SPRAD34B July   2023  – October 2023 MSPM0G1507

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Getting Started With MSPM0 Motor Control
  6. 3Brushed-DC Motor Control
    1. 3.1 Background
    2. 3.2 Software Architecture
    3. 3.3 Block Diagrams
      1. 3.3.1 H-Bridge Motor Driver
      2. 3.3.2 H-Bridge Gate Driver
    4. 3.4 Hardware Support
    5. 3.5 Software Support
    6. 3.6 Evaluating Brushed-DC with MSP Motor Control SDK
  7. 4Stepper Motor Control
    1. 4.1 Background
    2. 4.2 Software Architecture
    3. 4.3 Block Diagrams
    4. 4.4 Hardware Support
    5. 4.5 Software Support
    6. 4.6 Evaluating Stepper With MSP Motor Control SDK
  8. 5BLDC Sensored Trap Control
    1. 5.1 Background
    2. 5.2 Software Architecture
    3. 5.3 Block Diagrams
    4. 5.4 Hardware Support
    5. 5.5 Software Support
    6. 5.6 Evaluating Sensored Trap with MSP Motor Control
  9. 63-Phase Sensorless FOC Control
    1. 6.1 Background
    2. 6.2 Software Architecture
    3. 6.3 Block Diagrams
      1. 6.3.1 MSPM0Gx10x and Gate Driver with Analog/MOSFET Integration
      2. 6.3.2 MSPM0Gx50x Analog Integration and Gate Driver
    4. 6.4 Hardware Support
    5. 6.5 Software Support
    6. 6.6 Evaluating Sensorless FOC with MSP Motor Control
    7. 6.7 Sensorless FOC Performance
  10. 7References
  11.   Revision History

5.3 Block Diagrams

The block diagram for MSPM0Lxxx / MSPM0Gxxx MCUs and a 3-phase gate/motor drivers showcases supported in the MSP Motor Control is shown in Figure 6-7. The control signals, feedback signals, and interfaces include:

  • 6 PWM signals with adjustable dead band (PWM 6x)
  • Logic-low fault signal from driver (nFAULT)
  • Gate driver shutoff signal (DRVOFF)
  • Low-power mode signal for drivers with sleep mode pin (nSLEEP)
  • ADC current sense feedback from integrated or external current sense amplifiers to measure motor phase current
  • Optional SPI read/write interface (for drivers with SPI interface)
GUID-20230411-SS0I-LST7-NNNG-FHM8QZ4D4ZDJ-low.svg Figure 5-4 Block Diagram for 6-PWM Hall-Sensored Trapezoidal Control for BLDC Motors Using MSPM0Lxxx/MSPM0Gxxx and 3-Phase Gate or Motor Driver