Bảng mạch điều khiển động cơ bước A4988/DRV8825 cho máy in 3D
₫ 24.000
Sản phẩm Bảng mạch điều khiển động cơ bước A4988/DRV8825 cho máy in 3D đang được mở bán với mức giá siêu tốt khi mua online, giao hàng online trên toàn quốc với chi phí tiết kiệm nhất,0 đã được bán ra kể từ lúc chào bán lần cuối cùng.Trên đây là số liệu về sản phẩm chúng tôi thống kê và gửi đến bạn, hi vọng với những gợi ý ở trên giúp bạn mua sắm tốt hơn tại Pricespy Việt Nam
3d printer reprap a4988 stepper motor drive needle soldered to heat dissipation pc!
Introduction
A4988 is a complete microstep motor drive with built @ - @ in converters that are easy to operate. The product is available in full, semi, 1/4, 1/8 and 1/16 stepper mode operating double pole stepper motor with output drive performance of up to 35 v and ±2a. A4988 includes a fixed @ - @ off time current regulator, which works in slow or mixed decay mode. Converters are key to easy implementation in a4988. As long as in " Stepper " Input a pulse to drive the motor to microstep. No phase order table required, high frequency control lines or complex interface programming. A4988 interface is suitable for complex microprocessors that are not available or overloaded applications.
At microstep operation, chopper control in a4988 automatically selects current attenuation mode (slow or mixed). In hybrid attenuation mode, the device is initially set to rapidly decay during part of the fixed downtime and then slow down during the remainder of the downtime. Hybrid damping current control scheme can reduce the noise of audible motor, increase step accuracy and reduce power consumption. Provide internal synchronous rectifier control circuits to improve power consumption during pulse width modulation (pwm) operations. Internal circuit protection includes: overheat shutdown with lag, underpressure lock (uvlo) and cross current protection. No special electrical sorting is required.
A4988 use of surface mount qfn package (es), size 5 mm x 5 mm, nominally 0.90 mm overall package height, with an external heat dissipation board to enhance heat dissipation. The package is lead @ - @ free (suffix) – (t), using 100% tin plating lead frame.
Functions and advantages
Low rds) Outputs
Detection of automatic current attenuation mode/Choice
Hybrid and slow current attenuation mode
Synchronous rectifier for low power dissipation
Internal uvlo
Cross current protection
3. 3 and 5v compatible logic power supply
Overheat off circuit
Grounding short circuit protection
Loading short circuit protection
Five optional stepping modes: full, 1/2, 1/4, 1/8 and
Introduction
A4988 is a complete microstep motor drive with built @ - @ in converters that are easy to operate. The product is available in full, semi, 1/4, 1/8 and 1/16 stepper mode operating double pole stepper motor with output drive performance of up to 35 v and ±2a. A4988 includes a fixed @ - @ off time current regulator, which works in slow or mixed decay mode. Converters are key to easy implementation in a4988. As long as in " Stepper " Input a pulse to drive the motor to microstep. No phase order table required, high frequency control lines or complex interface programming. A4988 interface is suitable for complex microprocessors that are not available or overloaded applications.
At microstep operation, chopper control in a4988 automatically selects current attenuation mode (slow or mixed). In hybrid attenuation mode, the device is initially set to rapidly decay during part of the fixed downtime and then slow down during the remainder of the downtime. Hybrid damping current control scheme can reduce the noise of audible motor, increase step accuracy and reduce power consumption. Provide internal synchronous rectifier control circuits to improve power consumption during pulse width modulation (pwm) operations. Internal circuit protection includes: overheat shutdown with lag, underpressure lock (uvlo) and cross current protection. No special electrical sorting is required.
A4988 use of surface mount qfn package (es), size 5 mm x 5 mm, nominally 0.90 mm overall package height, with an external heat dissipation board to enhance heat dissipation. The package is lead @ - @ free (suffix) – (t), using 100% tin plating lead frame.
Functions and advantages
Low rds) Outputs
Detection of automatic current attenuation mode/Choice
Hybrid and slow current attenuation mode
Synchronous rectifier for low power dissipation
Internal uvlo
Cross current protection
3. 3 and 5v compatible logic power supply
Overheat off circuit
Grounding short circuit protection
Loading short circuit protection
Five optional stepping modes: full, 1/2, 1/4, 1/8 and