DRV8811_15 Datasheet, PDF (2/32 Pages) Texas Instruments – DRV8811 Stepper Motor Controller IC

DRV8811
SLVS865I – SEPTEMBER 2008 – REVISED JANUARY 2015
www.ti.com
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 Dissipation Ratings ................................................... 5
7.6 Electrical Characteristics........................................... 5
7.7 Timing Requirements ................................................ 7
7.8 Typical Characteristics .............................................. 8
8 Detailed Description .............................................. 9
8.1 Overview ................................................................... 9
8.2 Functional Block Diagram ....................................... 10
8.3 Feature Description................................................. 11
8.4 Device Functional Modes........................................ 16
9 Application and Implementation ........................ 17
9.1 Application Information............................................ 17
9.2 Typical Application .................................................. 17
10 Power Supply Recommendations ..................... 20
10.1 Bulk Capacitance .................................................. 20
11 Layout................................................................... 21
11.1 Layout Guidelines ................................................. 21
11.2 Layout Example .................................................... 21
11.3 Thermal Information .............................................. 22
11.4 Power Dissipation ................................................. 23
12 Device and Documentation Support ................. 24
12.1 Documentation Support ....................................... 24
12.2 Trademarks ........................................................... 24
12.3 Electrostatic Discharge Caution ............................ 24
12.4 Glossary ................................................................ 24
13 Mechanical, Packaging, and Orderable
Information ........................................................... 24
5 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision H (November 2013) to Revision I
Page
• Added ESD Ratings 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 G (May 2010) to Revision H
Page
• Changed Features bullet ........................................................................................................................................................ 1
• Changed I_O(peak) and deleted I_O in Absolute Maximum Ratings table..................................................................................... 4
• Changed maximum digital pin voltage.................................................................................................................................... 4
• Added parameters to Logic-Level Inputs section of the ELECTRICAL CHARACTERISTICS............................................... 5
• Changed Timing Requirements .............................................................................................................................................. 7
2
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