DRV8837_15 Datasheet, PDF (2/24 Pages) Texas Instruments – Low-Voltage H-Bridge Driver

DRV8837, DRV8838
SLVSBA4D – JUNE 2012 – REVISED DECEMBER 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Timing Requirements ................................................ 6
6.7 Typical Characteristics .............................................. 7
7 Detailed Description .............................................. 8
7.1 Overview ................................................................... 8
7.2 Functional Block Diagram ......................................... 8
7.3 Feature Description................................................. 10
7.4 Device Functional Modes........................................ 11
8 Application and Implementation ........................ 12
8.1 Application Information............................................ 12
8.2 Typical Application .................................................. 12
9 Power Supply Recommendations...................... 14
9.1 Bulk Capacitance .................................................... 14
10 Layout................................................................... 15
10.1 Layout Guidelines ................................................. 15
10.2 Layout Example .................................................... 15
10.3 Power Dissipation ................................................. 15
11 Device and Documentation Support ................. 16
11.1 Documentation Support ........................................ 16
11.2 Related Links ........................................................ 16
11.3 Community Resources.......................................... 16
11.4 Trademarks ........................................................... 16
11.5 Electrostatic Discharge Caution ............................ 16
11.6 Glossary ................................................................ 16
12 Mechanical, Packaging, and Orderable
Information ........................................................... 16
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision C (February 2014) to Revision D
Page
• Clarified the input interface for each device in the Description section ................................................................................. 1
• Added CDM and HBM ESD ratings to the ESD Ratings table .............................................................................................. 4
Changes from Revision B (December 2013) to Revision C
Page
• Added the DRV8838 device information, specifications, and timing diagrams ...................................................................... 1
• Added Device Information table ............................................................................................................................................. 1
• Added a PWM interface diagram .......................................................................................................................................... 1
• Added more information to the Detailed Description and moved information from the Functional Description .................... 8
• Added functional block diagram for DRV8838 ...................................................................................................................... 9
• Added the Application and Implementation section ............................................................................................................ 12
• Added Power Supply Recommendations, Layout, Device and Documentation Support, and Mechanical, Packaging,
and Orderable Information sections ..................................................................................................................................... 14
Changes from Revision A (August 2012) to Revision B
Page
• Changed Features section ..................................................................................................................................................... 1
• Changed Recommended Operating Conditions..................................................................................................................... 4
• Changed Electrical Characteristics section ............................................................................................................................ 5
• Changed Timing Requirements section ................................................................................................................................. 6
• Changed Power Supplies and Input Pins section ................................................................................................................ 10
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