DRV8818_15 Datasheet, PDF (2/31 Pages) Texas Instruments – DRV8818 Stepper Motor Controller IC

DRV8818
SLVSAX9D – SEPTEMBER 2011 – REVISED JANUARY 2015
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Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Simplified Schematic............................................. 1
5 Revision History..................................................... 2
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 4
7.1 Absolute Maximum Ratings ..................................... 4
7.2 ESD Ratings ............................................................ 4
7.3 Recommended Operating Conditions....................... 4
7.4 Thermal Information .................................................. 5
7.5 Electrical Characteristics........................................... 5
7.6 Timing Requirements ................................................ 6
7.7 Typical Characteristics .............................................. 7
8 Detailed Description .............................................. 8
8.1 Overview ................................................................... 8
8.2 Functional Block Diagram ......................................... 9
8.3 Feature Description................................................. 10
8.4 Device Functional Modes........................................ 15
9 Application and Implementation ........................ 16
9.1 Application Information............................................ 16
9.2 Typical Application ................................................. 16
10 Power Supply Recommendations ..................... 19
10.1 Bulk Capacitance .................................................. 19
11 Layout................................................................... 20
11.1 Layout Guidelines ................................................. 20
11.2 Layout Example .................................................... 21
11.3 Thermal Considerations ........................................ 21
11.4 Power Dissipation ................................................. 21
12 Device and Documentation Support ................. 23
12.1 Documentation Support ....................................... 23
12.2 Trademarks ........................................................... 23
12.3 Electrostatic Discharge Caution ............................ 23
12.4 Glossary ................................................................ 23
13 Mechanical, Packaging, and Orderable
Information ........................................................... 23
5 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision C (November 2013) to Revision D
Page
• Added ESD Rating table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section ................................................................................................. 4
Changes from Revision B (Otober 2012) to Revision C
Page
• Changed Features section ..................................................................................................................................................... 1
• Changed Logic-Level Inputs test conditions in the ELECTRICAL CHARACTERISTICS ...................................................... 5
• Changed Timing Requirements .............................................................................................................................................. 6
2
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