SLVUCL3 December   2022

 

  1.   Abstract
  2.   Trademarks
  3. 1Cautions and Warnings
  4. 2Introduction
  5. 3Quick Start Guide
  6. 4Hardware and Software Overview
    1. 4.1 Hardware Connections Overview – DRV8317HEVM + LAUNCHXL-F280049C
    2. 4.2 Connection Details
    3. 4.3 LED Lights
    4. 4.4 DRV8317HEVM Configurability – Jumpers and Resistors
      1. 4.4.1 DRV8317H Compatibility
      2. 4.4.2 DRV8317S Compatibility
      3. 4.4.3 MCU Power Options
      4. 4.4.4 Interfacing DRV8317HEVM and LAUNCHXL-F280049C LaunchPad
  7. 5Hardware Setup
  8. 6Firmware and GUI Application
    1. 6.1 C2000 InstaSPIN Universal GUI
    2. 6.2 Motor Identification
    3. 6.3 Sensorless-FOC Commutation
    4. 6.4 Torque Control, Speed Control, and Advanced Modulation Techniques
    5. 6.5 SPI Communication (DRV8317S only)
  9. 7Schematics
    1. 7.1 Main Supply
    2. 7.2 DRV8317H/S
    3. 7.3 3.3V Buck Regulator and VREF
    4. 7.4 26
    5. 7.5 LaunchPad Connections
    6. 7.6 Connectors & Interface
    7. 7.7 Status LEDs, Voltage Sense, and Protection
  10. 8Revision History

4.4.3 MCU Power Options

The DRV8317HEVM has several options for powering the LAUNCHXL-F280049C or an external MCU. Table 4-4 provides a description of the various MCU power options.

Table 4-4 MCU power options

LAUNCHXL-F280049C connections

DRV8317HEVM connections

Result

JP1, JP2, and JP3 are populated

R13 and R7 are populated

F280049C MCU is powered both from the USB of the LaunchPad and the 3V3 rail of the EVM’s buck regulator.

JP1, JP2, and JP3 are populated

R13 is populated, R7 is not populated, no external 3V3 supplied to EVM

MCU is powered from the USB of the LaunchPad, and the LaunchPad will supply 3V3 to the EVM.

JP1, JP2, and JP3 are populated

R13 is populated, R7 is not populated, external 3V3 supplied to EVM through the 3V3 test point

MCU is powered both from the USB of the LaunchPad and from the external 3V3 supplied to the EVM

JP1, JP2, and JP3 are populated

R13 is not populated

MCU is powered from USB power supply

JP3 is populated, JP1 and JP2 are not populated

R13 and R7 are populated

MCU is powered completely from the 3V3 of the buck of the EVM

JP3 is populated, JP1 and JP2 are not populated

R13 is populated, R7 is not populated, external 3V3 supplied to EVM through the 3V3 test point

MCU is powered completely from the external 3V3 supplied to the EVM