SLAU927C March   2024  – March 2025 MSPM0G3507

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Hardware Setup
    1. 2.1  EVM Hardware Setup
      1. 2.1.1 EVM Hardware Support
    2. 2.2  Pin Configurations for PWM Outputs
    3. 2.3  Pin Configurations for ADC Currents
    4. 2.4  Pin Configurations for IPD Usage
    5. 2.5  Pin Configurations for ADC Voltages
    6. 2.6  Pin Configurations for Faults
    7. 2.7  Pin Configurations for GPIO Output Functions
    8. 2.8  Pin Configurations for SPI Communication
    9. 2.9  Pin Configurations for UART Communication
    10. 2.10 External Connections for Evaluation Boards
  6. 3Software Setup
  7. 4GUI Setup
    1. 4.1 Serial Port Configuration
    2. 4.2 GUI Home Page
    3. 4.3 System Configurations
    4. 4.4 Register Map
    5. 4.5 Motor Tuning Page
    6. 4.6 Collateral Page
    7. 4.7 Loading and Saving register Configurations
  8. 5Register Map
    1. 5.1 Register Map Page in GUI
    2. 5.2 User Control Registers (Base Address = 0x20200400h)
      1. 5.2.1 Speed Control Register (Offset = 0h) [Reset = 00000000h]
      2. 5.2.2 Algo Debug Control 1 Register (Offset = 4h) [Reset = 00000000h]
      3. 5.2.3 Algo Debug Control 2 Register (Offset = 8h) [Reset = 00000000h]
      4. 5.2.4 Algo Debug Control 3 Register (Offset = Ch) [Reset = 00000000h]
      5. 5.2.5 DAC Configuration Register (Offset = 10h) [Reset = 00000000h]
    3. 5.3 User Input Registers (Base Address = 0x20200000h)
      1. 5.3.1  SYSTEM_PARAMETERS (Offset = 0h)
      2. 5.3.2  ISD_CONFIG Register (Offset = 38h) [Reset = 00000000h]
      3. 5.3.3  RVS_DRV_CONFIG Register (Offset = 3Ch) [Reset = 00000000h]
      4. 5.3.4  MOTOR_STARTUP1 Register (Offset = 40h) [Reset = 00000000h]
      5. 5.3.5  MOTOR_STARTUP2 Register (Offset = 44h) [Reset = 00000000h]
      6. 5.3.6  CLOSED_LOOP1 Register (Offset = 48h) [Reset = 00000000h]
      7. 5.3.7  CLOSED_LOOP2 Register (Offset = 4Ch) [Reset = 00000000h]
      8. 5.3.8  FIELD_CTRL Register (Offset = 50h) [Reset = 00000000h]
      9. 5.3.9  FAULT_CONFIG1 Register (Offset = 54h) [Reset = 00000000h]
      10. 5.3.10 FAULT_CONFIG2 Register (Offset = 58h) [Reset = 00000000h]
      11. 5.3.11 MISC_ALGO Register (Offset = 5Ch) [Reset = 00000000h]
      12. 5.3.12 PIN_CONFIG Register (Offset = 60h) [Reset = 00000000h]
      13. 5.3.13 PERI_CONFIG Register (Offset = 64h) [Reset = 00000000h]
    4. 5.4 User Status Registers (Base Address = 0x20200430h)
  9. 6Basic Tuning
    1. 6.1 System Configuration Parameters
      1. 6.1.1 Configuring System Parameters From GUI
      2. 6.1.2 Motor Resistance in Milliohms (mΩ)
      3. 6.1.3 Motor Inductance in Microhenries (μH)
      4. 6.1.4 Saliency of IPMSM Motor
      5. 6.1.5 Motor BEMF Constant
      6. 6.1.6 Base Voltage (V)
      7. 6.1.7 Base Current (A)
      8. 6.1.8 Maximum Motor Electrical Speed (Hz)
      9. 6.1.9 Maximum Motor Power(W)
    2. 6.2 Control Configurations for Basic Motor Spinning
      1. 6.2.1 Basic Motor Startup
        1. 6.2.1.1 Disable ISD
        2. 6.2.1.2 Motor Start Option - Align
        3. 6.2.1.3 Motor Open Loop Ramp
        4. 6.2.1.4 Motor Open Loop Debug
      2. 6.2.2 Controller Configuration for spinning the Motor in Closed Loop
        1. 6.2.2.1 PI Controller Tuning for Closed Loop Speed Control
          1. 6.2.2.1.1 Current Controller Tuning
          2. 6.2.2.1.2 Speed Controller Tuning
        2. 6.2.2.2 Testing for Successful Startup Into Closed Loop
    3. 6.3 Fault Handling
      1. 6.3.1 Abnormal BEMF Fault [ABN_BEMF]
      2. 6.3.2 Monitoring Power Supply Voltage Fluctuations for Voltage Out of Bound Faults
      3. 6.3.3 No Motor Fault [NO_MTR]
  10. 7Advanced Tuning
    1. 7.1 Control Configurations Tuning
      1. 7.1.1  Control Mode of Operation
        1. 7.1.1.1 Closed Loop Speed Control Mode
        2. 7.1.1.2 Closed Loop Power Control Mode
        3. 7.1.1.3 Closed Loop Torque Control Mode
        4. 7.1.1.4 Voltage Control Mode
      2. 7.1.2  Initial Speed Detection of the Motor for Reliable Motor Resynchronization
      3. 7.1.3  Unidirectional Motor Drive Detecting Backward Spin
      4. 7.1.4  Preventing Back Spin of Rotor During Startup
        1. 7.1.4.1 Option 1: IPD
        2. 7.1.4.2 Option 2: Slow First Cycle
      5. 7.1.5  Gradual and Smooth Start up Motion
      6. 7.1.6  Faster Startup Timing
        1. 7.1.6.1 Option 1: Initial Position Detection (IPD)
        2. 7.1.6.2 Option 2: Slow First Cycle
      7. 7.1.7  Stopping Motor Quickly
      8. 7.1.8  Flux Weakening: Operating Motor at Speeds Higher than Rated Speed
      9. 7.1.9  Maximum Torque Per Ampere : Improve Efficiency of IPMSM Motors
      10. 7.1.10 Preventing Supply Voltage Overshoot During Motor Stop.
      11. 7.1.11 Protecting the Power Supply
      12. 7.1.12 FOC Bandwidth Selection
  11. 8Hardware Configurations
    1. 8.1 Direction Configuration
    2. 8.2 Brake Configuration
    3. 8.3 Main.h Definitions
      1. 8.3.1 Sense Amplifier Configuration
      2. 8.3.2 Driver Propagation Delay
      3. 8.3.3 Driver Min On Time
      4. 8.3.4 Current Shunt Configuration Selection
        1. 8.3.4.1 Three Shunt Configurations
        2. 8.3.4.2 Dual Shunt Configuration
        3. 8.3.4.3 Single Shunt Configuration
      5. 8.3.5 CSA Offset Scaling Factor Selection
    4. 8.4 Real Time Variable Tracking
  12. 9Revision History

