ZHCSQ30 December   2022 DRV8317

PRODUCTION DATA  

  1.   1
  2. 特性
  3. 应用
  4. 说明
  5. Revision History
  6. Device Comparison Table
  7. Pin Configuration and Functions
  8. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
  9. 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
        2. 8.3.2.2 3x PWM Mode
      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  AVDD Linear Voltage Regulator
      5. 8.3.5  Charge Pump
      6. 8.3.6  Slew Rate Control
      7. 8.3.7  Cross Conduction (Dead Time)
      8. 8.3.8  Propagation Delay
      9. 8.3.9  Pin Diagrams
        1. 8.3.9.1 Logic Level Input Pin (Internal Pulldown)
        2. 8.3.9.2 Logic Level Input Pin (Internal Pullup)
        3. 8.3.9.3 Open Drain Pin
        4. 8.3.9.4 Push Pull Pin
        5. 8.3.9.5 Four Level Input Pin
      10. 8.3.10 Current Sense Amplifiers
        1. 8.3.10.1 Current Sense Amplifier Operation
      11. 8.3.11 Protections
        1. 8.3.11.1 Under Voltage Protection (UVP)
        2. 8.3.11.2 VM Under Voltage Warn (VMUV_WARN) Protection
          1. 8.3.11.2.1 VM Under Voltage Warn Automatic Retry (VMUV_WARN_MODE = 00b or 01b)
          2. 8.3.11.2.2 VM Under Voltage Warn Report Only (VMUV_WARN_MODE = 10b)
          3. 8.3.11.2.3 VM Under Voltage Warn Disabled (VMUV_WARN_MODE = 11b)
        3. 8.3.11.3 Over Current Protection (OCP)
          1. 8.3.11.3.1 OCP Latched Fault (OCP_MODE = 010b)
          2. 8.3.11.3.2 OCP Automatic Retry (OCP_MODE = 000b or 001b)
          3. 8.3.11.3.3 OCP Report Only (OCP_MODE = 011b)
        4. 8.3.11.4 VM Over Voltage Protection (OVP)
        5. 8.3.11.5 SPI Fault
        6. 8.3.11.6 System (OTP Read) Fault
        7. 8.3.11.7 Thermal Protection
          1. 8.3.11.7.1 FET Over Temperature Warning (OTW_FET)
          2. 8.3.11.7.2 FET Over Temperature Shutdown (OTS_FET)
          3. 8.3.11.7.3 LDO Over Temperature Shutdown
    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 (FLT_CLR or nSLEEP Reset Pulse)
    5. 8.5 SPI Communication
      1. 8.5.1 Programming
        1. 8.5.1.1 SPI Format
    6. 8.6 DRV8317 Registers
  10. 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. 9.2.1.2 Driver Propagation Delay and Dead Time
        3. 9.2.1.3 Delay Compensation
        4. 9.2.1.4 Current Sensing and Output Filtering
        5. 9.2.1.5 Application Curves
    3. 9.3 Alternate Applications
  11. 10Power Supply Recommendations
    1. 10.1 Bulk Capacitance
  12. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Considerations
      1. 11.3.1 Power Dissipation and Junction Temperature Estimation
  13. 12Device and Documentation Support
    1. 12.1 支持资源
    2. 12.2 Trademarks
    3. 12.3 静电放电警告
    4. 12.4 术语表
  14. 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

特性

  • 三相 BLDC 电机驱动器
    • 用于缓解 EMI 的可配置压摆率
    • 可编程增益电流检测
    • 支持高达 200kHz 的 PWM 频率
    • 集成击穿保护
  • 4.5V 至 20V 工作电压
    • 24V 绝对最大电压
  • 高输出电流能力
    • 5A 峰值电流驱动能力
  • 低导通状态电阻 MOSFET
    • TA = 25°C 时的 RDS(ON) (HS + LS):130mΩ(典型值)
  • 超低静态电流睡眠模式
    • VVM = 12V、TA = 25°C 时为 3µA(最大值)
  • 多种控制接口选项
    • 6x PWM 控制接口
    • 3x PWM 控制接口
  • 集成式电流检测
    • 无需外部电流检测电阻
    • 三相电流检测输出
  • SPI 和硬件器件型号
    • 10MHz SPI 接口型号,可实现灵活性
    • 引脚可配置型号,可实现简单性
  • 支持 1.8V、3.3V 和 5V 逻辑输入
  • 内置 3.3V ± 4.5%、80mA LDO 稳压器
  • 集成保护特性
    • VM 欠压锁定 (UVLO)
    • VM 过压保护 (OVP)
    • 电荷泵欠压 (CPUV)
    • 过流保护 (OCP)
    • 过热警告和关断 (OTW/OTS)
    • 故障条件指示引脚 (nFAULT)