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STK672-440AN-E: Unipolar 2-phase Stepper Motor Driver

Datasheet: 2-phase Stepper Motor Driver
Rev. 0 (841kB)
Product Overview
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The STK672-440AN-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 STK672-440AN-E supports application simplification and standardization by providing a built-in 4 phase distribution stepper 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 STK672-440AN-E has various protective function against over-current and over-heat. And small package type STK672-442AN-E without hole to attach a heat-sink is lined up.
Features   Benefits
     
  • Micro stepping controller built in
 
  • Easy to switch between full step, half step, 1/4 step, 1/8 step and 1/16 step with prevention of jumping phase
  • Protective function against over-current and over-heat built in
 
  • Superior in safety drive
  • Current detection resistors built in
 
  • Easy to design and reduce the mounting area
Applications   End Products
  • Computing & Peripherals
  • Industrial
 
  • Multi-Function Printer
  • Document Scanner
  • Security Camera
  • Vending Machine
Technical Documentation & Design Resources
Application Notes (1) Package Drawings (1)
Data Sheets (1)  
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
STK672-440AN-E Active, Not Rec
Pb-free
STK672-440AN-E SIP-19 127CF NA Tube 15 $4.6666
Market Leadtime (weeks) : 17 to 20
Case Outlines
127CF   
Application
Diagram - Block
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