BD63920MUV
高性能、高可靠性36V耐压 步进电机驱动器
BD63920MUV
高性能、高可靠性36V耐压 步进电机驱动器
BD63920MUV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。输入接口可从CLK-IN驱动方式、PARA-IN驱动方式中选择，通过内置DAC，励磁模式可适用FULL STEP（2种）、HALF STEP（3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。
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]
2
Iout Peak (Max.)[A]
2.5
Output On Resistance (Typ.)[Ω]
0.49
Step
to 1 / 16
Automotive class
No
Interface
CLK / PARA-IN
Operating Temperature (Min.)[°C]
-25
Operating Temperature (Max.)[°C]
85
Package Size [mm]
5x5 (t=1)
特点：
- Rated output current (DC) 2.0A
- Low ON resistance DMOS output
- CLK-IN and PARA-IN drive mode
- PWM constant current (other oscillation)
- Built-in spike noise cancel function
(external noise filter is unnecessary) - Full (two kinds)-, half (three kinds)-, quarter (two kinds)-, 1/8-, 1/16-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
