Hi.
I see in the evaluation boards that they implement the 3ed current sense with external OPAMPs.
Why didn't the 3ed current sense was integrated into the DRV8303?
Thank you.
David.
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David,
DRV8303 is offshoot of DRV8301 device without integrated buck and also most of 3-phase motor control algorithms, 2-phase currents are sufficient.
I think these are couple of probable reasosn to use only two current sense amplifer in device to keep it cost optimised.
Best Regards
Milan
Hi David,
3 current sense is often used with sensorless FOC for improved high and low end performance.