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Product Features
  Sensorless mode   Over current protection
  Locked-rotor protection   Automatic restart mode
  PWM speed control   High integration, less external components
  Built-in over-heat protection   Soft start mode
  Low power standby mode   Strong electromechanical compatibility
  Built-in under voltage protection   Positive and negative rotation
  FG and RD output   Cross-protection


Application Specification
FT320 is a Three-Phase sensorless Brushless DC motor driver for low power motor which uses 120° square wave-driven mode. Its internal power module can simplify the eternal circuit significantly, and only a few of resistors are needed to form the Three- Phase BLDC motor driving system.  FT320 has robust starting capability. The parameter for optimize the motor starting is realized by adjusting a few of external resistors. Its unique control algorithms can keep the motor in high efficiency running, stand a wide of DC voltage from 6V to 28V, and can withstand a maximum load current of 700mA. It can operate in high temperature environment, and is good in reliability, and high in efficiency. The major functions of the chip include soft-start, speed control, reverse, braking, locked-rotor protection, overheat protection, over current, under voltage protection, cross-protection and so on.
     Application Features
FT320 is designed according to strict industrial standards. The chip is produced by advanced LDMOS technological processes, and can meet many kinds of industrial and commercial application requirements. It is especially suited for the applications under severe environment conditions, and can also stand the power voltage range from DC6V to DC28V. Currently, FT320 is widely used in many domestic electronic products, such as small household appliances, electronic toys, outdoor advertising boxes, massage equipment, printer and cooling fan.




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