TIDUF82B August   2024  – May 2025 DRV8162 , INA241A , ISOM8710

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
    1. 1.1 Reference Design Overview
    2. 1.2 Key System Specifications
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
      1. 2.2.1 Hardware Design
        1. 2.2.1.1 Power Stage Gate Driver
          1. 2.2.1.1.1 Gate Driver
          2. 2.2.1.1.2 Protection Features
          3. 2.2.1.1.3 VGVDD Definition
          4. 2.2.1.1.4 Strap Functions
        2. 2.2.1.2 Power Stage FETs
          1. 2.2.1.2.1 VGS versus RDS(ON)
        3. 2.2.1.3 Phase Current and Voltage Sensing
          1. 2.2.1.3.1 Phase A and Phase B Current Sensing
          2. 2.2.1.3.2 Phase C Current Sensing
          3. 2.2.1.3.3 Voltage Sensing
        4. 2.2.1.4 Host Processor Interface
        5. 2.2.1.5 Gate Drive Shutdown Path
        6. 2.2.1.6 System Diagnostic Measurements
          1. 2.2.1.6.1 Temperature Measurement
        7. 2.2.1.7 System Power Supply
          1. 2.2.1.7.1 12V Rail
          2. 2.2.1.7.2 3.3V Rail
      2. 2.2.2 Software Design
    3. 2.3 Highlighted Products
      1. 2.3.1 DRV8162L
      2. 2.3.2 INA241A
      3. 2.3.3 AMC0106M05
      4. 2.3.4 TPSM861253
      5. 2.3.5 LMR38010
      6. 2.3.6 TMP6131
      7. 2.3.7 ISOM8710
  9. 3Hardware, Software Test Requirements and Test Results
    1. 3.1 Hardware Requirements
      1. 3.1.1 PCB Overview
      2. 3.1.2 Hardware Configuration
        1. 3.1.2.1 Prerequisites
        2. 3.1.2.2 Default Resistor and Jumper Configuration
        3. 3.1.2.3 Connector
          1. 3.1.2.3.1 Host Processor Interface
    2. 3.2 Test Setup
    3. 3.3 Test Results
      1. 3.3.1 Power Management
        1. 3.3.1.1 Power Up
        2. 3.3.1.2 Power Down
      2. 3.3.2 Gate Voltage and Phase Voltage
        1. 3.3.2.1 20 VDC
        2. 3.3.2.2 48 VDC
        3. 3.3.2.3 60 VDC
      3. 3.3.3 Digital PWM and Gate Voltage
      4. 3.3.4 Phase-Current Measurements
      5. 3.3.5 System Test Results
        1. 3.3.5.1 Thermal Analysis
  10. 4Design and Documentation Support
    1. 4.1 Design Files
      1. 4.1.1 Schematics
      2. 4.1.2 BOM
    2. 4.2 Tools and Software
    3. 4.3 Documentation Support
    4. 4.4 Support Resources
    5. 4.5 Trademarks
  11. 5About the Authors
  12. 6Revision History

6 Revision History

Changes from Revision A (November 2024) to Revision B (May 2025)

  • Added AMC0106M05 information in phase C current sense in Description .Go
  • Added AMC0106M05 and TPSM861253 in Resources .Go
  • Updated system block diagram with AMC0106M05, TPSM861253 and external shutdown.Go
  • Updated the system block diagram.Go
  • Added diagram of split power supply architecture of DRV8162L.Go
  • Added AMC0106M05 circuit description and updated circuit parameters following the latest data sheet.Go
  • Updated the high-side resistors of the voltage-sense dividers from 100kΩ to 110kΩ, so as to expand the maximum voltage sense range from 73.5V to 80.5V.Go
  • Updated the 12V to 3.3V scheme to include the TPSM861253 synchronous buck module.Go
  • Updated description on test software modification from SDK.Go
  • Added AMC0106M05 information in Section 2.2.1 .Go
  • Updated MCU interface signals for AMC0106M05 in phase C current sense.Go