Unipolar 2-phase Stepper Motor Driver

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Overview

The STK672-442BN-E is a hybrid IC for use a unipolar, 2-phase stepper motor driver with PWM current control. It includes a built-in microstepping controller and is based on a unipolar constant-current PWM system. The STK672-442BN-E supports application simplification and standardization by providing a built-in 4 phase distribution stepping motor controller. It supports five excitation methods: 2 phase, 1-2 phase, W1-2 phase, 2W1-2 phase, and 4W1-2 phase excitations, and can provide control of the basic stepping angle of the stepper motor divided into 1/16 step units. It also allows the motor speed to be controlled with only a clock signal. The use of this hybrid IC allows designers to implement systems that provide high motor torques, low vibration levels, low noise, fast response, and high-efficiency drive. In addition the STK672-442BN-E has various protective function against over-current, over-heat, and motor terminal open. and STK672-440BN-E with hole to attach a heat-sink is lined up.

  • Computing & Peripherals
  • Industrial
  • Multi-Function Printer
  • Document Scanner
  • Security Camera
  • Vending Machine
  • Micro stepping controller built in
  • Protective function against over-current, over-heat, and motor terminal open built in
  • Current detection resistors built in

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STK672-442BN-E

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Pb

A

H

P

SIP-19

NA

0

TUBE

20

N

10

50

4.75

5.25

3.5

20

1/16

Clock

Fully Integrated

Over-Current

Price N/A

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