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Sensorless 120° series
Product Overview
With government continuously advocating energy conservation and emissions reduction in these years, more and more BLDC motors were applied in the fields with strict requirements on acoustic noise, reliability, efficiency and so on. For responding Chinese government's call on energy-saving and environmental protection, Fortior has developed a series of ICs for BLDC driver. For high efficiency application, Fortior launched sensorless 120° series. This series of product is effective in improving energy efficiency and can provide high efficient BLDC motor drive solutions for customers.
Product Application
The sensorless 120° series of product covers applications from low voltage DC5V to high voltage DC310V. This series of product can be widely applied to fields such as industry, consumption, computer, transportation, medical treatment, and communications. Typical applications include fans, cooling fans, pumps and electric toys.
Sensorless 120° series Features
  Hall sensorless   Auto-restart mode
  Locked-rotor protection   High integration, less external components
  Lock protection   Soft start mode
  Built-in thermal shutdown protection   Strong electromechanical compatibility
  Low power mode   Positive and negative rotation
  Built-in under voltage protection   Cross-protection
  FG&RD output   PWM speed control
  Over current protection  


PN Catalog
PN Catalog
PN Package Embeded
Driver Power Range Io
Output Signal Speed Control Typical Application
PD FG Analog Input PWM
FT300 TQFP48 No External Mos 3.7~28.0 1 High-voltage application
FT310 TQFP48 Yes External Mos 6.0~28.0 1 Household appliances
FT310N TQFP48 Yes External Mos 6.0~20.0 1 Electronic game
FT310S QFN32 Yes External Mos 6.0~28.0 1 Electronic game
FT320 QFN32 Yes Internal Mos 6.0~28.0 1.5 0.7 1 Cooling fan
FT3006 LQFP32 No External Mos 3.7~18.0 1 Pump
FT3106 QFN32 Yes External Mos 3.7~28.0 1 Pump, fan
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