SLLSFX9A December   2024  – May 2025 MCF8316D

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Characteristics of the SDA and SCL bus for Standard and Fast mode
    7. 6.7 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Output Stage
      2. 7.3.2  Device Interface
        1. 7.3.2.1 Interface - Control and Monitoring
        2. 7.3.2.2 I2C Interface
      3. 7.3.3  Step-Down Mixed-Mode Buck Regulator
        1. 7.3.3.1 Buck in Inductor Mode
        2. 7.3.3.2 Buck in Resistor mode
        3. 7.3.3.3 Buck Regulator with External LDO
        4. 7.3.3.4 AVDD Power Sequencing from Buck Regulator
        5. 7.3.3.5 Mixed Mode Buck Operation and Control
      4. 7.3.4  AVDD Linear Voltage Regulator
      5. 7.3.5  Charge Pump
      6. 7.3.6  Slew Rate Control
      7. 7.3.7  Cross Conduction (Dead Time)
      8. 7.3.8  Motor Control Input Sources
        1. 7.3.8.1 Analog-Mode Motor Control
        2. 7.3.8.2 PWM-Mode Motor Control
        3. 7.3.8.3 I2C-based Motor Control
        4. 7.3.8.4 Frequency-Mode Motor Control
        5. 7.3.8.5 Input Reference Profiles
          1. 7.3.8.5.1 Linear Control Profiles
          2. 7.3.8.5.2 Staircase Control Profiles
          3. 7.3.8.5.3 Forward-Reverse Profiles
          4. 7.3.8.5.4 Multi-Reference Mode Operation
          5. 7.3.8.5.5 Input Reference Transfer Function without Profiler
      9. 7.3.9  Starting the Motor Under Different Initial Conditions
        1. 7.3.9.1 Case 1 – Motor is Stationary
        2. 7.3.9.2 Case 2 – Motor is Spinning in the Forward Direction
        3. 7.3.9.3 Case 3 – Motor is Spinning in the Reverse Direction
      10. 7.3.10 Motor Start Sequence (MSS)
        1. 7.3.10.1 Initial Speed Detect (ISD)
        2. 7.3.10.2 Motor Resynchronization
        3. 7.3.10.3 Reverse Drive
          1. 7.3.10.3.1 Reverse Drive Tuning
        4. 7.3.10.4 Motor Start-up
          1. 7.3.10.4.1 Align
          2. 7.3.10.4.2 Double Align
          3. 7.3.10.4.3 Initial Position Detection (IPD)
            1. 7.3.10.4.3.1 IPD Operation
            2. 7.3.10.4.3.2 IPD Release Mode
            3. 7.3.10.4.3.3 IPD Advance Angle
          4. 7.3.10.4.4 Slow First Cycle Startup
          5. 7.3.10.4.5 Open Loop
          6. 7.3.10.4.6 Transition from Open to Closed Loop
      11. 7.3.11 Closed Loop Operation
        1. 7.3.11.1 Closed Loop Acceleration/Deceleration Slew Rate
        2. 7.3.11.2 Speed PI Control
        3. 7.3.11.3 Current PI Control
        4. 7.3.11.4 Power Control Mode
        5. 7.3.11.5 Current (Torque) Control Mode
        6. 7.3.11.6 Modulation Index Control
        7. 7.3.11.7 Overmodulation
        8. 7.3.11.8 Motor Speed Limit
        9. 7.3.11.9 Input DC Power Limit
      12. 7.3.12 Flux Weakening Control
      13. 7.3.13 Motor Parameters
        1. 7.3.13.1 Motor Resistance
        2. 7.3.13.2 Motor Inductance
        3. 7.3.13.3 Motor Back-EMF constant
      14. 7.3.14 Motor Parameter Extraction Tool (MPET)
      15. 7.3.15 Anti-Voltage Surge (AVS)
      16. 7.3.16 Active Braking
      17. 7.3.17 Output PWM Switching Frequency
      18. 7.3.18 PWM Dithering
      19. 7.3.19 PWM Modulation Schemes
      20. 7.3.20 Dead Time Compensation
      21. 7.3.21 Motor Stop Options
        1. 7.3.21.1 Coast (Hi-Z) Mode
        2. 7.3.21.2 Recirculation Mode
        3. 7.3.21.3 Low-Side Braking
        4. 7.3.21.4 High-Side Braking
        5. 7.3.21.5 Active Spin-Down
      22. 7.3.22 Align Braking
      23. 7.3.23 FG Configuration
        1. 7.3.23.1 FG Output Frequency
        2. 7.3.23.2 FG during Open and Closed Loop States
        3. 7.3.23.3 FG during Fault and Idle States
      24. 7.3.24 Protections
        1. 7.3.24.1  VM Supply Undervoltage Lockout
        2. 7.3.24.2  AVDD Undervoltage Lockout (AVDD_UV)
        3. 7.3.24.3  BUCK Under Voltage Lockout (BUCK_UV)
        4. 7.3.24.4  VCP Charge Pump Undervoltage Lockout (CPUV)
        5. 7.3.24.5  Overvoltage Protection (OVP)
        6. 7.3.24.6  Overcurrent Protection (OCP)
          1. 7.3.24.6.1 OCP Latched Shutdown (OCP_MODE = 00b)
