ZHCSI91B November   2017  – July 2018 DRV8304

UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA.  

1. 1 特性
2. 2 應用
3. 3 說明
   1.     簡化原理圖
4. 4 修訂歷史記錄
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器件和文檔支持
    1. 11.1 器件支持
       1. 11.1.1 器件命名規則
    2. 11.2 文檔支持
       1. 11.2.1 相關文檔
    3. 11.3 接收文檔更新通知
    4. 11.4 社區資源
    5. 11.5 商標
    6. 11.6 靜電放電警告
    7. 11.7 術語表
12. 12機械、封裝和可訂購信息