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MCF8316A: Higher speed loop accuracy

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Part Number: MCF8316A
Other Parts Discussed in Thread: DRV8311

Tool/software:

Hi,

Customer want to achieve 0.16%(10rpm error with 6000rpm) speed accuracy with our integrated FOC control motor driver, Do we have any MCF devices can achieve that?

The other parameter is:

Input voltage: 12-24V, Output voltage: 15V Output current:<1A, SPI or I2C communication, better with sensorless FOC algorithm.

If we don't have any MCF devices can achieved that, Could we use DRV8311 to achieve that speed accuracy? What is the main obstacle to achieve this speed accuracy?

By the way, Is the speed loop accuracy in the datasheet means the accuracy of actual rotation speed? 3% in MCF8316 for example.

Thank you,

Yishan Chen 


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