1 •Stepping Motor OA application Confidential Proprietary

High Energy Efficient Stepping Motor Solution

2 • Stepping Motor OA application Confidential Proprietary

Motor Driver Applications

ATM Machine/Cash Register

Projector

Camera

Door Lock System

White Goods

Printer

Fax

Vending Machine

Security Camera

Sawing Machine

AutomationHot water

Supply System

Gas Table

Automotive

Garden Irrigation System

Baths & whirlpools

3 • Stepping Motor OA application Confidential Proprietary

What are Common Challenges?

Heat

Noise

Size

Durability

Speed Control

EfficiencyCost

Driving Method

4 • Stepping Motor OA application Confidential Proprietary

Stepping Motor

Permanent Magnet (rotor)

DC

vo

ltag

e

Motor Driver

OUT1OUT2 OUT3OUT4

N

S

S

N

N

SS

S

N

N

N

S

S

N

N

S

N

S

N

N

S

S

N

S

5 • Stepping Motor OA application Confidential Proprietary

Stepping Motor for Printer Application

Paper feed:

A

B

Scanner: Micro-step drive

Reading part

Ink Ribbon compression: Print Head

Feedmotor

Ink ribbon

Paper

6 • Stepping Motor OA application Confidential Proprietary

LV8702V Stepping Motor Driver

• High Efficiency• Low Power Consumption• Low Heat Generation • Low Vibration & Noise

7 • Stepping Motor OA application Confidential Proprietary

LV8702V Stepping Motor Driver

Motor Switch

High Efficiency Switch

8 • Stepping Motor OA application Confidential Proprietary

LV8702V Stepping Motor Driver Test

High Efficiency Switch - OFF High Efficiency Switch - ON

Driving voltage: 24V, Current setting: Iout=1A, Excitation mode: Half step, Speed: 1500pps, Motor: HB motor bipolar type, Load: no-load 

9 • Stepping Motor OA application Confidential Proprietary

High Efficiency Stepping Motor

• Reduce motor noise, vibration and heat generation no-load power consumption savings of up to 80 %, a reduction in peak motor current of approximately 77 %

• Application office automation equipment applications such as copiers, scanners and multi-function printers

LV8702V Feature Significantly improved efficiency versus existing products on the market

High Efficiency ON/ OFF Function Motor Driver Power Consumption

High Efficiency Function ON / OFF Thermograph

Motor surface temperature ： 33.1℃、 IC 31.5℃）

LV8702V Stepping Motor Driver Test

High Efficiency Switch - OFF High Efficiency Switch - ON

Driving voltage: 24V, Current setting: Iout=2A, Excitation mode: Half step, Speed: 2000pps, Motor: HB motor bipolar type, Load: no-load, Power on time: 20 min

10 • Stepping Motor OA application Confidential Proprietary

LV8702 Stepping Motor Driver Test

0 2000 4000 6000 8000 10000 120000

50

100

150

200

250

300

0

10

20

30

40

50

60

70

80

90

100

Rotation – VM current

Rotation (pps ）

VM

Cu

rre

nt

(mA

）

Co

mp

ari

so

n （

％）

11 • Stepping Motor OA application Confidential Proprietary

MFP-Laser Beam Printer : Block Diagram

ASICMicro-controller

EEPROMLE24/25Series

Flash ROMLE25FWSeries

MainSystem

Lording/Discharge

PaperMotor

Motor Driver<HIC>

STK672Series<DMOS ・ BIP>LV87xxSeries

LB Series

US

B

CCD

Motor DriverHIC

STK672SriesDMOS

LV87xx Series

ScannerDriveMotor

Scanner

Print blockPower System (AC DC24V, 5V DC3.3V, etc.)⇒ ⇒SW-Regulator / LDO

I/OExpander

Micro-controller

Heat FixationMotor

Lording/DischargePaper Motor

ADF

LCD

LCDController

Motor Driver<HIC>

STK672Sereis<DMOS ・ BIP>LV87xxSeries

LB Series

DrumMotor

MotorDriver

LightMicro-

controller

ADC

EEPROMLE24/25Series

EEPROMLE24/25Series

Polygonmotor

MotorDriver

Motor Driver<HIC>

STK672Series<DMOS>

LV87xxSeries

USB clampNoise device

12 • Stepping Motor OA application Confidential Proprietary

Motor Driver Products STP: Stepping motor BLDC: Brushless DC motor,Brush: Bidirectional DC motor with brush

Applications Motor Usage Recommended Products Motor Type

MFP-Copier Paper feed LV873x series, LV8771VH, STK series 24V STP / BLDC

MFP-LBP Cassette Tray LV873x, LV876x series 24V STP / Brush

  Scanner LV873x series 24V STP (Micro-step)

  Staple / Punch LV873x, LV876x series 24V Brush

  Drum LB11923V, LV8104V 24V 3ph-BLDC

  Polygon LB11876, LV8112V 24V 3ph-BLDC

POS/Barcode Paper feed LV871x, LV873x, LV854x series, STK series 5-24V STP

Auto cutter LV8548MC, LV876x, 5-24V brush

MFP-IJP Paper feed LV873x series, LV8771VH, STK series 24V STP / BLDC

Carriage drive LV873x series, LV8771VH 24V STP / Brush

Scanner LV873x series 24V STP (Micro-step)

Cassette Tray LV873x series, LV8771VH 24V STP / Brush

DPP / Thermal Paper feed Dual STP IC: LV8747TA 24V STP

Ribbon crimp Single STP IC: LV873x series, STK series 24V STP / Brush

13 • Stepping Motor OA application Confidential Proprietary

For more information about Motor Drivers complete portfolio visit us on the web at

www.onsemi.com