Sensorless BLDC motor control and BEMF sampling …
The current in the clamping diode should not exceed 5mA and should typically be around 2mA. For a high voltage (400V) DC bus, 200k resistors are to be used. For safety and power dissi-pation, two 100k resistors in serial are implemented on each phase. Resistors implemented on the starter kit board are two 82k which is suitable both for the 24V
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