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SE6651

Description
motor control circuit
File Size111KB,4 Pages
ManufacturerSeaward Electronics Inc.
Websitehttp://www.seawardinc.com
Download Datasheet View All

SE6651 Overview

motor control circuit

Motor Control Circuit
(Preliminary)
Description
The SE6651 is an IC designed for the rotating
speed control of a compact DC motor, which is used
for tape recorder, record player, etc.
SE6651
Feature
Small four-lead plastic package for compact
motor.
Fewer external parts.
Stable low reference voltage (1.0V typical),
wide motor speed setting.
Highly stable operation over a wide range of
Pin Configuration
TOP-VIEW
supply voltage and torque supply voltage,
VCC = 3.5V – 14.4V.
Built-in reverse voltage protection.
TO-126B
Typical Application
VCC
22uH
Pin Description
R
T
= 180 Ohm
Micro
Motor
R
S
E
A
M
R
A
10uF
Pin No.
1
2
3
4
Pin Name
VCC
2
Control Pin
GND
Motor Pin
1
SE6651
4
Motor Constant
K
A
: Electromotive force constant = 1.1 mV/rpm
R
A
: Internal Resistor = 5 Ohm
K
T
: Torque constant = 100 g-cm/A
3
Block Diagram
2
V
REF
Vcc
1
COM
40
4
3
GND
Revision 12/4/2008
All contents are subject to change without prior notice.
© Seaward Electronics, Inc., 2006. • www.seawardinc.com.cn • Page 1
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