学习三相无感无刷(BLDC)电机的基础驱动程序和电路.应用实例为迈拓40G硬盘的主轴电机.改变输入电压可以改变转速.如应用自动控制,可以用pwm来控制输入电压来达到速度控制.如有闭环反馈,即可实现恒速运转-Learning without a sense of three-phase brushless (BLDC) motor driver and circuit basis. Application examples for the Maxtor 40G hard disk spindle