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DRV8889-Q1 Datasheet(PDF) 2 Page - Texas Instruments

Part No. DRV8889-Q1
Description  DRV8889-Q1, DRV8889A-Q1 Automotive Stepper Driver with Integrated Current Sense, 1/256 Micro-Stepping, and Stall Detection
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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DRV8889-Q1 Datasheet(HTML) 2 Page - Texas Instruments

 
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Table of Contents
1 Features............................................................................1
2 Applications..................................................................... 1
3 Description.......................................................................1
4 Revision History.............................................................. 2
5 Pin Configuration and Functions...................................3
Pin Functions.................................................................... 4
6 Specifications.................................................................. 5
6.1 Absolute Maximum Ratings........................................ 5
6.2 ESD Ratings............................................................... 5
6.3 Recommended Operating Conditions.........................6
6.4 Thermal Information....................................................6
6.5 Electrical Characteristics.............................................7
6.6 SPI Timing Requirements........................................... 9
6.7 Indexer Timing Requirements...................................10
6.8 Typical Characteristics.............................................. 11
7 Detailed Description......................................................13
7.1 Overview................................................................... 13
7.2 Functional Block Diagram......................................... 14
7.3 Feature Description...................................................15
7.4 Device Functional Modes..........................................38
7.5 Programming............................................................ 39
7.6 Register Maps...........................................................45
8 Application and Implementation.................................. 54
8.1 Application Information............................................. 54
8.2 Typical Application.................................................... 54
9 Power Supply Recommendations................................68
9.1 Bulk Capacitance...................................................... 68
10 Layout...........................................................................69
10.1 Layout Guidelines................................................... 69
10.2 Layout Example...................................................... 70
11 Device and Documentation Support..........................72
11.1 Documentation Support.......................................... 72
11.2 Receiving Notification of Documentation Updates.. 72
11.3 Support Resources................................................. 72
11.4 Trademarks............................................................. 72
11.5 Electrostatic Discharge Caution.............................. 72
11.6 Glossary.................................................................. 72
12 Mechanical, Packaging, and Orderable
Information.................................................................... 72
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision B (January 2020) to Revision C (August 2020)
Page
• Added wake-up time and turn-on time specs for DRV8889A-Q1....................................................................... 7
• Added open-load detection time specs for DRV8889A-Q1................................................................................ 7
• Added blanking time details for DRV8889A-Q1 ...............................................................................................30
• Fixed typo for OTW fault...................................................................................................................................37
• Added Memory Map details for DRV8889A-Q1 ...............................................................................................45
• DIS_OUT bit details for DRV8889A-Q1 in Section 7.6.7 ................................................................................. 45
• OL_TIME and EN_SR_BLANK bit details for DRV8889A-Q1 Section 7.6.10 ................................................. 45
• Fixed typo in switching loss calculations.......................................................................................................... 61
Changes from Revision A (December 2019) to Revision B (January 2020)
Page
• Changed R-C time constant for low-pass filter in Section 7.3.4 ...................................................................... 18
• Added table to Section 7.4.2 ............................................................................................................................38
• Added new scope shot to Section 8.2.3 .......................................................................................................... 59
• Added data on thermal parameters in Section 8.2.4.3 .................................................................................... 63
Changes from Revision * (November 2019) to Revision A (December 2019)
Page
• Changed Device status to Production Data .......................................................................................................1
DRV8889-Q1
SLVSEE9C – APRIL 2020 – REVISED AUGUST 2020
www.ti.com
2
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Copyright © 2020 Texas Instruments Incorporated
Product Folder Links: DRV8889-Q1


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