TMS320F280049C: How to measure BLDC motor current and voltage?

Niraj Mishra

Prodigy 100 points

Part Number: TMS320F280049C
Other Parts Discussed in Thread: C2000WARE

Hi community,

So I've been trying to drive BLDC motor lately.

my question is that how can we find current and voltage from it.

and other question is that how can I implement clarke and park transformation for it.

which have been used in FOC algorithm.

10 months ago

0 Yanming Luo 10 months ago

TI__Guru** 113180 points

Using current and voltage senor to convert the motor phase current and voltage to the low voltage signals for on-chip ADC. The current and voltage will be used for FOC algorithm. More introduction you may take a look at the links below. Or you can find more details for FOC algorithm in a text book of motor control.

C2000 MCUs - motor control | TI.com

0 Niraj Mishra 10 months ago in reply to Yanming Luo

Prodigy 100 points

Hi Yanming,

So I've been using DRV8320RS BLDC driver board.

In this Driver there is already current and voltage Pin configuration.

I want to know how to use that and get the data out from that Pin.

Thanks for your reply.

0 Yanming Luo 10 months ago in reply to Niraj Mishra

TI__Guru** 113180 points

As mentioned above. You can refer to the example labs in motor control SDK, and take look at the lab user's guide.

The Motor Control SDK software can be download as the link below.

C2000WARE-MOTORCONTROL-SDK: http://www.ti.com/tool/C2000WARE-MOTORCONTROL-SDK

The lab user's guide at the folder below.

C:\ti\c2000\C2000Ware_MotorControl_SDK_<version>\solutions\common\sensorless_foc\docs\labs

The example projects of InstaSPIN-FOC based LAUNCHXL-F280049C + BOOSTXL-DRV8320RS for low voltage motor at the folder below in motorControlSDK

C:\ti\c2000\C2000Ware_MotorControl_SDK_<version>\solutions\boostxl_drv8320rs\f28004x\ccs\sensorless_foc

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TMS320F280049C: How to measure BLDC motor current and voltage?