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
5.3
Documentation Support
Texas Instruments,
MSPM0G150x Mixed-Signal Microcontrollers Data Sheet
Texas Instruments,
UCC28881 700-V, 225-mA Low Quiescent Current Off-Line Converter Data Sheet
Texas Instruments,
UCC27712 620-V, 1.8-A, 2.8-A High-Side Low-Side Gate Driver with Interlock Data Sheet
Texas Instruments,
TLV906xS 10-MHz, RRIO, CMOS Operational Amplifiers for Cost-Sensitive Systems Data Sheet
Texas Instruments,
TPS54202 4.5-V to 28-V Input, 2-A Output, EMI Friendly Synchronous Step Down Converter Data Sheet
Texas Instruments,
ISO672x General Purpose Basic Dual-Channel Digital Isolators with Robust EMC Data Sheet