BD63521EFV
μ-step适用36V耐压 步进电机驱动器系列
BD63521EFV
μ-step适用36V耐压 步进电机驱动器系列
BD63521EFV是适用于1/16µ-step的步进电机驱动器。作为基本功能，是低功耗双极PWM恒流驱动器，额定电源为36V、额定输出电流(DC)为2.0A，接口为CLK-IN驱动型。通过内置DAC，励磁模式适用于Full step (2相励磁)、Half step (1-2相励磁)、Quarter step (2W1-2 相励磁)、Sixteenth step (4W1-2相励磁）模式，对于电流衰减方式，可自由设定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，因此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]
0.65
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]
9.7x6.4 (t=1)
特点：
- Single power supply input (rated voltage of 36V)
- Rated output current: (DC) 2.0A
- Low ON resistance DMOS output
- CLK-IN drive mode
- PWM constant current control (other oscillation)
- Built-in spike noise cancel function (external noise filter is unnecessary)
- Full step, Half step, Eighth step, Sixteenth step drive
- Timing free for changing step modes
- Current decay mode switching function (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
- Inverted mounting protection
- Microminiature, ultra-thin and high heat-radiation (exposed metal type) HTSSOP-B28 package
Reference Design / Application Evaluation Kit
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- Evaluation Board - BD63521EFV-EVK-001
This evaluation board is a board for driving the stepping motor with a ROHM's stepping motor driver BD63521EFV. Motor drive and driver The motor can be driven by VCC for power supply and 5V power supply for control signal. Drive / stop and excitation modes can be set with an external switch. The input interface adopts the CLK-IN drive system, and the excitation mode supports FULL STEP, HALF STEP, QUATER STEP, 1/8 STEP, and 1/16 STEP mode by the built-in DAC.
