ZHCSG57B March   2017  – December 2018 DRV8702D-Q1 , DRV8703D-Q1

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      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 SPI Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 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  Bridge Control
        1. 7.3.1.1 Logic Tables
      2. 7.3.2  MODE Pin
      3. 7.3.3  nFAULT Pin
      4. 7.3.4  Current Regulation
      5. 7.3.5  Amplifier Output (SO)
        1. 7.3.5.1 SO Sample and Hold Operation
      6. 7.3.6  PWM Motor Gate Drivers
        1. 7.3.6.1 Miller Charge (QGD)
      7. 7.3.7  IDRIVE Pin (DRV8702D-Q1 Only)
      8. 7.3.8  Dead Time
      9. 7.3.9  Propagation Delay
      10. 7.3.10 Overcurrent VDS Monitor
      11. 7.3.11 VDS Pin (DRV8702D-Q1 Only)
      12. 7.3.12 Charge Pump
      13. 7.3.13 Gate Drive Clamp
      14. 7.3.14 Protection Circuits
        1. 7.3.14.1 VM Undervoltage Lockout (UVLO2)
        2. 7.3.14.2 Logic Undervoltage (UVLO1)
        3. 7.3.14.3 VCP Undervoltage Lockout (CPUV)
        4. 7.3.14.4 Overcurrent Protection (OCP)
        5. 7.3.14.5 Gate Driver Fault (GDF)
        6. 7.3.14.6 Thermal Shutdown (TSD)
        7. 7.3.14.7 Watchdog Fault (WDFLT, DRV8703D-Q1 Only)
        8. 7.3.14.8 Reverse Supply Protection
      15. 7.3.15 Hardware Interface
        1. 7.3.15.1 IDRIVE (6-level input)
        2. 7.3.15.2 VDS (6-Level Input)
    4. 7.4 Device Functional Modes
    5. 7.5 Programming
      1. 7.5.1 SPI Communication
        1. 7.5.1.1 Serial Peripheral Interface (SPI)
        2. 7.5.1.2 SPI Format
    6. 7.6 Register Maps
      1. 7.6.1 DRV8703D-Q1 Memory Map
      2. 7.6.2 Status Registers
        1. 7.6.2.1 FAULT Status Register (address = 0x00h)
          1. Table 15. FAULT Status Field Descriptions
        2. 7.6.2.2 VDS and GDF Status Register Name (address = 0x01h)
          1. Table 16. VDS and GDF Status Field Descriptions
      3. 7.6.3 Control Registers
        1. 7.6.3.1 Main Control Register Name (address = 0x02h)
          1. Table 18. Main Control Field Descriptions
        2. 7.6.3.2 IDRIVE and WD Control Register Name (address = 0x03h)
          1. Table 19. IDRIVE and WD Field Descriptions
        3. 7.6.3.3 VDS Control Register Name (address = 0x04h)
          1. Table 21. VDS Control Field Descriptions
        4. 7.6.3.4 Config Control Register Name (address = 0x05h)
          1. Table 22. Config Control Field Descriptions
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 External FET Selection
        2. 8.2.2.2 IDRIVE Configuration
        3. 8.2.2.3 VDS Configuration
        4. 8.2.2.4 Current Chopping Configuration
      3. 8.2.3 Application Curves
  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 文档支持
      1. 11.1.1 相关文档
    2. 11.2 相关链接
    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)
  • RHB|32
散热焊盘机械数据 (封装 | 引脚)
订购信息

7.6.3.2 IDRIVE and WD Control Register Name (address = 0x03h)

IDRIVE and WD control is shown in Figure 50 and described in Table 19.

Return to Summary Table.

Read and write

Figure 50. IDRIVE and WD Register
7 6 5 4 3 2 1 0
TDEAD WD_EN WD_DLY IDRIVE
R/W-00b R/W-0b R/W-00b R/W-111b

Table 19. IDRIVE and WD Field Descriptions

Bit Field Type Default Description
7-6 TDEAD R/W 00b

Dead time

00b = 120 ns

01b = 240 ns

10b = 480 ns

11b = 960 ns
5 WD_EN R/W 0b

Enables or disables the watchdog time (disabled by default)

4-3 WD_DLY R/W 00b

Watchdog timeout delay (if WD_EN = 1)

00b = 10 ms

01b = 20 ms

10b = 50 ms

11b = 100 ms
2-0 IDRIVE R/W 111b

Sets the peak source current and peak sink current of the gate drive. Table 20 lists the bit settings.

Table 20. IDRIVE Bit Settings

Bit Value Source Current Sink Current
VVM = 5.5 V VVM = 13.5 V VVM = 5.5 V VVM = 13.5 V
000b High-side: 10 mA
Low-side: 10 mA		 High-side: 10 mA
Low-side: 10 mA		 High-side: 20 mA
Low-side: 20 mA		 High-side: 20 mA
Low-side: 20 mA
001b High-side: 20 mA
Low-side: 20 mA		 High-side: 20 mA
Low-side: 20 mA		 High-side: 40 mA
Low-side: 40 mA		 High-side: 40 mA
Low-side: 40 mA
010b High-side: 50 mA
Low-side: 40 mA		 High-side: 50 mA
Low-side: 45 mA		 High-side: 90 mA
Low-side: 85 mA		 High-side: 95 mA
Low-side: 95 mA
011b High-side: 70 mA
Low-side: 55 mA 		High-side: 70 mA
Low-side: 60 mA		 High-side: 120 mA
Low-side: 115 mA		 High-side: 130 mA
Low-side: 125 mA
100b High-side: 100 mA
Low-side: 75 mA 		High-side: 105 mA
Low-side: 90 mA		 High-side: 170 mA
Low-side: 160 mA		 High-side: 185 mA
Low-side: 180 mA
101b High-side: 145 mA
Low-side: 115 mA		 High-side: 155 mA
Low-side: 130 mA		 High-side: 250 mA
Low-side: 235 mA		 High-side: 265 mA
Low-side: 260 mA
110b High-side: 190 mA
Low-side: 145 mA		 High-side: 210 mA
Low-side: 180 mA		 High-side: 330 mA
Low-side: 300 mA		 High-side: 350 mA
Low-side: 350 mA
111b High-side: 240 mA
Low-side: 190 mA		 High-side: 260 mA
Low-side: 225 mA		 High-side: 420 mA
Low-side: 360 mA		 High-side: 440 mA
Low-side: 430 mA
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