SLVSJZ0 October   2025 MCF8316D-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings Auto
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Characteristics of the SDA and SCL bus for Standard and Fast mode
    7. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1  Output Stage
      2. 6.3.2  Device Interface
        1. 6.3.2.1 Interface - Control and Monitoring
        2. 6.3.2.2 I2C Interface
      3. 6.3.3  Step-Down Mixed-Mode Buck Regulator
        1. 6.3.3.1 Buck in Inductor Mode
        2. 6.3.3.2 Buck in Resistor mode
        3. 6.3.3.3 Buck Regulator with External LDO
        4. 6.3.3.4 AVDD Power Sequencing from Buck Regulator
        5. 6.3.3.5 Mixed Mode Buck Operation and Control
      4. 6.3.4  AVDD Linear Voltage Regulator
      5. 6.3.5  Charge Pump
      6. 6.3.6  Slew Rate Control
      7. 6.3.7  Cross Conduction (Dead Time)
      8. 6.3.8  Motor Control Input Sources
        1. 6.3.8.1 Analog-Mode Motor Control
        2. 6.3.8.2 PWM-Mode Motor Control
        3. 6.3.8.3 I2C-based Motor Control
        4. 6.3.8.4 Frequency-Mode Motor Control
        5. 6.3.8.5 Input Reference Profiles
          1. 6.3.8.5.1 Linear Control Profiles
          2. 6.3.8.5.2 Staircase Control Profiles
          3. 6.3.8.5.3 Forward-Reverse Profiles
          4. 6.3.8.5.4 Multi-Reference Mode Operation
          5. 6.3.8.5.5 Input Reference Transfer Function without Profiler
      9. 6.3.9  Starting the Motor Under Different Initial Conditions
        1. 6.3.9.1 Case 1 – Motor is Stationary
        2. 6.3.9.2 Case 2 – Motor is Spinning in the Forward Direction
        3. 6.3.9.3 Case 3 – Motor is Spinning in the Reverse Direction
      10. 6.3.10 Motor Start Sequence (MSS)
        1. 6.3.10.1 Initial Speed Detect (ISD)
        2. 6.3.10.2 Motor Resynchronization
        3. 6.3.10.3 Reverse Drive
          1. 6.3.10.3.1 Reverse Drive Tuning
        4. 6.3.10.4 Motor Start-up
          1. 6.3.10.4.1 Align
          2. 6.3.10.4.2 Double Align
          3. 6.3.10.4.3 Initial Position Detection (IPD)
            1. 6.3.10.4.3.1 IPD Operation
            2. 6.3.10.4.3.2 IPD Release Mode
            3. 6.3.10.4.3.3 IPD Advance Angle
          4. 6.3.10.4.4 Slow First Cycle Startup
          5. 6.3.10.4.5 Open Loop
          6. 6.3.10.4.6 Transition from Open to Closed Loop
      11. 6.3.11 Closed Loop Operation
        1. 6.3.11.1 Closed Loop Acceleration/Deceleration Slew Rate
        2. 6.3.11.2 Speed PI Control
        3. 6.3.11.3 Current PI Control
        4. 6.3.11.4 Power Control Mode
        5. 6.3.11.5 Current (Torque) Control Mode
        6. 6.3.11.6 Modulation Index Control
        7. 6.3.11.7 Overmodulation
        8. 6.3.11.8 Motor Speed Limit
        9. 6.3.11.9 Input DC Power Limit
      12. 6.3.12 Flux Weakening Control
      13. 6.3.13 Motor Parameters
        1. 6.3.13.1 Motor Resistance
        2. 6.3.13.2 Motor Inductance
        3. 6.3.13.3 Motor Back-EMF constant
      14. 6.3.14 Motor Parameter Extraction Tool (MPET)
      15. 6.3.15 Anti-Voltage Surge (AVS)
      16. 6.3.16 Active Braking
      17. 6.3.17 Output PWM Switching Frequency
      18. 6.3.18 PWM Dithering
      19. 6.3.19 PWM Modulation Schemes
      20. 6.3.20 Dead Time Compensation
      21. 6.3.21 Motor Stop Options
        1. 6.3.21.1 Coast (Hi-Z) Mode
        2. 6.3.21.2 Recirculation Mode
        3. 6.3.21.3 Low-Side Braking
        4. 6.3.21.4 High-Side Braking
        5. 6.3.21.5 Active Spin-Down
      22. 6.3.22 Align Braking
      23. 6.3.23 FG Configuration
        1. 6.3.23.1 FG Output Frequency
        2. 6.3.23.2 FG during Open and Closed Loop States
        3. 6.3.23.3 FG during Fault and Idle States
      24. 6.3.24 Protections
        1. 6.3.24.1  VM Supply Undervoltage Lockout
        2. 6.3.24.2  AVDD Undervoltage Lockout (AVDD_UV)
