ZHCSRR7 February   2023 DRV8316C-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings Auto
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 SPI Timing Requirements
    7. 7.7 SPI Slave Mode Timings
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Output Stage
      2. 8.3.2  Control Modes
        1. 8.3.2.1 6x PWM Mode (PWM_MODE = 00b or MODE Pin Tied to AGND)
        2. 8.3.2.2 3x PWM Mode (PWM_MODE = 10b or MODE Pin is Connected to AVDD with RMODE)
        3. 8.3.2.3 Current Limit Mode (PWM_MODE = 01b / 11b or MODE Pin is Hi-Z or Connected to AVDD)
      3. 8.3.3  Device Interface Modes
        1. 8.3.3.1 Serial Peripheral Interface (SPI)
        2. 8.3.3.2 Hardware Interface
      4. 8.3.4  Step-Down Mixed-Mode Buck Regulator
        1. 8.3.4.1 Buck in Inductor Mode
        2. 8.3.4.2 Buck in Resistor mode
        3. 8.3.4.3 Buck Regulator with External LDO
        4. 8.3.4.4 AVDD Power Sequencing on Buck Regulator
        5. 8.3.4.5 Mixed mode Buck Operation and Control
      5. 8.3.5  AVDD Linear Voltage Regulator
      6. 8.3.6  Charge Pump
      7. 8.3.7  Slew Rate Control
      8. 8.3.8  Cross Conduction (Dead Time)
      9. 8.3.9  Propagation Delay
        1. 8.3.9.1 Driver Delay Compensation
      10. 8.3.10 Pin Diagrams
        1. 8.3.10.1 Logic Level Input Pin (Internal Pulldown)
        2. 8.3.10.2 Logic Level Input Pin (Internal Pullup)
        3. 8.3.10.3 Open Drain Pin
        4. 8.3.10.4 Push Pull Pin
        5. 8.3.10.5 Four Level Input Pin
      11. 8.3.11 Current Sense Amplifiers
        1. 8.3.11.1 Current Sense Amplifier Operation
      12. 8.3.12 Active Demagnetization
        1. 8.3.12.1 Automatic Synchronous Rectification Mode (ASR Mode)
          1. 8.3.12.1.1 Automatic Synchronous Rectification in Commutation
          2. 8.3.12.1.2 Automatic Synchronous Rectification in PWM Mode
        2. 8.3.12.2 Automatic Asynchronous Rectification Mode (AAR Mode)
      13. 8.3.13 Cycle-by-Cycle Current Limit
        1. 8.3.13.1 Cycle by Cycle Current Limit with 100% Duty Cycle Input
      14. 8.3.14 Protections
        1. 8.3.14.1 VM Supply Undervoltage Lockout (NPOR)
        2. 8.3.14.2 AVDD Undervoltage Lockout (AVDD_UV)
        3. 8.3.14.3 Buck Undervoltage Lockout (BUCK_UV)
        4. 8.3.14.4 VCP Charge Pump Undervoltage Lockout (CPUV)
        5. 8.3.14.5 Overvoltage Protection (OVP)
        6. 8.3.14.6 Overcurrent Protection (OCP)
          1. 8.3.14.6.1 OCP Latched Shutdown (OCP_MODE = 00b)
          2. 8.3.14.6.2 OCP Automatic Retry (OCP_MODE = 01b)
          3. 8.3.14.6.3 OCP Report Only (OCP_MODE = 10b)
          4. 8.3.14.6.4 OCP Disabled (OCP_MODE = 11b)
        7. 8.3.14.7 Buck Overcurrent Protection
        8. 8.3.14.8 Thermal Warning (OTW)
        9. 8.3.14.9 Thermal Shutdown (OTSD)
          1. 8.3.14.9.1 OTSD FET
          2. 8.3.14.9.2 OTSD (Non-FET)
    4. 8.4 Device Functional Modes
      1. 8.4.1 Functional Modes
        1. 8.4.1.1 Sleep Mode
        2. 8.4.1.2 Operating Mode
        3. 8.4.1.3 Fault Reset (CLR_FLT or nSLEEP Reset Pulse)
      2. 8.4.2 DRVOFF functionality
    5. 8.5 SPI Communication
      1. 8.5.1 Programming
        1. 8.5.1.1 SPI Format
    6. 8.6 Register Map
      1. 8.6.1 STATUS Registers
      2. 8.6.2 CONTROL Registers
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Three-Phase Brushless-DC Motor Control
        1. 9.2.1.1 Detailed Design Procedure
          1. 9.2.1.1.1 Motor Voltage
          2. 9.2.1.1.2 Using Active Demagnetization
          3. 9.2.1.1.3 Driver Propagation Delay and Dead Time
          4. 9.2.1.1.4 Using Delay Compensation
          5. 9.2.1.1.5 Using the Buck Regulator
          6. 9.2.1.1.6 Current Sensing and Output Filtering
        2. 9.2.1.2 Application Curves
      2. 9.2.2 Three-Phase Brushless-DC Motor Control With Current Limit
        1. 9.2.2.1 Block Diagram
        2. 9.2.2.2 Detailed Design Procedure
          1. 9.2.2.2.1 Motor Voltage
          2. 9.2.2.2.2 ILIM Implementation
        3. 9.2.2.3 Application Curves
      3. 9.2.3 Brushed-DC and Solenoid Load
        1. 9.2.3.1 Block Diagram
        2. 9.2.3.2 Design Requirements
          1. 9.2.3.2.1 Detailed Design Procedure
      4. 9.2.4 Three Solenoid Loads
        1. 9.2.4.1 Block Diagram
        2. 9.2.4.2 Design Requirements
          1. 9.2.4.2.1 Detailed Design Procedure
  10. 10Power Supply Recommendations
    1. 10.1 Bulk Capacitance
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Considerations
      1. 11.3.1 Power Dissipation
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 支持资源
    3. 12.3 Trademarks
    4. 12.4 静电放电警告
    5. 12.5 术语表
  13. 13Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

8.3.2 Control Modes

The DRV8316C-Q1 family of devices provides four different control modes to support various commutation and control methods. Table 8-2 shows the various modes of the DRV8316C-Q1 device.

Table 8-2 PWM Control Modes
MODE MODE Pin (Hardware Variant) PWM_MODE Bits (SPI Variant) VREF/ILIM pin configuration CSA output (SOx)
6x Mode Connected to AGND PWM_MODE = 00b VREF: Reference for CSA SOx available
6x Mode with Current Limit Hi-Z PWM_MODE = 01b ILIM: Threshold for cycle by cycle current limit SOx not available
3x Mode Connected to AVDD with RMODE PWM_MODE = 10b VREF: Reference for CSA SOx available
3x Mode with Current Limit Connected to AVDD PWM_MODE = 11b ILIM: Threshold for cycle by cycle current limit SOx not available
Note:

Texas Instruments does not recommend changing the MODE pin or PWM_MODE register during operation of the power MOSFETs. Set all INHx and INLx pins to logic low before changing the MODE pin or PWM_MODE register.
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