BD68888AEKV
36V耐压 2ch 步进电机驱动器
BD68888AEKV
BD68888AEKV
36V耐压 2ch 步进电机驱动器
BD63888AEKV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。
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]
1.5
Output On Resistance (Typ.)[Ω]
1
Step
to 1 / 4
MIX DECAY Function
Yes
Single power supply input
Yes
Automotive class
No
Interface
PARA-IN
Operating Temperature (Min.)[°C]
-25
Operating Temperature (Max.)[°C]
85
Package Size [mm]
9x9 (t=1)
特点：
- Two bipolar stepping motors can be driven
- Rated Output Current 1.5 A
- Low ON Resistance DMOS Output
- PARA-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 correspondence
- Power Save Function
- Built-in Logic Input Pull-down Resistor
- 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)
