AN8261 Datasheet, PDF (1/4 Pages) Panasonic Semiconductor – Brushless Motor Driver

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.
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
s Applications
Driving the brushless motors such as air conditioner fan
motors, etc.
Unit : mm
1
18
2
17
3
16
4
15
5
14
6
13
7
12
8
11
9
10
6.3±0.25
0.51min.
3.8±0.25 (3.45)
0.3 ^{+–00.1.25}
3 ~15˚ _7.62±0.25
18-pin DIL Plastic Package (DIP018-P-0300D)
s Block Diagram
VCC
1
2
3
18
7
17
12
Hysteresis Amp.A
8
16
Signal Processing
11
15
Hysteresis Amp.B
9
14
10
13
Hysteresis Amp.C
GND 4
VREF
TSD Hysteresis Control
VCC Monitor
Protector
6
5