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LC898240-WH データシート(PDF) 1 Page - ON Semiconductor

部品番号 LC898240-WH
部品情報  High Efficient Stepper Motor Controller
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メーカー  ONSEMI [ON Semiconductor]
ホームページ  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2016
1
Publication Order Number:
April 2016- Rev. P1
LC898240/D
LC898240
Advance Information
High Efficient
Stepper Motor Controller
Overview
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
Unipolar and bipolar motor applicable
Supported excitation mode:
o
Half step
o
Quarter step
o
1/8 step
o
1/16 step
o
Full step (high efficient function not applicable)
SPI interface for the motor control and setting
Interface for the driver control
Non-volatile memory (E2PROM)
o
Setting of the controller
o
Acceleration curve: 9 curves, 440 steps for each
Recommended Stepper Motor Driver
LV8726TA
LV8736V
LV8740V
STK672-6XXX
STK672-4XXX
Typical Applications
Multi-Function Printer
Consumer
www.onsemi.com
PACKAGE PICTURE
SQFP48
0.5mm pitch
MARKING DIAGRAM
ORDERING INFORMATION
Ordering Code:
LC898240-2H (tray)
LC898240-WH (reel)
Package
SQFP48
(Pb-Free / Halogen Free)
Shipping (Qty / packing)
1250 / Tray
1000 / Tape & Reel
1
898240
13T
YMMXXX
Y: Year
MM: Month
XXX: ID
This document contains information on a new product. Specifications and information
herein are subject to change without notice.
For information on tape and reel specifications, including part
orientation and tape sizes, please refer to our Tape and Reel
Packaging Specifications Brochure, BRD8011/D.
http://www.onsemi.com/pub_link/Collateral/BRD8011-D.PDF


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