DRV8825 Stepper Motor Driver[Video&FAQ]: Pinout, Datasheet, and Applications

UTMEL

Published: 28 April 2022 | Last Updated: 28 April 2022

8811

DRV8825EVM

DRV8825EVM

Texas Instruments

EVAL MODULE FOR DRV8825

Purchase Guide

EVAL MODULE FOR DRV8825

DRV8825 is a carrier board or breakout board for the DRV8825 stepper motor driver from Texas Instruments. This article is going to talk about the pinout, features, applications, and more detailed information about DRV8825.

This video demonstrates detailed information about how to  control stepper motor driver with DRV8825 Module.

How to Control a Stepper Motor with DRV8255 and Arduino

Overview of DRV8825

Because DRV8825 is a carrier board or breakout board for the DRV8825 stepper motor driver from Texas Instruments, we recommend that you read the datasheet before using it. One bipolar stepper motor with an output current of up to 2.2 amps per coil can be controlled with this stepper motor driver (see the Power Dissipation Considerations section below for more information).


DRV8825 Features

  • Simple step and direction control interface

  • Six different step resolutions: full-step, half-step, 1/4-step, 1/8-step, 1/16-step, and 1/32-step

  • Adjustable current control lets you set the maximum current output with a potentiometer, which lets you use voltages above your stepper motor’s rated voltage to achieve higher step rates

  • Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay)

  • 45 V maximum supply voltage

  • Built-in regulator (no external logic voltage supply needed)

  • Can interface directly with 3.3 V and 5 V systems

  • Over-temperature thermal shutdown, over-current shutdown, and under-voltage lockout

  • Short-to-ground and shorted-load protection

  • 4-layer, 2 oz copper PCB for improved heat dissipation

  • Exposed solderable ground pad below the driver IC on the bottom of the PCB

  • Module size, pinout, and interface match those of our A4988 stepper motor driver carriers in most respects (see the bottom of this page for more information)


DRV8825 Pinout

DRV8825 Pinout.png

DRV8825 Pinout

Pin NameDescription
VDD & GNDConnected to 5V and GND of Controller
VMOT & GND MOTUsed to power the motor
B1, B2 & A1, A2Output Pins, Connected to the 4 Wires of motor
DIRECTIONMotor Direction Control pin
STEPSteps Control Pin
M0, M1, M2Microstep Selection Pins
FAULTFault Detection Pin
SLEEPPins For Controlling Power States
RESET-
ENABLE-


DRV8825 Using Driver

DRV8825 Using the driver.png

DRV8825 Using the driver

Specifications

Texas Instruments DRV8825EVM technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments DRV8825EVM.
  • Type
    Parameter
  • Lifecycle Status

    Lifecycle Status refers to the current stage of an electronic component in its product life cycle, indicating whether it is active, obsolete, or transitioning between these states. An active status means the component is in production and available for purchase. An obsolete status indicates that the component is no longer being manufactured or supported, and manufacturers typically provide a limited time frame for support. Understanding the lifecycle status is crucial for design engineers to ensure continuity and reliability in their projects.

    ACTIVE (Last Updated: 3 days ago)
  • Factory Lead Time
    4 Weeks
  • Package / Case

    refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

    Module
  • Number of Pins
    0
  • Part Status

    Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

    Active
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

    1 (Unlimited)
  • Type
    Power Management
  • Function

    The parameter "Function" in electronic components refers to the specific role or purpose that the component serves within an electronic circuit. It defines how the component interacts with other elements, influences the flow of electrical signals, and contributes to the overall behavior of the system. Functions can include amplification, signal processing, switching, filtering, and energy storage, among others. Understanding the function of each component is essential for designing effective and efficient electronic systems.

    Motor Controller/Driver, Stepper
  • Interface

    In electronic components, the term "Interface" refers to the point at which two different systems, devices, or components connect and interact with each other. It can involve physical connections such as ports, connectors, or cables, as well as communication protocols and standards that facilitate the exchange of data or signals between the connected entities. The interface serves as a bridge that enables seamless communication and interoperability between different parts of a system or between different systems altogether. Designing a reliable and efficient interface is crucial in ensuring proper functionality and performance of electronic components and systems.

