SDAA266
March 2026
MSPM0C1104
,
MSPM0C1106
,
MSPM0G3507
,
MSPM0L1306
1
Abstract
Trademarks
1
Introduction
2
Block Diagram
2.1
Power Supply Module
2.2
Zero-Crossing Detection (ZCD)
2.3
Current Detection
2.4
MSPM0 Microcontroller
2.5
TRIAC
3
Phase Angle Control
3.1
Operating Principle
3.2
Boundary Conditions and Special Cases
3.3
Implementation with MSPM0
4
Soft-Start Feature
5
Software
5.1
Software Workflow
5.2
Zero-Crossing Detection Implementation
5.3
Pulse Generation
5.4
Update Targeted Speed
5.5
Overcurrent Protection
5.6
User System Define
6
Results
6.1
Scope Waveforms
6.2
Speed Change
6.3
Soft Start
6.4
Temperature
7
Summary
8
References
Application Note
Low Cost AC Motor Control Design Based on MSPM0 and Triac