BD63740FM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

BD63740FM是额定电源36V､额定输出电流4.0A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FULL STEP（2种）、HALF STEP（2种）、QUARTER STEP（2种）、1/8 STEP、1/16 STEP模式。电流衰减方式方面可任意设定SLOW/FAST 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 4.0A
• 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 STEP (2 types), HALF STEP (2 types), QUARTER STEP (2 types), 1/8 STEP, 1/16 STEP Functionality
• Freely Timing Excitation Mode Switch
• Current Decay Mode Switch (linearly variable SLOW/FAST 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)
• Protects Against Malfunction when Power Supply is Disconnected (Ghost Supply Prevention Function)
• Adjacent Pins Short Protection