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DRV8825 Motor Driver Module: Pinout, Datasheet, Application [Video]

Author: Mia Date: 13 Jan 2021  18

drv8825 pinout

The DRV8825 Motor Driver Module is a driver with two H-bridge drives and a microstepping indexer. The driver has a maximum output capacity of 45 V and ± 2.5 A. It can operate bipolar stepper motors in full, 1/2, 1/4, 1/8, 1/16 and 1/32-step modes. This driver module is generally used in Robotics, ATMs and Gaming Machines.

This is a tutorial video showing how to control stepper motor driver with DRV8825 Module.


Catalog

DRV8825 Module Pinout

DRV8825 Specification

DRV8825 Features

DRV8825 Alternatives

How to Use DRV8825 Driver Module

DRV8825 Applications

DRV8825 IC Dimensions

Component Datasheet


DRV8825 Module Pinout

DRV8825 Module Pinout

 

Pin Name Description
VDD & GND Connected to 5V and GND of Controller
VMOT & GND MOT Used to power the motor
B1, B2 & A1, A2 Output Pins, Connected to the 4 Wires of motor
DIRECTION Motor Direction Control pin
STEP Steps Control Pin
M0, M1, M2 Microstep Selection Pins
FAULT Fault Detection Pin
SLEEP Pins For Controlling Power States
RESET -
ENABLE -

 


DRV8825 Specification

  • Max. Operating Voltage: 45 V

  • Min. Operating Voltage: 8.2 V

  • Max. Current Per Phase: 2.5 A

  • PCB Size: 15 mm x 20 mm


DRV8825 Features

  • Six step resolution: Full step, ½ step, ¼ step, 1/8, 1/16 and 1/32 step

  • Adjustable output current via potentiometer

  • Automatic current decay mode detection

  • Over temperature shutdown circuit

  • Under-voltage lock out

  • Over current shutdown


DRV8825 Alternatives

 

Alternatives for DRV8825: A4988, A498, L6474, L6207, L6208, TMC2208, TMC2209


How to Use DRV8825 Driver Module

The interface diagram for DRV8825 is shown below. You can control the stepper motor with very few pins using the DRV8825. The module has a pinout and interface that are almost identical to those of the A4988 stepper motor driver carrier.

DRV8255 Schematic Diagram

DRV8255 Schematic Diagram

 

As shown in the diagram above, the module pins DIR, STEP and FAULT are connected to the microcontroller to drive the stepper motor. STEP pin used to control steps while the DIR pin is used to control directions. The DRV8825 also features an FAULT pin, the Fault pin is shortened to the SLEEP pin, so whenever the Fault pin is low, the whole chip is disabled. Microstep pins (M0, M1 and M2) are used to operate the driver module in a variety of step functions. In the above circuit M0, M1, and M2 pins left off, this means that the driver will operate in full-step mode. DRV8825 has low-ESR ceramic capacitors on board, making it vulnerable to voltage spikes.

 

Therefore, it is recommended to put an at least 47µf capacitor across the motor power supply pins. It is commonly used in controlling the NEMA series stepper motors like NEMA17, NEMA23, NEMA34.


DRV8825 Applications

  • Automatic Teller Machines

  • Money Handling Machines

  • Video Security Cameras

  • Printers

  • Scanners

  • Office Automation Machines

  • Gaming Machines

  • Factory Automation

  • Robotics


DRV8825 IC Dimensions

DRV8825 IC Dimensions


Component Datasheet

DRV8825 Datasheet

 

Ordering & Quality

Photo Mfr. Part # Company Description Package PDF Qty Pricing
(USD)
DRV8825PWPR DRV8825PWPR Company:Texas Instruments Remark:IC MTR DRVR BIPLR 8.2-45V 28SSOP Package:28-PowerTSSOP (0.173", 4.40mm Width)
DataSheet
In Stock:40000
Inquiry
Price:
2000+: $2.04800
6000+: $1.98400
10000+: $1.92000
Inquiry

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