motor-BLDC-driver-dat

FOC (Field Oriented Control) Explained

FOC is indeed a driving method (or algorithm) used by a Motor Controller to manage the current going into a BLDC motor. It is also professionally known as Vector Control.

How it Compares to Other Methods:

Driving Method Control Waveform Performance Noise Level
Trapezoidal (6-Step) Blocky "On/Off" steps Good for high speed, jerky at low speed Loud (High-pitched whine)
Sinusoidal Smooth Sine waves Smoother than Trapezoidal Quiet
FOC (Vector) Precise mathematical alignment Highest Torque & Efficiency Silent

common motor-BLDC-driver

mosfet and LDO-dat - 78xx-dat

  • OK622 == ?

CONN

version 1

version 2 == main version

common interface

  • CONN-XT-dat == Power input
  • CONN-XT-dat == Motor three phase == U V W
  • 4pin == 5V GND RX TX == speed control
  • 3pin == 3V3 AD GND == break-dat
  • 2pin ==
  • 5pin ==

ref