Unipolar 2-Phase Stepper Motor Driver

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Overview

The STK672-640AN-E is a hybrid IC for use a unipolar, 2-phase stepper motor driver with PWM current control. It includes a built-in controller and is based on a unipolar constant-current PWM system. The STK672-640AN-E supports application simplification and standardization by providing a built-in 4 phase distribution stepping motor controller. It supports five excitation methods: 2 phase and 1-2 phase excitations, and can provide control of the basic stepping angle of the stepper motor divided into 1/2 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 STK672-640AN-E has protective function against over-current and over-heat. And a small package STK672-642AN-E without hole to attach a heat-sink is lined up.

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

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Product

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CAD Models

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

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ON Target

VM Min (V)

VM Max (V)

VCC Min (V)

VCC Max (V)

IO Max (A)

IO Peak Max (A)

Step Resolution

Control Type

Current Sense

Fault Detection

Pricing ($/Unit)

STK672-640AN-E

Last Shipments

CAD Model

Pb

A

H

P

SIP-19

NA

0

TUBE

15

N

10

52

4.75

5.25

4

20

1/2

Clock

Fully Integrated

Over-Current

Price N/A

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