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micro selection help

Andrea G.
Intellectual 370 points
Other Parts Discussed in Thread: DRV8312, INSTASPIN-BLDC

Hello,

I'm in the initial phase of a new project and I would like your suggestion to select the correct micro.

The application is ebike type motor driver and the main requirements are:

1/ BLDC sensored (3 hall effect) and sensorless operation

2/ input control monitoring (4 buttons, 1 encoder signal, 1 PWM input)

3/ USB and bluetooth communication

4/ field upgradable sw

5/ low cost

low power is also impprtant as this is battery operated, however the battery is quite large so we can compromise a little on this requirement....

Thanks,

 Andrea

 

  • 0
    TI__Guru** 119470 points

    I would recommend

    1. Stellaris LM3S8xx family.  This will be released with a DRV8312 kit in December showcasing Sensorless InstaSPIN-BLDC.  You can do sensored as well

    2. Piccolo. There is a DRV8312-C2-KIT that uses F28035 MCU and has Sensored BLDC, Sensorless BLDC, InstaSPIN-BLDC, and sensorless FOC examples.  There are lower cost F2802x versions that are a better cost fit for standard e-Bike