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PT8215Q
Description
The PT8215 is a Three-Phase , sensorless FOC controlled DC Brushless Motor drive IC with built-in drive MOS. The chip is highly integrated with the components required for motor control, requiring fewer peripheral components, low noise, and low motor torque ripple. Built-in EEPROM, which can configure customer motor parameters, start and speed control modes. The speed control interface can select PWM, analog input, or I2C to adjust motor speed, and can output the motor speed in real time through FG pin or I2C interface. Speed control modes include constant speed, constant current and open loop mode. It has motor speed indication function, and protection modes include overcurrent, undervoltage, over temperature, stall and some other modes. The sleep current of the chip is 40uA.
Typical Applications
■ Floor Fan
■ Cooling Fan
Features
■ FOC mode to reduce motor noise and vibration
■ Constant speed, constant current or open loop control modes
■ Speed adjustment: PWM, analog voltage, I2C, CLOCK
■ I2C interface for motor control and status reading back
■ Static state supports initial position detection
■ Downwind and headwind start
■ Soft-On Soft-Off (SOSO)
■ Drive Current: 2A
■ Built-in EEPROM, which can configure motor parameters, start and speed control modes
■ Multiple speed curves which can be configured
■ Lock protection
■ Lost-phase protection
■ Overcurrent protection
■ Forward-Reverse Control with DIR Pin
■ Configurable motor speed indication or blocking indication with FG Pin
Package
QFN24
Datasheet
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