JAJSN01 May   2024 DRV7308

ADVANCE INFORMATION  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  5. 4 Pin Configuration and Functions
  6. 5 Absolute Maximum Ratings
  7. 6 ESD Ratings
  8. 7 Recommended Operating Conditions
  9. 8 Thermal Information
  10. 9 Electrical Characteristics
  11. 10Timing Diagrams
  12. 11Typical Characteristics
  13. 12Detailed Description
    1. 12.1 Overview
    2. 12.2 Functional Block Diagram
    3. 12.3 Feature Description
      1. 12.3.1 Output Stage
      2. 12.3.2 Input Control Logic
      3. 12.3.3 ENABLE (EN) Pin Function
      4. 12.3.4 Temperature Sensor Output (VTEMP)
      5. 12.3.5 Brake Function
      6. 12.3.6 Slew Rate Control (SR)
      7. 12.3.7 Dead Time
      8. 12.3.8 Current Limit Functionaity (ILIMIT)
      9. 12.3.9 Pin Diagrams
        1. 12.3.9.1 Four-Level Input Pin
        2. 12.3.9.2 Open-Drain Pin
        3. 12.3.9.3 Logic-Level Input Pin (Internal Pulldown)
    4. 12.4 Protections
      1. 12.4.1 GVDD Undervoltage Lockout
      2. 12.4.2 Bootstrap Undervoltage Lockout
      3. 12.4.3 Current Limit Protection
      4. 12.4.4 GaNFET Overcurrent Protection
      5. 12.4.5 Thermal Shutdown (OTS)
  14. 13Layout
    1. 13.1 Layout Guidelines
    2. 13.2 Layout Example
  15. 14Revision History
  16. 15Mechanical, Packaging, and Orderable Information
    1. 15.1 Tape and Reel Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
  • REN|68
サーマルパッド・メカニカル・データ
発注情報

12.3 Feature Description

Table 12-2 lists the recommended values of the external components for the driver.

Table 12-1 DRV7308 External Components
COMPONENTS PIN1 PIN2 RECOMMENDED
CVM1 VM PGND X5R or X7R, 0.1µF, VM-rated capacitor
CVM2 VM PGND X5R or X7R, 0.1µF, VM-rated capacitor (optional)
CVM3 VM PGND ≥ 10µF, VM-rated capacitor
CGVDD1 GVDD PGND X5R or X7R, 0.1µF, GVDD-rated capacitor
CGVDD2 GVDD PGND ≥ 10µF, VM-rated capacitor
CBOOTA BOOTA OUTA X5R or X7R, 1µF to 220µF, GVDD-rated capacitor
CBOOTB BOOTB OUTB X5R or X7R, 1µF to 220µF, GVDD-rated capacitor
CBOOTC BOOTC OUTC X5R or X7R, 1µF to 220µF, GVDD-rated capacitor
RSR SR PGND Based on slew rate setting
RHV_nFAULT HV_nFAULT 3.3V/ 5.5V / GVDD 5.1kΩ, Pullup resistor
R1 ILIMIT 3.3V/ 5.5V / GVDD Based on required ILIMIT threshold
R2 ILIMIT PGND Based on required ILIMIT threshold
Note: TI recommends to connect pull up on HV_nFAULT even if not used.