        3. 6.3.24.3  BUCK Under Voltage Lockout (BUCK_UV)
        4. 6.3.24.4  VCP Charge Pump Undervoltage Lockout (CPUV)
        5. 6.3.24.5  Overvoltage Protection (OVP)
        6. 6.3.24.6  Overcurrent Protection (OCP)
          1. 6.3.24.6.1 OCP Latched Shutdown (OCP_MODE = 00b)
          2. 6.3.24.6.2 OCP Automatic Retry (OCP_MODE = 01b)
        7. 6.3.24.7  Buck Overcurrent Protection
        8. 6.3.24.8  Hardware Lock Detection Current Limit (HW_LOCK_ILIMIT)
          1. 6.3.24.8.1 HW_LOCK_ILIMIT Latched Shutdown
          2. 6.3.24.8.2 HW_LOCK_ILIMIT Automatic Recovery
          3. 6.3.24.8.3 HW_LOCK_ILIMIT Report Only
          4. 6.3.24.8.4 HW_LOCK_ILIMIT Disabled
        9. 6.3.24.9  Lock Detection Current Limit (LOCK_ILIMIT)
          1. 6.3.24.9.1 LOCK_ILIMIT Latched Shutdown
          2. 6.3.24.9.2 LOCK_ILIMIT Automatic Recovery
          3. 6.3.24.9.3 LOCK_ILIMIT Report Only
          4. 6.3.24.9.4 LOCK_ILIMIT Disabled
        10. 6.3.24.10 Motor Lock Detection
          1. 6.3.24.10.1 Lock 1: Abnormal Speed (ABN_SPEED)
          2. 6.3.24.10.2 Lock 2: Abnormal BEMF (ABN_BEMF)
          3. 6.3.24.10.3 Lock3: No-Motor Fault (NO_MTR)
        11. 6.3.24.11 Motor Lock (MTR_LCK)
          1. 6.3.24.11.1 MTR_LCK Latched Shutdown
          2. 6.3.24.11.2 MTR_LCK Automatic Recovery
          3. 6.3.24.11.3 MTR_LCK Report Only
          4. 6.3.24.11.4 MTR_LCK Disabled
        12. 6.3.24.12 EEPROM Fault
        13. 6.3.24.13 I2C CRC Fault
        14. 6.3.24.14 Minimum VM (Undervoltage) Protection
        15. 6.3.24.15 Maximum VM (Overvoltage) Protection
        16. 6.3.24.16 MPET Faults
        17. 6.3.24.17 IPD Faults
        18. 6.3.24.18 FET Thermal Warning (OTW)
        19. 6.3.24.19 FET Thermal Shutdown (TSD_FET)
    4. 6.4 Device Functional Modes
      1. 6.4.1 Functional Modes
        1. 6.4.1.1 Sleep Mode
        2. 6.4.1.2 Standby Mode
        3. 6.4.1.3 Fault Reset (CLR_FLT)
    5. 6.5 External Interface
      1. 6.5.1 DRVOFF Functionality
      2. 6.5.2 DAC outputs
      3. 6.5.3 Current Sense Output
      4. 6.5.4 Oscillator Source
        1. 6.5.4.1 External Clock Source
      5. 6.5.5 External Watchdog
    6. 6.6 EEPROM access and I2C interface
      1. 6.6.1 EEPROM Access
        1. 6.6.1.1 EEPROM Write
        2. 6.6.1.2 EEPROM Read
        3. 6.6.1.3 EEPROM Security
      2. 6.6.2 I2C Serial Interface
        1. 6.6.2.1 I2C Data Word
        2. 6.6.2.2 I2C Write Transaction
        3. 6.6.2.3 I2C Read Transaction
        4. 6.6.2.4 I2C Communication Protocol Packet Examples
        5. 6.6.2.5 I2C Clock Stretching
        6. 6.6.2.6 CRC Byte Calculation
  8. 7 EEPROM (Non-Volatile) Register Map
    1. 7.1 Algorithm_Configuration Registers
    2. 7.2 Fault_Configuration Registers
    3. 7.3 Hardware_Configuration Registers
    4. 7.4 Internal_Algorithm_Configuration Registers
  9. 8 RAM (Volatile) Register Map
    1. 8.1 Fault_Status Registers
    2. 8.2 System_Status Registers
    3. 8.3 Device_Control Registers
    4. 8.4 Algorithm_Control Registers
    5. 8.5 Algorithm_Variables Registers
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Application Curves
        1. 9.2.1.1 Motor startup
        2. 9.2.1.2 MPET
        3. 9.2.1.3 Dead time compensation
        4. 9.2.1.4 Auto handoff
        5. 9.2.1.5 Anti voltage surge (AVS)
        6. 9.2.1.6 Real time variable tracking using DACOUT
    3. 9.3 Power Supply Recommendations
      1. 9.3.1 Bulk Capacitance
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
      3. 9.4.3 Thermal Considerations
        1. 9.4.3.1 Power Dissipation
  11. 10Device and Documentation Support
    1. 10.1 Support Resources
    2. 10.2 Trademarks
    3. 10.3 Electrostatic Discharge Caution
    4. 10.4 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

