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MCF8329A-Q1 Automotive Sensorless Field Oriented Control (FOC) Three-phase BLDC Gate Driver
SLLSFV1
March 2025
MCF8329A-Q1
PRODUCTION DATA
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MCF8329A-Q1 Automotive Sensorless Field Oriented Control (FOC) Three-phase BLDC Gate Driver
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings Auto
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Characteristics of the SDA and SCL bus for Standard and Fast mode
5.7
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Three Phase BLDC Gate Drivers
6.3.2
Gate Drive Architecture
6.3.2.1
Dead time and Cross Conduction Prevention
6.3.3
AVDD Linear Voltage Regulator
6.3.4
Low-Side Current Sense Amplifier
6.3.5
Device Interface Modes
6.3.5.1
Interface - Control and Monitoring
6.3.5.2
I2C Interface
6.3.6
Motor Control Input Options
6.3.6.1
Analog-Mode Motor Control
6.3.6.2
PWM-Mode Motor Control
6.3.6.3
Frequency-Mode Motor Control
6.3.6.4
I2C based Motor Control
6.3.6.5
Input Control Signal Profiles
6.3.6.5.1
Linear Control Profiles
6.3.6.5.2
Staircase Control Profiles
6.3.6.5.3
Forward-Reverse Profiles
6.3.6.6
Control Input Transfer Function without Profiler
6.3.7
Bootstrap Capacitor Initial Charging
6.3.8
Starting the Motor Under Different Initial Conditions
6.3.8.1
Case 1 – Motor is Stationary
6.3.8.2
Case 2 – Motor is Spinning in the Forward Direction
6.3.8.3
Case 3 – Motor is Spinning in the Reverse Direction
6.3.9
Motor Start Sequence (MSS)
6.3.9.1
Initial Speed Detect (ISD)
6.3.9.2
Motor Resynchronization
6.3.9.3
Reverse Drive
6.3.9.3.1
Reverse Drive Tuning
6.3.9.4
Motor Start-up
6.3.9.4.1
Align
6.3.9.4.2
Double Align
6.3.9.4.3
Initial Position Detection (IPD)
6.3.9.4.3.1
IPD Operation
6.3.9.4.3.2
IPD Release
6.3.9.4.3.3
IPD Advance Angle
6.3.9.4.4
Slow First Cycle Startup
6.3.9.4.5
Open loop
6.3.9.4.6
Transition from Open to Closed Loop
6.3.10
Closed Loop Operation
6.3.10.1
Closed loop accelerate
6.3.10.2
Speed PI Control
6.3.10.3
Current PI Control
6.3.10.4
Power Loop
6.3.10.5
Modulation Index Control
6.3.11
Maximum Torque Per Ampere (MTPA) Control
6.3.12
Flux Weakening Control
6.3.13
Motor Parameters
6.3.13.1
Motor Resistance
6.3.13.2
Motor Inductance
6.3.13.3
Motor Back-EMF constant
6.3.14
Motor Parameter Extraction Tool (MPET)
6.3.15
Anti-Voltage Surge (AVS)
6.3.16
Active Braking
6.3.17
Output PWM Switching Frequency
6.3.18
Dead Time Compensation
6.3.19
Voltage Sense Scaling
6.3.20
Motor Stop Options
6.3.20.1
Coast (Hi-Z) Mode
6.3.20.2
Recirculation Mode
6.3.20.3
Low-Side Braking
6.3.20.4
Active Spin-Down
6.3.21
FG Configuration
6.3.21.1
FG Output Frequency
6.3.21.2
FG in Open-Loop
6.3.21.3
FG During Motor Stop
6.3.21.4
FG Behavior During Fault
6.3.22
DC Bus Current Limit
6.3.23
Protections
6.3.23.1
PVDD Supply Undervoltage Lockout (PVDD_UV)
6.3.23.2
AVDD Power on Reset (AVDD_POR)
6.3.23.3
GVDD Undervoltage Lockout (GVDD_UV)
6.3.23.4
BST Undervoltage Lockout (BST_UV)
6.3.23.5
MOSFET VDS Overcurrent Protection (VDS_OCP)
