Advertisement

Quick Links

www.ti.com
User's Guide
DRV84x2_DRV82x2_DRV89x2-EVM User's Guide
This document is provided with the DRV84x2_DRV82x2_DRV89x2-EVM User customer evaluation module
(EVM) as a supplement to the DRV8462, DRV8962, and DRV8262 data sheets. This user's guide details the
hardware implementation of the EVM and how to install the software packages.
If you ordered a DRV8452EVM use hardware files for DRV8462EVM.
At the moment the silk screen has the following errata.
The Silk screen says OUT3, it should say OUT4
The Silk screen says OUT4, it should say OUT3
1
Introduction.............................................................................................................................................................................2
1.1 Overview............................................................................................................................................................................
Scope............................................................................................................................................................2
2 Jumpers Table and Setup......................................................................................................................................................
3 Hardware Setup....................................................................................................................................................................
5 GUI Operations DRV8462.....................................................................................................................................................
6 GUI Operations DRV8962.....................................................................................................................................................
7 GUI Operations DRV8262.....................................................................................................................................................
8 Updating Firmware...............................................................................................................................................................
9 Evaluation Hardware Overview...........................................................................................................................................
Trademarks
All trademarks are the property of their respective owners.
SLOU558 - AUGUST 2022
Submit Document Feedback
ABSTRACT
Note

Table of Contents

Application...............................................................................13
Copyright © 2022 Texas Instruments Incorporated
DRV84x2_DRV82x2_DRV89x2-EVM User's Guide
Table of Contents
2
3
10
17
27
29
31
32
1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the DRV84 2-EVM Series and is the answer not in the manual?

Questions and answers

Summary of Contents for Texas Instruments DRV84 2-EVM Series

  • Page 1: Table Of Contents

    6 GUI Operations DRV8962..............................7 GUI Operations DRV8262..............................8 Updating Firmware................................9 Evaluation Hardware Overview............................Trademarks All trademarks are the property of their respective owners. SLOU558 – AUGUST 2022 DRV84x2_DRV82x2_DRV89x2-EVM User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 2: Introduction

    EVM. This document covers the required EVM connections, configuration, and steps to use the GUI application for evaluation. DRV84x2_DRV82x2_DRV89x2-EVM User's Guide SLOU558 – AUGUST 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 3: Jumpers Table And Setup

    Description of jumper function and action if populated for different variants. Jumpers DRV84X2 DRV89X2 DRV82X2 VREF with C2K VREF with C2K VREF with C2K VREF with MSP430 VREF with MSP430 VREF with MSP430 SLOU558 – AUGUST 2022 DRV84x2_DRV82x2_DRV89x2-EVM User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 4 Note Jumpers J16-J20 placement will vary depending on the different variants. Make sure to follow the following schematics to ensure functioning of each variant. DRV84x2_DRV82x2_DRV89x2-EVM User's Guide SLOU558 – AUGUST 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 5 Jumpers Table and Setup Figure 2-2. DRV84X2EVM Current Regulation Jumpers 3D View SLOU558 – AUGUST 2022 DRV84x2_DRV82x2_DRV89x2-EVM User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 6 Jumpers Table and Setup www.ti.com Figure 2-3. DRV84X2EVM Current Regulation Jumpers Schematic Figure 2-4. DRV89x2EVM Current Regulation Jumpers 3D View DRV84x2_DRV82x2_DRV89x2-EVM User's Guide SLOU558 – AUGUST 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 7 Jumpers Table and Setup Figure 2-5. DRV89x2EVM Current Regulation Jumpers Schematic SLOU558 – AUGUST 2022 DRV84x2_DRV82x2_DRV89x2-EVM User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 8 Jumpers Table and Setup www.ti.com Figure 2-6. DRV82x2EVM Current Regulation Jumpers 3D View DRV84x2_DRV82x2_DRV89x2-EVM User's Guide SLOU558 – AUGUST 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 9 For more detailed information be sure to download the hardware files and schematics. Once you have verified that all shunts and jumpers are in the correct location you can move on to hardware setup. SLOU558 – AUGUST 2022 DRV84x2_DRV82x2_DRV89x2-EVM User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 10: Hardware Setup

    A-phase can be connected to J14 and B-phase to J13. If using the dual half bridge driver, or the half bridge driver use terminals J13 and J14 as indicated to connect in the desired setup. Figure 3-1. External Connections DRV84x2_DRV82x2_DRV89x2-EVM User's Guide SLOU558 – AUGUST 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 11 / or personal injury. VM in the left, GND on the right. VM is connected to the fuse. Figure 3-2. Polarity of J12 SLOU558 – AUGUST 2022 DRV84x2_DRV82x2_DRV89x2-EVM User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 12 10. A firmware update is suggested before selecting and connecting to an EVM variant using the GUI application. The firmware update procedure is described in the updating firmware section of this User's Guide. DRV84x2_DRV82x2_DRV89x2-EVM User's Guide SLOU558 – AUGUST 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 13: Launching The Drv84X2_Drv82X2_Drv89X2-Evm Gui Application

    3. After clicking the correct EVM type, the GUI application will initiate communications with the EVM. Connection confirmation will be displayed as shown below in Figure 4-2: SLOU558 – AUGUST 2022 DRV84x2_DRV82x2_DRV89x2-EVM User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 14 Manager, ensure proper power sequencing was followed. If necessary do a power off and on cycle. If the following Windows Device Manager information is still not visible after the power cycle it points to a hardware connection issue. DRV84x2_DRV82x2_DRV89x2-EVM User's Guide SLOU558 – AUGUST 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 15 5. At this point, the user may set-up the EVM for device evaluation: • Driver Control page with configuration and diagnostic options. • GUI Home page to re-select the EVM if necessary. SLOU558 – AUGUST 2022 DRV84x2_DRV82x2_DRV89x2-EVM User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 16 “Start Input-based STEP” button. The motor should spin in one direction. Change the direction using the “Input-based Direction” control. The motor should spin in the opposite direction. DRV84x2_DRV82x2_DRV89x2-EVM User's Guide SLOU558 – AUGUST 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 17: Gui Operations Drv8462

