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MCF8316A: Understanding Drive Current readings

Kamesh Durvasula
Prodigy 155 points
Part Number: MCF8316A

Hi Eric/Vishnu,

Any help on the below questions is appreciated.

  1. Is this formula correct? measured current on Phase A iA = (PHASE_CURRENT_A / 2^27) * Base_Current/8

  2. What is the value of base current.

  3. What are the units of the converted value

  4. Is the result a signed integer (negative values are possible if the motor is going backwards).

Thanks in advance,

Kamesh