AN8261
Brushless Motor Driver
s
Overview
The AN8261 is a 3-phase full-wave brushless motor drive IC
and optimum for driving the air conditioner fan motors, etc.
1
2
3
21.7±0.3
4
5
6
7
8
9
6.3±0.25
3.8±0.25 (3.45)
18
17
15
14
13
12
11
10
0.51min.
2.54
0.3
+ 0.1
5
– 0.2
Unit : mm
0.5±0.1
1.2±0.25
s
Features
•
Operating supply voltage range : V
CC
= 4.5 to 7V
•
3-phase full-wave drive, external power transistor
•
Built-in low-voltage protective circuit
•
Built-in thermal protective comparator circuit
•
Built-in Hall amplifiers with hysteresis
16
s
Applications
Driving the brushless motors such as air conditioner fan
motors, etc.
3 ~15˚
7.62±0.25
18-pin DIL Plastic Package (DIP018-P-0300D)
s
Block Diagram
V
CC
1
2
3
18
17
Hysteresis Amp.A
16
Signal Processing
15
Hysteresis Amp.B
14
13
Hysteresis Amp.C
V
REF
GND 4
TSD Hysteresis Control
V
CC
Monitor
Protector
7
12
8
11
9
10
6
5
PANASONIC [ PANASONIC SEMICONDUCTOR ]
