ZHCSI91B November   2017  – July 2018 DRV8304

UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     简化原理图
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 3-Phase Smart Gate Drivers
        1. 7.3.1.1 PWM Control Modes
          1. 7.3.1.1.1 6x PWM Mode (PWM_MODE = 00b or MODE Pin Tied to AGND)
          2. 7.3.1.1.2 3x PWM Mode (PWM_MODE = 01b or MODE Pin = 47 kΩ to AGND)
          3. 7.3.1.1.3 1x PWM Mode (PWM_MODE = 10b or MODE Pin = Hi-Z)
          4. 7.3.1.1.4 Independent PWM Mode (PWM_MODE = 11b or MODE Pin Tied to DVDD)
        2. 7.3.1.2 Device Interface Modes
          1. 7.3.1.2.1 Serial Peripheral Interface (SPI)
          2. 7.3.1.2.2 Hardware Interface
        3. 7.3.1.3 Gate Driver Voltage Supplies
        4. 7.3.1.4 Smart Gate-Drive Architecture
          1. 7.3.1.4.1 IDRIVE: MOSFET Slew-Rate Control
          2. 7.3.1.4.2 TDRIVE: MOSFET Gate Drive Control
          3. 7.3.1.4.3 Gate Drive Clamp
          4. 7.3.1.4.4 Propagation Delay
          5. 7.3.1.4.5 MOSFET VDS Monitors
          6. 7.3.1.4.6 VDRAIN Sense Pin
      2. 7.3.2 DVDD Linear Voltage Regulator
      3. 7.3.3 Pin Diagrams
      4. 7.3.4 Low-Side Current-Shunt Amplifiers
        1. 7.3.4.1 Bidirectional Current Sense Operation
        2. 7.3.4.2 Unidirectional Current Sense Operation (SPI only)
        3. 7.3.4.3 Offset Calibration
      5. 7.3.5 Gate-Driver Protection Circuits
        1. 7.3.5.1 VM Supply Undervoltage Lockout (UVLO)
        2. 7.3.5.2 VCP Charge-Pump Undervoltage Lockout (CPUV)
        3. 7.3.5.3 MOSFET VDS Overcurrent Protection (VDS_OCP)
          1. 7.3.5.3.1 VDS Latched Shutdown (OCP_MODE = 00b)
          2. 7.3.5.3.2 VDS Automatic Retry (OCP_MODE = 01b)
          3. 7.3.5.3.3 VDS Report Only (OCP_MODE = 10b)
          4. 7.3.5.3.4 VDS Disabled (OCP_MODE = 11b)
        4. 7.3.5.4 VSENSE Overcurrent Protection (SEN_OCP)
          1. 7.3.5.4.1 VSENSE Latched Shutdown (OCP_MODE = 00b)
          2. 7.3.5.4.2 VSENSE Automatic Retry (OCP_MODE = 01b)
          3. 7.3.5.4.3 VSENSE Report Only (OCP_MODE = 10b)
          4. 7.3.5.4.4 VSENSE Disabled (OCP_MODE = 11b or DIS_SEN = 1b)
        5. 7.3.5.5 Gate Driver Fault (GDF)
        6. 7.3.5.6 Thermal Warning (OTW)
        7. 7.3.5.7 Thermal Shutdown (OTSD)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Gate Driver Functional Modes
        1. 7.4.1.1 Sleep Mode
        2. 7.4.1.2 Operating Mode
        3. 7.4.1.3 Fault Reset (CLR_FLT or ENABLE Reset Pulse)
    5. 7.5 Programming
      1. 7.5.1 SPI Communication
        1. 7.5.1.1 SPI
          1. 7.5.1.1.1 SPI Format
    6. 7.6 Register Maps
      1. Table 1. DRV8304S Register Map
      2. 7.6.1     Status Registers (DRV8304S Only)
        1. 7.6.1.1 Fault Status Register 1 (Address = 0x00) [reset = 0x00]
          1. Table 11. Fault Status Register 1 Field Descriptions
        2. 7.6.1.2 Fault Status Register 2 (Address = 0x01) [reset = 0x00]
          1. Table 12. Fault Status Register 2 Field Descriptions
      3. 7.6.2     Control Registers (DRV8304S Only)
        1. 7.6.2.1 Driver Control Register (Address = 0x02) [reset = 0x00]
          1. Table 14. Driver Control Field Descriptions
        2. 7.6.2.2 Gate Drive HS Register (Address = 0x03) [reset = 0x377]
          1. Table 15. Gate Drive HS Field Descriptions
        3. 7.6.2.3 Gate Drive LS Register (Address = 0x04) [reset = 0x777]
          1. Table 16. Gate Drive LS Register Field Descriptions
        4. 7.6.2.4 OCP Control Register (Address = 0x05) [reset = 0x145]
          1. Table 17. OCP Control Field Descriptions
        5. 7.6.2.5 CSA Control Register (Address = 0x06) [reset = 0x283]
          1. Table 18. CSA Control Field Descriptions
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Primary Application
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 External MOSFET Support
            1. 8.2.1.2.1.1 Example
          2. 8.2.1.2.2 IDRIVE Configuration
            1. 8.2.1.2.2.1 Example
          3. 8.2.1.2.3 VDS Overcurrent Monitor Configuration
            1. 8.2.1.2.3.1 Example
          4. 8.2.1.2.4 Sense-Amplifier Bidirectional Configuration
            1. 8.2.1.2.4.1 Example
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Alternative Application
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 Sense-Amplifier Unidirectional Configuration
            1. 8.2.2.2.1.1 Example
  9. 9 Power Supply Recommendations
    1. 9.1 Bulk Capacitance Sizing
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 器件命名规则
    2. 11.2 文档支持
      1. 11.2.1 相关文档
    3. 11.3 接收文档更新通知
    4. 11.4 社区资源
    5. 11.5 商标
    6. 11.6 静电放电警告
    7. 11.7 术语表
  12. 12机械、封装和可订购信息

