DRV8844_15 Datasheet, PDF (2/25 Pages) Texas Instruments – DRV8844 Quad ½-H-Bridge Driver IC

DRV8844
SLVSBA2C – JULY 2012 – REVISED MAY 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 Switching Characteristics .......................................... 6
7.7 Typical Characteristics .............................................. 7
8 Detailed Description .............................................. 8
8.1 Overview ................................................................... 8
8.2 Functional Block Diagram ......................................... 8
8.3 Feature Description................................................... 9
8.4 Device Functional Modes........................................ 11
9 Application and Implementation ........................ 12
9.1 Application Information............................................ 12
9.2 Typical Application .................................................. 12
10 Power Supply Recommendations ..................... 14
10.1 Bulk Capacitance .................................................. 14
11 Layout................................................................... 15
11.1 Layout Guidelines ................................................. 15
11.2 Layout Example .................................................... 15
11.3 Thermal Considerations ........................................ 15
11.4 Power Dissipation ................................................. 16
12 Device and Documentation Support ................. 17
12.1 Community Resources.......................................... 17
12.2 Trademarks ........................................................... 17
12.3 Electrostatic Discharge Caution ............................ 17
12.4 Glossary ................................................................ 17
13 Mechanical, Packaging, and Orderable
Information ........................................................... 17
5 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision B (January 2015) to Revision C
Page
• Added ambient temperature to Recommended Operating Conditions .................................................................................. 4
Changes from Revision A (October 2012) to Revision B
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
2
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