[SOLVED] L298 Rs(current sensing resister) value calculation

Ranbeer Singh · Sep 16, 2015

I want to run a 12v 3A BLDC motor with L298 chip. I am not understanding what means of Rs and How to calculate it's value.

FvM · Sep 16, 2015

Rs has no meaning for L298 itself. It will be used in constant current control, e.g. in combination with L297. Read the datasheet.

The Rs resistance values value has two implications:
- power dissipation I²Rs
- suitable input voltage range of the current comparator in L297 or similar circuit

Ranbeer Singh · Sep 16, 2015

how calculate it. I have a 12v 3a bldc motor.

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Datasheet says 'Rr and Rsense depend from the load current'

[SOLVED] L298 Rs(current sensing resister) value calculation

Ranbeer Singh

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[SOLVED] L298 Rs(current sensing resister) value calculation

Ranbeer Singh

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Ranbeer Singh

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