applications requiring up to 10300 RPM under no load condition. The system is 19 x 33 mm, excluding the motor, making it ideal for applications that require a small footprint. Motor power supply voltage support is 1.8V to 11V, and max current is 1.8A.  Several configuration options allow for easy control over the speed of the motor's rotation, changing the direction of rotation, and sending the system into a low power state when not in operation to reduce power consumption. The motor drive stage has integrated protection from short-circuit, shoot-through, under-voltage, and over-temperature.

Features
  • Compact system design of 19x33 mm
  • Integrated power FETs support 1.8V to 11V and 1.8A
  • Motor speed is easily controlled by the PWM (IN/IN) input interface
  • Low MOSFET  on-Resistance of 280 mΩ
  • Integrated protection for short-circuit, shoot-through, under-voltage, and over-temperature

Design files & products

Design files

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

TIDC194.ZIP (562 K)

Detailed schematic diagram for design layout and components

TIDR298.PDF (78 K)

Detailed schematic diagram for design layout and components

TIDR299.PDF (206 K)

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

Products

Includes TI products in the design and potential alternatives.

Brushed DC (BDC) motor drivers

DRV883712-V, 1.8-A H-bridge motor driver

Data sheet document-pdfAcrobat PDF open-in-new HTML
Brushed DC (BDC) motor drivers

DRV8837C12-V, 1-A H-bridge motor driver

Data sheet document-pdfAcrobat PDF open-in-new HTML
Brushed DC (BDC) motor drivers

DRV883811-V, 1.8-A H-bridge motor driver with phase/enable control

Data sheet document-pdfAcrobat PDF open-in-new HTML
MSP430 microcontrollers

MSP430G213116 MHz MCU with 1KB Flash, 128B SRAM, 10-bit ADC, SPI/I2C, timer

Data sheet document-pdfAcrobat PDF

Start development

Hardware

Evaluation board

DRV8837EVM – DRV8837 Evaluation Module

The DRV8837 evaluation module (EVM) demonstrates the capabilities and performance of the DRV8837 motor driver from Texas Instruments. User can control the DRV8837 with the onboard MS430 microcontroller or with an external microcontroller.

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Technical documentation

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Type Title Date
User guide TIDA-00115 Test Results Nov. 15, 2013

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