6.3.23.6
VSENSE Overcurrent Protection (SEN_OCP)
6.3.23.7
Thermal Shutdown (OTSD)
6.3.23.8
Hardware Lock Detection Current Limit (HW_LOCK_ILIMIT)
6.3.23.8.1
HW_LOCK_ILIMIT Latched Shutdown (HW_LOCK_ILIMIT_MODE = 00xxb)
6.3.23.8.2
HW_LOCK_ILIMIT Automatic recovery (HW_LOCK_ILIMIT_MODE = 01xxb)
6.3.23.8.3
HW_LOCK_ILIMIT Report Only (HW_LOCK_ILIMIT_MODE = 1000b)
6.3.23.8.4
HW_LOCK_ILIMIT Disabled (HW_LOCK_ILIMIT_MODE= 1001b to 1111b)
6.3.23.9
Lock Detection Current Limit (LOCK_ILIMIT)
6.3.23.9.1
LOCK_ILIMIT Latched Shutdown (LOCK_ILIMIT_MODE = 00xxb)
6.3.23.9.2
LOCK_ILIMIT Automatic Recovery (LOCK_ILIMIT_MODE = 01xxb)
6.3.23.9.3
LOCK_ILIMIT Report Only (LOCK_ILIMIT_MODE = 1000b)
6.3.23.9.4
LOCK_ILIMIT Disabled (LOCK_ILIMIT_MODE = 1xx1b)
6.3.23.10
Motor Lock (MTR_LCK)
6.3.23.10.1
MTR_LCK Latched Shutdown (MTR_LCK_MODE = 00xxb)
6.3.23.10.2
MTR_LCK Automatic Recovery (MTR_LCK_MODE= 01xxb)
6.3.23.10.3
MTR_LCK Report Only (MTR_LCK_MODE = 1000b)
6.3.23.10.4
MTR_LCK Disabled (MTR_LCK_MODE = 1xx1b)
6.3.23.11
Motor Lock Detection
6.3.23.11.1
Lock 1: Abnormal Speed (ABN_SPEED)
6.3.23.11.2
Lock 2: Abnormal BEMF (ABN_BEMF)
6.3.23.11.3
Lock3: No-Motor Fault (NO_MTR)
6.3.23.12
MPET Faults
6.3.23.13
IPD Faults
6.4
Device Functional Modes
6.4.1
Functional Modes
6.4.1.1
Sleep Mode
6.4.1.2
Standby Mode
6.4.1.3
Fault Reset (CLR_FLT)
6.5
External Interface
6.5.1
DRVOFF - Gate Driver Shutdown Functionality
6.5.2
Oscillator Source
6.5.2.1
External Clock Source
6.6
EEPROM access and I2C interface
6.6.1
EEPROM Access
6.6.1.1
EEPROM Write
6.6.1.2
EEPROM Read
6.6.2
I2C Serial Interface
6.6.2.1
I2C Data Word
6.6.2.2
I2C Write Operation
6.6.2.3
I2C Read Operation
6.6.2.4
Examples of I2C Communication Protocol Packets
6.6.2.5
Internal Buffers
6.6.2.6
CRC Byte Calculation
7
EEPROM (Non-Volatile) Register Map
7.1
Algorithm_Configuration Registers
7.2
Fault_Configuration Registers
7.3
Hardware_Configuration Registers
7.4
Internal_Algorithm_Configuration Registers
8
RAM (Volatile) Register Map
8.1
Fault_Status Registers
8.2
Algorithm_Control Registers
8.3
System_Status Registers
8.4
Device_Control Registers
8.5
Algorithm_Variables Registers
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
Detailed Design Procedure
Bootstrap Capacitor and GVDD Capacitor Selection
Gate Drive Current
Gate Resistor Selection
System Considerations in High Power Designs
Capacitor Voltage Ratings
External Power Stage Components
9.3
Power Supply Recommendations
9.3.1
Bulk Capacitance
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
9.4.3
Thermal Considerations
9.4.3.1
Power Dissipation
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
Support Resources
10.3
Trademarks
10.4
Electrostatic Discharge Caution
10.5
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
RRY|32
MPQF713A
Thermal pad, mechanical data (Package|Pins)
RRY|32
QFND763
Orderable Information
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Data Sheet
MCF8329A-Q1
Automotive
Sensorless Field Oriented Control (FOC)
Three-phase BLDC Gate Driver