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Texas Instruments DRV8846 User Manual

Evaluation module
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This document is provided with the DRV8846 customer evaluation module (EVM) as a supplement to the
DRV8846 (SLLSEK2) datasheet. It details the hardware implementation of the EVM.
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2.1
2.2
2.3
2.4
2.5
2.6
Motor Control Frame (Includes Start/Stop Steps and Move Steps)
2.7
Schematic and Bill of Materials (BOM)
Appendix A
Driver Installation Instructions
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Connections
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DRV8846 Schematic (2 of 2)
SLLU203A - June 2014 - Revised March 2015
Submit Documentation Feedback
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Copyright © 2014-2015, Texas Instruments Incorporated
SLLU203A - June 2014 - Revised March 2015
DRV8846 Evaluation Module
Contents
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List of Figures
User's Guide
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DRV8846 Evaluation Module
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Summary of Contents for Texas Instruments DRV8846

  • Page 1: Table Of Contents

    User's Guide SLLU203A – June 2014 – Revised March 2015 DRV8846 Evaluation Module This document is provided with the DRV8846 customer evaluation module (EVM) as a supplement to the DRV8846 (SLLSEK2) datasheet. It details the hardware implementation of the EVM. Contents ......................

  • Page 2: Pcb (Top View)

    PCB (Top View) Introduction The DRV8846 customer EVM is a platform revolving around the DRV8846, a low voltage dual H-bridge driver and highly configurable power stage. This device has been optimized to drive a single bipolar stepper with up to 32 degrees of internally generated microstepping.

  • Page 3: Test Points

    R5 and R6. Table 1 describes the connections available on the J4 header. Each header pin is labeled on the evaluation module, and matches the pin of the DRV8846. Table 1. Descriptions of the Connections Available on the J4 Header Header Label...

  • Page 4: Jumpers

    (VREF _ slider 4) ´ ´ 4095 Where VINT is the output of the DRV8846 pin and VREF_slider is the slider value from 0 to 1023. DRV8846 Evaluation Module SLLU203A – June 2014 – Revised March 2015 Submit Documentation Feedback...
  • Page 5 STEP control signal from the microcontroller is reset. 8. The DRV8846 EVM is now awake and can be commanded to turn the motor. This can be done by either selecting the Start/Stop Steps, Move # of Steps, or Reciprocate buttons.
  • Page 6 Decay Mode checkbox and the microstepping resolution as specified under the Step Mode drop down box. DRV8846 Evaluation Module SLLU203A – June 2014 – Revised March 2015 Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated...
  • Page 7 If the stop speed is met before all the number of steps is issued, then the motor rotates at the stop speed value until all the steps are executed. SLLU203A – June 2014 – Revised March 2015 DRV8846 Evaluation Module Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated...
  • Page 8 The following figure shows the three conditions possible when stopping and the action taken: DRV8846 Evaluation Module SLLU203A – June 2014 – Revised March 2015 Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated...

  • Page 9: Drv8846 Schematic (1 Of 2)

    You should completely validate and test your design implementation to confirm the system functionality for your application. Engineer: Rick Duncan Contact: http://www.ti.com/support © Tex as Instruments 2014 Figure 2. DRV8846 Schematic (1 of 2) SLLU203A – June 2014 – Revised March 2015 DRV8846 Evaluation Module Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated...
  • Page 10 You should completely validate and test your design implementation to confirm the system functionality for your application. Engineer: Rick Duncan Contact: http://www.ti.com/support © Tex as Instruments 2014 Figure 3. DRV8846 Schematic (2 of 2) DRV8846 Evaluation Module SLLU203A – June 2014 – Revised March 2015 Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated...
  • Page 11 Introduction www.ti.com 2.7.2 Bill of Materials (BOM) Table 2 lists the BOM for this EVM. Table 2. DRV8846 Bill of Materials Designator Description Manufacturer PartNumber !PCB Printed Circuit Board DRV8846EVM AOUT1, AOUT2, Test Point, Compact, SMT Keystone 5016 BOUT1, BOUT2,...
  • Page 12 SLLU203A – June 2014 – Revised March 2015 Driver Installation Instructions 1. Installing the DRV8846 Evaluation Board Application Software: Download and install the latest version (must be v5.5 or later) of GUI Composer Runtime. Register for a TI account if you don’t already have one. The link to GUI Composer Runtime is: http://processors.wiki.ti.com/index.php/Category:GUI_Composer#GUI_Composer_Downloads...
  • Page 13 STANDARD TERMS AND CONDITIONS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, or documentation (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms and conditions set forth herein. Acceptance of the EVM is expressly subject to the following terms and conditions.
  • Page 14 FCC Interference Statement for Class B EVM devices NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
  • Page 15 【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 開発キットの中には技術基準適合証明を受けて いないものがあります。 技術適合証明を受けていないもののご使用に際しては、電波法遵守のため、以下のいずれかの 措置を取っていただく必要がありますのでご注意ください。 1. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用 いただく。 2. 実験局の免許を取得後ご使用いただく。 3. 技術基準適合証明を取得後ご使用いただく。 なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。 上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。 日本テキサス・イ ンスツルメンツ株式会社 東京都新宿区西新宿６丁目２４番１号 西新宿三井ビル 3.3.3 Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧くださ い。http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page SPACER 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.
  • Page 16 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 © 2015, Texas Instruments Incorporated...
  • Page 17 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue.
  • Page 18 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments DRV8846EVM...