DRV8860_15 Datasheet, PDF (2/40 Pages) Texas Instruments – DRV8860x 38-V 8-Channel Serial Interface Low-Side Driver

DRV8860, DRV8860A
SLRS065D – SEPTEMBER 2013 – REVISED OCTOBER 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 ......................... 4
7 Specifications......................................................... 5
7.1 Absolute Maximum Ratings ...................................... 5
7.2 Handling Ratings ...................................................... 5
7.3 Recommended Operating Conditions....................... 5
7.4 Thermal Information ................................................. 5
7.5 Electrical Characteristics........................................... 6
7.6 Timing Requirements ................................................ 6
7.7 Typical Characteristics .............................................. 7
8 Detailed Description .............................................. 7
8.1 Overview ................................................................... 7
8.2 Functional Block Diagram ......................................... 8
8.3 Feature Description................................................... 9
8.4 Device Functional Modes........................................ 13
8.5 Programming........................................................... 15
8.6 Register Maps ......................................................... 26
9 Application and Implementation ........................ 27
9.1 Application Information............................................ 27
9.2 Typical Application ................................................. 27
10 Power Supply Recommendations ..................... 29
10.1 Power Supply and Logic Sequencing ................... 29
11 Layout................................................................... 30
11.1 Layout Guidelines ................................................. 30
11.2 Layout Example .................................................... 30
11.3 Thermal Consideration.......................................... 31
12 Device and Documentation Support ................. 32
12.1 Community Resources.......................................... 32
12.2 Trademarks ........................................................... 32
12.3 Electrostatic Discharge Caution ............................ 32
12.4 Glossary ................................................................ 32
13 Mechanical, Packaging, and Orderable
Information ........................................................... 32
5 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision C (October 2014) to Revision D
Page
• Added I_(VM) MAX = 4.5 V......................................................................................................................................................... 6
• Added I_OFF for DRV8860A ..................................................................................................................................................... 6
• Changed t_OCP From: MIN = 2.7 To: 2.0 μs ............................................................................................................................. 6
• Updated Functional Block Diagram ........................................................................................................................................ 8
Changes from Revision B (July 2014) to Revision C
Page
• Added DRV8860A part to datasheet. .................................................................................................................................... 1
• Added caption to Figure 7 ................................................................................................................................................... 13
• Added caption to Figure 8 ................................................................................................................................................... 13
• Moved the Serial Control Interface information into the Programming section of the datasheet ........................................ 15
• Moved the Register Maps information into the Detailed Description section of the datasheet ........................................... 26
• Changed Figure 35 from a black background to a white background ................................................................................. 28
• Added caption to Figure 37 ................................................................................................................................................. 30
• Changed title From: Thermal Information To: Thermal Consideration ................................................................................ 31
Changes from Revision A (November 2013) to Revision B
Page
• Added Feature: Serial Interface.............................................................................................................................................. 1
• Changed the Features list for: Continuous Current Driving Capability................................................................................... 1
• Deleted Features: Programmable Current Profile .................................................................................................................. 1
• Updated the Application List .................................................................................................................................................. 1
• Changed Description sentence From: These functions allow for lower temperature operation rather than traditional
always-on solutions. To: These functions allow for cooler running than traditional always-on solutions............................... 1
• Added the Handling Ratings table .......................................................................................................................................... 5
2
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