DRV10983_15 Datasheet, PDF (2/57 Pages) Texas Instruments – DRV10983 12- to 24-V, Three-Phase, Sensorless BLDC Motor Driver

DRV10983
SLVSCP6B – JULY 2014 – REVISED FEBRUARY 2015
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Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Application Schematic .......................................... 1
5 Revision History..................................................... 2
6 Description (continued)......................................... 3
7 Pin Configuration and Functions ......................... 3
8 Specifications......................................................... 4
8.1 Absolute Maximum Ratings ...................................... 4
8.2 ESD Ratings.............................................................. 4
8.3 Recommended Operating Conditions....................... 5
8.4 Thermal Information .................................................. 5
8.5 Electrical Characteristics........................................... 6
8.6 Typical Characteristics .............................................. 8
9 Detailed Description .............................................. 9
9.1 Overview ................................................................... 9
9.2 Functional Block Diagram ....................................... 10
9.3 Feature Description................................................. 11
9.4 Device Functional Modes........................................ 14
9.5 Register Maps ......................................................... 39
10 Application and Implementation........................ 45
10.1 Application Information.......................................... 45
10.2 Typical Application ............................................... 45
11 Power Supply Recommendations ..................... 47
12 Layout................................................................... 47
12.1 Layout Guidelines ................................................. 47
12.2 Layout Example .................................................... 47
13 Device and Documentation Support ................. 48
13.1 Trademarks ........................................................... 48
13.2 Electrostatic Discharge Caution ............................ 48
13.3 Glossary ................................................................ 48
14 Mechanical, Packaging, and Orderable
Information ........................................................... 48
5 Revision History
Changes from Revision A (October 2014) to Revision B
Page
• Updated data sheet with the DRV10983Z sleep version ...................................................................................................... 1
Changes from Original (July 2014) to Revision A
Page
• Updated the input voltage range: 8 to 28 V............................................................................................................................ 1
• Removed DRV10983Z sleep version part and updated standby mode supply current ......................................................... 1
• Updated pin information for SW, SWGND, VREG, SDA, FG, and VCC pins ........................................................................ 3
• Added DIR, SW, and VREG pins to Absolute Maximum Ratings ......................................................................................... 4
• Updated max supply voltage and voltage range ratings for VCC and U, V, W in Recommended Operating
Conditions .............................................................................................................................................................................. 5
• Updated Functional Block Diagram ..................................................................................................................................... 10
• Changed "hardware current limit" to "lock detection current limit" and "software current" to "acceleration current
limit" throughout data sheet ................................................................................................................................................. 11
• Updated max value for open to closed loop threshold ........................................................................................................ 23
• Corrected description to "motor's velocity constant" for Equation 1..................................................................................... 24
• Corrected register name in Start-Up Current Setting .......................................................................................................... 24
• Updated Equation 2 ............................................................................................................................................................. 24
• Updated Figure 18 ............................................................................................................................................................... 24
• Updated caption name for Figure 22 ................................................................................................................................... 26
• Corrected max speed command setting for SpdCtrl[8:0] .................................................................................................... 26
• Updated register description for status register. .................................................................................................................. 39
• Updated the data in the examples for MotorSpeed1 and MotorPeriod1 ............................................................................. 41
• Updated IPDPosition description in Register Map .............................................................................................................. 41
• Increased max motor voltage for Recommended Application Range ................................................................................. 45
• Updated graph callout for Figure 41 .................................................................................................................................... 46
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