BD63888MUV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

BD63888MUV是额定电源36V、额定输出电流1.2A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FULL STEP、HALFSTEP(2种)、QUATER STEP模式，是可驱动2个双极型步进电机的电机驱动器。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

• Two bipolar stepping motors can be driven
• Rated Output Current 1.2 A
• Low ON Resistance DMOS Output
• CLK-IN Drive Mode Correspondence
• PWM Constant Current Control (the other excitation method)
• Built-in Spike Noise Blanking Function (external noise filter is unnecessary)
• Full-, Half (two kinds)-, Quarter-step Functionality
• Free Timing Excitation Mode Switch
• Decay Mode Switch Function
• Normal Rotation and 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 Lockout Circuit (UVLO)
• Over Voltage Lockout Circuit (OVLO)
• Ghost Supply Prevention (protects against malfunction when power supply is disconnected)