DRV8874
SLVSF66A –AUGUST 2019–REVISED DECEMBER 2019
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Table of Contents
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6
Features.................................................................. 1
Applications ........................................................... 1
Description ............................................................. 1
Revision History..................................................... 2
Pin Configuration and Functions......................... 3
Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information.................................................. 5
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics.............................................. 8
Detailed Description .............................................. 9
7.1 Overview ................................................................... 9
7.2 Functional Block Diagram ......................................... 9
7.3 Feature Description................................................. 10
7.4 Device Functional Modes........................................ 18
8
Application and Implementation ........................ 20
8.1 Application Information............................................ 20
8.2 Typical Application .................................................. 20
Power Supply Recommendations...................... 30
9.1 Bulk Capacitance .................................................... 30
9
10 Layout................................................................... 31
10.1 Layout Guidelines ................................................. 31
10.2 Layout Example .................................................... 31
11 Device and Documentation Support ................. 32
11.1 Documentation Support ........................................ 32
11.2 Receiving Notification of Documentation Updates 32
11.3 Community Resources.......................................... 32
11.4 Trademarks........................................................... 32
11.5 Electrostatic Discharge Caution............................ 32
11.6 Glossary................................................................ 32
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12 Mechanical, Packaging, and Orderable
Information ........................................................... 33
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Original (May 2019) to Revision A
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Changed Current Regulation section with a workaround for transients that are longer than the current regulation
deglitch time.......................................................................................................................................................................... 13
Added additional description to Fixed Off-Time Current Regulation Section....................................................................... 13
Changed calculations in Power Dissipation and Output Current Capability ........................................................................ 21
Added thermal plots for and description for PWP ................................................................................................................ 22
Added power-up plots........................................................................................................................................................... 26
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