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FT300
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Product Features
  Sensorless mode   Auto-restart mode
  Locked-rotor protection   High integration, less external components
  PWM speed control   Soft start mode
  Built-in over-heat protection   Strong electromechanical compatibility
  Low power mode   Positive and negative rotation
  Built-in under voltage protection   Cross-protection
  FG and RD output   Over current protection

 

Application Specification
FT300 is a Three-Phase sensorless brushless DC motor drive chip which can commutate with external circuit for PWM control. The chip allows the removal of rotor position sensors such as Hall sensors, and can simplify the motor structure. FT300 is effective in reducing the cost and improve the reliability of the motor system. It has robust starting capability. The parameter for adjusting the motor starting is realized by adjusting a few of external resistors. Its unique control algorithms can also keep the motor in high efficiency running. The chip has can be driven in the voltage range DV3.7V to DV28V, can stand high temperature environment, and is good in reliability, low power consumption, MOSFET and so on. 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
      
FT300 is designed according to strict industrial standards. The chip is produced by advanced DMOS processing, it can meet many industrial and commercial application needs, and is especially suited for the applications under severe environment conditions, and can also stand the power voltage range from DC36V to DC310V. Currently, FT300 is widely used in many areas with strict requirements (including the automotive, industrial, telecommunication and office equipment ), such as electric vehicles, industrial fans, electric tools, household appliances, message devices, printers and applications of various kinds of cooling fan.
 
 

 

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