          2. 7.3.24.6.2 OCP Automatic Retry (OCP_MODE = 01b)
        7. 7.3.24.7  Buck Overcurrent Protection
        8. 7.3.24.8  Hardware Lock Detection Current Limit (HW_LOCK_ILIMIT)
          1. 7.3.24.8.1 HW_LOCK_ILIMIT Latched Shutdown
          2. 7.3.24.8.2 HW_LOCK_ILIMIT Automatic Recovery
          3. 7.3.24.8.3 HW_LOCK_ILIMIT Report Only
          4. 7.3.24.8.4 HW_LOCK_ILIMIT Disabled
        9. 7.3.24.9  Lock Detection Current Limit (LOCK_ILIMIT)
          1. 7.3.24.9.1 LOCK_ILIMIT Latched Shutdown
          2. 7.3.24.9.2 LOCK_ILIMIT Automatic Recovery
          3. 7.3.24.9.3 LOCK_ILIMIT Report Only
          4. 7.3.24.9.4 LOCK_ILIMIT Disabled
        10. 7.3.24.10 Motor Lock Detection
          1. 7.3.24.10.1 Lock 1: Abnormal Speed (ABN_SPEED)
          2. 7.3.24.10.2 Lock 2: Abnormal BEMF (ABN_BEMF)
          3. 7.3.24.10.3 Lock3: No-Motor Fault (NO_MTR)
        11. 7.3.24.11 Motor Lock (MTR_LCK)
          1. 7.3.24.11.1 MTR_LCK Latched Shutdown
          2. 7.3.24.11.2 MTR_LCK Automatic Recovery
          3. 7.3.24.11.3 MTR_LCK Report Only
          4. 7.3.24.11.4 MTR_LCK Disabled
        12. 7.3.24.12 EEPROM Fault
        13. 7.3.24.13 I2C CRC Fault
        14. 7.3.24.14 Minimum VM (Undervoltage) Protection
        15. 7.3.24.15 Maximum VM (Overvoltage) Protection
        16. 7.3.24.16 MPET Faults
        17. 7.3.24.17 IPD Faults
        18. 7.3.24.18 FET Thermal Warning (OTW)
        19. 7.3.24.19 FET Thermal Shutdown (TSD_FET)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Functional Modes
        1. 7.4.1.1 Sleep Mode
        2. 7.4.1.2 Standby Mode
        3. 7.4.1.3 Fault Reset (CLR_FLT)
    5. 7.5 External Interface
      1. 7.5.1 DRVOFF Functionality
      2. 7.5.2 DAC outputs
      3. 7.5.3 Current Sense Output
      4. 7.5.4 Oscillator Source
        1. 7.5.4.1 External Clock Source
      5. 7.5.5 External Watchdog
    6. 7.6 EEPROM access and I2C interface
      1. 7.6.1 EEPROM Access
        1. 7.6.1.1 EEPROM Write
        2. 7.6.1.2 EEPROM Read
        3. 7.6.1.3 EEPROM Security
      2. 7.6.2 I2C Serial Interface
        1. 7.6.2.1 I2C Data Word
        2. 7.6.2.2 I2C Write Transaction
        3. 7.6.2.3 I2C Read Transaction
        4. 7.6.2.4 I2C Communication Protocol Packet Examples
        5. 7.6.2.5 I2C Clock Stretching
        6. 7.6.2.6 CRC Byte Calculation
  9. 8 EEPROM (Non-Volatile) Register Map
    1. 8.1 Algorithm_Configuration Registers
    2. 8.2 Fault_Configuration Registers
    3. 8.3 Hardware_Configuration Registers
    4. 8.4 Internal_Algorithm_Configuration Registers
  10. 9 RAM (Volatile) Register Map
    1. 9.1 Fault_Status Registers
    2. 9.2 System_Status Registers
    3. 9.3 Device_Control Registers
    4. 9.4 Algorithm_Control Registers
    5. 9.5 Algorithm_Variables Registers
  11. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 Application Curves
        1. 10.2.1.1 Motor startup
        2. 10.2.1.2 MPET
        3. 10.2.1.3 Dead time compensation
        4. 10.2.1.4 Auto handoff
        5. 10.2.1.5 Anti voltage surge (AVS)
        6. 10.2.1.6 Real time variable tracking using DACOUT
    3. 10.3 UL Recognized Component: MCF8316DULVRGFR
      1. 10.3.1 IEC 60730 Functional Safety System
      2. 10.3.2 IEC 60730 Self Test Library (available only in MCF8316DULVRGFR)
    4. 10.4 Power Supply Recommendations
      1. 10.4.1 Bulk Capacitance
    5. 10.5 Layout
      1. 10.5.1 Layout Guidelines
      2. 10.5.2 Layout Example
      3. 10.5.3 Thermal Considerations
        1. 10.5.3.1 Power Dissipation
  12. 11Device and Documentation Support
    1. 11.1 Support Resources
    2. 11.2 Trademarks
    3. 11.3 Electrostatic Discharge Caution
    4. 11.4 Glossary
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information

9.2 System_Status Registers

Table 9-6 lists the memory-mapped registers for the System_Status registers. All register offset addresses not listed in Table 9-6 should be considered as reserved locations and the register contents should not be modified.

