Part Number: MCT8329EVM
Hello,
Our custom solution utilize a 560KV, 14-pole, 12-slot outrunner motor for an automotive application. It is a non-continuous duty application where the system will run at intervals for no more than 30 seconds. The power rail can supply 12V @ 30A (13.8V when charging) and the motor drive can see a significant amount of load at the motor shaft right from the start after some mechanical reduction.
We have been running some tests using the Texas Instruments MCT8329EVM and have been facing some challenges tunning the development board for this application due to the load. Got to a point where we got the system running but creating at the same time huge amounts of heat on the motor coils just after 15-20 seconds runs. The motor has been reaching temperatures of up to 220°F. We ran some comparative tests using a VESC drive in BLDC (trapezoidal) mode and got what seems to be a better performance out of it.
In this test, we tried to run both drives at almost the same current and voltage supply values for the same amount of time. In each one of these tests, seems the VESC runs the motor 30°F cooler and advance the linear arm for 15 to 17mm longer in the same amount of time. I am absolutely sure we can optimize the motion parameters in the TI solution to surpass the VESC drive, but I have a limited amount of time to do so. I will appreciate if you can point us in the right direction. We can run more tests and/or give you any information you require so you can help us find the appropriate solution.
Thanks.
20260303_15.21 - Current Best working parameters.txt
