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LC898240: High Efficient Stepper Motor Controller

Datasheet: High Efficient Stepper Motor Controller
Rev. P1 (436kB)
Product Overview
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» Product Change Notification
The LC898240 is a current controller IC for a stepper motor, co-working with a conventional driver. It provides additional functions to a stepper motor control system. The drive current of a motor coil is adopted for the motor load, so that minimize the waste of power. By this current control, the stepper motor moves smoothly. And, it gives higher efficiency power consumption, lower acoustic noise, lower vibration and lower heat generation.
The LC898240 also provides speed acceleration profile control function and step-out detection/prevention. These functions can be configured by the registers through an SPI serial port interface flexibly. The preset parameters and configuration can be stored to the companion non-volatile memory.
The LC898240 consists of the monitor inputs from motor terminal, serial port inter face, the step control signal inputs from a microprocessor and the outputs to a stepper motor driver. The topology of a microprocessor, a stepper motor driver and LC898240, can be arranged to match various drivers and system architecture. Thus, it can be used as an interface converter between a microprocessor and a driver with the advanced control functions.
Features   Benefits
     
  • Support unipolar and bipolar motor
 
  • It is possible to use various motors
  • Support excitation mode : Full step, Half step, 1/4 step, 1/8 step, 1/16 step
 
  • Various step adjustment available
  • Built-in smooth current control
 
  • Higher efficiency power consumption, lower vibration and lower heat generation
  • Motor drive is possible by the terminal control and SPI control
 
  • It can be used in various drivers and system architectures
  • Built-in acceleration control with nine types: 440 step x 9
 
  • Easy motor control by SPI
Applications   End Products
  • Industrial
 
  • Office Printer/copier
Availability & Samples
Specifications
Application Diagram
Intaractive Block Diagram
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
LC898240-2H Active
Pb-free
Halide free
LC898240 SPQFP-48 / SQFP-48 131AJ 1 260 Tray JEDEC 1250 $3.0785
Market Leadtime (weeks) : 2 to 4
ON Semiconductor   (2020-09-02 00:00) : 10,000

Product
Description
Pricing ($/Unit)
Compliance
Status
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
Package Type
LC898240-2H  
 $3.0785 
Pb
H
 Active   
3
3.6
3
5.5
1
1/16
1/2
1/4
1/8
Clock
Serial
Lock
SPQFP-48 / SQFP-48
Case Outlines
131AJ   
LC898240: High Efficient Stepper Motor Controller
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画期的!従来のステッピングモータが 高効率、低振動、低騒音で駆動可能 - 「 高効率ステッピングモータコントローラ 」
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