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

48V, 85A Small Form-Factor Three-Phase Inverter Reference Design for Integrated Motor Drives