5.3.4 MOTOR_STARTUP1 Register (Offset = 40h) [Reset = 00000000h]

Table 5-26 shows the register to configure motor startup settings1.

Table 5-26 MOTOR_STARTUP1 Register Field Descriptions
Bit Field Type Reset Description
31-30 MTR_STARTUP_OPTION R/W 00b Motor start-up method

0h = Align

1h = Double align

2h = IPD

3h = Slow first cycle

29-26 ALIGN_SLOW_RAMP_RATE R/W 0h Align, slow first cycle and open loop current ramp rate

0h = 0.1A/s

1h = 1A/s

2h = 5A/s

3h = 10A/s

4h = 15A/s

5h = 25A/s

6h = 50A/s

7h = 100A/s

8h = 150A/s

9h = 200A/s

Ah = 250A/s

Bh = 500A/s

Ch = 1000A/s

Dh = 2000A/s

Eh = 5000A/s

Fh = No Limit A/s
25-22 ALIGN_TIME R/W 0h Align time

0h = 10ms

1h = 50ms

2h = 100ms

3h = 200ms

4h = 300ms

5h = 400ms

6h = 500ms

7h = 750ms

8h = 1s

9h = 1.5s

Ah = 2s

Bh = 3s

Ch = 4s

Dh = 5s

Eh = 7.5s

Fh = 10s

21-17 ALIGN_OR_SLOW_CURRENT_ILIMIT R/W 00h Current limit during Align/Slow First Cycle in % of CURRENT_BASE

0h = 7.5%

1h = 8.0%

2h = 8.5%

3h = 9.0%

4h = 9.5%

5h = 10%

6h = 11%

7h = 12%

8h = 13%

9h = 14%

Ah = 15%

Bh = 16%

Ch = 17%

Dh = 18%

Eh = 20%

Fh = 22.5%

10h = 25%

11h = 27.5%

12h = 30%

13h = 35%

14h = 40%

15h = 45%

16h = 50%

17h = 55%

18h = 60%

19h = 70%

1Ah = 75%

1Bh = 80%

1Ch = 85%

1Dh = 90%

1Eh = 95%

1Fh = 100%

16-14 IPD_CLK_FREQ R/W 000b IPD clock frequency

0h = 50Hz

1h = 100Hz

2h = 250Hz

3h = 500Hz

4h = 1000Hz

5h = 2000Hz

6h = 5000Hz

7h = 10000Hz

13-7 IPD_CURR_THR R/W 0h 7 bit value for IPD current limit × CURRENT_BASE / 27
6 RESERVED R/W 0b Reserved
5-4 IPD_ADV_ANGLE R/W 00b IPD advance angle

0h = 0°

1h = 30°

2h = 60°

3h = 90°

3-2 IPD_REPEAT R/W 00b Number of times IPD is executed

0h = 1 time

1h = average of 2 times

2h = average of 3 times

3h = average of 4 times

1 OL_ILIMIT_CONFIG R/W 0b Open loop current limit configuration

0h = Open loop current limit defined by OL_ILIMIT

1h = Open loop current limit defined by ILIMIT

0 IQ_RAMP_EN R/W 0b Iq ramp down before transition to close loop

0h = Disable Iq ramp down

1h = Enable Iq ramp down