BD63720AEFV数据手册集成电路（IC）的电机驱动器控制器规格书PDF

描述 Description

BD63720AEFV是额定电源36V､额定输出电流2.0A的低功耗双极PWM恒流驱动器。输入接口采用CLK-IN驱动方式，通过内置DAC，励磁模式可适用于FULL STEP､HALF STEP(2种)､QUATER STEP模式。电流衰减方式方面可任意设定FAST DECAY/SLOW DECAY的比率，可对所有电机实现很好的控制状态。另外，也可使用一个系统电源进行驱动，有助于提高整机设计的便利性。

特性 Features

· Rated output current(DC)2.0A
· Low ON resistance DMOS output
· CLK-IN drive mode
· PWM constant current (other oscillation)
· Built-in spike noise cancel function (external noise filter is unnecessary)
· Full-, half (two kinds)-, quarter-step functionality
· Freely timing excitation mode switch
· Current decay mode switch (linearly variable FAST/SLOW DECAY ratio)
· Normal rotation & reverse rotation switching function
· Power save function
· Built-in logic input pull-down resistor
· Power-on reset function
· Thermal shutdown circuit (TSD)
· Over-current protection circuit(OCP)
· Under voltage lock out circuit (UVLO)
· Over voltage lock out circuit (OVLO)
· Ghost Supply Prevention (protects against malfunction when power supply is disconnected)
· Adjacent pins short protection
· Microminiature, ultra-thin and high heat-radiation (exposed metal type) package