SLLSFI0C
august 2021 – june 2023
MCF8316A
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Characteristics of the SDA and SCL bus for Standard and Fast mode
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Output Stage
7.3.2
Device Interface Modes
7.3.2.1
Interface - Control and Monitoring
7.3.2.2
I2C Interface
7.3.3
Step-Down Mixed-Mode Buck Regulator
7.3.3.1
Buck in Inductor Mode
7.3.3.2
Buck in Resistor mode
7.3.3.3
Buck Regulator with External LDO
7.3.3.4
AVDD Power Sequencing from Buck Regulator
7.3.3.5
Mixed Mode Buck Operation and Control
7.3.3.6
Buck Undervoltage Protection
7.3.3.7
Buck Overcurrent Protection
7.3.4
AVDD Linear Voltage Regulator
7.3.5
Charge Pump
7.3.6
Slew Rate Control
7.3.7
Cross Conduction (Dead Time)
7.3.8
SPEED Control
7.3.8.1
Analog-Mode Speed Control
7.3.8.2
PWM-Mode Speed Control
7.3.8.3
I2C based Speed Control
7.3.8.4
Frequency-Mode Speed Control
7.3.8.5
Speed Profiles
7.3.8.5.1
Linear Speed Profiles
7.3.8.5.2
Staircase Speed Profiles
7.3.8.5.3
Forward-Reverse Speed Profiles
7.3.9
Starting the Motor Under Different Initial Conditions
7.3.9.1
Case 1 – Motor is Stationary
7.3.9.2
Case 2 – Motor is Spinning in the Forward Direction
7.3.9.3
Case 3 – Motor is Spinning in the Reverse Direction
7.3.10
Motor Start Sequence (MSS)
7.3.10.1
Initial Speed Detect (ISD)
7.3.10.2
Motor Resynchronization
7.3.10.3
Reverse Drive
7.3.10.3.1
Reverse Drive Tuning
7.3.10.4
Motor Start-up
7.3.10.4.1
Align
7.3.10.4.2
Double Align
7.3.10.4.3
Initial Position Detection (IPD)
7.3.10.4.3.1
IPD Operation
7.3.10.4.3.2
IPD Release Mode
7.3.10.4.3.3
IPD Advance Angle
7.3.10.4.4
Slow First Cycle Startup
7.3.10.4.5
Open loop
7.3.10.4.6
Transition from Open to Closed Loop
7.3.11
Closed Loop Operation
7.3.11.1
Closed Loop Acceleration/Deceleration Slew Rate
7.3.11.2
Speed PI Control
7.3.11.3
Current PI Control
7.3.11.4
Overmodulation
7.3.12
Motor Parameters
7.3.12.1
Motor Resistance
7.3.12.2
Motor Inductance
7.3.12.3
Motor Back-EMF constant
7.3.13
Motor Parameter Extraction Tool (MPET)
7.3.14
Anti-Voltage Surge (AVS)
7.3.15
Output PWM Switching Frequency
7.3.16
Active Braking
7.3.17
PWM Modulation Schemes
7.3.18
Dead Time Compensation
7.3.19
Motor Stop Options
7.3.19.1
Coast (Hi-Z) Mode
7.3.19.2
Recirculation Mode
7.3.19.3
Low-Side Braking
7.3.19.4
High-Side Braking
7.3.19.5
Active Spin-Down
7.3.19.6
Align Braking
7.3.20
FG Configuration
7.3.20.1
FG Output Frequency
7.3.20.2
FG Open-Loop and Lock Behavior
7.3.21
DC Bus Current Limit
7.3.22
Protections
7.3.22.1
VM Supply Undervoltage Lockout
7.3.22.2
AVDD Undervoltage Lockout (AVDD_UV)
7.3.22.3
BUCK Undervoltage Lockout (BUCK_UV)
7.3.22.4
VCP Charge Pump Undervoltage Lockout (CPUV)
7.3.22.5
Overvoltage Protection (OVP)
7.3.22.6
Overcurrent Protection (OCP)
7.3.22.6.1
