Monday, November 23, 2015

Circuit Schematic Unipolar Stepper Motor Driver using SLA7070MPR IC

Eltronicschool. - There are many circuit schematic designed for motor stepper driver like using transistor, MOSFET, and also IC. In here we will show you one IC that used to drive stepper motor SLA7070MPR IC from Sanken. And here also we will give you specific circuit schematic using this IC for unipolar stepper motor driver like in Figure 1 below. (You also can read: Circuit Schematic 12V LDO Solar Charge Controller using MOSFET)

Circuit schematic

Figure 1. Circuit Schematic Unipolar Stepper Motor Driver using SLA7070MPR IC

Component Parts
  1. Resistors
  2. Variable Resistor
  3. No-polar capacitors
  4. Polar capacitor
  5. SLA7070MPR IC
  6.  Micro Switch SW1 (3 switch)
  7. Stepper Motor
Description

Circuit schematic like in Figure 1 above is Circuit Schematic Unipolar Stepper Motor Driver using SLA7070MPR IC. According Electronics-lab site describe that This tiny Unipolar stepper motor driver has been designed around SLA7078MPR IC from Sanken, It is unipolar stepper Motor driver can handle current up to 3 Amps, micro-stepping up to 1/16 steps. On-board Jumpers to set the Micro-stepping, Preset (Potentiometer) to set the current.

The SLA7070MPR series motor driver ICs features unipolar drivers. The clock-in type input interface allows simplified control logic, and options for built-in sense current detection and load circuit short or open protection (patent pending) provide lower loss, and lower thermal resistance.

The built-in excitation distribution circuit (sequencer) allows motor control using only the CLOCK signal for simple operations (rotate/stop), with motor speed control by frequency input into CLOCK pin. This eliminates logic signal lines required for conventional phase-input methods, and reduces demand on heavily-used CPUs.

Unipolar stepper board is high efficient stepper driver for Unipolar stepper motor been design for various application like robotics, control routers, lathes, mills, PCB drillers and engravers.

For more information about this Circuit Schematic Unipolar Stepper Motor Driver using SLA7070MPR IC like switch configuration and PCB design, you can read using link [here].


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