AN8261 Panasonic, AN8261 Datasheet
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Manufacturer Part Number
AN8261
Description
Brushless Motor Driver
Available stocks
AN8261
Brushless Motor Driver
and optimum for driving the air conditioner fan motors, etc.
motors, etc.
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The AN8261 is a 3-phase full-wave brushless motor drive IC
Operating supply voltage range : V
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
Driving the brushless motors such as air conditioner fan
Overview
Features
Applications
Block Diagram
GND
18
17
16
15
14
13
4
Hysteresis Amp.A
Hysteresis Amp.B
Hysteresis Amp.C
V
1
CC
V
REF
CC
6
= 4.5 to 7V
Signal Processing
2
TSD Hysteresis Control
5
3
V
CC
3 ~15˚
Monitor
Protector
18-pin DIL Plastic Package (DIP018-P-0300D)
1
2
3
4
5
6
7
8
9
7.62 0.25
6.3 0.25
18
17
16
15
14
13
12
11
10
12
11
10
7
8
9
3.8 0.25 (3.45)
0.51min.
Unit : mm
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AN8261 Summary of contents
... AN8261 Brushless Motor Driver Overview The AN8261 is a 3-phase full-wave brushless motor drive IC and optimum for driving the air conditioner fan motors, etc. Features • Operating supply voltage range : • 3-phase full-wave drive, external power transistor • Built-in low-voltage protective circuit • ...
Absolute Maximum Ratings (Ta=25˚C) Parameter Symbol Supply voltage V CC Supply current Output drive current Power dissipation P D Operating ambient temperature T opr Storage temperature ...
... Application Circuit VM 30V – – 50V + + AN8261 – – FG1 3 FG2 6 V TSD GND ref GND Pin Descriptions Pin No. Pin name Description 1 V Supply voltage input pin CC 2 FG1 FG signal output pin 3 FG2 FG signal output pin 4 GND GND pin Temperature protect ...
Pin Descriptions (cont.) Pin No. Pin name Description Power driver output pin – – Hall element input pin ...
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