MC3479FN

更新时间： 2024-09-19 12:36:35

品牌	Logo	应用领域
安森美 - ONSEMI		驱动器电动机控制电机
页数	文件大小	规格书
10页	100K
描述
Stepper Motor Driver

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中文翻译

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数据手册

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MC3479FN 数据手册

MC3479

Stepper Motor Driver

The MC3479 is designed to drive a two−phase stepper motor in the

bipolar mode. The circuit consists of four input sections, a logic

decoding/sequencing section, two driver−stages for the motor coils,

and an output to indicate the Phase A drive state.

http://onsemi.com

Features

• Single Supply Operation: 7.2 to 16.5 V

• 350 mA/Coil Drive Capability

• Clamp Diodes Provided for Back−EMF Suppression

• Selectable CW/CCW and Full/Half Step Operation

• Selectable High/Low Output Impedance (Half Step Mode)

• TTL/CMOS Compatible Inputs

PDIP−16

P SUFFIX

CASE 648C

• Input Hysteresis: 400 mV Minimum

• Phase Logic Can Be Initialized to Phase A

• Phase A Output Drive State Indication (Open−Collector)

• Pb−Free Package is Available*

MARKING DIAGRAM

MC3479P

AWLYYWWG

Clock

Clk

Driver

= Assembly Location

WL = Wafer Lot

YY = Year

WW = Work Week

= Pb−Free Package

CW/CCW

F/H Step

CW/CCW

Logic

Full/Half

Step

Driver

PIN CONNECTIONS

OIC

Phase A

Bias/Set

GND

Figure 1. Representative Block Diagram

Bias/Set

Clk

Phase A

CW/CCW

Full/Half

Step

OIC

(Top View)

ORDERING INFORMATION

Operating

Temperature Range

INPUT TRUTH TABLE

Device

Package

Shipping

Input Low

Input High

MC3479P

MC3479PG

PDIP−16

CW/CCW

Full/Half Step

OIC

CCW

Half Step

Low Z

T = 0° to +70°C

25 Units / Rail

PDIP−16

(Pb−Free)

Full Step

Hi Z

Clk

Positive Edge Triggered

*For additional information on our Pb−Free strategy and soldering details, please

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

Semiconductor Components Industries, LLC, 2006

Publication Order Number:

June, 2006 − Rev. 7

MC3479/D

12 3 4 5 6 7...10

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