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Product Features
  Sensorless mode   Auto-restart mode
  Locked-rotor protection   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 output   Cross-protection


Application Specification
FT310S is a small package Three-Phase sensorless brushless DC motor driver chip, and  is dedicated to low voltage and high current motor. FT310S allows the removal of rotor position sensors such as Hall Sensors, and can simplify the motor structure. This can save cost and improve the reliability of the motor system. As the number of connection lines between the motor and drive is reduced, the assembling is simplified and testing of the motor system is straightforward. FT310S 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, and can stand a wide of DC voltage from 6V to 28V, high temperature environment, and is long life, low power consumption, adaptive inverse voltage detection, integration, MOSFET front drive, simple external circuit 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
FT310S 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, FT 310S 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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