    USB
  • Output Current

    The rated output current is the maximum load current that a power supply can provide at a specified ambient temperature. A power supply can never provide more current that it's rated output current unless there is a fault, such as short circuit at the load.

    2.5A
  • Utilized IC / Part

    Utilized IC / Part is a parameter that refers to the extent to which an integrated circuit (IC) or electronic component is being used or consumed within a system or application. It typically indicates the percentage or ratio of the component's capabilities that are being utilized in a given scenario. This parameter is important for assessing the efficiency and performance of the component, as well as for determining if the component is being underutilized or overburdened in a particular application. Monitoring and optimizing the utilization of ICs and electronic parts can help improve overall system reliability, efficiency, and cost-effectiveness.

    DRV8825
  • Supplied Contents

    Supplied Contents in electronic components refers to the items or materials that are included with the component when it is purchased. These contents can vary depending on the specific component and manufacturer, but typically include things like user manuals, installation guides, cables, connectors, and any additional accessories needed for the component to function properly. The supplied contents are important for ensuring that the user has everything they need to set up and use the electronic component correctly. It is recommended to carefully check the supplied contents upon receiving a new electronic component to make sure that nothing is missing and to familiarize oneself with the included materials for optimal use.

    Board(s)
  • Evaluation Kit

    An Evaluation Kit is a collection of hardware and software components designed to help engineers and developers assess and test the functionality of a particular electronic component or system. It typically includes a development board, sample code, utilities, and documentation to facilitate development and prototype testing. Evaluation Kits enable users to quickly prototype applications, evaluate performance characteristics, and determine compatibility with other systems. They are commonly used in the design and development phases of electronic projects to simplify the integration of complex components.

    Yes
  • Primary Attributes

    Primary attributes in electronic components refer to the essential characteristics that define the performance and functionality of the component. These attributes typically include parameters such as voltage rating, current rating, resistance, capacitance, and power dissipation. Understanding these primary attributes is crucial for selecting the appropriate component for specific applications and ensuring reliable operation within the desired electrical specifications.

    Dual Full-Bridge (H-Bridge) Driver with PWM Current Controller
  • Embedded

    The term "Embedded" in electronic components refers to a system or device that is designed to perform specific functions within a larger system or product. These components are typically integrated into a larger system and are not meant to be easily removed or replaced. Embedded components are often used in applications where space is limited, and where specific functions need to be performed efficiently and reliably. These components can include microcontrollers, sensors, memory chips, and other specialized hardware that work together to provide the desired functionality within the overall system. Overall, embedded components play a crucial role in the operation of various electronic devices and systems by providing specific functions and capabilities.

    Yes, MCU, 16-Bit
  • Secondary Attributes

    In electronic components, secondary attributes refer to additional characteristics or properties of a component beyond its primary function or specifications. These attributes may include features such as operating temperature range, tolerance levels, packaging type, and environmental certifications. Secondary attributes are important for ensuring compatibility, reliability, and performance of the component in a specific application or environment. Understanding and considering these secondary attributes is crucial for selecting the right component that meets the requirements of a particular electronic system or design.

    Graphic User Interface
  • REACH SVHC

    The parameter "REACH SVHC" in electronic components refers to the compliance with the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation regarding Substances of Very High Concern (SVHC). SVHCs are substances that may have serious effects on human health or the environment, and their use is regulated under REACH to ensure their safe handling and minimize their impact.Manufacturers of electronic components need to declare if their products contain any SVHCs above a certain threshold concentration and provide information on the safe use of these substances. This information allows customers to make informed decisions about the potential risks associated with using the components and take appropriate measures to mitigate any hazards.Ensuring compliance with REACH SVHC requirements is essential for electronics manufacturers to meet regulatory standards, protect human health and the environment, and maintain transparency in their supply chain. It also demonstrates a commitment to sustainability and responsible manufacturing practices in the electronics industry.

