Texas Instruments MCT8316A, Tuning Manual

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User’s Guide
MCT8316A Tuning Guide
ABSTRACT
This Tuning guide provided step by step guidence to setup MCx8316AEVM, connect MCT8316A GUI to the
EVM and tune a 3-phase Brushless DC motor using
MCT8316A .
Table of Contents
1 Revision History ...................................................................................................................................................................... 1
2 Introduction ............................................................................................................................................................................. 2
2.1 Hardware and GUI setup................................................................................................................................................... 2
3 Essential Controls .................................................................................................................................................................. 5
3.1 Recommended Default Values based on application......................................................................................................... 5
3.2 Device and Pin Configuration............................................................................................................................................. 8
3.3 Algorithm configuration – Motor parameters...................................................................................................................... 8
3.4 Fault Configuration............................................................................................................................................................. 9
3.5 Testing for successful startup into closed loop................................................................................................................... 9
3.6 Fault handling................................................................................................................................................................... 10
4 Basic Controls ....................................................................................................................................................................... 12
4.1 Device and pin configuration............................................................................................................................................ 12
4.2 System level configuration............................................................................................................................................... 13
4.3 Control configurations...................................................................................................................................................... 14
List of Figures
Figure 2-1. Simplified Schematic of MCT8316A.......................................................................................................................... 2
Figure 2-2. MCx8316A EVM Jumper Configuration.................................................................................................................... 3
Figure 2-3. MCx8316A EVM External Configuration................................................................................................................... 4
Figure 3-1. Fault Status............................................................................................................................................................. 10
Figure 4-1. Reverse Drive Function........................................................................................................................................... 14
Figure 4-2. Phase current, FG and motor speed - Faster startup time...................................................................................... 18
Figure 4-3. Phase current and motor speed - Faster deceleration disabled.............................................................................. 20
Figure 4-4. Phase current and motor speed -Faster deceleration enabled............................................................................... 20
List of Tables
Table 3-1. Ultra-Slow Acceleration Default Values....................................................................................................................... 5
Table 3-2. Slow Acceleration Defalt Values................................................................................................................................. 5
Table 3-3. Medium Acceleration Default Values.......................................................................................................................... 6
Table 3-4. Faster Acceleration Default Values............................................................................................................................. 6
Table 3-5. Ultra Fast Acceleration Default Values........................................................................................................................ 7
Table 3-6. Default Values............................................................................................................................................................. 7
1 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
DATE REVISION NOTES
August 2021 * Initial Release
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MCT8316A Tuning Guide 1
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