Table 9-6 SYSTEM_STATUS Registers
OffsetAcronymRegister NameSection
E4hALGO_STATUSSystem Status RegisterSection 9.2.1
E6hMTR_PARAMSSystem Status RegisterSection 9.2.2
E8hALGO_STATUS_MPETSystem Status RegisterSection 9.2.3

Complex bit access types are encoded to fit into small table cells. Table 9-7 shows the codes that are used for access types in this section.

Table 9-7 System_Status Access Type Codes
Access TypeCodeDescription
Read Type
RRRead
Reset or Default Value
-nValue after reset or the default value

9.2.1 ALGO_STATUS Register (Offset = E4h) [Reset = 00000000h]

ALGO_STATUS is shown in Figure 9-4 and described in Table 9-8.

Return to the Summary Table.

Status of various system and algorithm parameters

Figure 9-4 ALGO_STATUS Register
3130292827262524
VOLT_MAG
R-0h
2322212019181716
VOLT_MAG
R-0h
15141312111098
DUTY_CMD
R-0h
76543210
DUTY_CMDRESERVEDSYS_ENABLE_FLAGRESERVED
R-0hR-0hR-0hR-0h
Table 9-8 ALGO_STATUS Register Field Descriptions
BitFieldTypeResetDescription
31-16VOLT_MAGR0h 16-bit value indicating applied modulation index. Modulation index applied = (VOLT_MAG * 100 / 32768)%
15-4DUTY_CMDR0h 12-bit value indicating input duty command in PWM/Analog/Freq mode DUTY_CMD (%) = (DUTY_CMD/4095 * 100)%.
3RESERVEDR0h Reserved
2SYS_ENABLE_FLAGR0h 1 indicates GUI can control the register 0 indicates GUI is still copying default parameters from shadow memory
1-0RESERVEDR0h Reserved

9.2.2 MTR_PARAMS Register (Offset = E6h) [Reset = 00000000h]

MTR_PARAMS is shown in Figure 9-5 and described in Table 9-9.

Return to the Summary Table.

Status of various motor parameters

Figure 9-5 MTR_PARAMS Register
31302928272625242322212019181716
MOTOR_RMOTOR_BEMF_CONST
R-0hR-0h
1514131211109876543210
MOTOR_LRESERVED
R-0hR-0h
Table 9-9 MTR_PARAMS Register Field Descriptions
BitFieldTypeResetDescription
31-24MOTOR_RR0h 8-bit value indicating MPET measured motor resistance
23-16MOTOR_BEMF_CONSTR0h 8-bit value indicating MPET measured BEMF constant
15-8MOTOR_LR0h 8-bit value indicating MPET measured motor inductance
7-0RESERVEDR0h Reserved

9.2.3 ALGO_STATUS_MPET Register (Offset = E8h) [Reset = 00000000h]

ALGO_STATUS_MPET is shown in Figure 9-6 and described in Table 9-10.

Return to the Summary Table.

Status of various MPET parameters

Figure 9-6 ALGO_STATUS_MPET Register
3130292827262524
MPET_R_STATUSMPET_L_STATUSMPET_KE_STATUSMPET_MECH_STATUSMPET_PWM_FREQ
R-0hR-0hR-0hR-0hR-0h
2322212019181716
RESERVED
R-0h
15141312111098
RESERVED
R-0h
76543210
RESERVED
R-0h
Table 9-10 ALGO_STATUS_MPET Register Field Descriptions
BitFieldTypeResetDescription
31MPET_R_STATUSR0h Indicates status of resistance measurement
  • 0h = Measurement of motor resistance during MPET routine is not completed if resistance measurement is initiated during MPET
  • 1h = Measurement of motor resistance during MPET routine is completed
30MPET_L_STATUSR0h Indicates status of inductance measurement
  • 0h = Measurement of motor inductance during MPET routine is not completed if inductance measurement is initiated during MPET
  • 1h = Measurement of motor inductance during MPET routine is completed
29MPET_KE_STATUSR0h Indicates status of BEMF constant measurement
  • 0h = Measurement of motor BEMF constant during MPET routine is not completed if BEMF constant measurement is initiated during MPET
  • 1h = Measurement of motor BEMF constant during MPET routine is completed
28MPET_MECH_STATUSR0h Indicates status of mechanical parameter measurement
  • 0h = Auto Calculation of Speed loop Kp, Ki values during MPET routine is not completed if mechanical parameters measurement(speed loop kp,ki values) is initiated during MPET
  • 1h = Auto Calculation of Speed loop Kp, Ki values during MPET routine is completed
27-24MPET_PWM_FREQR0h 4-bit value indicating MPET recommended PWM switching frequency based on electrical time constant. Follows same enum list as PWM_FREQ_OUT
23-0RESERVEDR0h Reserved