TIDUF31A
May 2023 – April 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
4.3
Test Setup
4.4
Test Results
4.4.1
Auxiliary Power Supply Test
4.4.2
Current Open Loop Test
4.4.3
Overcurrent Protection Test
4.4.4
Motor Start-Up Sequence
4.4.5
Load Test
5
Design and Documentation Support
5.1
Design Files
5.1.1
Schematics
5.1.2
BOM
5.2
Tools and Software
5.3
Documentation Support
5.4
Support Resources
5.5
Trademarks
6
About the Author
Design Guide
1-kW BLDC Motor Inverter Reference Design