ICs for Motor
AN6612, AN6612S
Motor Control Circuits
s
Overview
The AN6612 and the AN6612S are the electronic gov-
ernor circuits suitable for the rotating speed control of a
low voltage and compact DC motor which is used for a
small tape recorder, etc.
AN6612
Unit : mm
1
9.4±0.3
2
3
4
6.3±0.3
8
7
s
Features
•
Wide range of operating voltage : V
CC (opr)
=1.8V ~ 8V
•
2 package types
•
Fewer external parts
•
Speed control in steps with linear fine control
•
Output current limiting circuit is built-in
5
0.51min.
3.8±0.25
(3.45)
3 ~ 15˚
7.62±0.25
0
0.15
–
+ 0.1
.05
8-Lead DIP Package (DIP008-P-0300B)
AN6612S
0.4±0.25
Unit : mm
0.6±0.3
1
2
3
4
8
7
6
5
5.0±0.3
0.15
0.65
1.5±0.2
0.1±0.1
1.27
0.3
4.2±0.3
6.5±0.3
8-Lead SOP Package (SOP008-P-0225A)
s
Block Diagram
V
M
8
10kΩ
R
9
1kΩ
R
10
V
O
7
V
B
6
GND
5
+
Comparator
–
Start
Circuit
Ref.Voltage
1
V
RM
2
V
RP
3
V
I
4
V
CC
2.54
6
0.5±0.1
1.2±0.25
PANASONIC [ PANASONIC SEMICONDUCTOR ]