OCP Latched Shutdown (OCP_MODE = 00b)
7.3.22.6.2
OCP Automatic Retry (OCP_MODE = 01b)
7.3.22.6.3
OCP Report Only (OCP_MODE = 10b)
7.3.22.6.4
OCP Disabled (OCP_MODE = 11b)
7.3.22.7
Buck Overcurrent Protection
7.3.22.8
Hardware Lock Detection Current Limit (HW_LOCK_ILIMIT)
7.3.22.8.1
HW_LOCK_ILIMIT Latched Shutdown (HW_LOCK_ILIMIT_MODE = 00xxb)
7.3.22.8.2
HW_LOCK_ILIMIT Automatic recovery (HW_LOCK_ILIMIT_MODE = 01xxb)
7.3.22.8.3
HW_LOCK_ILIMIT Report Only (HW_LOCK_ILIMIT_MODE = 1000b)
7.3.22.8.4
HW_LOCK_ILIMIT Disabled (HW_LOCK_ILIMIT_MODE= 1xx1b)
7.3.22.9
Thermal Warning (OTW)
7.3.22.10
Thermal Shutdown (TSD)
7.3.22.11
Motor Lock (MTR_LCK)
7.3.22.11.1
MTR_LCK Latched Shutdown (MTR_LCK_MODE = 00xxb)
7.3.22.11.2
MTR_LCK Automatic Recovery (MTR_LCK_MODE= 01xxb)
7.3.22.11.3
MTR_LCK Report Only (MTR_LCK_MODE = 1000b)
7.3.22.11.4
MTR_LCK Disabled (MTR_LCK_MODE = 1xx1b)
7.3.22.12
Motor Lock Detection
7.3.22.12.1
Lock 1: Abnormal Speed (ABN_SPEED)
7.3.22.12.2
Lock 2: Abnormal BEMF (ABN_BEMF)
7.3.22.12.3
Lock3: No-Motor Fault (NO_MTR)
7.3.22.13
MPET Faults
7.3.22.14
IPD Faults
7.4
Device Functional Modes
7.4.1
Functional Modes
7.4.1.1
Sleep Mode
7.4.1.2
Standby Mode
7.4.1.3
Fault Reset (CLR_FLT)
7.5
External Interface
7.5.1
DRVOFF Functionality
7.5.2
SOX Output
7.5.3
Oscillator Source
7.5.3.1
External Clock Source
7.5.4
External Watchdog
7.6
EEPROM access and I2C interface
7.6.1
EEPROM Access
7.6.1.1
EEPROM Write
7.6.1.2
EEPROM Read
7.6.2
I2C Serial Interface
7.6.2.1
I2C Data Word
7.6.2.2
I2C Write Operation
7.6.2.3
I2C Read Operation
7.6.2.4
Examples of MCF8316A I2C Communication Protocol Packets
7.6.2.5
Internal Buffers
7.6.2.6
CRC Byte Calculation
7.7
EEPROM (Non-Volatile) Register Map
7.7.1
Algorithm_Configuration Registers
7.7.2
Fault_Configuration Registers
7.7.3
Hardware_Configuration Registers
7.7.4
Internal_Algorithm_Configuration Registers
7.8
RAM (Volatile) Register Map
7.8.1
Fault_Status Registers
7.8.2
System_Status Registers
7.8.3
Device_Control Registers
7.8.4
Algorithm_Control Registers
7.8.5
Algorithm_Variables Registers
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Application Curves
8.2.1.1
Motor startup
8.2.1.2
MPET
8.2.1.3
Dead time compensation
8.2.1.4
Auto handoff
8.2.1.5
Motor stop – recirculation mode
8.2.1.6
Anti voltage surge (AVS)
9
Power Supply Recommendations
9.1
Bulk Capacitance
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Thermal Considerations
10.3.1
Power Dissipation
11
Device and Documentation Support
11.1
Support Resources
11.2
Trademarks
11.3
Electrostatic Discharge Caution
11.4
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RGF|40
MPQF173F
Thermal pad, mechanical data (Package|Pins)
RGF|40
QFND672
Orderable Information
sllsfi0c_oa
sllsfi0c_pm
7.8
RAM (Volatile) Register Map