TIDUF31B
May 2023 – September 2024
1
Description
Resources
Features
Applications
6
1
System Description
1.1
Key System Specifications
2
System Overview
2.1
Block Diagram
2.2
Design Considerations
2.3
Highlighted Products
2.3.1
MSPM0G1507
2.3.2
UCC28881
2.3.3
UCC27712
2.3.4
TLV9064
2.3.5
TPS54202
3
System Design Theory
3.1
High-Voltage Buck Auxiliary Power Supply
3.2
DC Bus Voltage Sensing
3.3
Motor Drive Stage
3.4
Bypass Capacitors
3.5
Phase Current Sensing With Two or Three Shunt Resistors
3.6
Phase Current Sensing With a Single Shunt Resistor
3.7
Hall-Effect Sensor or QEI Interface for Sensored Motor Control
3.8
DAC for Software Debug
3.9
Overcurrent Protection
3.10
Overtemperature Protection
3.11
Isolated UART port
3.12
Inverter Peak Power Capability
4
Hardware, Software, Testing Requirements, and Test Results
4.1
Hardware Requirements
4.1.1
Hardware Board Overview
4.1.2
Test Equipment for Board Validation
4.2
Software Requirements
4.2.1
Getting Started MSPM0 Firmware
4.2.1.1
Download and Install Software Required for Board Test
4.2.1.2
Import the Project Into CCS
4.2.1.3
Compile the Project
4.2.1.4
Download Image and Spin Motor
4.3
Test Results
4.3.1
Test Setup
4.3.2
Auxiliary Power Supply Test
4.3.3
Current Open Loop Test
4.3.4
Overcurrent Protection Test
4.3.5
Motor Start-Up Sequence
4.3.6
Load Test
4.4
Migrate Firmware to a New Hardware Board
4.4.1
Configure the PWM, CMPSS, and ADC Modules
4.4.2
Motor and Control Parameters Tuning
5
Design and Documentation Support
5.1
Design Files
5.1.1
Schematics
5.1.2
BOM
5.2
Tools
5.3
Documentation Support
5.4
Support Resources
5.5
Trademarks
6
About the Author
7
Revision History
Design Guide
1kW BLDC Motor Inverter Reference Design