7.4 Internal_Algorithm_Configuration Registers

Table 7-29 lists the memory-mapped registers for the Internal_Algorithm_Configuration registers. All register offset addresses not listed in Table 7-29 should be considered as reserved locations and the register contents should not be modified.

Table 7-29 INTERNAL_ALGORITHM_CONFIGURATION Registers
OffsetAcronymRegister NameSection
A0hINT_ALGO_1Internal Algorithm Configuration1Section 7.4.1
A2hINT_ALGO_2Internal Algorithm Configuration2Section 7.4.2

Complex bit access types are encoded to fit into small table cells. Table 7-30 shows the codes that are used for access types in this section.

Table 7-30 Internal_Algorithm_Configuration Access Type Codes
Access TypeCodeDescription
Read Type
RRRead
Write Type
WWWrite
Reset or Default Value
-nValue after reset or the default value

7.4.1 INT_ALGO_1 Register (Offset = A0h) [Reset = 00000000h]

INT_ALGO_1 is shown in Figure 7-23 and described in Table 7-31.

Return to the Summary Table.

Register to configure internal algorithm parameters1

Figure 7-23 INT_ALGO_1 Register
3130292827262524
PARITYACTIVE_BRAKE_SPEED__DELTA_LIMIT_EXITSPEED_PIN_GLITCH_FILTERFAST_ISD_ENISD_STOP_TIME
R-0hR/W-0hR/W-0hR/W-0hR/W-0h
2322212019181716
ISD_RUN_TIMEISD_TIMEOUTAUTO_HANDOFF_MIN_BEMFBRAKE_CURRENT_PERSIST
R/W-0hR/W-0hR/W-0hR/W-0h
15141312111098
BRAKE_CURRENT_PERSISTRESERVED
R/W-0hR-0h
76543210
RESERVEDREV_DRV_OPEN_LOOP_DEC
R-0hR/W-0h
Table 7-31 INT_ALGO_1 Register Field Descriptions
BitFieldTypeResetDescription
31PARITYR0h Parity bit
30-29ACTIVE_BRAKE_SPEED__DELTA_LIMIT_EXITR/W0h Difference between final speed and present speed below which active braking will be stopped
  • 0h = 2.5%
  • 1h = 5%
  • 2h = 7.5%
  • 3h = 10%
28-27SPEED_PIN_GLITCH_FILTERR/W0h Glitch filter applied on speed pin input
  • 0h = No Glitch Filter
  • 1h = 0.2 µs
  • 2h = 0.5 µs
  • 3h = 1.0 µs
26FAST_ISD_ENR/W0h Enable fast speed detection during ISD
  • 0h = Disable fast ISD
  • 1h = Enable fast ISD
25-24ISD_STOP_TIMER/W0h Persistence time for declaring motor is in stopped state during ISD
  • 0h = 1 ms
  • 1h = 5 ms
  • 2h = 50 ms
  • 3h = 100 ms
23-22ISD_RUN_TIMER/W0h Persistence time for declaring motor is in running state during ISD
  • 0h = 1 ms
  • 1h = 5 ms
  • 2h = 50 ms
  • 3h = 100 ms
21-20ISD_TIMEOUTR/W0h Timeout in case ISD is unable to reliably detect speed or direction
  • 0h = 500ms
  • 1h = 750 ms
  • 2h = 1000 ms
  • 3h = 2000 ms
19-17AUTO_HANDOFF_MIN_BEMFR/W0h Minimum BEMF for handoff. Applicable when auto handoff is enabled.
  • 0h = 0 mV
  • 1h = 50 mV
  • 2h = 100 mV
  • 3h = 250 mV
  • 4h = 500 mV
  • 5h = 1000 mV
  • 6h = 1250 mV
  • 7h = 1500 mV
16-15BRAKE_CURRENT_PERSISTR/W0h Persistence time for current below threshold during current based ISD brake
  • 0h = 50 ms
  • 1h = 100 ms
  • 2h = 250 ms
  • 3h = 500 ms
14-3RESERVEDR0h Reserved
2-0REV_DRV_OPEN_LOOP_DECR/W0h % of open loop acceleration to be applied during open loop deceleration in reverse drive
  • 0h = 50%
  • 1h = 60%
  • 2h = 70%
  • 3h = 80%
  • 4h = 90%
  • 5h = 100%
  • 6h = 125%
  • 7h = 150%

