SEAWARD SE6651

Motor Control Circuit
(Preliminary)
Description
Feature
The SE6651 is an IC designed for the rotating
¾
speed control of a compact DC motor, which is used
for tape recorder, record player, etc.
Pin Configuration
SE6651
Small four-lead plastic package for compact
motor.
¾
Fewer external parts.
¾
Stable low reference voltage (1.0V typical),
wide motor speed setting.
¾
TOP-VIEW
Highly stable operation over a wide range of
supply voltage and torque supply voltage,
VCC = 3.5V – 14.4V.
¾
Built-in reverse voltage protection.
Typical Application
TO-126B
VCC
22uH
Pin Description
EA
Micro
Motor
RT = 180 Ohm
M
10uF
RA
Pin No.
Pin Name
1
VCC
2
Control Pin
3
GND
4
Motor Pin
RS
2
1
4
SE6651
3
Motor Constant
KA: Electromotive force constant = 1.1 mV/rpm
RA: Internal Resistor = 5 Ohm
KT: Torque constant = 100 g-cm/A
Block Diagram
2
VREF
Vcc 1
40
COM
3
4
GND
Revision 12/4/2008
All contents are subject to change without prior notice.
© Seaward Electronics, Inc., 2006. • www.seawardinc.com.cn • Page 1
Motor Control Circuit
(Preliminary)
SE6651
Absolute Maximum Rating
Parameter
Symbol
Maximum
Unit
Supply Voltage
VCC
14.4
V
Supply Current
ICC
2
2000
mA
Power Dissipation
PD1
1300
mW
Operating Ambient Temperature
TA
-20 ~ +75
°C
Storage Temperature
TSTG
-40 ~ +150
°C
Electrical Characteristics
Parameter
Symbol
Condition
Min
Typ.
Max
Unit
Reference Voltage
VREF
VCC = 6V, RA = 1KΩ
1
1.02
1.04
V
Bias Current
IBIAS
VCC = 6V
0.425
0.484
0.543
mA
40.96
41.53
42.09
0.1
0.13
0.16
%/V
I4 = 50mA ~ 200mA
0.038
0.04
0.043
%/mA
VCC = 4.2V, RA = 5.0
1.46
1.54
1.63
V
0.61
0.68
0.75
%/V
-0.0046
-0.008
-0.0123
%/mA
Current Proportional
Constance
Line Regulation
Load Regulation
Saturation Voltage
Voltage Characteristics
Current Characteristics
VCC = 6V,
K
DI4 = 40mA
ΔVREF
/ VCC
VREF
ΔVREF
/ I4
VREF
VSAT
ΔK
K
/ VCC
ΔK
/ I4
K
Temperature
ΔVREF
Characteristics
VREF
Temperature
ΔK
Characteristics
K
/ TA
/ TA
VCC = 3.5V ~ 14V,
RA = 1KΩ
VCC = 3.5V ~ 14V,
DI4 = 40mA
I4 = 50mA ~ 200mA
TA = -20°C ~ 75°C,
VCC = 6V, RA = 1KΩ
TA = -20°C ~ 75°C,
DI4 = 40mA
0.05
%/°C
0.001
%/°C
Revision 12/4/2008
All contents are subject to change without prior notice.
© Seaward Electronics, Inc., 2006. • www.seawardinc.com.cn • Page 2
Motor Control Circuit
(Preliminary)
SE6651
Outline Drawing for TO-126B
N
DIM
Q1
Q2
A
P3
L
B
E
C
P1
P2
D
F
G
N2
N1
N1 N2
H
I
I
I
I
J
M
J
K
J
TO-126B
DIMENSIONS
INCHES
MM
MIN
MAX
MIN
MAX
A
B
C
D
E
F
G
H
I
J
K
L
M
N1
N2
0.312
0.328
7.800
8.200
0.196
0.204
4.900
5.100
0.156
0.164
3.900
4.100
0.432
0.448
10.800
11.200
0.076
0.084
1.900
2.100
0.116
0.124
2.900
3.100
0.046
0.054
1.155
1.355
0.560
0.640
14.000
16.000
0.024
0.024
0.600
0.600
0.071
0.071
1.778
1.778
0.066
0.070
1.650
1.750
0.124
0.132
3.100
3.300
0.019
0.021
0.485
0.515
0.028
0.028
0.700
0.700
0.024
0.024
0.600
0.600
P1
0.128
0.128
3.200
3.200
P2
0.122
0.122
3.050
3.050
Q1
3°
3°
Q2
4°
4°
Revision 12/4/2008
All contents are subject to change without prior notice.
© Seaward Electronics, Inc., 2006. • www.seawardinc.com.cn • Page 3
Motor Control Circuit
(Preliminary)
Customer Support
Seaward Electronics Incorporated – China
Section B, 2nd Floor, ShangDi Scientific Office Complex, #22 XinXi Road
Haidian District, Beijing 100085, China
Tel: 86-10-8289-5700/01/05
Fax: 86-10-8289-5706
Seaward Electronics Corporation – Taiwan
2F, #181, Sec. 3, Minquan East Rd,
Taipei, Taiwan R.O.C
Tel: 886-2-2712-0307
Fax: 886-2-2712-0191
Seaward Electronics Incorporated – North America
1512 Centre Pointe Dr.
Milpitas, CA95035, USA
Tel: 1-408-821-6600
Last Updated - 12/4/2008
Revision 12/4/2008
All contents are subject to change without prior notice.
© Seaward Electronics, Inc., 2006. • www.seawardinc.com.cn • Page 4
SE6651