مدار مجتمع (آی سی) آی‌سی مدیریت توان (پی‌ام‌آی‌سی) درایور و کنترلر موتور

Product Attributes

Introduction

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. The chip's soft-switching technology can achieve ladder or sinusoidal current waveforms, further reducing phase electromagnetic noise. The on-chip + 5V LDO provides operational operation for both logic and analog circuitry. It also integrates three 90V halfbridge gate drivers, making it ideal for gate drive of high-speed power MOSFETs and IGBTs in three-phase motor applications. The PT2522 provides a way to change internal parameter settings by burning to optimize different motors and applications. The package of the PT2522 is LQFP32.

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 external NTC resistor)
• Stall protection function
• PWM or DC input speed control.
• FG speed output.

Applications

• Three-phase DC brushless motor
• High speed fan application
• Water pump application