BD63621MUV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

BD63621MUV是一款电源额定电压36V、额定输出电流2.0A的低功耗双极PWM恒流驱动的驱动器。输入接口采用CLK-IN驱动方式，通过内置DAC，励磁模式可支持FULL STEP、HALF STEP（2种）、QUARTER STEP模式。在电流衰减方式中，可自由设置FAST DECAY/SLOW DECAY的比例，可使各种电机实现理想的控制状态。另外，电源也可以用1个系统进行驱动，使配套应用的设计更容易。

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 (2 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