PT2522 Overview
The PT2522 is a three-phase, sensor-less brushless DC motor control driver chip. The three-phase control is based on a square /trapezoidal wave control method that detects the zero-crossing of the motor back electromotive force (BEMF). It has a stable control and is not be affected by motor easily differences.
PT2522 Key Features
- Sensor-less three-phase brushless DC motor control driver chip
- Integrated three 90V half-bridge gate drivers
- Driver pull-out/inrush current: 1200mA/2000mA
- Built-in +5V LDO, 5V ~ 24V power supply
- OTP burning motor control parameters
- Set OTP parameters through I2C
- Current limit and overvoltage protection
- Temperature protection function (using
- Stall protection function
- PWM or DC input speed control