BD63740FM
高性能、高可靠性36V耐压 步进电机驱动器
BD63740FM
高性能、高可靠性36V耐压 步进电机驱动器
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。
主要规格
特性：
Power Supply Voltage (Max.) [V]
28
Power Supply Voltage (Min.) [V]
8
Vcc (Max.)[V]
36
Iout (Max.)[A]
4
Iout Peak (Max.)[A]
4.5
Output On Resistance (Typ.)[Ω]
0.28
Step
to 1 / 16
MIX DECAY Function
Yes
Single power supply input
Yes
Automotive class
No
Interface
CLK-IN
Operating Temperature (Min.)[°C]
-25
Operating Temperature (Max.)[°C]
85
Package Size [mm]
18.5x9.9 (t=2.4)
特点：
- 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
