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BOOSTXL-DRV8320RS: Current Sensors Connection (to Launchpad 280049C) Discrepancies in Schematic and User's Guide

Amit Mathukiya
Intellectual 540 points
Part Number: BOOSTXL-DRV8320RS
Other Parts Discussed in Thread: LAUNCHXL-F280049C

Hi,

I am working with BOOSTXL-DRV8320RS and LAUNCHXL-F280049C. I don't know if this has been pointed out earlier or not but I found a discrepancy in the connections of the current sensors from DRV8320RS to Launchpad between schematic file and User's Guide of DRV8320RS. This confusion consumed lots of time in troubleshooting. 

In the BOOSTERPACK -->LAUNCHPAD section of the schematic:-

  • Phase C, B, and A current sensors are connected on the pin 27, 28, and 29 of the J3 connector respectively.

In the User's Guide Document:-

  • In Table 3, J3 Pin connections show a different configuration
  • Phase A, B, and C current sensors are connected on the pin 27, 28, and 29 of J3 connector respectively.

The question is which connection configuration is compatible with the software from MotorControl SDK?

Best,

Amit