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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
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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 DRV8846EVM
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Page 1: Table Of Contents
Driver Installation Instructions List of Figures ........................Connections ....................DRV8846 Schematic (1 of 2) ..................... DRV8846 Schematic (2 of 2) SLLU203A – June 2014 – Revised March 2015 DRV8846 Evaluation Module Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated... -
Page 2: Pcb (Top View)
Connectors The DRV8846EVM offers access to VM (motor voltage) power rail via a terminal block (J1). A set of test clips in parallel with the terminal block allows for the monitoring of the input power rail. Apply VM according to datasheet-recommended parameters. -
Page 3: Test Points
Scale voltage to set IFS VINT Internal supply voltage Torque (current level) Torque (current level) DEC0 Decay mode DEC1 Decay mode Ground Ground SLLU203A – June 2014 – Revised March 2015 DRV8846 Evaluation Module Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated... -
Page 4: Jumpers
Introduction www.ti.com Jumpers There are no jumpers on the DRV8846EVM module. Motor Outputs Two motor connectors are provided. Connectors J2 and J3 are available as shown in Figure Operation of the EVM Use the following steps to operate the EVM. - Page 5 When the Reciprocate button is selected, the red button to the left of Reciprocate will turn green, and the Start/Stop Steps and Move # of Steps buttons are disabled until the number of steps have completed. SLLU203A – June 2014 – Revised March 2015 DRV8846 Evaluation Module Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated...
- 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...
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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 IC, Motor Driver Texas Instruments DRV8846RGE IC, Mixed Signal Microcontroller, xKB+256B Flash Memory, 1KB MSP430F2617TPMR IC, USB UART Future Techonology Devices FT232RL SLLU203A – June 2014 – Revised March 2015 DRV8846 Evaluation Module Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated...
- Page 12 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 2. Installing the FTDI Driver: Download the driver from the DRV8846EVM software file (SLLC446), in the DRV8846EVM folder. Unzip it and install the USB driver: •...
- 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.
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