SLA7078MR是日本Sanken公司推出的一款两相单极步进电机专用驱动器,具有功耗低、散热快、驱动能力强等优点。采用SLA7078MR和通用MCU实现二相单极步进电机转向、复位、16微步距驱动等功能。主要介绍了SLA7078MR的主要特点、引脚功能、工作原理以及在绕线机中的应用
详细资料：
SLA7078MR型号
SANKEN品牌下的型号SLA7078MR
SLA7078MR 批号 06+ROHS
SLA7078MR 数量 大量现货
SLA7078MR 封装 23-pin ZIP
SLA7078MR包装 18pcs/tube
Features
Power supply voltages, VBB : 46 V(max.), 10 to 44 V normal operating range
Logic supply voltages, VDD: 3.0 to 5.5 V
Maximum output currents: 1 A, 1.5 A, 2 A, 3 A
Built-in sequencer
Simplified clock-in stepping control
Microstepping at full-, half-, quarter-, eighth-, and sixteenth-steps
Built-in sense resistor, RSInt
All variants are pin-compatible for enhanced design flexibility
ZIP type 23-pin molded package (SLA package)
Self-excitation PWM current control with fixed off-time; off-time adjusted
automatically by step reference current ratio (3 levels)
Built-in synchronous rectifying circuit reduces losses at PWM off
Synchronous PWM chopping function prevents motor noise in Hold mode
Sleep mode for reducing the IC input current in stand-by state
Built-in protection circuitry against motor coil opens/shorts option available
