DRV8308_15 Datasheet, PDF (2/60 Pages) Texas Instruments – DRV8308 Brushless DC Motor Controller

DRV8308
SLVSCF7A – FEBRUARY 2014 – REVISED OCTOBER 2014
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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 Configurations and Functions ....................... 3
7 Specifications......................................................... 6
7.1 Absolute Maximum Ratings ...................................... 6
7.2 Handling Ratings....................................................... 6
7.3 Recommended Operating Conditions....................... 6
7.4 Thermal Information .................................................. 7
7.5 Electrical Characteristics........................................... 8
7.6 SPI Timing Requirements ....................................... 10
7.7 Typical Characteristics ............................................ 11
8 Detailed Description ............................................ 12
8.1 Overview ................................................................. 12
8.2 Functional Block Diagram ....................................... 13
8.3 Feature Description................................................. 14
8.4 Device Functional Modes........................................ 31
8.5 Programming .......................................................... 36
8.6 Register Map........................................................... 37
9 Application and Implementation ........................ 42
9.1 Application Information............................................ 42
9.2 Typical Application .................................................. 45
9.3 Do's and Don'ts ...................................................... 50
10 Power Supply Recommendations ..................... 51
11 Layout................................................................... 51
11.1 Layout Guidelines ................................................. 51
11.2 Layout Example .................................................... 51
12 Device and Documentation Support ................. 52
12.1 Documentation Support ....................................... 52
12.2 Trademarks ........................................................... 52
12.3 Electrostatic Discharge Caution ............................ 52
12.4 Glossary ................................................................ 52
13 Mechanical, Packaging, and Orderable
Information ........................................................... 52
5 Revision History
Changes from Original (February 2014) to Revision A
Page
• Added Handling 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 ............................................................... 6
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