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • RHA|40
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.1 Absolute Maximum Ratings

over operating ambient temperature range (unless otherwise noted)(1)
MIN MAX UNIT
Power supply voltage (VM) –0.3 40 V
Voltage differential between any ground pin (AGND, DGND, PGND) –0.5 0.5 V
Internal logic regulator voltage (DVDD) –0.3 3.8 V
MOSFET voltage sense (VDRAIN) –0.3 40 V
Charge pump voltage (VCP, CPH) –0.3 VM + 13.5 V
Charge pump negative switching pin voltage (CPL) –0.3 VM V
Digital pin voltage (SCLK, SDI, nSCS, ENABLE, VDS, IDRIVE, MODE, GAIN, CAL INHX, INLX) –0.3 5.75 V
Open drain output current range (nFAULT, SDO) 0 5 mA
Continuous high-side gate pin voltage (GHX) –2 VCP + 0.5 V
Pulsed 200 ns high-side gate pin voltage (GHX) –5 VCP + 0.5 V
High-side gate voltage with respect to SHX (GHX) –0.3 13.5 V
Continuous phase node pin voltage (SHX) –2 VM + 2 V
Pulsed 200 ns phase node pin voltage (SHX) –5 VM + 2 V
Continuous low-side gate pin voltage (GLX) –1 13.5 V
Pulsed 200 ns low-side gate pin voltage (GLX) –5 13.5 V
Gate pin source current (GHX, GLX) Internally limited A
Gate pin sink current (GHX, GLX) Internally limited A
Continuous shunt amplifier input pin voltage (SPX, SNX) –1 1 V
Pulsed 200 ns shunt amplifier input pin voltage (SPX, SNX) –2 2 V
Reference pin input voltage (VREF) –0.3 5.75 V
Shunt amplifier output pin voltage range (SOX) –0.3 VREF V
Shunt amplifier output pin current range (SOX) 0 5 mA
Ambient temperature, TA –40 125 °C
Junction temperature, TJ –40 150 °C
Storage temperature, Tstg –65 150 °C
(1) Stresses beyond those listed under Absolute Maximum Rating may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Condition. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
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