    Registers from the saved ‘regs.json’ file using the “File” menu “Load Registers” option. 4. The device features can be evaluated using the tabs in the "Driver Control" SLOU558 – AUGUST 2022 DRV84x2_DRV82x2_DRV89x2-EVM User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 18 1 %. Enable this feature and set the desired hold current value as well as required delay times designed for your application. DRV84x2_DRV82x2_DRV89x2-EVM User's Guide SLOU558 – AUGUST 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 19 In “Step” mode the motor can be stepped to the desired position by setting the required number of steps at the set target speed. When target speed is set to 1 PPS (pulse per second) set SLOU558 – AUGUST 2022 DRV84x2_DRV82x2_DRV89x2-EVM User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 20 “Learn Mode”. Figure 5-9. Stall Detection DRV84x2_DRV82x2_DRV89x2-EVM User's Guide SLOU558 – AUGUST 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 21 “Clear” button to the right of the Fault Status indicator in the GUI. If you want to keep driving after stall you can enable it below. SLOU558 – AUGUST 2022 DRV84x2_DRV82x2_DRV89x2-EVM User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 22 If the “User defined” option is selected, enter the values for a desired waveform. Enable the “Custom-microstepping” slide switch after the Registers are populated with the required values. DRV84x2_DRV82x2_DRV89x2-EVM User's Guide SLOU558 – AUGUST 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 23 Switch to the SILENT STEP tab. Set the “Silent Step Decay Mode” slide switch to “Enabled”. Select the “Silent Step Transition Threshold” to 4000 PPS. Set a KP value of 32. The motor will run quietly. SLOU558 – AUGUST 2022 DRV84x2_DRV82x2_DRV89x2-EVM User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 24 8-bit integer values, 0 to 255 in decimal. Set the minimum current limit value to 48 which will be equal to (48/256) * 2 A or 375 mA. With 375 mA drive current, this stepper motor will have sufficient DRV84x2_DRV82x2_DRV89x2-EVM User's Guide SLOU558 – AUGUST 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 25 Auto Torque Count upper and lower limits. The auto-torque algorithm maintains the ATQ_CNT value within the hysteretic band defined by ATQ_UL and ATQ_LL, by modulating the full-scale current between 375 mA and 1.5 A. SLOU558 – AUGUST 2022 DRV84x2_DRV82x2_DRV89x2-EVM User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 26 “H/W” in the “Interface Mode” selector in the STEPPER MOTOR CONTROL tab. The selector can be changed only while the “Motor Driver” slide switch is in “Asleep” position. Figure 5-17. Interface Mode Control Panel DRV84x2_DRV82x2_DRV89x2-EVM User's Guide SLOU558 – AUGUST 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 27: Gui Operations Drv8962

    PWM frequency, set the OCPM mode, output rise/fall time, and VREF for current regulation. Make sure to only make this changes when the outputs are disabled. Changes might not be reflected if changed mid drive. SLOU558 – AUGUST 2022 DRV84x2_DRV82x2_DRV89x2-EVM User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 28 GUI Operations DRV8962 www.ti.com Figure 6-2. DRV8962 Monitor Panel DRV84x2_DRV82x2_DRV89x2-EVM User's Guide SLOU558 – AUGUST 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 29: Gui Operations Drv8262

    The motor current will be displayed in the BRIDGE-2 CURRENT display window. Press the “Stop Drive 2” button. The motor will ramp down and stop. Switch the “Motor Driver” widget to “Asleep”. SLOU558 – AUGUST 2022 DRV84x2_DRV82x2_DRV89x2-EVM User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 30 Dual H Bridges vs Single H Bridge allowing for higher current. Figure 7-3. Driver Configuration 6. The LOAD CONTROL window will change to PWM control mode with four PWM settings sliders DRV84x2_DRV82x2_DRV89x2-EVM User's Guide SLOU558 – AUGUST 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 31: Updating Firmware

    EVM Home Page or the Driver Control page as shown in Figure 8-2. Successful firmware update will bring up a message window stating "Flash Successful!". Figure 8-2. Update Firmware SLOU558 – AUGUST 2022 DRV84x2_DRV82x2_DRV89x2-EVM User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 32: Evaluation Hardware Overview

    When operating the EVM at the maximum device specifications and a high ambient temperature, external cooling fans may be required to minimize potential fire hazard, personal injury, or both. DRV84x2_DRV82x2_DRV89x2-EVM User's Guide SLOU558 – AUGUST 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 33 STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
  • Page 34 www.ti.com Regulatory Notices: 3.1 United States 3.1.1 Notice applicable to EVMs not FCC-Approved: FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product.
  • Page 35 www.ti.com Concernant les EVMs avec antennes détachables Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à...
  • Page 36 www.ti.com EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS. 4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM, including without limitation any warning or restriction notices.
  • Page 37 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2019, Texas Instruments Incorporated...
  • Page 38 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. TI objects to and rejects any additional or different terms you may have proposed. IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2022, Texas Instruments Incorporated...

This manual is also suitable for:

Drv82 2-evm seriesDrv89 2-evm seriesDrv8452evm

Table of Contents