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DRV10975, DRV10975Z

SLVSCP2D – JANUARY 2015 – REVISED MARCH 2018

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Product Folder Links: DRV10975

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Copyright © 2015–2018, Texas Instruments Incorporated

Table of Contents

1

Features .................................................................. 1

2

Applications ........................................................... 1

3

Description ............................................................. 1

4

Revision History..................................................... 2

5

Description (continued)......................................... 4

6

Pin Configuration and Functions ......................... 4

7

Specifications......................................................... 6

7.1

Absolute Maximum Ratings ...................................... 6

7.2

ESD Ratings.............................................................. 6

7.3

Recommended Operating Conditions ....................... 7

7.4

Thermal Information .................................................. 7

7.5

Electrical Characteristics........................................... 8

7.6

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........................................ 17

8.5

Register Maps ......................................................... 42

9

Application and Implementation ........................ 48

9.1

Application Information............................................ 48

9.2

Typical Application .................................................. 48

10

Power Supply Recommendations ..................... 50

11

Layout................................................................... 50

11.1

Layout Guidelines ................................................. 50

11.2

Layout Example .................................................... 51

12

Device and Documentation Support ................. 52

12.1

Device Support .................................................... 52

12.2

Documentation Support ........................................ 52

12.3

Trademarks ........................................................... 52

12.4

Electrostatic Discharge Caution ............................ 52

12.5

Receiving Notification of Documentation Updates 52

12.6

Community Resources.......................................... 52

12.7

Glossary ................................................................ 52

13

Mechanical, Packaging, and Orderable

Information ........................................................... 52

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision C (February 2018) to Revision D

Page

•

Added a new package to the Device Information table.......................................................................................................... 1

•

Added pin configuration diagram for RHF package ............................................................................................................... 5

•

Added pin number information for RHF package to the Pin Functions table ........................................................................ 5

•

Added ESD ratings for the RHF (VQFN) package ................................................................................................................ 6

•

Added a column to the Thermal Information table for the RHF package............................................................................... 7

•

Added timing information for entering and exiting sleep mode and standby mode ............................................................... 9

Changes from Revision B (December 2017) to Revision C

Page

•

Added BEMF COMPARATOR hysteresis specification ....................................................................................................... 10

•

Updated Start the Motor Under Different Initial Conditions figure ........................................................................................ 21

•

Changed the default value for register address 0x27 from 0xFC to 0xF4 in the Default EEPROM Value table ................. 43

•

Deleted the "TI recommends..." sentence from the description for address 0x27, bit 3 ...................................................... 46

•

Added constraints to recommended external inductor ......................................................................................................... 49

Changes from Revision A (March 2017) to Revision B

Page

•

Specified the drive current as continuous winding current in the Features............................................................................ 1

•

•

Added the internal SPEED pin pulldown resistance to ground parameter to the Electrical Characteristics table ................. 9

•

Changed the Step-Down Regulator section ......................................................................................................................... 14

•

Updated the Motor Phase Resistance section ..................................................................................................................... 17

•

Deleted the Inductive AVS Function section ........................................................................................................................ 37

•

Changed the default value for register address 0x29 from 0xB7 to 0xB8 in the Default EEPROM Value table ................. 43

•

Added application information for the sleep mode device ................................................................................................... 48