启臣微CR启达CRM2465 Stepping Motor Driver
WPM恒流型CRM2465步进电机驱动IC芯片替换TB6608
描述
CRM2465是一种PWM恒流类型。步进电机驱动程序设计用于正弦输入的步进电机微步控制。 CRM2465为双极步进电机提供了2相、1-2相、w1 -2相、2W1-2相等多种激励方式。CRM2465能够只使用时钟信号向前和向后驱动两相双极步进电机。
应用程序
数码相机系统
可互换的镜头
特征
电机电源电压范围:
- 控制(VCC):2.5V至5.5V
- 电机(VM):2.5V至16V
输出电流:IOUT≤0.8A(最大值)
输出导通电阻:Ron =1.5Ω(上限和下限)
较低的总@VM = 7 V)
解码器,用于实现微步控制
时钟信号
可选择的相位激励模式(2,1-2,W1-2
和2W1-2)
输入端的内部下拉电阻:200KΩ(典型值)
输出监视引脚(MO)
热关断(TSD)保护
欠压锁定(UVLO)保护
小型表面贴装封装(TSSOP-20
173mil,0.65 mm引脚间距)
DESCRIPTION
The CRM2465 is a PWM constant-current type
stepping motor driver designed for sinusoidal-input
micro-step control of stepping motors.
The CRM2465 provides several excitation modes for
bipolar stepping motor, such as 2-phase, 1-2-phase,
W1-2-phase and 2W1-2 phase. The CRM2465 is
capable of forward and reverse driving of a 2-
phase bipolar stepping motor using only a clock
signal.
APPLICATIONS
Digital camera system
Interchangeable Lens
FEATURES
Range of motor power supply voltage:
- Control (VCC): 2.5V to 5.5V
- Motor (VM) : 2.5V to 16V
Output current: I OUT ≤ 0.8 A (max)
Output ON-resistance: Ron = 1.5Ω (upper and
lower total @VM = 7 V)
Decoder that enables microstep control with the
clock signal
Selectable phase excitation modes (2, 1-2, W1-2
and 2W1-2)
Internal pull-down resistors on inputs: 200 KΩ (typ.)
Output monitor pin (MO)
Thermal shutdown (TSD) protection
Under voltage lock out (UVLO) protection
Small surface-mount package (TSSOP-20
173mil, 0.65 mm lead pitch)
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