    No SVHC
  • RoHS Status

    RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

    Non-RoHS Compliant
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DRV8825 Schematic Diagram

DRV8825 Schematic Diagram.png

DRV8825 Schematic Diagram

DRV8825 Block Diagram

DRV8825 Block Diagram.png

DRV8825 Block Diagram

How to Use DRV8825 Driver Module

The DRV8825 interface diagram is given below. The DRV8825 can control a stepper motor with only a few pins. The pinout and interface of the module are nearly identical to the A4988 stepper motor driver carrier.

How to Use DRV8825 Driver Module.png

The microcontroller is linked to the module pins DIR, STEP, and FAULT to drive the stepper motor, as shown in the diagram above. The STEP pin controls steps, whereas the DIR pin controls directions. The DRV8825 also has a FAULT pin, which is abbreviated as the SLEEP pin, and when this pin is low, the entire chip is disabled. Microstep pins (M0, M1, and M2) are used to control the driver module's step functionalities. The absence of M0, M1 and M2 pins in the given circuit indicates that the driver will work in full-step mode. Because the DRV8825 uses low-ESR ceramic capacitors, it is susceptible to voltage spikes.


DRV8825 Control inputs

Each pulse to the STEP input causes the stepper motor to move one micro-step in the direction chosen by the DIR pin. Internal 100k pull-down resistors pull both of these inputs low by default. You can leave DIR unconnected if you only want rotation in one direction.

RESET, SLEEP, and ENBL are the three inputs that govern the chip's power states. See the datasheet for further information on these power states. The SLEEP pin is pulled low with an internal 1M pull-down resistor, while the RESET and ENBL pins are pulled low using internal 100k pull-down resistors. Both of these pins must be high to enable the driver (they can be directly linked to a logic "high" voltage between 2.2 and 5.25 V, or they can be dynamically regulated via connections to digital outputs of an MCU). The default state of the ENBL pin is to enable the driver, so this pin can be left disconnected.


DRV8825 Applications

  • Automatic Teller Machines

  • Money Handling Machines

  • Video Security Cameras

  • Printers

  • Scanners

  • Office Automation Machines

  • Gaming Machines

  • Factory Automation

  • Robotics


DRV8825 Datasheet

DRV8825 Package information

DRV8825 Package information.png

DRV8825 Package information

Popularity by Region

Frequently Asked Questions

How do I connect my stepper motor to the DRV8824?

The sort of stepper motor you have determines the answer to this inquiry. You'll usually come across two types of stepper motors when working with them: unipolar stepper motors and bipolar stepper motors. Unipolar motors contain two windings per phase, making them easier to regulate than bipolar stepper motors since the magnetic field may be reversed without needing to alter the direction of current in the coil.

Do I really need to set the current limit on my stepper motor driver before using it?

You certainly do! It's critical to set the current limit on your stepper motor driver carrier before connecting your motor to ensure that it runs properly. A suitable current limit also guarantees that your motor and driver do not draw more current than they can handle, as this could damage one or both of them.

What is a DRV8825?

Without a heat sink or forced airflow, the DRV8825 runs between 8.2 and 45 V and can output up to 1.5 A per phase (rated for up to 2.2 A per coil with sufficient additional cooling). Features. Control steps and directions with a simple UI.

What is the difference between A4988 and DRV8825?

The DRV8825 has a greater maximum supply voltage than the A4988 (45 V vs. 35 V), allowing it to be utilized safely at higher voltages and reducing the risk of LC voltage spike damage.

How DRV8825 works?

Microstepping is possible with the DRV8825 driver since it allows for intermediate step locations. The coils are energized with intermediate current levels to achieve this. In quarter-step mode, for example, if you select to drive NEMA 17 with 1.8° or 200 steps each revolution, the motor will produce 800 micro-steps every revolution.
DRV8825EVM

Texas Instruments

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