7.4.2 INT_ALGO_2 Register (Offset = A2h) [Reset = 00000000h]

INT_ALGO_2 is shown in Figure 7-24 and described in Table 7-32.

Return to the Summary Table.

Register to configure internal algorithm parameters2

Figure 7-24 INT_ALGO_2 Register
3130292827262524
PARITYFLUX_WEAK_KP
R-0hR/W-0h
2322212019181716
FLUX_WEAK_KPFLUX_WEAK_KI
R/W-0hR/W-0h
15141312111098
FLUX_WEAK_KIFLUX_WEAK_ENABLECL_SLOW_ACC
R/W-0hR/W-0hR/W-0h
76543210
CL_SLOW_ACCACTIVE_BRAKE_BUS_CURRENT_SLEW_RATEISD_BEMF_FILT_ENABLECIRCULAR_CURRENT_LIMIT_ENABLEIPD_HIGH_RESOLUTION_EN
R/W-0hR/W-0hR/W-0hR/W-0hR/W-0h
Table 7-32 INT_ALGO_2 Register Field Descriptions
BitFieldTypeResetDescription
31PARITYR0h Parity bit
30-21FLUX_WEAK_KPR/W0h 10-bit value for flux weakening loop Kp. Kp = 8LSB of 0.1 * FLUX_WEAK_KP / 10^2MSB of FLUX_WEAK_KP.
20-11FLUX_WEAK_KIR/W0h 10-bit value for current Iq and Id loop Ki. Ki = 10 * 8LSB of FLUX_WEAK_KI / 10^2MSB of FLUX_WEAK_KI.
10FLUX_WEAK_ENABLER/W0h Enable flux weakening
  • 0h = Flux Weakening is disabled
  • 1h = Flux Weakening is enabled
9-6CL_SLOW_ACCR/W0h Close loop acceleration when estimator is not yet fully aligned (only in speed mode) and acceleration/deacceleration during power/speed limit (Speed mode: Hz/s Power mode: deciWatts/s Torque mode: centiA/s duty cycle mode: milliUnit/s) deciWatt: 0.1W centiA: 0.01A milliUnit: 0.001%
  • 0h = 0.1 Hz/s
  • 1h = 1 Hz/s
  • 2h = 2 Hz/s
  • 3h = 3 Hz/s
  • 4h = 5 Hz/s
  • 5h = 10 Hz/s
  • 6h = 20 Hz/s
  • 7h = 30 Hz/s
  • 8h = 40 Hz/s
  • 9h = 50 Hz/s
  • Ah = 100 Hz/s
  • Bh = 200 Hz/s
  • Ch = 500 Hz/s
  • Dh = 750 Hz/s
  • Eh = 1000 Hz/s
  • Fh = 2000 Hz/s
5-3ACTIVE_BRAKE_BUS_CURRENT_SLEW_RATER/W0h Bus current slew rate during active braking
  • 0h = 10 A/s
  • 1h = 50 A/s
  • 2h = 100 A/s
  • 3h = 250 A/s
  • 4h = 500 A/s
  • 5h = 1000 A/s
  • 6h = 5000 A/s
  • 7h = No Limit A/s
2ISD_BEMF_FILT_ENABLER/W0h Enable BEMF filter during ISD.
  • 0h = Disable
  • 1h = Enable
1CIRCULAR_CURRENT_LIMIT_ENABLER/W0h Configuration for ILIMIT vs. peak phase current
  • 0h = Circular current limit is disabled: ILIMIT * sqrt(2) can be peak phase current
  • 1h = Circular current limit is enabled: ILIMIT is peak phase current
0IPD_HIGH_RESOLUTION_ENR/W0h IPD high resolution enable
  • 0h = Disable
  • 1h = Enable