Freescale公司的TWR-MC-LV3PH是低压三相马达控制模块,提供三相桥式逆变器(6个MOSFET),具有过流与欠压保护的三相MOSFET栅极驱动器以及三相和DC总线,输入电源电压12-24VDC,可扩展至50V,输出电流高达8A,提供多种算法来控制三相永磁同步马达(PMSM)和无刷直流(BLDC)马达,适合于Tower System设计.本文介绍了TWR-MC-LV3PH低压三相马达控制模块主要特性, 方框图和电路图.
The 3‐phase Low Voltage Motor Control board (TWR‐MC‐LV3PH) is a peripheral Tower System Module with one of the available MCU tower module, accommodating a selected microcontroller, it provides a ready‐made, software‐development platform for one‐third horsepower off‐line motors. Feedback signals are provided that allow a variety of algorithms to control 3‐phase PMSM and BLDC motors.
Looking to add rotational or linear motion to your applications? Add three-phase Brushless DC (BLDC) and Permanent Magnet Synchronous Motor (PMSM) motor control capabilities to your Tower System designs with the TWR-MC-LV3PH Low-Voltage 3-Phase Motor Control module. This peripheral module effectively turns a Tower System development tool into a complete motor control reference design kit that includes a BLDC motor. As is standard with all Tower System modules, this peripheral module is interchangeable across the development platform and can be used with a variety of existing controller modules including: TWR-K60N512, TWR-56F8257, TWR-K40X256 Torque your designs and speed your time to market with this Tower System module and BLDC motor.

TWR-MC-LV3PH低压三相马达控制模块主要特性:
Power supply voltage input 12‐24VDC, extended up to 50V
Output current up to 8 Amps
Power supply reverse polarity protection circuitry
3‐phase bridge inverter (6‐MOSFET’s)
3‐phase MOSFET gate driver with over current and under voltage protection
3‐phase and d.c. bus‐current‐sensing shunts
DC bus‐voltage sensing
3‐phase back‐EMF voltage sensing circuitry
Low‐voltage on‐board power supplies
Encoder/Hall sensor sensing circuitry
Motor power and signal connectors
User LED, power‐on LED, 6 PWM LED diodes

TWR-MC-LV3PH低压三相马达控制套件包括:
TWR-MC-LV3PH module
BLDC Motor
Power Supply
Quick Start Guide document

图1.TWR‐MC‐LV3PH方框图

图2.TWR‐MC‐LV3PH模块外形图

图3.TWR‐MC‐LV3PH电路图(1)

图4.TWR‐MC‐LV3PH电路图(2)

图5.TWR‐MC‐LV3PH电路图(3)

图6.TWR‐MC‐LV3PH电路图(4)