AN8480NSB Просмотр технического описания (PDF) - Panasonic Corporation
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AN8480NSB Datasheet PDF : 8 Pages
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ICs for Compact Disc/CD-ROM Player
AN8480NSB
3-phase full-wave motor driver IC
I Overview
The AN8480NSB is a 3-phase full-wave motor
driver IC with a reverse rotation brake/short brake
changeover function, incorporating a thermal pro-
tection circuit with its protection monitor pin.
18.40±0.20
(5.15)
(4.80)
28
22
21
15
Unit: mm
(1.315)
I Features
• 3-phase full-wave and snubberless
• FG output
• Current limit
• Reverse rotation prevention
• Thermal protection circuit built-in (with thermal
protection monitor pin)
I Applications
• Various types of optical disk drive
I Block Diagram
1
7
8
14
0° to 10°
0.65±0.20
(1.20)
(6.40)
0.80
0.35
+0.10
–0.05
Seating plane
HSOP042-P-0400
Note) The package of this product will be changed to lead-free type
(HSOP042-P-0400D). See the new package dimensions section
later of this datasheet.
2
H1+
3
H1−
5
H2+
H2− 6
H3+ 8
H3− 9
7
VH
Hall
amp.
matrix
Direction
changeover
Detection
Hall
bias
Direction
detection
ER
Logic
EP = ER × ΕΑ
Upper side
distribution Amp.
Lower side Amp.
distribution
18
EC
17
ECR
EA
Absolute
value
Start/stop
VTL
Thermal
protection
circuit
Brake
circuit
21
VM
22
CS1
28
A1
27
A2
26
A3
1
PG
FG
comparator
12
FG
Publication date: November 2001
SDD00006BEB
1
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