ICs for Motor
s
Overview
The AN6651 is an IC designed for the rotating speed
control of a compact DC motor which is used for a tape
recorder, record player, etc.
s
Features
Small four-lead plastic package for compact motor.
Fewer external parts
Stable low reference voltage (1.0V typ.), wide motor
speed setting
Highly stable operation over a wide range of supply
voltage and torque supply voltage, V
CC
= 3.5V ~ 14.4V
Reverse voltage protection circuit is built-in
AN6651
Motor Control Circuit
Unit : mm
11.5max.
15.0min.
8.0
+ 0.5
0.1
3.05
3.8
1.94
1 2 3 4
0.5
0.2
4-Lead SIP Package (SSIP004-P-0000)
1.778
1.778
5.334
1 2 3 4
3.5max.
0.5
0.1
1.44 1.76
1.778
2
1
3
4
GND
COM
V
REF
V
CC
40
s
Block Diagram
s
Pin Descriptions
Pin No.
Pin Name
1
2
3
4
V
CC
Control Pin
GND
Motor Pin
ICs for Motor
AN6651
V
CC
I
CC
*
2
P
D
*
1
T
opr
T
stg
Supply Voltage
Supply Current
Power Dissipation
Operating Ambient Temperature
Storage Temperature
V
mA
mW
C
C
Parameter
Symbol
Rating
Unit
14.4
2000
1300
20 ~ + 75
40 ~ +150
s
Absolute Maximum Ratings
(Ta= 25C)
*
1
Ta = 25C, With a 10
10mm bakelite printed circuit board (35
m Cu leaf)
*
2
t
5s
s
Electrical Characteristics
(Ta = 25C)
V
CC
= 6V, Ra
= 1k
V
CC
= 6V
V
CC
= 6V, DI
4
= 40mA
V
CC
= 4.2V, Ra
= 5.0
V
CC
= 3.5V ~ 14V , Ra
= 1k
V
CC
= 3.5V ~ 14V , DI
4
= 40mA
I
4
= 50mA ~ 200mA
I
4
= 50mA ~ 200mA
Ta
= 20C ~ 75C,
V
CC
= 6V , Ra
= 1k
Ta
= 20C ~ 75C,
DI
4
= 40mA
Parameter
Symbol
Condition
min.
typ.
max.
Unit
1.0
0.8
40
1.15
0.1
0.2
0.02
0.01
0.01
0.01
Reference Voltage
Bias Current
Current Proportional Constant
Saturation Voltage
Voltage Characteristics (1)
Voltage Characteristics (2)
Current Characteristics (1)
Current Characteristics (2)
Temperature Characteristics (1)
Temperature Characteristics (2)
V
REF
I
Bias
K
V
sat
V
mA
V
%/V
%/V
%/mA
%/mA
%/C
%/C
0.85
35
1.15
1.8
45
2
K
K
/V
CC
K
K
/I
4
K
K
/Ta
V
REF
V
REF
/V
CC
V
REF
V
REF
/I
4
V
REF
V
REF
/Ta
P
D
Ta
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
Ambient Temperature Ta (C)
P
o
w
e
r
D
i
s
s
i
p
a
t
i
o
r
P
D
(
W
)
40
0
20
100
60
s
Characteristics Curve
120
160
20
80
140
180
(1) With a 10
10mm
bakelite printed
circuit board
(35
m Cu leaf)
(2) Without heat sink
(1)
(2)
4
1
2
3
AN6651
Micro
Motor
M
180
R
T
R
S
22
H
10
F
Ea
Ra
V
CC
s
Application Circuit
Ka : Electromotive force constant = 1.1mV/rpm
Ra : Internal resistor = 5
K
T
: Torque constant = 100g cm/A
Motor Constants
PDF 
ZIP